CN113226986A - 锂二次电池负极活性材料的制备方法 - Google Patents
锂二次电池负极活性材料的制备方法 Download PDFInfo
- Publication number
- CN113226986A CN113226986A CN201980085030.8A CN201980085030A CN113226986A CN 113226986 A CN113226986 A CN 113226986A CN 201980085030 A CN201980085030 A CN 201980085030A CN 113226986 A CN113226986 A CN 113226986A
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- Prior art keywords
- particles
- active material
- particle diameter
- secondary battery
- lithium secondary
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Links
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 86
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 77
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 66
- 239000002245 particle Substances 0.000 claims abstract description 123
- 239000011163 secondary particle Substances 0.000 claims abstract description 113
- 239000011164 primary particle Substances 0.000 claims abstract description 84
- 239000007770 graphite material Substances 0.000 claims abstract description 40
- 239000002010 green coke Substances 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011230 binding agent Substances 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000010000 carbonizing Methods 0.000 claims abstract description 13
- 239000000571 coke Substances 0.000 claims description 22
- 238000000227 grinding Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000010298 pulverizing process Methods 0.000 claims description 14
- 239000011331 needle coke Substances 0.000 claims description 11
- 239000003792 electrolyte Substances 0.000 claims description 9
- 239000006253 pitch coke Substances 0.000 claims description 6
- 239000003039 volatile agent Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims description 2
- 239000006183 anode active material Substances 0.000 abstract description 27
- 230000002776 aggregation Effects 0.000 abstract description 4
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 19
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- 238000003801 milling Methods 0.000 description 11
- 229910021383 artificial graphite Inorganic materials 0.000 description 10
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- 239000010439 graphite Substances 0.000 description 9
- 238000003763 carbonization Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
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- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
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- 239000000203 mixture Substances 0.000 description 3
- 238000009818 secondary granulation Methods 0.000 description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002000 Electrolyte additive Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 2
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- 238000004438 BET method Methods 0.000 description 1
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
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- 230000002860 competitive effect Effects 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- 238000007086 side reaction Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01M4/36—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/21—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- 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
-
- 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
Abstract
Description
Claims (19)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180165639A KR102176343B1 (ko) | 2018-12-19 | 2018-12-19 | 리튬 이차전지용 음극 활물질의 제조방법 |
KR10-2018-0165645 | 2018-12-19 | ||
KR1020180165645A KR102240777B1 (ko) | 2018-12-19 | 2018-12-19 | 리튬 이차전지용 음극 활물질의 제조방법 |
KR10-2018-0165639 | 2018-12-19 | ||
PCT/KR2019/017223 WO2020130443A1 (ko) | 2018-12-19 | 2019-12-06 | 리튬 이차전지용 음극 활물질의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113226986A true CN113226986A (zh) | 2021-08-06 |
CN113226986B CN113226986B (zh) | 2023-11-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201980085030.8A Active CN113226986B (zh) | 2018-12-19 | 2019-12-06 | 锂二次电池负极活性材料的制备方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220077466A1 (zh) |
EP (1) | EP3901088A4 (zh) |
JP (1) | JP7471303B2 (zh) |
CN (1) | CN113226986B (zh) |
WO (1) | WO2020130443A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114122329A (zh) * | 2021-11-11 | 2022-03-01 | 珠海冠宇电池股份有限公司 | 一种负极片和包括该负极片的锂离子电池 |
CN114538431A (zh) * | 2021-09-09 | 2022-05-27 | 万向一二三股份公司 | 一种用于锂电池的快充石墨负极材料及其制备方法 |
CN114597326A (zh) * | 2022-03-22 | 2022-06-07 | 珠海冠宇电池股份有限公司 | 一种负极活性材料及含有该负极活性材料的负极片和电池 |
CN114937758A (zh) * | 2022-03-22 | 2022-08-23 | 珠海冠宇电池股份有限公司 | 一种负极活性材料及含有该负极活性材料的负极片和电池 |
WO2024066462A1 (zh) * | 2022-09-29 | 2024-04-04 | 贝特瑞新材料集团股份有限公司 | 负极材料及其制备方法、二次电池 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115472816A (zh) | 2019-10-22 | 2022-12-13 | 安普瑞斯(南京)有限公司 | 一种硅氧颗粒及其制备方法和应用 |
CN115448305B (zh) * | 2022-09-19 | 2023-11-17 | 惠州锂威新能源科技有限公司 | 石墨基体及其制备方法和快充石墨及其制备方法 |
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JP2004127913A (ja) * | 2002-07-31 | 2004-04-22 | Matsushita Electric Ind Co Ltd | リチウム二次電池 |
CN102362381A (zh) * | 2009-03-27 | 2012-02-22 | 三菱化学株式会社 | 非水电解质二次电池用负极材料以及使用该负极材料的非水电解质二次电池 |
CN104756292A (zh) * | 2012-10-24 | 2015-07-01 | 东海炭素株式会社 | 锂二次电池负极材料用石墨粉末的制造方法 |
CN107078288A (zh) * | 2014-10-28 | 2017-08-18 | 杰富意化学株式会社 | 锂离子二次电池负极材料用石墨质粒子、锂离子二次电池负极和锂离子二次电池 |
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KR20180101896A (ko) * | 2017-03-06 | 2018-09-14 | 주식회사 엘지화학 | 리튬 이차전지용 음극 활물질 및 이의 제조방법 |
KR20180133749A (ko) * | 2017-06-07 | 2018-12-17 | 주식회사 엘지화학 | 리튬 이차전지용 음극 활물질 슬러리, 및 이의 제조방법 |
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2019
- 2019-12-06 CN CN201980085030.8A patent/CN113226986B/zh active Active
- 2019-12-06 JP JP2021535986A patent/JP7471303B2/ja active Active
- 2019-12-06 WO PCT/KR2019/017223 patent/WO2020130443A1/ko unknown
- 2019-12-06 EP EP19900603.2A patent/EP3901088A4/en active Pending
- 2019-12-06 US US17/415,848 patent/US20220077466A1/en active Pending
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JP2004127913A (ja) * | 2002-07-31 | 2004-04-22 | Matsushita Electric Ind Co Ltd | リチウム二次電池 |
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CN114937758B (zh) * | 2022-03-22 | 2024-04-05 | 珠海冠宇电池股份有限公司 | 一种负极活性材料及含有该负极活性材料的负极片和电池 |
WO2024066462A1 (zh) * | 2022-09-29 | 2024-04-04 | 贝特瑞新材料集团股份有限公司 | 负极材料及其制备方法、二次电池 |
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