WO2022011705A1 - 电芯模组及电池组 - Google Patents

电芯模组及电池组 Download PDF

Info

Publication number
WO2022011705A1
WO2022011705A1 PCT/CN2020/102790 CN2020102790W WO2022011705A1 WO 2022011705 A1 WO2022011705 A1 WO 2022011705A1 CN 2020102790 W CN2020102790 W CN 2020102790W WO 2022011705 A1 WO2022011705 A1 WO 2022011705A1
Authority
WO
WIPO (PCT)
Prior art keywords
tab
cell
spacer
battery
fixing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/102790
Other languages
English (en)
French (fr)
Inventor
袁宏伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Poweramp Technology Ltd
Original Assignee
Dongguan Poweramp Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Poweramp Technology Ltd filed Critical Dongguan Poweramp Technology Ltd
Priority to PCT/CN2020/102790 priority Critical patent/WO2022011705A1/zh
Priority to EP20866917.6A priority patent/EP3965223A1/en
Priority to CN202080096213.2A priority patent/CN115088130B/zh
Priority to US17/219,832 priority patent/US12021270B2/en
Publication of WO2022011705A1 publication Critical patent/WO2022011705A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of electrochemical devices, and in particular, to cell modules and battery packs.
  • the application provides a cell module, which includes a plurality of stacked cells, a collection part and a bracket, the cell includes a tab and a cell body; the collection part is connected to the tab; two adjacent cells
  • the first battery core includes a first electrode lug and a second electrode lug
  • the second battery core includes a third electrode lug and a fourth electrode lug
  • the first electrode lug is connected to the third electrode lug
  • the bracket includes a fixing plate and a first spacer arranged on the fixing plate, the collecting element is arranged between the fixing plate and the battery core body, and the first spacer is arranged on the first spacer. between the second tab of a cell and the fourth tab of the second cell.
  • the bracket further includes a second spacer provided on the fixing plate, and the fixing plate, the first spacer and the second spacer form a first receiving groove; the One side of the second cell is provided with a third cell, the third cell includes a fifth tab and a sixth tab, the fourth tab is connected to the sixth tab, and the fifth tab is connected to the sixth tab.
  • the lugs extend away from the third lug; the fourth lug and the sixth lug are accommodated in the first receiving groove, and the fourth lug and the sixth lug are The collection piece is connected.
  • a first insulating member is disposed between the fourth tab and the sixth tab.
  • the bracket further includes a third spacer provided on the fixing plate, the first spacer is located between the second spacer and the third spacer, the fixing The plate, the third spacer and the first spacer form a second receiving groove, and a second insulating member is arranged in the second receiving groove.
  • At least one of the first spacer, the second spacer, and the third spacer includes an insulating structure.
  • the cell module further includes a connecting piece, one end of the connecting piece is connected to the cell, and the other end of the connecting piece is away from the collecting piece along the fixing plate.
  • the surface extends, and the fixing plate is provided with a groove for accommodating the connecting piece.
  • the cell module further includes a baffle plate, an opening is provided on the baffle plate, and the other end of the connecting member extends from the opening.
  • a limiting portion is provided at the opening position, and the limiting portion is used to limit the connecting member.
  • the cell module further includes an adapter
  • the adapter includes a connection part and an adapter end, one end of the connection part is connected to the collection part, and the other end of the connection part
  • a through hole is further provided on the baffle for connecting the adapter end, and the adapter end extends from the through hole.
  • the cell module further includes a third insulating member, and the third insulating member is disposed between adjacent cells.
  • the first tab, the fourth tab and the fifth tab are positive tabs
  • the second tab, the third tab and the sixth tab are Negative ear, a plurality of the battery cells are connected in series.
  • a battery pack includes the cell module described in any one of the above and a casing, wherein the cell module is accommodated in the casing.
  • the battery cell module provided by the present application is provided with a bracket, and the bracket includes a first spacer, and the first spacer is arranged between the second tab and the fourth tab of the adjacent cell, so as to electrically The unconnected second tab and the fourth tab are isolated, so as to avoid short circuit caused by contact of the unconnected second tab and the fourth tab.
  • FIG. 1 is a three-dimensional schematic diagram of a cell module in an embodiment.
  • FIG. 2 is an exploded schematic view of the battery module shown in FIG. 1 .
  • FIG. 3 is an exploded schematic view of the battery module shown in FIG. 2 from another perspective.
  • FIG. 4 is a schematic structural diagram of two adjacent cells.
  • FIG. 5 is a lateral perspective view of the bracket, the flexible circuit board and the cell shown in FIG. 3 .
  • FIG. 6 is a schematic perspective view of the stent.
  • FIG. 7 is a schematic perspective view of the baffle.
  • the first cell A The first cell A
  • the third cell C is the third cell C
  • the first spacer 32 is the first spacer 32
  • the third spacer 35 is the third spacer 35
  • a component when a component is considered to be “connected” to another component, it can be directly connected to another component or there may be an intervening component at the same time. When a component is considered to be “set on” another component, it may be located directly on the other component or there may be a co-existence of an intervening component.
  • the terms “top,” “bottom,” “top,” “bottom,” “left,” “right,” “front,” “back,” and similar expressions are used herein for illustrative purposes only.
  • a cell module comprising a plurality of stacked cells, a collection piece and a bracket, the cell comprises a tab and a cell body; the collection piece is connected to the tab; two adjacent electric cells are provided.
  • the first electric core includes a first tab and a second tab
  • the second cell includes a third tab and a fourth tab
  • the first tab is connected to the third tab
  • the bracket It includes a fixing plate, and a first isolation piece arranged on the fixing plate, the collecting piece is arranged between the fixing plate and the battery core body, and the first insulation piece is arranged on the first electricity between the second tab of the core and the fourth tab of the second cell.
  • the cell module is provided with a bracket, and the bracket includes a first spacer, and the first spacer is arranged on the second tab adjacent to the cell that is not connected and the fourth tab, even if the cell module has high-intensity vibration, the first isolation member can prevent the unconnected tabs on the adjacent cells from contacting due to vibration or other conditions, causing damage to the battery. short circuit condition.
  • a cell module 1 includes a plurality of cells 10 , a collector 20 and a bracket 30 , a plurality of the cells 10 are stacked and arranged, and the cell 10 includes a cell body 11 and the tabs connected to the battery body 11 .
  • the collecting piece is connected with the tab.
  • the first battery core A includes a first electrode tab 12 and a second electrode lug 13
  • the second battery core B includes a third electrode lug 14 and a fourth electrode lug 15
  • the first electrode The tab 12 is connected to the third tab 14 .
  • the bracket 30 includes a fixing plate 31 and a first spacer 32 disposed on the fixing plate 31 , and the collecting member 20 is arranged between the fixing plate 31 and the cell body 11 .
  • the spacer 32 is disposed between the second tab 13 of the first cell A and the fourth tab 15 of the second cell B.
  • the collecting member 20 is a flexible circuit board. It can be understood that, in other embodiments, the collection member 20 can also be replaced with other structures with equivalent functions or functions, such as collection terminals.
  • a plurality of the battery cells 10 are stacked in a predetermined direction.
  • the battery cells 10 are arranged in a top-to-bottom direction.
  • the cell 10 includes the cell body 11 and the tabs.
  • two adjacent cells 10 will be described.
  • the two adjacent cells include a first cell A and a second cell B, the first cell A and the second cell B include the cell body 11, and the first cell A further includes a first tab 12 and a second tab 13 provided on the cell body 11 .
  • the second cell B further includes a third tab 14 and a fourth tab 15 disposed on the cell body 11 .
  • a third cell C is further provided on the side of the second cell B away from the first cell A, and the third cell C includes a cell body 11 and is provided on the cell body 11 The fifth pole lug 16 and the sixth pole lug 17.
  • the battery cell body 11 is formed by winding or stacking a separator between the two pole pieces. This technical content is relatively common in existing battery structures, and will not be repeated here.
  • the first tab 12 , the fourth tab 15 and the fifth tab 16 are positive tabs, the second tab 13 , the third tab 14 and the sixth tab
  • the tab 17 is a negative tab. It can be understood that, in other embodiments, the first tab 12 , the fourth tab 15 and the fifth tab 16 , the second tab 13 and the third tab 14 And the polarity of the sixth tab 17 can be replaced. Between the adjacent cells 10, the tabs on one of the cells 10 and the tabs on the other cell 10 are arranged on the same side of their respective cell bodies 11 to connect the tabs. in order to connect a plurality of the battery cells 10 .
  • first tab 12 of the first cell A is connected to the third tab 14 of the second cell B
  • fourth tab 15 of the second cell B is connected to the third tab 15 of the second cell B
  • the sixth tab 17 of the cell C is connected, and the fifth tab 16 extends away from the third tab 14 .
  • a plurality of the other cells 10 are connected in the same way, so as to realize the previous series connection of the plurality of cells 10 .
  • the first tab 12 and the third tab 14, the fourth tab 15 and the sixth tab 17 are connected by welding.
  • the collecting member 20 is arranged on the side of the battery cell 10 where the tabs are arranged.
  • the collecting member 20 includes a main body portion 21 and the collecting sheet 22 disposed on the main body portion 21.
  • the tabs on the adjacent battery cells 10 are stacked and connected to the collecting sheet 22 to collect voltage. In one embodiment, the tabs are welded on the collection sheet 22 .
  • the tabs can also be connected to the collection sheet 22 in other ways.
  • the tabs are locked on the collection piece 22 by means of screws.
  • the main body portion 21 is provided with a plurality of the collection sheets 22 , and two adjacent collection sheets 22 extend perpendicular to the main body portion 21 and in opposite directions, so that the collection sheets 22 can be connected to different cells.
  • the first tab 12 , the second tab 13 , the third tab 14 , the fourth tab 15 , the fifth tab 16 and the sixth tab 17 on 10 connect.
  • the cell module 1 further includes an adapter 25 .
  • the adapter 25 includes a connection part 251 and an adapter end 252 , one end of the connection part 251 is connected to the main body 21 of the collecting element 20 , and the other end of the connection part 251 is connected to the adapter end part 252 is connected.
  • the connecting portion 251 is arranged substantially perpendicular to the main body portion 21 , and the connecting portion 251 is arranged along the surface of the cell body 11 to reduce the overall volume of the cell module 1 .
  • An electrical connector 253 is also provided on the transfer end portion 252 , so that the collecting member 20 can be connected to an external electrical connection member, such as an external circuit board 2 .
  • the adapter 25 and the collection member 20 may be integrally formed.
  • the acquisition element 20 can be connected to an external electrical connection element.
  • the bracket 30 and the collecting member 20 are arranged on the same side of the battery cell 10 , and the bracket 30 is arranged on the side of the collecting member 20 away from the battery cell 10 . side.
  • the bracket 30 includes the fixing plate 31 and the first spacer 32 disposed on the fixing plate 31 , and the first spacer 32 extends toward the cell 10 . Further, the first spacer 32 is a stopper.
  • the fixing plate 31 is provided with a groove 311 on a surface facing away from the first spacer 32 , and the groove 311 is used for accommodating other structures.
  • the first spacer 32 is disposed between the second tabs 13 and the fourth tabs 15 of the adjacent first cell A and the second cell B, and is electrically The contact between the unconnected second tab 13 and the fourth tab 15 is isolated to avoid short circuit.
  • the bracket 30 further includes a second spacer 33 , and the second spacer 33 is disposed on the fixing plate 31 .
  • the fixing plate 31 , the first spacer 32 and the second spacer 33 form a first receiving groove 34 .
  • the fourth tab 15 and the sixth tab 17 are received in the first receiving groove 34 .
  • the bracket 30 further includes a third spacer 35 , the third spacer 35 is also disposed on the fixing plate 31 , and the first spacer 32 is located on the third spacer 35 and the second spacer 33 .
  • the fixing plate 31 , the third spacer 35 and the first spacer 32 form the second receiving groove 36 , and the third spacer 35 and the first spacer 32 can jointly
  • the unconnected second tab 13 and the fourth tab 15 adjacent to the first cell A and the second cell B are spaced apart, so as to more effectively avoid the unconnected second tab 13
  • the pole tab 13 and the fourth pole tab 15 are in contact.
  • At least one of the first spacer 32 , the second spacer 33 and the third spacer 35 includes an insulating structure (not shown).
  • the fixing plate 31 , the The first spacer 32 , the second spacer 33 and the third spacer 35 are integrally formed of plastic.
  • the first spacer 32 may be made of a non-insulating material, and in order to electrically isolate the unconnected tabs and avoid short circuits, the first spacer 32 may be coated with an insulating material.
  • an insulating member may be provided on the spacer.
  • the second spacer 33 and the third spacer 35 can also be arranged in this way.
  • electrical isolation of an insulating member may also be added between the tab and the first isolation member 32 .
  • first spacers 32 and the second spacers 33 may be provided on the bracket 30 to accommodate the connecting ground tabs and the collection sheet 22 .
  • a plurality of the third spacers 35 can also be arranged on the bracket 30 to cooperate with the first spacers 32 to jointly separate the unconnected second tabs 13 and the fourth electrodes on the adjacent cells 10 .
  • the ears 15 are spaced apart.
  • only the first spacer 32 can be provided to connect the second tab 13 on the first cell A with the fourth tab on the adjacent second cell B 15 spaced apart. Such arrangement can make the bracket 30 simpler and the overall structure lighter.
  • the cell module 1 further includes a connector 40 , and the connector 40 is connected to the tabs on the cell 10 .
  • the connecting piece 40 includes a first connecting piece 41 and a second connecting piece 42. One end of the first connecting piece 41 is connected to the tabs and the collecting sheet 22 on the lowermost battery cell 10, and the other end faces toward the upper end.
  • the battery core 10 is extended, and the first connecting member 41 is accommodated in the groove 311 of the bracket 30 to prevent the first connecting member 41 from shaking during high-intensity vibration.
  • the bracket 30 also plays a role of supporting the first connecting member 41 .
  • One end of the second connecting member 42 is connected to the tab on the upper end of the battery cell 10 and the collecting sheet 22 , and the other end extends away from the upper end of the battery core 10 .
  • the first connector 41 is connected to the positive tab on the battery cell 10
  • the second connector 42 is connected to the negative tab on the battery cell 10 . It can be understood that, in other embodiments, the polarities of the tabs to which the first connecting member 41 and the second connecting member 42 are connected can be replaced.
  • a safety zone 411 is provided on the first connector 41 .
  • the first connector 41 When the current exceeds a preset current, the first connector 41 will be disconnected at the position of the safety zone 411 , thereby blocking the current. Avoid dangerous situations.
  • the first connecting piece 41 at the position of the safety zone 411 is equivalent to a fuse, so as to improve the safety of the soft-packed cell 10 module.
  • a spacer 50 is provided at the position of the safety zone 411 . Further, two isolation sheets 50 are arranged at the position of the safety zone 411 , and the two isolation sheets 50 are attached to two opposite surfaces of the first connecting member 41 , so as to prevent the spacers at the position of the safety zone 411 .
  • the first connector 41 is thermally insulated.
  • the other end of the second connecting member 42 is located on the same side of the battery cell 10 , which can reduce the amount of damage caused by the battery.
  • the cell module 1 further includes a baffle 60 , and the baffle 60 is disposed on the outer surface of the cell 10 to protect the cell 10 .
  • the baffle 60 includes a plate body 61, and the shape of the plate body 61 is substantially the same as that of the cell body 11.
  • the plate body 61 is provided with an opening 62 near the end of the tab, and the end of the connecting member 40 can extend from the opening 62 .
  • the plate body 61 is provided with two openings 62 , the end of the first connecting piece 41 extends from one of the openings 62 , and the end of the second connecting piece 42 extends from the other opening 62 .
  • the opening 62 extends out.
  • the baffle 60 further includes a limiting portion 63 , and the limiting portion 63 is provided at the position of the opening 62 for limiting the first connecting member 41 and the second connecting member 42.
  • the limiting portion 63 is a limiting column.
  • the limiting portion 63 can also be a limiting boss, and replacing the limiting column with a limiting boss can also serve as a limiter for the first connecting member 41 and the The second connecting piece 42 has the function of limiting the position.
  • the plate body 61 is also provided with a through hole 64. After the connecting portion 251 of the adapter 25 extends along the surface of the battery cell 10 close to the baffle 60, the adapter end 252 can extend from the The through hole 64 extends out.
  • the first connecting piece 41 , the second connecting piece 42 extending from the position of the opening 62 and the transfer end 252 extending from the position of the through hole 64 are connected to the The circuit board 2 on the surface of the board 60 is connected.
  • a first insulating member 70 is disposed in the first receiving groove 34 , and the first insulating member 70 is located at the fourth tab 15 and the sixth tab 17 between. That is, the first insulating member 70 may be disposed between the connected tabs on the adjacent battery cells 10 .
  • a second insulating member 71 is provided in the second receiving groove 36 , and the second insulating member 71 connects the second tabs 13 adjacent to the first cell A and the second cell B that are not connected to each other.
  • the fourth tabs 15 are spaced apart and can cooperate with the first spacer 32 so that the unconnected second tabs 13 and the fourth tabs 15 cannot contact.
  • a third insulating member 72 is disposed between the adjacent battery cells 10 .
  • the third insulating member 72 can be deformed after being squeezed when the battery core 10 expands, so as to prevent the battery core 10 from being squeezed. Press the housing.
  • the third insulating member 72 is disposed between two adjacent cell bodies 11 .
  • insulating parts (not marked in the figure) are provided on the surrounding sides of the stacked battery cores 10. In the event of a collision, the insulating parts can protect the battery cores. 10 acts as a buffer.
  • an insulating sheet 80 is provided on the third insulating member 72 between the baffle 60 and the cell 10 , and the insulating sheet 80 is located between the baffle 60 and the third insulating member 72 .
  • the adapter end portion 252 is fixed on the insulating sheet 80 by means of bonding, so that the end portion of the adapter member 25 is fixed to avoid shaking.
  • the first insulating member 70 , the second insulating member 71 , the third insulating member 72 , and the insulating member disposed on the peripheral side of the laminated cell 10 are foam. It can be understood that, in other embodiments, other structures with equivalent functions or functions can also be replaced.
  • the cell module 1 further includes a gel 90 , and the gel 90 is disposed on the peripheral side of the stacked cells 10 to protect the cells 10 .
  • the stacked battery cells 10 can be placed in a device, and the flowing colloid 90 can be filled from the position of the opening 62 of the baffle 60 . After the colloid 90 is formed and fixed, , take out the battery cell 10 .
  • the first insulating member 70 and the second insulating member 71 are respectively arranged in the first accommodating groove 34 and the second accommodating groove 36 , which can fill the position where the colloid 90 needs to be filled, thereby reducing the problem of the The overall weight of the cell module 1.
  • the battery pack in another embodiment, it also relates to a battery pack (not shown in the figure), the battery pack includes a casing (not shown in the figure) and the battery cell module 1 in the above embodiment.
  • the battery core module 1 is accommodated in the casing, and the colloid 90 is located between the battery core 10 and the casing.
  • the battery adopts the above-mentioned battery cell module 1, and thus has corresponding beneficial effects, which will not be repeated here.
  • the battery module 1 provided in the embodiment of the present application can replace the adapter plate in the original module by using the collecting member 20 and the bracket 30 .
  • the collecting member 20 is connected to the tab, which can effectively reduce the pulling force on the tab.
  • the bracket 30 includes a first isolation member 32 , which can electrically isolate the unconnected second tab 13 and the fourth tab 15 to avoid short circuit caused by contact between the two.
  • the unconnected second tab 13 and the fourth The tabs 15 also do not come into contact with each other.
  • the bracket 30 is light in weight and low in cost, so that the weight of the battery module 1 is reduced, and the cost required in the assembly process is reduced.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请提供一种电芯模组，包括多个堆叠的电芯、采集件和支架，所述电芯包括极耳和电芯本体；采集件与极耳连接；相邻两所述电芯中，第一电芯包括第一极耳和第二极耳，第二电芯包括第三极耳和第四极耳，所述第一极耳连接所述第三极耳；支架包括固定板，和设于固定板上的第一隔离件，采集件设于固定板和电芯本体之间，第一隔离件设于所述第一电芯的第二极耳和所述第二电芯的第四极耳之间。还涉及一种电池组，通过采用上述的电芯模组能够有效的避免相邻电芯上未连接的极耳相接触，从而造成短路的情况。

Description

电芯模组及电池组 技术领域
本申请涉及电化学装置技术领域，尤其涉及电芯模组及电池组。
背景技术
电动工具如扫地机器人、圆锯切割机等越来越受到大众的青睐，现有的电池包中，通常是由转接板与电芯上的极耳连接，转接板采集电压。但是转接板占电池的空间较大，为减小电池的整体体积，一般会将转接板替换为柔性电路板以解决空间利用率的问题，但扫地机器人或圆锯切割机高强度地振动或其他情况可能会导致未连接的极耳相接触，从而出现短路的情况。
发明内容
有鉴于此，有必要提供一种电芯模组及电池组，旨在能够避免相邻电芯上未连接的极耳相接触的情况。
本申请提供一种电芯模组，包括多个堆叠的电芯、采集件和支架，所述电芯包括极耳和电芯本体；所述采集件与所述极耳连接；相邻两所述电芯中，第一电芯包括第一极耳和第二极耳，第二电芯包括第三极耳和第四极耳，所述第一极耳连接所述第三极耳；所述支架包括固定板，和设于所述固定板上的第一隔离件，所述采集件设于所述固定板和所述电芯本体之间，所述第一隔离件设于所述第一电芯的第二极耳和所述第二电芯的第四极耳之间。
在至少一个实施方式中，所述支架还包括设于所述固定板的第 二隔离件，所述固定板、所述第一隔离件和所述第二隔离件形成第一收容槽；所述第二电芯的一侧设置有第三电芯，所述第三电芯包括第五极耳和第六极耳，所述第四极耳连接所述第六极耳，所述第五极耳朝远离所述第三极耳的方向延伸；所述第四极耳和所述第六极耳收容于所述第一收容槽，且所述第四极耳和所述第六极耳与所述采集件连接。
在至少一个实施方式中，所述第四极耳和所述第六极耳之间设置有第一绝缘件。
在至少一个实施方式中，所述支架还包括设于所述固定板的第三隔离件，所述第一隔离件位于所述第二隔离件和所述第三隔离件之间，所述固定板、所述第三隔离件和所述第一隔离件形成第二收容槽，所述第二收容槽内设有第二绝缘件。
在至少一个实施方式中，所述第一隔离件、所述第二隔离件和所述第三隔离件中至少一个包括绝缘结构。
在至少一个实施方式中，所述电芯模组还包括连接件，所述连接件的一端连接于所述电芯上，所述连接件的另一端沿所述固定板背离所述采集件的表面延伸，所述固定板设有收容所述连接件的凹槽。
在至少一个实施方式中，所述电芯模组还包括挡板，所述挡板上设置有开口，所述连接件的另一端从所述开口延伸出。
在至少一个实施方式中，所述开口位置处设有限位部，所述限位部用于限制所述连接件。
在至少一个实施方式中，所述电芯模组还包括转接件，所述转接件包括连接部和转接端部，所述连接部一端连接所述采集件，所述连接部另一端连接转接端部，所述挡板上还设置有通孔，所述转 接端部从所述通孔处延伸出。
在至少一个实施方式中，所述电芯模组还包括第三绝缘件，所述第三绝缘件设于相邻所述电芯之间。
在至少一个实施方式中，所述第一极耳、所述第四极耳和所述第五极耳为正极耳，所述第二极耳、第三极耳和所述第六极耳为负极耳，多个所述电芯串联连接。
一种电池组，包括上述中任一项所述电芯模组和外壳，所述电芯模组收容于所述外壳内。
本申请的提供的电芯模组通过设置支架，所述支架包括第一隔离件，所述第一隔离件设于相邻所述电芯第二极耳和第四极耳之间，以电性隔离未连接的所述第二极耳和第四极耳，避免未连接的第二极耳和第四极耳接触造成短路。
附图说明
图1为一实施方式中电芯模组的立体示意图。
图2为图1所示的电芯模组的分解示意图。
图3为图2所示的电芯模组另一视角的分解示意图。
图4为相邻两电芯的结构示意图。
图5为图3中所示的支架、柔性电路板和电芯侧向的立体示意图。
图6为支架的立体示意图。
图7为挡板的立体示意图。
主要元件符号说明
电芯模组                     1
电芯                         10
第一电芯                     A
第二电芯                     B
第三电芯                     C
电芯本体                     11
第一极耳                     12
第二极耳                     13
第三极耳                     14
第四极耳                     15
第五极耳                     16
第六极耳                     17
采集件                       20
主体部                       21
采集片                       22
转接件                       25
连接部                       251
转接端部                     252
电连接器                     253
支架                         30
固定板                       31
凹槽                         311
第一隔离件                   32
第二隔离件                   33
第一收容槽                   34
第三隔离件                   35
第二收容槽                   36
连接件                       40
第一连接件                   41
安全区                       411
第二连接件                   42
隔离片                       50
挡板                         60
板体                         61
开口                         62
限位部                       63
通孔                         64
第一绝缘件                   70
第二绝缘件                   71
第三绝缘件                   72
绝缘片                       80
胶体                         90
电路板                       2
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。
需要说明的是，当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。当一个组件被认为是“设于”另一个组件，它可以是直接设置在另一个组件上 或者可能同时存在居中组件。本文所使用的术语“顶”、“底”、“上”、“下”、“左”、“右”、“前”、“后”、以及类似的表述只是为了说明的目的。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。
提供一种电芯模组，包括多个堆叠的电芯、采集件和支架，所述电芯包括极耳和电芯本体；所述采集件与所述极耳连接；相邻两所述电芯中，第一电芯包括第一极耳和第二极耳，第二电芯包括第三极耳和第四极耳，所述第一极耳连接所述第三极耳；所述支架包括固定板，和设置于所述固定板上的第一隔离件，所述采集件设于所述固定板和所述电芯本体之间，所述第一隔离件设于所述第一电芯的第二极耳和所述第二电芯的第四极耳之间。
采用上述的电芯模组，所述电芯模组中设有支架，所述支架包括第一隔离件，将所述第一隔离件设于相邻所述电芯未连接的第二极耳和第四极耳之间，即使该电芯模组出现了高强度振动，通过所述第一隔离件，可避免相邻电芯上未连接的极耳因振动或其他情况相接触，而造成短路的情况。
请参阅图1和图2，一种电芯模组1，包括多个电芯10、采集件20和支架30，多个所述电芯10堆叠设置，所述电芯10包括电芯本体11和与所述电芯本体11连接的极耳。所述采集件与所述极耳连接。相邻两所述电芯10中，第一电芯A包括第一极耳12和第二极耳13，第二电芯B包括第三极耳14和第四极耳15，所述第一极耳12连接所述第三极耳14。所述支架30包括固定板31和设置于所 述固定板31上的第一隔离件32，所述采集件20设于所述固定板31和所述电芯本体11之间，所述第一隔离件32设于所述第一电芯A的第二极耳13和所述第二电芯B的第四极耳15之间。
在本实施方式中，所述采集件20为柔性电路板。可以理解的是，在其他实施方式中，所述采集件20也可替换为其他具有等同功效或作用的结构，如采集端子。
请参阅图2、图3和图4，多个所述电芯10沿预设方向堆叠设置，在一实施方式中，所述电芯10沿从上到下的方向设置。所述电芯10包括所述电芯本体11和极耳，在该实施方式中，将相邻两所述电芯10进行叙述。两相邻所述电芯中包括第一电芯A和第二电芯B，所述第一电芯A和所述第二电芯B包括所述电芯本体11，所述第一电芯A还包括设于所述电芯本体11上的第一极耳12和第二极耳13。所述第二电芯B还包括设于所述电芯本体11上的第三极耳14和第四极耳15。在所述第二电芯B背离所述第一电芯A的一侧还设有第三电芯C，所述第三电芯C包括电芯本体11和设于所述电芯本体11上的第五极耳16和第六极耳17。所述电芯本体11是通过两极片之间设置隔膜后通过卷绕或层叠的方式形成，该技术内容在现有的电池结构中较为常见，在此，不再对其进行赘述。
在一实施方式中，所述第一极耳12、第四极耳15和所述第五极耳16为正极极耳，所述第二极耳13、第三极耳14和所述第六极耳17为负极极耳。可以理解的是，在其他实施方式中，所述第一极耳12、所述第四极耳15和所述第五极耳16，所述第二极耳13、所述第三极耳14和所述第六极耳17的极性可以替换。相邻所述电芯10之间，其中一所述电芯10上的极耳与另一所述电芯10上的极耳设在其各自电芯本体11的同一侧，将极耳连接，以连接多个所述电芯 10。具体的，所述第一电芯A的第一极耳12与所述第二电芯B的第三极耳14连接，所述第二电芯B的第四极耳15与所述第三电芯C的第六极耳17连接，所述第五极耳16朝远离所述第三极耳14的方向延伸。多个其他的所述电芯10采用相同的方式连接，以实现多个所述电芯10之前的串联连接。在本实施方式中，所述第一极耳12和所述第三极耳14，所述第四极耳15和所述第六极耳17通过焊接连接。
请参阅图2和图3，所述采集件20设于所述电芯10设有极耳的一侧。所述采集件20包括主体部21和设于所述主体部21上的所述采集片22，相邻所述电芯10上的极耳与所述采集片22层叠后连接，以采集电压。在一实施方式中，所述极耳焊接于所述采集片22上。
可以理解的是，在其他实施方式中，所述极耳还可通过其他方式连接于所述采集片22上。如通过螺丝将所述极耳锁固于所述采集片22上。
所述主体部21上设有复数个所述采集片22，相邻两所述采集片22沿垂直于所述主体部21且向相反的方向延伸，以便于所述采集片22与不同电芯10上的所述第一极耳12、所述第二极耳13、所述第三极耳14、所述第四极耳15、所述第五极耳16和所述第六极耳17连接。
请参阅图2和图3，在一实施方式中，所述电芯模组1还包括转接件25。所述转接件25包括连接部251和转接端部252，所述连接部251的一端与所述采集件20的主体部21连接，所述连接部251的另一端与所述转接端部252连接。
所述连接部251与所述主体部21大致垂直设置，且所述连接部 251沿所述电芯本体11表面设置，以减小所述电芯模组1的整体体积。
所述转接端部252上还设有电连接器253，以使得所述采集件20可与外部电连接件进行连接，如与外部的电路板2进行电连接。
可以理解的是，在其他实施方式中，所述转接件25与所述采集件20可为一体成型结构。同样可使所述采集件20与外部电连接件进行连接。
请参阅图3、图5和图6，所述支架30与所述采集件20设于所述电芯10的同一侧，所述支架30设于所述采集件20背离所述电芯10的一侧。所述支架30包括所述固定板31和设置于所述固定板31的所述第一隔离件32，所述第一隔离件32朝向所述电芯10延伸。进一步的，所述第一隔离件32为止挡片。
所述固定板31在背离所述第一隔离件32的表面上设有凹槽311，所述凹槽311用于收容其他结构。
在一实施方式中，所述第一隔离件32设于相邻的所述第一电芯A和所述第二电芯B的第二极耳13和第四极耳15之间，电性隔离未连接的所述第二极耳13和所述第四极耳15之间接触，以免造成短路的情况。
在一实施方式中，所述支架30还包括第二隔离件33，所述第二隔离件33设于所述固定板31上。所述固定板31、所述第一隔离件32和所述第二隔离件33形成第一收容槽34。所述第四极耳15和所述第六极耳17收容于所述第一收容槽34。
在一实施方式中，所述支架30还包括第三隔离件35，所述第三隔离件35也设于所述固定板31上，所述第一隔离件32位于所述第三隔离件35和所述第二隔离件33之间。所述固定板31、所述第 三隔离件35和所述第一隔离件32形成所述第二收容槽36，且所述第三隔离件35和所述第一隔离件32能够共同将相邻所述第一电芯A和所述第二电芯B上未连接的所述第二极耳13和所述第四极耳15间隔开，从而更加有效的避免未连接的所述第二极耳13和所述第四极耳15出现接触的情况。
所述第一隔离件32、所述第二隔离件33和所述第三隔离件35中的至少一个包括绝缘结构(图未示)，在本实施例中，所述固定板31、所述第一隔离件32、所述第二隔离件33和所述第三隔离件35为塑胶一体成型。其他实施例中，所述第一隔离件32可采用非绝缘材料制成，而为了能够将未连接的极耳间电性隔离，避免短路，所述第一隔离件32上可涂覆绝缘材料或者在隔离件上设置绝缘件。同样的，所述第二隔离件33和所述第三隔离件35也可如此设置。另外，也可以在极耳和所述第一隔离件32之间增加绝缘件电性隔离。
可以理解的是，在其他实施方式中，所述支架30上可设置多个所述第一隔离件32、所述第二隔离件33，以将连接地极耳和所述采集片22进行收容。所述支架30上也可设置多个所述第三隔离件35，以与所述第一隔离件32相配合，共同将相邻电芯10上未连接的第二极耳13和第四极耳15间隔开。
在另一实施方式中，可仅设置第一隔离件32便可达到将一所述第一电芯A上的第二极耳13与其相邻所述第二电芯B上的第四极耳15隔开。如此设置，可使得所述支架30更简单，整体结构更轻。
请参阅图2和图3，所述电芯模组1还包括连接件40，所述连接件40连接所述电芯10上的极耳。所述连接件40包括第一连接件41和第二连接件42，所述第一连接件41的一端连接最下端所述 电芯10上的极耳和采集片22，另一端朝靠近上端所述电芯10延伸，且所述第一连接件41收容于所述支架30的凹槽311内，以避免在高强度的振动过程中，所述第一连接件41出现晃动的情况。另外，所述支架30也起到对所述第一连接件41进行支撑的作用。所述第二连接件42的一端连接上端所述电芯10上的极耳和所述采集片22，另一端朝远离上端所述电芯10延伸。所述第一连接件41连接所述电芯10上的正极耳，所述第二连接件42连接所述电芯10上的负极耳。可以理解的是，在其他实施方式中，所述第一连接件41和所述第二连接件42所连接极耳的极性可替换。
所述第一连接件41上设有安全区411，当所述电流较大超过预设电流时，在所述安全区411位置处，所述第一连接件41会断开，从而阻断电流避免发生危险的情况。此时，在所述安全区411位置处的第一连接件41相当于保险丝，以提升所述软包电芯10模块的安全性。
而为了能够避免若所述安全区411位置处的第一连接件41断开后，高温会对所述支架30产生影响，在所述安全区411位置处设有隔离片50。进一步的，在所述安全区411位置处设置两所述隔离片50，两所述隔离片50贴合于所述第一连接件41的相对两表面，以对所述安全区411位置处的第一连接件41进行隔热。
在一实施方式中，所述第一连接件41朝靠近最右侧的电芯10延伸后，与所述第二连接件42的另一端位于所述电芯10的同一侧，可减小所述第一连接件41和所述第二连接件42延伸出时需要占用的体积，从而减小所述电芯模组1的整体体积。
请参阅图7，所述电芯模组1还包括挡板60，所述挡板60设于所述电芯10的外表面，以保护所述电芯10。所述挡板60包括板体 61，所述板体61的形状与所述电芯本体11大致相同。所述板体61在靠近所述极耳的端部位置处设置有开口62，所述连接件40的端部可从所述开口62处延伸出。进一步的，所述板体61上设置有两所述开口62，所述第一连接件41的端部从其中一所述开口62延伸出，所述第二连接件42的端部从另一所述开口62处延伸出。
在一实施方式中，所述挡板60还包括限位部63，所述限位部63设于所述开口62位置处，用于限制所述第一连接件41和所述第二连接件42，避免所述电芯模组1在高强度的振动过程中，所述第一连接件41和所述第二连接件42的端部在所述开口62位置处晃动，从而影响与其他结构的连接。进一步的，所述限位部63为限位柱。
可以理解的是，在其他实施方式中，所述限位部63还可为限位凸台，将所述限位柱替换为限位凸台也可起到对所述第一连接件41和所述第二连接件42限位的作用。
所述板体61上还开设有通孔64，所述转接件25的连接部251沿靠近所述挡板60的电芯10表面进行延伸后，所述转接端部252可从所述通孔64延伸出。从所述开口62位置处延伸出的所述第一连接件41、所述第二连接件42和从所述通孔64位置处延伸出的所述转接端部252与设于所述挡板60表面的电路板2连接。
请参阅图2、图3和图5，所述第一收容槽34内设置有第一绝缘件70，所述第一绝缘件70位于所述第四极耳15和所述第六极耳17之间。即相邻所述电芯10上已连接的极耳之间可设置所述第一绝缘件70。
所述第二收容槽36内设置有第二绝缘件71，所述第二绝缘件71将相邻所述第一电芯A和所述第二电芯B未连接的第二极耳13和第四极耳15间隔开，可与所述第一隔离件32相配合，使得未连 接的所述第二极耳13和所述第四极耳15无法接触。
相邻所述电芯10之间设置有第三绝缘件72，所述第三绝缘件72可在所述电芯10发生膨胀时，受到挤压后发生变形，可避免所述电芯10挤压壳体。具体的，所述第三绝缘件72设于相邻两所述电芯本体11之间。进一步的，为了更好的保护所述电芯模组1，层叠后的所述电芯10周侧均设置有绝缘件(图未标示)，若出现碰撞时，绝缘件可对所述电芯10起到缓冲的作用。
进一步的，所述挡板60和所述电芯10之间的第三绝缘件72上设置有绝缘片80，所述绝缘片80位于所述挡板60和所述第三绝缘件72之间。所述转接端部252通过粘接的方式固定于所述绝缘片80上，以使得所述转接件25的端部固定，避免其出现晃动的情况。
在一实施方式中，所述第一绝缘件70、所述第二绝缘件71、所述第三绝缘件72及设于层叠电芯10周侧的绝缘件为泡棉。可以理解的是，在其他实施方式中，还可替换为其他具有等同功效或作用的结构。
请再参阅图2和图3，所述电芯模组1还包括胶体90，所述胶体90设于所述层叠后的所述电芯10的周侧，以保护所述电芯10。在一实施方式中，可将层叠好的所述电芯10放置于一装置中，可从所述挡板60的开口62位置处填充流动的所述胶体90，待所述胶体90成型固定后，将所述电芯10取出。
在所述第一收容槽34和所述第二收容槽36内分别设置所述第一绝缘件70和所述第二绝缘件71，可填充原本胶体90需要填充的位置，从而减轻了所述电芯模组1的整体重量。
在另一实施方式中，还涉及一种电池组(图未示)，所述电池组包括外壳(图未示)和上述实施方式中的电芯模组1。所述电芯模 组1收容于所述外壳内，所述胶体90位于所述电芯10和所述外壳之间。所述电池采用上述的电芯模组1，因而具有相应的有益效果，在此不再进行赘述。
综上所述，本申请实施方式中提供的电芯模组1，通过采用所述采集件20和所述支架30能够替代原有模组中的转接板。所述采集件20与所述极耳连接，能够有效减小所述极耳受到的拉扯力。所述支架30包括第一隔离件32，能够电性隔离未连接的所述第二极耳13和所述第四极耳15，避免二者接触而造成短路。在一些智能家居，如扫地机器人、吸尘、圆锯切割机器等装置中使用该电芯模组1，即使在高强度的震动下，未连接的所述第二极耳13和所述第四极耳15也不会出现相接触的情况。同时，所述支架30的质量轻、成本低，使得所述电芯模组1的重量减小，且降低了组装过程中所需的成本。
另外，本技术领域的普通技术人员应当认识到，以上的实施方式仅是用来说明本申请，而并非用作为对本申请的限定，只要在本申请的实质精神范围之内，对以上实施例所作的适当改变和变化都落在本申请要求保护的范围之内。

Claims (12)

  1. 一种电芯模组，包括：
    多个堆叠的电芯，所述电芯包括极耳和电芯本体；
    采集件，与所述极耳连接；
    相邻两所述电芯中，第一电芯包括第一极耳和第二极耳，第二电芯包括第三极耳和第四极耳，所述第一极耳连接所述第三极耳；
    其特征在于，所述电芯模组还包括：
    支架，包括固定板，和设于所述固定板上的第一隔离件；
    所述采集件设于所述固定板和所述电芯本体之间；
    所述第一隔离件设于所述第一电芯的第二极耳和所述第二电芯的第四极耳之间。
  2. 如权利要求1所述的电芯模组，其特征在于，所述支架还包括设于所述固定板的第二隔离件，所述固定板、所述第一隔离件和所述第二隔离件形成第一收容槽；
    所述第二电芯的一侧设置有第三电芯，所述第三电芯包括第五极耳和第六极耳，所述第四极耳连接所述第六极耳，所述第五极耳朝远离所述第三极耳的方向延伸；
    所述第四极耳和所述第六极耳收容于所述第一收容槽，且所述第四极耳和所述第六极耳与所述采集件连接。
  3. 如权利要求2所述的电芯模组，其特征在于，所述第四极耳和所述第六极耳之间设置有第一绝缘件。
  4. 如权利要求2所述的电芯模组，其特征在于，所述支架还包括设于所述固定板的第三隔离件，所述第一隔离件位于所述第二隔离件和所述第三隔离件之间，所述固定板、所述第三隔离件和所述第一隔离件形成第二收容槽，所述第二收容槽内设有第二绝缘件。
  5. 如权利要求4所述的电芯模组，其特征在于，所述第一隔离件、所述第二隔离件和所述第三隔离件中至少一个包括绝缘结构。
  6. 如权利要求4所述的电芯模组，其特征在于，所述电芯模组还包括连接件，所述连接件的一端连接于所述电芯上，所述连接件的另一端沿所述固定板背离所述采集件的表面延伸，所述固定板设有收容所述连接件的凹槽。
  7. 如权利要求6所述的电芯模组，其特征在于，所述电芯模组还包括挡板，所述挡板上设置有开口，所述连接件的另一端从所述开口延伸出。
  8. 如权利要求7所述的电芯模组，其特征在于，所述开口位置处设有限位部，所述限位部用于限制所述连接件。
  9. 如权利要求7所述的电芯模组，其特征在于，所述电芯模组还包括转接件，所述转接件包括连接部和转接端部，所述连接部一端连接所述采集件，所述连接部另一端连接转接端部，所述挡板上还设置有通孔，所述转接端部从所述通孔处延伸出。
  10. 如权利要求1所述的电芯模组，其特征在于，所述电芯模组还包括第三绝缘件，所述第三绝缘件设于相邻所述电芯之间。
  11. 如权利要求2所述的电芯模组，其特征在于，所述第一极耳、所述第四极耳和所述第五极耳为正极耳，所述第二极耳、第三极耳和所述第六极耳为负极耳，多个所述电芯串联连接。
  12. 一种电池组，其特征在于，所述电池组包括如权利要求1至11中任一项所述电芯模组和外壳，所述电芯模组收容于所述外壳内。
PCT/CN2020/102790 2020-07-17 2020-07-17 电芯模组及电池组 Ceased WO2022011705A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/CN2020/102790 WO2022011705A1 (zh) 2020-07-17 2020-07-17 电芯模组及电池组
EP20866917.6A EP3965223A1 (en) 2020-07-17 2020-07-17 Cell module and battery pack
CN202080096213.2A CN115088130B (zh) 2020-07-17 2020-07-17 电芯模组及电池组
US17/219,832 US12021270B2 (en) 2020-07-17 2021-03-31 Battery cell module and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/102790 WO2022011705A1 (zh) 2020-07-17 2020-07-17 电芯模组及电池组

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/219,832 Continuation US12021270B2 (en) 2020-07-17 2021-03-31 Battery cell module and battery pack

Publications (1)

Publication Number Publication Date
WO2022011705A1 true WO2022011705A1 (zh) 2022-01-20

Family

ID=79292875

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/102790 Ceased WO2022011705A1 (zh) 2020-07-17 2020-07-17 电芯模组及电池组

Country Status (4)

Country Link
US (1) US12021270B2 (zh)
EP (1) EP3965223A1 (zh)
CN (1) CN115088130B (zh)
WO (1) WO2022011705A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240186640A1 (en) * 2022-12-06 2024-06-06 Milwaukee Electric Tool Corporation Battery pack
EP4687203A1 (en) * 2024-07-31 2026-02-04 Eve Energy Co., Ltd. Battery module and battery pack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205122683U (zh) * 2015-11-02 2016-03-30 青海时代新能源科技有限公司 电池组组装用防短路工装
CN205882078U (zh) * 2016-08-10 2017-01-11 中山市电赢科技有限公司 一种锂电池的组装结构
JP2019186037A (ja) * 2018-04-10 2019-10-24 カルソニックカンセイ株式会社 電池モジュール
CN210092187U (zh) * 2019-08-08 2020-02-18 东莞新能源科技有限公司 电池组
CN210129547U (zh) * 2019-06-17 2020-03-06 东莞新能源科技有限公司 电池组件及电化学装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5537111B2 (ja) * 2009-09-30 2014-07-02 株式会社東芝 二次電池装置
US9356278B2 (en) * 2011-03-31 2016-05-31 Nec Energy Devices, Ltd. Battery pack
JP2015187914A (ja) * 2012-08-09 2015-10-29 三洋電機株式会社 電源装置及びこれを備える電動車両並びに蓄電装置
KR101736377B1 (ko) * 2014-06-09 2017-05-16 주식회사 엘지화학 배터리 모듈 및 이를 포함하는 배터리 팩
CN204596909U (zh) 2015-03-25 2015-08-26 深圳金山电池有限公司 一种新型纽扣锂离子电池
JP6633643B2 (ja) * 2015-10-22 2020-01-22 株式会社エンビジョンＡｅｓｃジャパン 組電池および組電池の製造方法
EP3226342B1 (en) * 2016-04-01 2020-12-16 Samsung SDI Co., Ltd. Cell connection unit
CN106299166B (zh) * 2016-09-20 2020-02-11 宁德时代新能源科技股份有限公司 电池包
DE102017219316A1 (de) 2017-10-27 2019-05-02 Robert Bosch Gmbh Batteriezelle und Verfahren zum Herstellen einer solchen
CN207743308U (zh) * 2018-01-31 2018-08-17 宁德时代新能源科技股份有限公司 电池模组
WO2020037535A1 (zh) 2018-08-22 2020-02-27 珠海微矩实业有限公司 一种微型电池
CN110800129A (zh) * 2018-08-31 2020-02-14 深圳市大疆创新科技有限公司 电池和具有该电池的农业无人机
CN109888159A (zh) * 2019-02-28 2019-06-14 力神动力电池系统有限公司 一种动力电池软包模组
CN209860094U (zh) 2019-03-28 2019-12-27 武汉嘉晨汽车技术有限公司 一种含有fpc柔性板的电池包断路单元
EP3736873A1 (de) * 2019-05-10 2020-11-11 Andreas Stihl AG & Co. KG Akkupack, bearbeitungssystem und verfahren zur herstellung eines akkupacks
CN110993873B (zh) 2019-12-28 2023-10-03 广州宝狮新能源有限公司 软包电芯组装装置、软包电芯模组及组装软包电芯模组的方法
CN111009625A (zh) 2019-12-30 2020-04-14 广东微电新能源有限公司 储能装置
JP7330955B2 (ja) 2020-02-07 2023-08-22 寧徳新能源科技有限公司 バッテリー、及び前記バッテリーを有する電気機器
CN111403637A (zh) 2020-03-30 2020-07-10 珠海冠宇电池有限公司 一种壳体结构和电池
CN212366143U (zh) * 2020-07-17 2021-01-15 东莞新能安科技有限公司 电芯模组及电池组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205122683U (zh) * 2015-11-02 2016-03-30 青海时代新能源科技有限公司 电池组组装用防短路工装
CN205882078U (zh) * 2016-08-10 2017-01-11 中山市电赢科技有限公司 一种锂电池的组装结构
JP2019186037A (ja) * 2018-04-10 2019-10-24 カルソニックカンセイ株式会社 電池モジュール
CN210129547U (zh) * 2019-06-17 2020-03-06 东莞新能源科技有限公司 电池组件及电化学装置
CN210092187U (zh) * 2019-08-08 2020-02-18 东莞新能源科技有限公司 电池组

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3965223A4 *

Also Published As

Publication number Publication date
CN115088130A (zh) 2022-09-20
US12021270B2 (en) 2024-06-25
CN115088130B (zh) 2025-09-09
US20220021091A1 (en) 2022-01-20
EP3965223A4 (en) 2022-03-09
EP3965223A1 (en) 2022-03-09

Similar Documents

Publication Publication Date Title
JP7150901B2 (ja) 積層型電源キャビネット
CN212366143U (zh) 电芯模组及电池组
JP6112579B2 (ja) 非定型構造の電池セル及びそれを含む電池モジュール
JP4990422B1 (ja) 電池モジュール及び電池パック
CN103503199B (zh) 包括过电流防止装置的电池组
KR100863729B1 (ko) 전지모듈 인터페이스
CN110603662A (zh) 用于结合电极引线的汇流条组件和包括该汇流条组件的电池模块
JP6221778B2 (ja) 蓄電装置
KR20190106060A (ko) 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차
CN103875095A (zh) 二次电池组
CN109983598B (zh) 电池组
WO2022110189A1 (zh) 电池组、电池包和用电装置
CN114744340A (zh) 单体电池及电池包
KR20210011641A (ko) 배터리 모듈 및 이를 포함하는 배터리 팩
CN216850238U (zh) 电芯及电池模组
JP2022545245A (ja) 電池モジュール
WO2022011705A1 (zh) 电芯模组及电池组
CN216750213U (zh) 电池包单元、电池包及移动储能电源
CN115799594A (zh) 一种动力电池
KR20150111160A (ko) 절연성 접착제로 연결된 전지셀들을 포함하는 전지팩
JP2019212561A (ja) 蓄電装置及び組電池
CN115133232B (zh) 电芯及用电装置
CN214477778U (zh) 一种电池模组
CN221262544U (zh) 储能装置及用电设备
CN218242155U (zh) 隔圈组件、电池和车辆

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2020866917

Country of ref document: EP

Effective date: 20210329

NENP Non-entry into the national phase

Ref country code: DE

WWG Wipo information: grant in national office

Ref document number: 202080096213.2

Country of ref document: CN