CN106025222B - 一种包覆的硅/碳/石墨复合负极材料的制备方法 - Google Patents
一种包覆的硅/碳/石墨复合负极材料的制备方法 Download PDFInfo
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- CN106025222B CN106025222B CN201610470701.0A CN201610470701A CN106025222B CN 106025222 B CN106025222 B CN 106025222B CN 201610470701 A CN201610470701 A CN 201610470701A CN 106025222 B CN106025222 B CN 106025222B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 64
- 239000010439 graphite Substances 0.000 title claims abstract description 64
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 55
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 55
- 239000010703 silicon Substances 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000005253 cladding Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 70
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 238000000498 ball milling Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 229910052786 argon Inorganic materials 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 5
- 238000001694 spray drying Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 9
- 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 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- -1 Kynoar Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 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 2
- 229920002907 Guar gum Polymers 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 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 claims description 2
- 229930006000 Sucrose Natural products 0.000 claims description 2
- 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 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims description 2
- 239000000665 guar gum Substances 0.000 claims description 2
- 235000010417 guar gum Nutrition 0.000 claims description 2
- 229960002154 guar gum Drugs 0.000 claims description 2
- 229910021382 natural graphite Inorganic materials 0.000 claims description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229940068984 polyvinyl alcohol Drugs 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 239000000661 sodium alginate Substances 0.000 claims description 2
- 235000010413 sodium alginate Nutrition 0.000 claims description 2
- 229940005550 sodium alginate Drugs 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 2
- 239000005720 sucrose Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 2
- 239000004925 Acrylic resin Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000010408 film Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 229910021487 silica fume Inorganic materials 0.000 description 4
- 239000011856 silicon-based particle Substances 0.000 description 4
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011268 mixed slurry Substances 0.000 description 3
- 239000002153 silicon-carbon composite material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000713 high-energy ball milling Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005979 thermal decomposition reaction 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610470701.0A CN106025222B (zh) | 2016-06-24 | 2016-06-24 | 一种包覆的硅/碳/石墨复合负极材料的制备方法 |
Applications Claiming Priority (1)
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CN201610470701.0A CN106025222B (zh) | 2016-06-24 | 2016-06-24 | 一种包覆的硅/碳/石墨复合负极材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN106025222A CN106025222A (zh) | 2016-10-12 |
CN106025222B true CN106025222B (zh) | 2018-12-07 |
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CN201610470701.0A Active CN106025222B (zh) | 2016-06-24 | 2016-06-24 | 一种包覆的硅/碳/石墨复合负极材料的制备方法 |
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109285995A (zh) * | 2017-07-21 | 2019-01-29 | 北京碳极极电科技有限公司 | 一种石墨烯锂离子电池负极复合材料的制备方法 |
CN108899529B (zh) * | 2018-07-18 | 2021-05-18 | 绍兴文理学院 | 一种硅基复合材料的制备方法 |
CN110858642B (zh) * | 2018-08-24 | 2021-12-28 | 荣盛盟固利新能源科技股份有限公司 | 一种硅/石墨/固态电解质复合负极材料的制备方法 |
CN109449421B (zh) * | 2018-11-09 | 2020-07-21 | 广东省稀有金属研究所 | 一种锂离子电池硅基合金复合负极材料及其制备方法 |
CN110247023B (zh) * | 2019-06-13 | 2020-09-08 | 华中科技大学 | 一种电池极片增强方法及相应极片 |
CN110697702B (zh) * | 2019-09-29 | 2021-08-10 | 长沙理工大学 | 一种炭笼式硅-石墨复合材料及其制备方法 |
KR102085938B1 (ko) * | 2019-11-04 | 2020-03-06 | 한국메탈실리콘 주식회사 | 실리콘 복합체 제조방법 |
CN110808364A (zh) * | 2019-11-15 | 2020-02-18 | 广东省稀有金属研究所 | 石墨烯硅基负极浆料、锂离子电池负极及其制备方法以及锂离子电池 |
CN112670489A (zh) * | 2019-12-16 | 2021-04-16 | 宁波杉杉新材料科技有限公司 | 硅碳复合材料、电极、锂离子电池及其制备方法和应用 |
CN111063875A (zh) * | 2019-12-25 | 2020-04-24 | 广东凯金新能源科技股份有限公司 | 一种海绵状多孔结构硅基复合材料及其制备方法 |
CN111438364A (zh) * | 2020-04-07 | 2020-07-24 | 广东凯金新能源科技股份有限公司 | 一种高首效硅基复合材料及其制备方法 |
CN112652770A (zh) * | 2020-12-21 | 2021-04-13 | 溧阳紫宸新材料科技有限公司 | 低比表面积的硅碳负极材料及其制备方法 |
CN113036109A (zh) * | 2021-03-12 | 2021-06-25 | 广州巨湾技研有限公司 | 一种高倍率硅碳负极微球的制备方法及高倍率硅碳负极微球 |
CN113363485B (zh) * | 2021-05-28 | 2022-05-13 | 万向一二三股份公司 | 一种锂电池的负极浆料及其制备方法 |
CN113422016A (zh) * | 2021-06-16 | 2021-09-21 | 内蒙古碳烯石墨新材料有限公司 | 一种锂离子电池用硅碳负极材料及其制备方法 |
CN113540467B (zh) * | 2021-07-20 | 2022-06-28 | 苏州华赢新能源材料科技有限公司 | 一种共混型聚乙烯醇基粘结剂及其制备方法和应用 |
CN113942991B (zh) * | 2021-09-13 | 2023-04-28 | 惠州市贝特瑞新材料科技有限公司 | 硅碳-石墨复合负极材料及其制备方法 |
CN114243017B (zh) * | 2021-12-14 | 2023-06-30 | 湖北亿纬动力有限公司 | 一种负极材料及其制备方法和用途 |
CN114824232B (zh) * | 2022-05-30 | 2023-10-03 | 常州大学 | 一种氮掺杂富含多孔的硅碳负极制备方法 |
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CN105609730A (zh) * | 2016-01-05 | 2016-05-25 | 广州有色金属研究院 | 一种硅/碳/石墨复合负极材料的制备方法 |
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CN103346305A (zh) * | 2013-07-01 | 2013-10-09 | 华南师范大学 | 人造石墨为载体的锂电池硅碳复合负极材料的制备和应用 |
CN104681797A (zh) * | 2015-02-09 | 2015-06-03 | 江苏中兴派能电池有限公司 | 一种硅碳复合负极电极的制备方法、锂离子电池 |
CN105609730A (zh) * | 2016-01-05 | 2016-05-25 | 广州有色金属研究院 | 一种硅/碳/石墨复合负极材料的制备方法 |
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