WO2021057483A1 - 二次电池及含有该二次电池的电池模组、电池包、装置 - Google Patents
二次电池及含有该二次电池的电池模组、电池包、装置 Download PDFInfo
- Publication number
- WO2021057483A1 WO2021057483A1 PCT/CN2020/114266 CN2020114266W WO2021057483A1 WO 2021057483 A1 WO2021057483 A1 WO 2021057483A1 CN 2020114266 W CN2020114266 W CN 2020114266W WO 2021057483 A1 WO2021057483 A1 WO 2021057483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- secondary battery
- battery
- negative electrode
- silicon
- positive electrode
- 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
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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- 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
-
- 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
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape 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
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- silicon-based materials have once become a research hotspot because of their gram capacity more than ten times higher than that of graphite and lower lithium insertion potential.
- silicon material has a huge volume expansion (300%) during the process of lithium insertion. The huge volume effect causes pulverization and shedding during charging and discharging, leading to deterioration of its electrochemical performance, which hinders the commercial application of silicon-based anode materials.
- the first aspect of the present application provides a secondary battery, including a casing and a battery cell and an electrolyte contained in the casing.
- the battery cell includes a positive pole piece, a negative pole piece and a separator, and the positive pole piece includes a positive current collector and A positive electrode film provided on at least one surface of a positive electrode current collector and including a positive electrode active material, the negative electrode plate including a negative electrode current collector and a negative electrode film provided on at least one surface of the negative electrode current collector and including a negative electrode active material, the positive electrode active material includes One or more of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide.
- the negative electrode active material includes silicon-based materials and carbon materials;
- V0 represents the volume of the battery cell when the battery is at 0% SOC, in cm 3 ;
- Hb represents the thickness of the negative electrode membrane when the battery is at 100% SOC, in cm;
- CAP represents the rated capacity of the battery in Ah.
- the secondary battery satisfies 0.1 ⁇ Z ⁇ 0.5; alternatively, it satisfies: 0.15 ⁇ Z ⁇ 0.4.
- Z is within the given range, the cycle life and dynamic performance of the battery can be further improved.
- the secondary battery also satisfies 1.5g/Ah ⁇ Mel/CAP ⁇ 2.4g/Ah, optionally 1.7g/Ah ⁇ Mel/CAP ⁇ 2.2g/Ah, where Mel means: after formation The mass of the electrolyte in the battery, in g. When the battery meets this condition, its cycle performance and interface stability are further improved.
- the mass ratio W of the silicon-based material in the negative electrode active material satisfies: W ⁇ 40%; optionally, 10% ⁇ W ⁇ 30%.
- the battery can not only benefit from the high energy density of silicon-based materials, but also further reduce the adverse effects of the expansion of silicon-based materials.
- the secondary battery further includes a top cover, on which a turning unit is arranged, and the compressive strength of the turning unit is ⁇ 0.35 MPa. This design can further improve battery safety.
- the secondary battery of the present application includes a casing, a cell fixed in the casing, and an electrolyte injected into the casing.
- the cell includes a positive pole piece, a negative pole piece and a separator, and the cell is immersed in the electrolyte ,
- the active ions move between the positive and negative electrodes with the electrolyte as the medium to realize the charge and discharge of the battery.
- a separator is required to separate the positive and negative pole pieces.
- the conductive agent includes carbon nanotubes (CNT) whose weight content relative to the entire negative electrode membrane is ⁇ 10%; for example, 2% to 8%.
- CNT carbon nanotubes
- the thickness Ha of the negative electrode film when the battery is at 0% SOC the battery of each example and comparative example is discharged to 0% SOC at a rate of 1C, and then the thickness of the negative electrode film Ha (single side) is measured using a micrometer.
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
Description
Claims (18)
- 一种二次电池,包括壳体以及容纳在壳体内的电芯和电解液,所述电芯包括正极极片、负极极片及隔离膜,所述正极极片包括正极集流体以及设置在正极集流体至少一个表面上且包括正极活性材料的正极膜片,所述负极极片包括负极集流体以及设置在负极集流体至少一个表面上且包括负极活性材料的负极膜片,其中:所述正极活性材料包括锂镍钴锰氧化物、锂镍钴铝氧化物中的一种或几种;所述负极活性材料包括硅基材料和碳材料;且所述二次电池满足:0.05≤Z≤0.6,其中,Z={Vt-V0-(H b-H a)*S-V1}/CAP;Vt表示壳体内部空间的体积,单位cm 3;V0表示电池在0%SOC时电芯的体积,单位cm 3;H a表示电池在0%SOC时负极膜片的厚度,单位cm;H b表示电池在100%SOC时负极膜片的厚度,单位cm;S表示电池中负极膜片的总面积,单位cm 2;V1表示化成后电池中电解液的体积,单位为cm 3;CAP表示电池的额定容量,单位为Ah。
- 根据权利要求1所述的二次电池,其中:所述二次电池满足0.1≤Z≤0.5;可选地,0.15≤Z≤0.4。
- 根据权利要求1或2所述的二次电池,其中:所述二次电池满足:1<H b/H a≤1.5;可选地,1<H b/H a≤1.3。
- 根据权利要求1至3任一项所述的二次电池,其中:所述二次电池还满足1.5g/Ah≤Mel/CAP≤2.4g/Ah,可选地1.7g/Ah≤Mel/CAP≤2.2g/Ah,其中,Mel表示:化成后电池中电解液的质量,单位为g。
- 根据权利要求1至4任一项所述的二次电池,其中:所述电解液的密度Del为1.0g/cm 3≤Del≤1.3g/cm 3,可选地,1.1g/cm 3≤Del≤1.25g/cm 3。
- 根据权利要求1至5任一项所述的二次电池,其中:所述负极膜片的涂布重量CW为5mg/cm 2≤CW≤15mg/cm 2;可选地,6mg/cm 2≤CW≤13mg/cm 2。
- 根据权利要求1至6任一项所述的二次电池,其中:所述负极膜片的压实密度PD为1.4g/cm 3≤PD≤1.8g/cm 3,可选地,1.5g/cm 3≤PD≤1.7g/cm 3。
- 根据权利要求1至7任一项所述的二次电池,其中:所述硅基材料包括硅单质、硅合金、硅氧化合物、硅碳化合物、硅氮化合物中的一种或几种;可选地,所述硅基材料包括硅氧化合物。
- 根据权利要求1至8任一项所述的二次电池,其中:所述硅基材料在所述负极活性材料中的质量占比W满足:W≤40%;可选地,10%≤W≤30%。
- 根据权利要求1至9任一项所述的二次电池,其中:所述碳材料包括石墨、软碳、硬碳中的一种或几种;可选地,所述碳材料包括石墨,且所述石墨选自人造石墨、天然石墨中的一种或几种。
- 根据权利要求1至10任一项所述的二次电池,其中:所述壳体的壁厚T满足0.2mm≤T≤1mm;可选地,0.4mm≤T≤0.7mm。
- 根据权利要求1至11任一项所述的二次电池,其中:所述二次电池还包括顶盖,所述顶盖上设置有翻转单元,所述翻转单元的抗压强度≥0.35MPa。
- 根据权利要求1至12任一项所述的二次电池,其中:所述正极活性材料包括通式为Li aNi bCo cM dM’ eO fA g或表面至少一部分设置有包覆层的Li aNi bCo cM dM’ eO fA g中的一种或几种,其中,0.8≤a≤1.2,0.5≤b<1,0<c<1,0<d<1,0≤e≤0.1,1≤f≤2,0≤g≤1,M选自Mn、Al中的一种或几种,M’选自Zr、Al、Zn、Cu、Cr、Mg、Fe、V、Ti、B中的一种或几种,A选自N、F、S、Cl中的一种或几种。
- 根据权利要求1至13任一项所述的二次电池,其中,所述正极活性材料的至少一部分为单晶颗粒。
- 根据权利要求1至12任一项所述的二次电池,其中,所述正极活性材料还包括锂镍氧化物、锂锰氧化物、磷酸铁锂、磷酸锰锂、磷酸锰铁锂、钴酸锂及其改性化合物中的一种或几种。
- 一种电池模块,包括根据权利要求1-15任一项所述的二次电池。
- 一种电池包,包括根据权利要求16所述的电池模块。
- 一种装置,包括根据权利要求1-15任一项所述的二次电池,根据权利要求16所述的电池模块,或根据权利要求17所述的电池包中的至少一种。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022508962A JP7216869B2 (ja) | 2019-09-27 | 2020-09-09 | 二次電池及び該二次電池を備える電池モジュール、電池パック、装置 |
| EP20869720.1A EP3958362B1 (en) | 2019-09-27 | 2020-09-09 | Secondary battery, and battery module, battery pack, and device comprising the secondary battery |
| EP25184313.2A EP4597669A1 (en) | 2019-09-27 | 2020-09-09 | Secondary battery, and battery module, battery pack, and device comprising the secondary battery |
| KR1020227006306A KR102503954B1 (ko) | 2019-09-27 | 2020-09-09 | 이차 전지, 이차 전지를 포함하는 전지 모듈, 전지 팩 및 장치 |
| US17/547,284 US11658294B2 (en) | 2019-09-27 | 2021-12-10 | Secondary battery and battery module, battery pack and apparatus comprising the secondary battery |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933499.4 | 2019-09-27 | ||
| CN201910933499.4A CN112582596B (zh) | 2019-09-27 | 2019-09-27 | 二次电池及含有该二次电池的电池模组、电池包、装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/547,284 Continuation US11658294B2 (en) | 2019-09-27 | 2021-12-10 | Secondary battery and battery module, battery pack and apparatus comprising the secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021057483A1 true WO2021057483A1 (zh) | 2021-04-01 |
Family
ID=75110676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/114266 Ceased WO2021057483A1 (zh) | 2019-09-27 | 2020-09-09 | 二次电池及含有该二次电池的电池模组、电池包、装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11658294B2 (zh) |
| EP (2) | EP4597669A1 (zh) |
| JP (1) | JP7216869B2 (zh) |
| KR (1) | KR102503954B1 (zh) |
| CN (1) | CN112582596B (zh) |
| HU (1) | HUE073045T2 (zh) |
| WO (1) | WO2021057483A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464887A (zh) * | 2021-12-29 | 2022-05-10 | 深圳新宙邦科技股份有限公司 | 二次电池 |
| US20240097104A1 (en) * | 2022-09-21 | 2024-03-21 | Sk On Co., Ltd. | Lithium secondary battery, secondary battery module, and secondary battery pack |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4106097A4 (en) * | 2021-04-30 | 2024-09-04 | Contemporary Amperex Technology Co., Limited | BATTERY MODULE, BATTERY PACK, ELECTRICAL DEVICE AND METHOD AND DEVICE FOR PRODUCING A BATTERY MODULE |
| CN114586213B (zh) * | 2021-06-21 | 2024-09-13 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
| CN113540578B (zh) * | 2021-07-16 | 2022-11-29 | 远景动力技术(江苏)有限公司 | 电芯制备及优化方法、电芯 |
| CN115020789B (zh) * | 2022-06-06 | 2024-06-18 | 江苏正力新能电池技术有限公司 | 一种锂离子二次电池及用电装置 |
| CN117438707B (zh) * | 2022-07-15 | 2025-02-11 | 比亚迪股份有限公司 | 储能电池柜和具有其的储能系统 |
| CN116805730B (zh) * | 2022-07-19 | 2024-06-07 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
| CN115411226A (zh) * | 2022-09-07 | 2022-11-29 | 江苏正力新能电池技术有限公司 | 一种正极极片和电池 |
| CN115832194B (zh) * | 2022-10-14 | 2024-10-11 | 宁德时代新能源科技股份有限公司 | 一种电池包和用电装置 |
| DE202023003118U1 (de) * | 2022-10-14 | 2026-02-24 | Lg Energy Solution, Ltd. | Sekundärbatterie |
| CN115360438B (zh) * | 2022-10-20 | 2023-03-24 | 中创新航科技股份有限公司 | 一种电池 |
| CN118738263A (zh) * | 2023-03-29 | 2024-10-01 | 宁德时代新能源科技股份有限公司 | 正极极片及其制备方法、电池和用电装置 |
| CN121866663A (zh) * | 2023-09-26 | 2026-04-14 | 株式会社Lg新能源 | 锂二次电池 |
| EP4685940A1 (en) * | 2023-11-17 | 2026-01-28 | Contemporary Amperex Technology Co., Limited | Battery cell, battery, and electrical device |
| WO2025102388A1 (zh) * | 2023-11-17 | 2025-05-22 | 宁德时代新能源科技股份有限公司 | 电池单体、电池和用电设备 |
| WO2025102387A1 (zh) * | 2023-11-17 | 2025-05-22 | 宁德时代新能源科技股份有限公司 | 电池单体、电池和用电设备 |
| CN118553850A (zh) * | 2024-05-16 | 2024-08-27 | 珠海冠宇电池股份有限公司 | 一种负极片和电池 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024917A (zh) * | 2009-09-21 | 2011-04-20 | 三星Sdi株式会社 | 可充电电池和用于可充电电池的电极组件 |
| CN104681853A (zh) * | 2015-02-26 | 2015-06-03 | 广东烛光新能源科技有限公司 | 一种锂硫电池制备方法及采用该方法制备的锂硫电池 |
| JP2015187929A (ja) * | 2014-03-26 | 2015-10-29 | 株式会社カネカ | 非水電解質二次電池 |
| CN107851778A (zh) * | 2016-02-15 | 2018-03-27 | 株式会社Lg化学 | 制造负极的方法和负极 |
| WO2018179897A1 (ja) * | 2017-03-29 | 2018-10-04 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池及び電池モジュール |
| KR20190042850A (ko) * | 2017-10-17 | 2019-04-25 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009283276A (ja) | 2008-05-22 | 2009-12-03 | Toyota Motor Corp | リチウム二次電池の製造方法 |
| KR101517885B1 (ko) * | 2012-04-17 | 2015-05-08 | 주식회사 엘지화학 | 이차전지의 제조방법 및 이를 사용하여 제조되는 이차전지 |
| TWI504037B (zh) * | 2013-03-11 | 2015-10-11 | 日立麥克賽爾股份有限公司 | Lithium secondary battery pack, and the use of this electronic machine, charging system and charging method |
| US20150162590A1 (en) * | 2013-12-06 | 2015-06-11 | Semiconductor Energy Laboratory Co., Ltd. | Power storage device, method for manufacturing the same, and electronic device |
| JP6233649B2 (ja) * | 2014-05-19 | 2017-11-22 | トヨタ自動車株式会社 | 非水系二次電池 |
| JPWO2017038041A1 (ja) * | 2015-08-28 | 2018-06-14 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池 |
| CN105322232B (zh) * | 2015-10-16 | 2018-09-11 | 广东烛光新能源科技有限公司 | 一种电化学电池的制备方法 |
| KR20190066867A (ko) * | 2017-12-06 | 2019-06-14 | 주식회사 엘지화학 | 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 리튬 이차전지 |
| CN110109029B (zh) * | 2018-01-29 | 2022-05-03 | 宁德时代新能源科技股份有限公司 | 电芯析锂参数检测方法及装置、电芯检测系统和计算机可读存储介质 |
| CN108807974B (zh) * | 2018-06-29 | 2021-07-09 | 宁德时代新能源科技股份有限公司 | 锂离子电池 |
| CN109509909B (zh) * | 2018-10-17 | 2020-07-03 | 宁德时代新能源科技股份有限公司 | 二次电池 |
-
2019
- 2019-09-27 CN CN201910933499.4A patent/CN112582596B/zh active Active
-
2020
- 2020-09-09 HU HUE20869720A patent/HUE073045T2/hu unknown
- 2020-09-09 EP EP25184313.2A patent/EP4597669A1/en active Pending
- 2020-09-09 WO PCT/CN2020/114266 patent/WO2021057483A1/zh not_active Ceased
- 2020-09-09 EP EP20869720.1A patent/EP3958362B1/en active Active
- 2020-09-09 JP JP2022508962A patent/JP7216869B2/ja active Active
- 2020-09-09 KR KR1020227006306A patent/KR102503954B1/ko active Active
-
2021
- 2021-12-10 US US17/547,284 patent/US11658294B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024917A (zh) * | 2009-09-21 | 2011-04-20 | 三星Sdi株式会社 | 可充电电池和用于可充电电池的电极组件 |
| JP2015187929A (ja) * | 2014-03-26 | 2015-10-29 | 株式会社カネカ | 非水電解質二次電池 |
| CN104681853A (zh) * | 2015-02-26 | 2015-06-03 | 广东烛光新能源科技有限公司 | 一种锂硫电池制备方法及采用该方法制备的锂硫电池 |
| CN107851778A (zh) * | 2016-02-15 | 2018-03-27 | 株式会社Lg化学 | 制造负极的方法和负极 |
| WO2018179897A1 (ja) * | 2017-03-29 | 2018-10-04 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池及び電池モジュール |
| KR20190042850A (ko) * | 2017-10-17 | 2019-04-25 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3958362A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464887A (zh) * | 2021-12-29 | 2022-05-10 | 深圳新宙邦科技股份有限公司 | 二次电池 |
| CN114464887B (zh) * | 2021-12-29 | 2024-04-05 | 深圳新宙邦科技股份有限公司 | 二次电池 |
| US20240097104A1 (en) * | 2022-09-21 | 2024-03-21 | Sk On Co., Ltd. | Lithium secondary battery, secondary battery module, and secondary battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| US11658294B2 (en) | 2023-05-23 |
| CN112582596A (zh) | 2021-03-30 |
| CN112582596B (zh) | 2021-10-15 |
| HUE073045T2 (hu) | 2025-12-28 |
| JP2022536811A (ja) | 2022-08-18 |
| EP3958362A4 (en) | 2023-01-11 |
| US20220102714A1 (en) | 2022-03-31 |
| EP4597669A1 (en) | 2025-08-06 |
| KR102503954B1 (ko) | 2023-02-28 |
| KR20220038747A (ko) | 2022-03-29 |
| EP3958362B1 (en) | 2025-07-23 |
| EP3958362A1 (en) | 2022-02-23 |
| JP7216869B2 (ja) | 2023-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11658294B2 (en) | Secondary battery and battery module, battery pack and apparatus comprising the secondary battery | |
| CN117895084B (zh) | 锂离子电池及用电装置 | |
| US20240266606A1 (en) | Lithium-ion battery, battery module, battery pack, and electric device | |
| US20220093921A1 (en) | Secondary battery and battery module, battery pack and apparatus containing the same | |
| WO2023070268A1 (zh) | 一种电化学装置及包含该电化学装置的用电装置 | |
| CN113302783A (zh) | 二次电池及含有该二次电池的装置 | |
| US20240363856A1 (en) | Lithium-ion battery | |
| WO2025015923A1 (zh) | 锂二次电池和用电装置 | |
| CN116830315B (zh) | 一种电极组件、二次电池、电池模块、电池包及用电装置 | |
| WO2024016940A1 (zh) | 正极片、二次电池、电池模组、电池包和用电装置 | |
| CN120127295B (zh) | 电池单体、电池装置及用电装置 | |
| US11888116B2 (en) | Fast charge long-lifetime secondary battery, battery module, battery pack, and power consumption device | |
| JP2024504217A (ja) | 二次電池、電池モジュール、電池パック及び電力消費装置 | |
| WO2024082110A1 (zh) | 二次电池以及包含其的用电装置 | |
| CN115763725A (zh) | 一种正极活性材料、正极极片、电芯、电池、电池包以及用电设备 | |
| WO2024192869A1 (zh) | 圆柱电池、动力电池包和用电装置 | |
| CN119008939B (zh) | 电池 | |
| KR20230054608A (ko) | 음극 극판, 이차 전지, 전지 모듈, 전지 팩 및 전기 장치 | |
| WO2024168708A1 (zh) | 锂二次电池及用电装置 | |
| WO2023050832A1 (zh) | 锂离子电池、电池模组、电池包及用电装置 | |
| WO2023220857A1 (zh) | 电解液及包含其的二次电池、电池模块、电池包和用电装置 | |
| CN120149402B (zh) | 电池单体、电池装置及用电装置 | |
| CN2433736Y (zh) | 锂离子二次电池 | |
| WO2026066504A1 (zh) | 二次电池和用电装置 | |
| WO2024040472A1 (zh) | 二次电池、电池模块、电池包和用电装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20869720 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2020869720 Country of ref document: EP Effective date: 20211119 |
|
| ENP | Entry into the national phase |
Ref document number: 2022508962 Country of ref document: JP Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 20227006306 Country of ref document: KR Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2020869720 Country of ref document: EP |

