CN112467076A - 一种锂离子电池 - Google Patents
一种锂离子电池 Download PDFInfo
- Publication number
- CN112467076A CN112467076A CN202011336100.3A CN202011336100A CN112467076A CN 112467076 A CN112467076 A CN 112467076A CN 202011336100 A CN202011336100 A CN 202011336100A CN 112467076 A CN112467076 A CN 112467076A
- Authority
- CN
- China
- Prior art keywords
- positive
- negative
- lithium ion
- ion battery
- negative 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.)
- Granted
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 54
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 47
- 239000011888 foil Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 239000006258 conductive agent Substances 0.000 claims description 26
- 239000007774 positive electrode material Substances 0.000 claims description 19
- 239000007773 negative electrode material Substances 0.000 claims description 18
- 238000005056 compaction Methods 0.000 claims description 11
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 8
- 239000002041 carbon nanotube Substances 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 7
- 239000004642 Polyimide Substances 0.000 claims description 6
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 claims description 6
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910021385 hard carbon Inorganic materials 0.000 claims description 6
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229910021384 soft carbon Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 239000011883 electrode binding agent Substances 0.000 claims description 5
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 claims description 3
- 229910002102 lithium manganese oxide Inorganic materials 0.000 claims description 3
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 claims description 3
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 description 14
- 239000003792 electrolyte Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 10
- 239000011148 porous material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000011164 primary particle Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/58—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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- H—ELECTRICITY
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- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
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- H—ELECTRICITY
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- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
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- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011336100.3A CN112467076B (zh) | 2020-11-25 | 2020-11-25 | 一种锂离子电池 |
US18/033,308 US20240014375A1 (en) | 2020-11-25 | 2021-04-25 | Lithium Ion Battery |
DE112021006158.5T DE112021006158T5 (de) | 2020-11-25 | 2021-04-25 | Lithium-Ionen-Akkumulator |
PCT/CN2021/089564 WO2022110633A1 (zh) | 2020-11-25 | 2021-04-25 | 一种锂离子电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011336100.3A CN112467076B (zh) | 2020-11-25 | 2020-11-25 | 一种锂离子电池 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112467076A true CN112467076A (zh) | 2021-03-09 |
CN112467076B CN112467076B (zh) | 2021-12-07 |
Family
ID=74798269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011336100.3A Active CN112467076B (zh) | 2020-11-25 | 2020-11-25 | 一种锂离子电池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240014375A1 (zh) |
CN (1) | CN112467076B (zh) |
DE (1) | DE112021006158T5 (zh) |
WO (1) | WO2022110633A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114497698A (zh) * | 2022-01-21 | 2022-05-13 | 江苏正力新能电池技术有限公司 | 一种锂离子电池及用电装置 |
WO2022110633A1 (zh) * | 2020-11-25 | 2022-06-02 | 江苏正力新能电池技术有限公司 | 一种锂离子电池 |
CN115911511A (zh) * | 2022-12-13 | 2023-04-04 | 江苏正力新能电池技术有限公司 | 一种锂离子电池 |
EP4167314A4 (en) * | 2021-08-23 | 2024-03-27 | Contemporary Amperex Technology Co., Limited | CARBON-COATED LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PRODUCING THE SAME, POSITIVE ELECTRODE POLE PIECE COMPRISING THE SAME, AND LITHIUM-ION BATTERY |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115224267A (zh) * | 2022-07-25 | 2022-10-21 | 江苏正力新能电池技术有限公司 | 一种正极片、二次电池和用电装置 |
CN115312701B (zh) * | 2022-09-29 | 2023-02-10 | 比亚迪股份有限公司 | 一种正极片及锂离子电池 |
CN117174829B (zh) * | 2023-11-03 | 2024-01-19 | 溧阳中科海钠科技有限责任公司 | 一种钠离子电池负极及其制备方法 |
Citations (3)
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CN101830521A (zh) * | 2010-04-22 | 2010-09-15 | 江苏凯力克钴业股份有限公司 | 一种碳酸钴的生产方法 |
CN102237517A (zh) * | 2010-04-20 | 2011-11-09 | 深圳市比克电池有限公司 | 一种锂离子电池、正极复合材料及其制备方法 |
JP2015041600A (ja) * | 2013-08-23 | 2015-03-02 | Agcセイミケミカル株式会社 | リチウムイオン二次電池用のリチウム含有複合酸化物の製造方法 |
Family Cites Families (5)
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---|---|---|---|---|
JP4709710B2 (ja) * | 2006-08-04 | 2011-06-22 | 株式会社東芝 | 非水電解質電池、電池パック及び自動車 |
JP6250998B2 (ja) * | 2013-09-17 | 2017-12-20 | 株式会社東芝 | 非水電解質電池及び電池パック |
WO2019093332A1 (ja) * | 2017-11-07 | 2019-05-16 | 株式会社 東芝 | 非水電解質電池用正極及び非水電解質電池 |
WO2019193691A1 (ja) * | 2018-04-04 | 2019-10-10 | 株式会社 東芝 | 正極、電極群及び非水電解質電池 |
CN112467076B (zh) * | 2020-11-25 | 2021-12-07 | 东莞塔菲尔新能源科技有限公司 | 一种锂离子电池 |
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2020
- 2020-11-25 CN CN202011336100.3A patent/CN112467076B/zh active Active
-
2021
- 2021-04-25 WO PCT/CN2021/089564 patent/WO2022110633A1/zh active Application Filing
- 2021-04-25 US US18/033,308 patent/US20240014375A1/en active Pending
- 2021-04-25 DE DE112021006158.5T patent/DE112021006158T5/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102237517A (zh) * | 2010-04-20 | 2011-11-09 | 深圳市比克电池有限公司 | 一种锂离子电池、正极复合材料及其制备方法 |
CN101830521A (zh) * | 2010-04-22 | 2010-09-15 | 江苏凯力克钴业股份有限公司 | 一种碳酸钴的生产方法 |
JP2015041600A (ja) * | 2013-08-23 | 2015-03-02 | Agcセイミケミカル株式会社 | リチウムイオン二次電池用のリチウム含有複合酸化物の製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022110633A1 (zh) * | 2020-11-25 | 2022-06-02 | 江苏正力新能电池技术有限公司 | 一种锂离子电池 |
EP4167314A4 (en) * | 2021-08-23 | 2024-03-27 | Contemporary Amperex Technology Co., Limited | CARBON-COATED LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PRODUCING THE SAME, POSITIVE ELECTRODE POLE PIECE COMPRISING THE SAME, AND LITHIUM-ION BATTERY |
CN114497698A (zh) * | 2022-01-21 | 2022-05-13 | 江苏正力新能电池技术有限公司 | 一种锂离子电池及用电装置 |
WO2023138109A1 (zh) * | 2022-01-21 | 2023-07-27 | 江苏正力新能电池技术有限公司 | 一种锂离子电池及用电装置 |
CN115911511A (zh) * | 2022-12-13 | 2023-04-04 | 江苏正力新能电池技术有限公司 | 一种锂离子电池 |
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