CN105789556A - 一种电极片和锂离子电池 - Google Patents
一种电极片和锂离子电池 Download PDFInfo
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- CN105789556A CN105789556A CN201610265164.6A CN201610265164A CN105789556A CN 105789556 A CN105789556 A CN 105789556A CN 201610265164 A CN201610265164 A CN 201610265164A CN 105789556 A CN105789556 A CN 105789556A
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- Prior art keywords
- layer
- silicon material
- conductive layer
- silicon
- material layer
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Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 38
- 239000002210 silicon-based material Substances 0.000 claims abstract description 163
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 41
- 239000011230 binding agent Substances 0.000 claims description 31
- 239000003575 carbonaceous material Substances 0.000 claims description 30
- -1 acryl Chemical group 0.000 claims description 17
- 239000006258 conductive agent Substances 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 239000006230 acetylene black Substances 0.000 claims description 10
- 229920002125 Sokalan® Polymers 0.000 claims description 9
- 239000002033 PVDF binder Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 239000002153 silicon-carbon composite material Substances 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 6
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 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
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000681 Silicon-tin Inorganic materials 0.000 claims description 3
- 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 3
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 3
- LQJIDIOGYJAQMF-UHFFFAOYSA-N lambda2-silanylidenetin Chemical compound [Si].[Sn] LQJIDIOGYJAQMF-UHFFFAOYSA-N 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 239000005545 pitch carbide Substances 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 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
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 21
- 230000008859 change Effects 0.000 abstract description 16
- 239000000872 buffer Substances 0.000 abstract description 13
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 9
- 230000002411 adverse Effects 0.000 abstract description 5
- 239000006173 Good's buffer Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 290
- 239000002002 slurry Substances 0.000 description 51
- 238000001035 drying Methods 0.000 description 32
- 239000011248 coating agent Substances 0.000 description 28
- 238000000576 coating method Methods 0.000 description 28
- 239000002904 solvent Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 239000011889 copper foil Substances 0.000 description 14
- 238000013329 compounding Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 12
- 239000011856 silicon-based particle Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000007599 discharging Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 102000004310 Ion Channels Human genes 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052718 tin Inorganic materials 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
- H01M4/13—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
- 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
- H01M4/36—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
-
- 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 (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610265164.6A CN105789556A (zh) | 2016-04-26 | 2016-04-26 | 一种电极片和锂离子电池 |
Applications Claiming Priority (1)
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CN201610265164.6A CN105789556A (zh) | 2016-04-26 | 2016-04-26 | 一种电极片和锂离子电池 |
Publications (1)
Publication Number | Publication Date |
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CN105789556A true CN105789556A (zh) | 2016-07-20 |
Family
ID=56398643
Family Applications (1)
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CN201610265164.6A Pending CN105789556A (zh) | 2016-04-26 | 2016-04-26 | 一种电极片和锂离子电池 |
Country Status (1)
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CN (1) | CN105789556A (zh) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105977447A (zh) * | 2016-07-21 | 2016-09-28 | 苏州协鑫集成科技工业应用研究院有限公司 | 负极片及其制备方法及电池 |
CN106560943A (zh) * | 2016-08-17 | 2017-04-12 | 深圳市优特利电源有限公司 | 硅碳负电极及其制备方法和锂离子电池 |
CN106560940A (zh) * | 2016-08-17 | 2017-04-12 | 深圳市优特利电源有限公司 | 高克容量硅碳负电极及其制备方法和锂离子电池 |
CN108550857A (zh) * | 2018-03-15 | 2018-09-18 | 桑顿新能源科技有限公司 | 一种具有梯度硅含量的负极片及锂电池 |
CN108899529A (zh) * | 2018-07-18 | 2018-11-27 | 绍兴文理学院 | 一种硅基复合材料的制备方法 |
CN108963187A (zh) * | 2018-07-19 | 2018-12-07 | 桑德集团有限公司 | 硅碳负极、其制备方法、锂离子电池及电动车辆 |
CN109148871A (zh) * | 2018-09-30 | 2019-01-04 | 东莞市三臻科技发展有限公司 | 一种基于SiC的负极材料及锂离子电池 |
CN109698077A (zh) * | 2018-12-28 | 2019-04-30 | 上海奥威科技开发有限公司 | 一种多层负极片及其制备方法与超级电容器 |
CN109817946A (zh) * | 2019-03-01 | 2019-05-28 | 湖北锂诺新能源科技有限公司 | 多层硅负极材料及其制备方法与锂离子电池 |
CN111613774A (zh) * | 2020-05-29 | 2020-09-01 | 珠海冠宇电池股份有限公司 | 一种负极片及其制备方法和应用 |
CN111900356A (zh) * | 2020-08-13 | 2020-11-06 | 珠海冠宇电池股份有限公司 | 一种负极片及包括该负极片的锂离子电池 |
CN114050233A (zh) * | 2021-11-25 | 2022-02-15 | 珠海冠宇电池股份有限公司 | 一种负极极片及电池 |
US11283062B2 (en) | 2017-08-18 | 2022-03-22 | Lg Energy Solution, Ltd. | Negative electrode for lithium secondary battery and lithium secondary battery comprising same |
CN114725312A (zh) * | 2022-04-29 | 2022-07-08 | 三一技术装备有限公司 | 干法极片及其制备方法 |
CN114784220A (zh) * | 2022-04-29 | 2022-07-22 | 三一技术装备有限公司 | 干法电极制备方法 |
CN114824177A (zh) * | 2022-03-24 | 2022-07-29 | 合肥国轩高科动力能源有限公司 | 一种硅负极复合极片的制备方法 |
US20220328827A1 (en) * | 2020-11-02 | 2022-10-13 | Sk Innovation Co., Ltd. | Negative Electrode for Secondary Battery and Secondary Battery Including the Same |
WO2024026654A1 (zh) * | 2022-08-02 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | 负极极片、二次电池及用电装置 |
US12002949B2 (en) | 2017-12-01 | 2024-06-04 | Lg Energy Solution, Ltd. | Negative electrode and secondary battery including the same |
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JP2011124028A (ja) * | 2009-12-09 | 2011-06-23 | Hitachi Zosen Corp | 全固体リチウムイオン二次電池の製造方法 |
CN102694200A (zh) * | 2012-05-22 | 2012-09-26 | 中南大学 | 一种硅基负极锂离子电池及其制造方法 |
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CN101373826A (zh) * | 2007-08-24 | 2009-02-25 | 比亚迪股份有限公司 | 硅负极和包括该负极的锂离子二次电池及它们的制备方法 |
JP2011124028A (ja) * | 2009-12-09 | 2011-06-23 | Hitachi Zosen Corp | 全固体リチウムイオン二次電池の製造方法 |
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Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105977447B (zh) * | 2016-07-21 | 2018-08-21 | 苏州协鑫集成科技工业应用研究院有限公司 | 负极片及其制备方法及电池 |
CN105977447A (zh) * | 2016-07-21 | 2016-09-28 | 苏州协鑫集成科技工业应用研究院有限公司 | 负极片及其制备方法及电池 |
CN106560943A (zh) * | 2016-08-17 | 2017-04-12 | 深圳市优特利电源有限公司 | 硅碳负电极及其制备方法和锂离子电池 |
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