CN113383450B - 圆筒形电池 - Google Patents
圆筒形电池 Download PDFInfo
- Publication number
- CN113383450B CN113383450B CN202080012562.1A CN202080012562A CN113383450B CN 113383450 B CN113383450 B CN 113383450B CN 202080012562 A CN202080012562 A CN 202080012562A CN 113383450 B CN113383450 B CN 113383450B
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- graphite particles
- mixture layer
- cross
- breaking strength
- Prior art date
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- 239000002245 particle Substances 0.000 claims abstract description 112
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 78
- 239000010439 graphite Substances 0.000 claims abstract description 78
- 239000000203 mixture Substances 0.000 claims abstract description 46
- 239000011800 void material Substances 0.000 claims abstract description 32
- 239000007773 negative electrode material Substances 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000036541 health Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000000992 sputter etching Methods 0.000 claims description 2
- 238000000691 measurement method Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 31
- 238000007789 sealing Methods 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 8
- 239000000571 coke Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000002905 metal composite material Substances 0.000 description 6
- 239000011255 nonaqueous electrolyte Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 229910052723 transition metal Inorganic materials 0.000 description 6
- 150000003624 transition metals Chemical class 0.000 description 6
- -1 Polytetrafluoroethylene Polymers 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 239000002612 dispersion medium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 229920005672 polyolefin resin Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910015746 LiNi0.88Co0.09Al0.03O2 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound 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
- H01M4/133—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
- H01M4/36—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
- H01M4/621—Binders
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the 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
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019021656 | 2019-02-08 | ||
JP2019-021656 | 2019-02-08 | ||
PCT/JP2020/004405 WO2020162504A1 (ja) | 2019-02-08 | 2020-02-05 | 円筒形電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113383450A CN113383450A (zh) | 2021-09-10 |
CN113383450B true CN113383450B (zh) | 2024-06-18 |
Family
ID=71947461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202080012562.1A Active CN113383450B (zh) | 2019-02-08 | 2020-02-05 | 圆筒形电池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220166115A1 (zh) |
EP (1) | EP3923394A4 (zh) |
JP (1) | JP7403481B2 (zh) |
CN (1) | CN113383450B (zh) |
WO (1) | WO2020162504A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023100498A1 (ja) * | 2021-11-30 | 2023-06-08 | パナソニックIpマネジメント株式会社 | リチウムイオン二次電池 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101188281A (zh) * | 2006-11-16 | 2008-05-28 | 吴乃立 | 用于锂离子二次电池的负极活性材料、其制备方法及含此负极活性材料的锂离子二次电池 |
CN103035915A (zh) * | 2011-10-05 | 2013-04-10 | 三星Sdi株式会社 | 负极活性物质及包括所述负极活性物质的锂电池 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5986347B2 (ja) * | 2009-09-07 | 2016-09-06 | 三菱化学株式会社 | リチウムイオン二次電池用黒鉛材料の製造方法 |
JP2013254561A (ja) | 2010-09-30 | 2013-12-19 | Panasonic Corp | 円筒形非水電解質二次電池 |
EP2650955B1 (en) * | 2010-12-08 | 2015-11-04 | Nippon Coke & Engineering Co., Ltd. | Negative electrode material for lithium ion secondary batteries, and method for producing same |
JP2014102877A (ja) * | 2011-03-10 | 2014-06-05 | Panasonic Corp | 非水電解質二次電池 |
KR101942599B1 (ko) * | 2011-03-29 | 2019-01-25 | 미쯔비시 케미컬 주식회사 | 비수계 이차 전지용 부극 탄소재, 및 부극 그리고, 비수계 이차 전지 |
JP2013134938A (ja) * | 2011-12-27 | 2013-07-08 | Panasonic Corp | 非水電解質二次電池用負極およびその製造方法、ならびにそれを用いた非水電解質二次電池 |
KR101539843B1 (ko) * | 2012-07-13 | 2015-07-27 | 주식회사 엘지화학 | 고밀도 음극 활물질 및 이의 제조방법 |
JP6201425B2 (ja) * | 2013-05-23 | 2017-09-27 | 日立化成株式会社 | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極及びリチウムイオン二次電池 |
CN104662715B (zh) * | 2013-05-30 | 2018-09-28 | 株式会社Lg 化学 | 多孔性硅类负极活性物质及其制备方法、包含它的锂二次电池 |
KR20150065041A (ko) * | 2013-12-04 | 2015-06-12 | (주)포스코켐텍 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR101737197B1 (ko) * | 2014-02-28 | 2017-05-17 | 주식회사 엘지화학 | 다공성 실리콘계 음극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차전지 |
CN107112534B (zh) * | 2015-01-28 | 2021-06-25 | 三洋电机株式会社 | 非水电解质二次电池用负极活性物质和非水电解质二次电池 |
CN105845935B (zh) * | 2016-05-21 | 2018-10-09 | 大同新成新材料股份有限公司 | 一种利用特种石墨粉制备电池石墨负极材料的方法 |
WO2018142928A1 (ja) * | 2017-01-31 | 2018-08-09 | パナソニックIpマネジメント株式会社 | 二次電池 |
JP6822372B2 (ja) * | 2017-10-12 | 2021-01-27 | トヨタ自動車株式会社 | 負極板および非水電解質二次電池 |
-
2020
- 2020-02-05 US US17/426,001 patent/US20220166115A1/en active Pending
- 2020-02-05 CN CN202080012562.1A patent/CN113383450B/zh active Active
- 2020-02-05 JP JP2020571239A patent/JP7403481B2/ja active Active
- 2020-02-05 WO PCT/JP2020/004405 patent/WO2020162504A1/ja unknown
- 2020-02-05 EP EP20752637.7A patent/EP3923394A4/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101188281A (zh) * | 2006-11-16 | 2008-05-28 | 吴乃立 | 用于锂离子二次电池的负极活性材料、其制备方法及含此负极活性材料的锂离子二次电池 |
CN103035915A (zh) * | 2011-10-05 | 2013-04-10 | 三星Sdi株式会社 | 负极活性物质及包括所述负极活性物质的锂电池 |
Also Published As
Publication number | Publication date |
---|---|
JP7403481B2 (ja) | 2023-12-22 |
JPWO2020162504A1 (ja) | 2021-12-16 |
WO2020162504A1 (ja) | 2020-08-13 |
EP3923394A4 (en) | 2022-04-06 |
CN113383450A (zh) | 2021-09-10 |
EP3923394A1 (en) | 2021-12-15 |
US20220166115A1 (en) | 2022-05-26 |
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