CN111509231B - 负极浆料、负极片及其制备方法 - Google Patents
负极浆料、负极片及其制备方法 Download PDFInfo
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- CN111509231B CN111509231B CN202010455756.0A CN202010455756A CN111509231B CN 111509231 B CN111509231 B CN 111509231B CN 202010455756 A CN202010455756 A CN 202010455756A CN 111509231 B CN111509231 B CN 111509231B
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- negative electrode
- styrene
- binder
- dispersion
- slurry
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- 239000011267 electrode slurry Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000004816 latex Substances 0.000 claims abstract description 71
- 229920000126 latex Polymers 0.000 claims abstract description 71
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000839 emulsion Substances 0.000 claims abstract description 53
- 239000011230 binding agent Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 37
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000002562 thickening agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000011149 active material Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 239000006185 dispersion Substances 0.000 claims description 79
- 239000002174 Styrene-butadiene Substances 0.000 claims description 58
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 46
- 238000001035 drying Methods 0.000 claims description 44
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 39
- 239000011115 styrene butadiene Substances 0.000 claims description 39
- 239000003292 glue Substances 0.000 claims description 34
- 239000006258 conductive agent Substances 0.000 claims description 32
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 31
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- 239000013543 active substance Substances 0.000 claims description 23
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 19
- 238000007603 infrared drying Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000006257 cathode slurry Substances 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 7
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 7
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229910021156 KS 6 Inorganic materials 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229910000676 Si alloy Inorganic materials 0.000 claims description 3
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910021385 hard carbon Inorganic materials 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- 229910021384 soft carbon Inorganic materials 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 abstract description 10
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical group CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 125000004344 phenylpropyl group Chemical group 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 29
- 239000002002 slurry Substances 0.000 description 25
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 20
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 20
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 18
- 229910001416 lithium ion Inorganic materials 0.000 description 18
- 238000003756 stirring Methods 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 238000004806 packaging method and process Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 12
- 238000007789 sealing Methods 0.000 description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 230000032683 aging Effects 0.000 description 11
- 229910052744 lithium Inorganic materials 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 9
- 239000006256 anode slurry Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
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- 239000002131 composite material Substances 0.000 description 6
- 238000007872 degassing Methods 0.000 description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 6
- 229920006255 plastic film Polymers 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 229920000515 polycarbonate Polymers 0.000 description 6
- 229910001290 LiPF6 Inorganic materials 0.000 description 5
- 229920006184 cellulose methylcellulose Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 3
- 229920002160 Celluloid Polymers 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007765 extrusion coating Methods 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder 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
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000002003 electrode paste Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 for example) Polymers 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
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- 238000001291 vacuum drying Methods 0.000 description 1
- 238000004804 winding Methods 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
- 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
- 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
- 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
- H01M4/139—Processes of manufacture
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (15)
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CN202010455756.0A CN111509231B (zh) | 2020-05-26 | 2020-05-26 | 负极浆料、负极片及其制备方法 |
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CN202010455756.0A CN111509231B (zh) | 2020-05-26 | 2020-05-26 | 负极浆料、负极片及其制备方法 |
Publications (2)
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CN111509231A CN111509231A (zh) | 2020-08-07 |
CN111509231B true CN111509231B (zh) | 2021-08-10 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US11824196B2 (en) | 2020-10-14 | 2023-11-21 | Samsung Sdi Co., Ltd. | Negative electrode slurry, negative electrode, and rechargeable battery |
CN112952215A (zh) * | 2021-01-31 | 2021-06-11 | 复旦大学 | 一种水系纤维电池及其制备方法 |
CN113299917B (zh) | 2021-05-25 | 2022-10-14 | 中创新航技术研究院(江苏)有限公司 | 负极浆料的制备方法及电池 |
CN113285057A (zh) * | 2021-06-15 | 2021-08-20 | 多氟多新能源科技有限公司 | 一种锂电池负极片及其制作工艺 |
KR20240073134A (ko) * | 2021-10-14 | 2024-05-24 | 다이킨 고교 가부시키가이샤 | 이차 전지 전극용 합제 조성물, 전극 합제 시트의 제조 방법, 전극 합제 시트, 전극 및 이차 전지 |
CN115513461B (zh) * | 2022-09-30 | 2024-01-30 | 厦门海辰储能科技股份有限公司 | 负极浆料及制备方法、负极片、电池、电池包及用电设备 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102751473A (zh) * | 2012-07-10 | 2012-10-24 | 上海索锂科技有限公司 | 一种大容量汽车用负极浆料的制备方法 |
CN103296254A (zh) * | 2013-04-16 | 2013-09-11 | 江苏力天新能源科技有限公司 | 一种锂离子电池负极浆料的制备方法 |
CN104795541A (zh) * | 2014-01-16 | 2015-07-22 | 万向A一二三系统有限公司 | 一种锂离子电池负极浆料制备方法 |
CN107919459A (zh) * | 2017-11-29 | 2018-04-17 | 中航锂电(洛阳)有限公司 | 锂离子电池负极片的制备方法、锂离子电池负极片及锂离子电池 |
CN108598404A (zh) * | 2018-04-16 | 2018-09-28 | 清华大学 | 一种锂离子电池、负极、负极导电浆料及制备方法 |
CN109192923A (zh) * | 2018-09-25 | 2019-01-11 | 清华大学 | 一种锂离子电池负极导电浆料的制备方法 |
CN109659552A (zh) * | 2017-12-21 | 2019-04-19 | 广州鹏辉能源科技股份有限公司 | 一种锂离子电池负极浆料及其制备方法 |
CN110993884A (zh) * | 2019-12-06 | 2020-04-10 | 联动天翼新能源有限公司 | 锂离子电池负极浆料、制备方法、负极极片以及电池 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607240B (zh) * | 2012-03-06 | 2014-07-23 | 宁德新能源科技有限公司 | 一种锂离子电池极片的干燥设备及方法 |
US10128496B2 (en) * | 2014-08-14 | 2018-11-13 | Giner, Inc. | Three-dimensional, porous anode for use in lithium-ion batteries and method of fabrication thereof |
CN105932297B (zh) * | 2016-06-12 | 2018-10-09 | 华南理工大学 | 一种碳纳米管导电涂层集流体及其制备工艺 |
JP6451889B1 (ja) * | 2017-07-18 | 2019-01-16 | Tdk株式会社 | リチウムイオン二次電池用負極およびこれを用いたリチウムイオン二次電池 |
CN110048080B (zh) * | 2019-04-03 | 2021-03-16 | 昆山聚创新能源科技有限公司 | 锂电池极片及其制备方法和锂电池 |
-
2020
- 2020-05-26 CN CN202010455756.0A patent/CN111509231B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102751473A (zh) * | 2012-07-10 | 2012-10-24 | 上海索锂科技有限公司 | 一种大容量汽车用负极浆料的制备方法 |
CN103296254A (zh) * | 2013-04-16 | 2013-09-11 | 江苏力天新能源科技有限公司 | 一种锂离子电池负极浆料的制备方法 |
CN104795541A (zh) * | 2014-01-16 | 2015-07-22 | 万向A一二三系统有限公司 | 一种锂离子电池负极浆料制备方法 |
CN107919459A (zh) * | 2017-11-29 | 2018-04-17 | 中航锂电(洛阳)有限公司 | 锂离子电池负极片的制备方法、锂离子电池负极片及锂离子电池 |
CN109659552A (zh) * | 2017-12-21 | 2019-04-19 | 广州鹏辉能源科技股份有限公司 | 一种锂离子电池负极浆料及其制备方法 |
CN108598404A (zh) * | 2018-04-16 | 2018-09-28 | 清华大学 | 一种锂离子电池、负极、负极导电浆料及制备方法 |
CN109192923A (zh) * | 2018-09-25 | 2019-01-11 | 清华大学 | 一种锂离子电池负极导电浆料的制备方法 |
CN110993884A (zh) * | 2019-12-06 | 2020-04-10 | 联动天翼新能源有限公司 | 锂离子电池负极浆料、制备方法、负极极片以及电池 |
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