WO2010068006A2 - Ensemble empilement de batteries - Google Patents

Ensemble empilement de batteries Download PDF

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Publication number
WO2010068006A2
WO2010068006A2 PCT/KR2009/007292 KR2009007292W WO2010068006A2 WO 2010068006 A2 WO2010068006 A2 WO 2010068006A2 KR 2009007292 W KR2009007292 W KR 2009007292W WO 2010068006 A2 WO2010068006 A2 WO 2010068006A2
Authority
WO
WIPO (PCT)
Prior art keywords
case
air
battery
battery cell
hole
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/KR2009/007292
Other languages
English (en)
Korean (ko)
Other versions
WO2010068006A3 (fr
Inventor
이정용
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.)
Leo Motors Inc
Original Assignee
Leo Motors Inc
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
Priority claimed from KR1020080124285A external-priority patent/KR101015138B1/ko
Priority claimed from KR1020090027688A external-priority patent/KR100985521B1/ko
Application filed by Leo Motors Inc filed Critical Leo Motors Inc
Publication of WO2010068006A2 publication Critical patent/WO2010068006A2/fr
Publication of WO2010068006A3 publication Critical patent/WO2010068006A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6562—Gases with free flow by convection only
    • 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
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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 invention relates to a battery stack assembly employed in an automobile, and more particularly, it is possible to prevent water from approaching the battery cell, to suppress the contact of foreign matter to the battery cell, and to enhance the durability to prevent explosion accidents.
  • the present invention relates to a battery stack assembly whose structure has been improved to provide a safety device that can minimize and further prevent explosion accidents.
  • FIG. 1 is a perspective view of a battery stack assembly according to the prior art
  • FIG. 2 is a II-II cross-sectional view of FIG. 1.
  • the battery stack assembly has a cylindrical case 101 and a casing 101 in which the stacked battery cells 103 are disposed therein and through holes 101a are formed. It is provided with a plurality of air inlet ribs 102 provided on the outer surface of the air inlet (102a) in communication with the through hole (101a).
  • Air introduced into the case 101 through the air inlet 102a of the air inlet rib 102 serves to cool the heat generated from the battery cell 103.
  • the battery stack assembly according to the related art having the configuration as described above has the following problems.
  • the electric vehicle since the electric vehicle has an essential relationship with electricity, it should be designed to avoid contact with water as much as possible due to discharge or the like. In particular, in the case of frequent flooding, water may come into contact with the battery cell 103, causing problems such as the inability to use the electric vehicle.
  • the prior art is accompanied with the above problem, because the water is a structure that can easily contact the battery cell 103 through a plurality of air inlet ribs (102).
  • the plurality of battery cells 103 has a positive electrode and a negative electrode, respectively, and are individually coupled to match the polarity of the laminated frame (F) disposed inside the case 101. According to such a lamination structure, the time required for the lamination is unnecessarily increased, thereby degrading the efficiency of lamination work.
  • the pressure inside the case 101 is increased by the heat generated from the battery cell 103.
  • the present invention has been made to solve the above problems, it is an object of the present invention to provide a battery stack assembly that can prevent the contact between water and the battery cell and suppress the inflow of foreign matter contained in the air.
  • Another object of the present invention is to provide a battery stack assembly capable of easily stacking battery cells.
  • Still another object of the present invention is to provide a battery stack assembly capable of minimizing damage caused by explosion of a battery cell due to an increase in pressure caused by heat generated from the battery cell.
  • the present invention for achieving the above object is a laminated frame in which a plurality of battery cells are stacked; A cylindrical case surrounding the laminated frame and having a through hole through which air can be introduced; And an upper end connected to an outer side of the case, and a portion between the upper end and the lower end is spaced apart from the outer side of the case to form a communication space communicating with the through hole, and the lower end is located below the through hole together with the case. And an air inlet block for forming an air inlet opening to the communication space.
  • Each of the battery cells may include: a positive electrode portion protruding from a positive electrode terminal; A negative electrode portion protruding a negative electrode terminal; And an insulating portion formed between the positive electrode portion and the negative electrode portion and insulated from the positive electrode portion and the negative electrode portion, the battery cells positioned at the lower side of the battery cell positioned at the upper side from the upper side to the lower side.
  • the battery cells are configured to be stacked.
  • the present invention for achieving the above object is a laminated frame in which a plurality of battery cells are stacked; A case surrounding the laminated frame such that the battery cells are disposed therein, and an air circulation through-hole configured to enable air circulation between the inside and the outside; And carbon nanotubes coated on the case to reinforce the strength of the case.
  • the carbon nanotubes are preferably coated on the inner surface of the case and the outer surface of the case, respectively.
  • the case has a pressure adjusting hole penetrating the inner surface and the outer surface of the case so as to prevent the explosion of the battery cell due to the pressure rise inside the case, the pressure in accordance with the pressure change inside the case It is preferable to have a pressure adjusting stopper coupled to the case so as to close and open the adjusting hole.
  • the present invention includes a case in which the battery cell is disposed inside and an air inflow block for relatively increasing air pressure in the case, thereby preventing water from approaching the battery cell. .
  • an embodiment of the present invention is remarkably inconvenient to frequently clean the battery cell directly by contacting the battery cell in the air removal filter is detachably installed in the air inlet block to contact the battery cell with the foreign matter removed. It can be removed.
  • an embodiment of the present invention is formed by the insulating portion is insulated stepped to insulate the positive electrode portion and the negative electrode portion, the positive electrode terminal is protruded on the positive electrode portion and the negative electrode terminal is formed to protrude, thereby increasing the efficiency of the stacking operation of the battery cell There is also an effect.
  • FIG. 1 is a perspective view of a battery stack assembly according to the prior art.
  • FIG. 2 is a II-II cross-sectional view of FIG. 1.
  • FIG 3 is a perspective view of a battery stack assembly according to an embodiment of the present invention.
  • FIG. 4 is a sectional view taken along the line III-III of FIG. 3;
  • Air inflow block 21 Communication space
  • battery cell 31 positive electrode
  • FIG. 3 is a perspective view of a battery stack assembly according to an exemplary embodiment of the present invention
  • FIG. 4 is a cross-sectional view taken along line III-III of FIG. 3.
  • the battery stack assembly comprises a laminated frame (F), a case (1) and an air inlet block (2).
  • each of the battery cells 3 includes a positive electrode part 31, a negative electrode part 32, and an insulating part 33.
  • a positive electrode terminal 311 protrudes from the positive electrode portion 31, a negative electrode terminal 321 protrudes from the negative electrode portion 32, and the insulating portion 33 includes the positive electrode portion 31 and the negative electrode portion 32.
  • the insulation part 33 is formed to be stepped, and due to the protrusion of the positive electrode terminal 311 and the negative electrode terminal 321, the stacking of each battery cell 3 can be easily performed. That is, the positive electrode terminal of the battery cell 3 located on the lower side may be provided by simply seating the adjacent battery cell 3 to be positioned on the lower side in the direction from the upper side to the lower side.
  • the positive electrode 31 of the battery cell 3 positioned on the upper side of the battery cell 3 is electrically connected to the 311 and similarly connected to the negative terminal 321 of the battery cell 3 positioned on the lower side and the battery cell 3 positioned on the upper side thereof. Since the negative electrode part 32 is electrically connected, there is no need to additionally perform the polarity connection of each battery cell 3.
  • the case 1 is disposed in a form surrounding the laminated frame F and has a cylindrical shape.
  • the through hole 11 is formed in the case 1.
  • the through hole 11 allows air introduced through the air inlet 22 to be described below to be introduced into the case 1.
  • the air inflow block (2) is provided as one unit on each side of the outer surface of the case 1, the upper end is connected to each outer surface of the case (1) and the lower end of the case (1)
  • An air inlet 22 is formed to be spaced apart from each outer surface to allow air from the outside to flow therein.
  • a portion between the upper end and the lower end of the air inlet block 2 is spaced apart from the outer surface of the case 1 to form a communication space 21 for communicating the air inlet 22 and the through hole 11.
  • the battery stack assembly having such a structure has relatively high pressure by allowing air introduced into the communication space 21 through the air inlet 22 to be introduced into the case 1 through the through hole 11. Air stays inside the case (1). Therefore, even when water is introduced into the air inlet 22 during flooding, the water is introduced into the case 1 through the through hole 11 by the air pressure inside the case 1. It can be prevented.
  • the air purification filter is provided.
  • the air purification filter is detachably coupled to the air inflow block (2). That is, the air inlet block 2 is provided with a pair of insertion ribs 23 and 24 in which the insertion ribs 23 and 24 are spaced up and down.
  • the air purifying filter is slid from the outside to be seated on the insertion ribs 23 and 24 so as to be coupled to the air inflow block 2 and easily separated from the air inflow block 2 through the reverse operation. Will be.
  • the air purification filter is disposed on the air flow path in the communication space 21 to serve to introduce the air in which the foreign matter is removed into the case (1).
  • the air purifying filter since only the air purifying filter can be replaced and managed periodically, it is possible to replace the management including the cleaning of the battery cell 3 and the like. It is possible to increase the efficiency of after-care of 3).
  • FIG. 5 is a perspective view of a battery stack assembly according to an exemplary embodiment of the present invention
  • FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 5.
  • the battery stack assembly comprises a laminated frame (F), a case (1) and carbon nanotubes (N).
  • the carbon nanotubes (N) are coated on the case 1 to reinforce the strength of the case 1.
  • the carbon nanotube (N) is a tubular material in which hexagons made of carbon 6 are connected to each other, and may be coated only on any one of an inner surface of the case 1 and an outer surface of the case 1. However, in order to increase the effect of strength reinforcement, it is preferable that the inner surface of the case 1 and the outer surface of the case 1 are respectively coated.
  • the case 1 is formed with a plurality of pressure adjusting holes 12.
  • Each of the pressure adjusting holes 12 prevents the explosion of the battery cell due to the pressure increase inside the case 1 even when the air circulation through the air circulation through-hole 11 is not smoothly performed. To this end, it serves to allow the air inside the case 1 to be discharged to the outside.
  • the pressure adjusting hole 12 is selectively closed or opened by the pressure adjusting plug 5. That is, the pressure adjusting plug 5 closes the pressure adjusting hole 12 when the internal pressure of the case 1 is normally maintained, and the internal pressure of the case 1 is abnormally increased. In this case, the pressure is moved in the direction of opening the pressure adjusting hole 12 by the internal pressure.
  • the pressure control hole 12 and the pressure regulating plug 5 prevent the inadvertent side of the battery cell 3. There is an advantage to prevent explosion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Hybrid Cells (AREA)

Abstract

La présente invention concerne un ensemble empilement de batteries. Cet ensemble comprend: un cadre d'empilement dans lequel sont empilées plusieurs éléments de batterie; un boîtier en forme de boîte qui entoure le cadre d'empilement et qui est pourvu d'orifices perméables à l'air; et un bloc d'amenée d'air. L'extrémité supérieure du bloc d'amenée d'air est reliée au côté latéral extérieur du boîtier. Une portion entre les extrémités supérieures et inférieures du bloc d'amenée d'air est éloignée du côté latéral extérieur du boîtier et forme un espace de communication qui communique avec l'orifice. L'extrémité inférieure et le boîtier sont situés sous le trou traversant. Un orifice d'amenée d'air communiquant avec l'espace de communication est ménagé sur le bloc d'amenée d'air.
PCT/KR2009/007292 2008-12-08 2009-12-08 Ensemble empilement de batteries Ceased WO2010068006A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020080124285A KR101015138B1 (ko) 2008-12-08 2008-12-08 배터리 스택 어셈블리
KR10-2008-0124285 2008-12-08
KR1020090027688A KR100985521B1 (ko) 2009-03-31 2009-03-31 배터리 스택 어셈블리
KR10-2009-0027688 2009-03-31

Publications (2)

Publication Number Publication Date
WO2010068006A2 true WO2010068006A2 (fr) 2010-06-17
WO2010068006A3 WO2010068006A3 (fr) 2010-08-19

Family

ID=42243193

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/007292 Ceased WO2010068006A2 (fr) 2008-12-08 2009-12-08 Ensemble empilement de batteries

Country Status (1)

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WO (1) WO2010068006A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477011A (zh) * 2014-11-27 2015-04-01 印凯 二次污染去除系统
CN108461680A (zh) * 2018-03-26 2018-08-28 沈阳航天新光集团有限公司 一种大型模块化海水电池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7291422B2 (en) * 2003-10-10 2007-11-06 Nissan Motor Co., Ltd. Battery and related method
KR100876458B1 (ko) * 2004-12-24 2008-12-29 주식회사 엘지화학 신규한 구조의 전지 카트리지와 그것을 포함하고 있는개방형 전지 모듈
US7879507B2 (en) * 2006-04-10 2011-02-01 Protonex Technology Corporation Insert-molded, externally manifolded, one-shot sealed membrane based electrochemical cell stacks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477011A (zh) * 2014-11-27 2015-04-01 印凯 二次污染去除系统
CN108461680A (zh) * 2018-03-26 2018-08-28 沈阳航天新光集团有限公司 一种大型模块化海水电池

Also Published As

Publication number Publication date
WO2010068006A3 (fr) 2010-08-19

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