CN110783550B - 用于制备锂离子电池的炭硅复合负极材料及其制备方法 - Google Patents
用于制备锂离子电池的炭硅复合负极材料及其制备方法 Download PDFInfo
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- CN110783550B CN110783550B CN201911100496.9A CN201911100496A CN110783550B CN 110783550 B CN110783550 B CN 110783550B CN 201911100496 A CN201911100496 A CN 201911100496A CN 110783550 B CN110783550 B CN 110783550B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011868 silicon-carbon composite negative electrode material Substances 0.000 title description 3
- 239000011870 silicon-carbon composite anode material Substances 0.000 claims abstract description 57
- 239000002210 silicon-based material Substances 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 31
- 239000010703 silicon Substances 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 230000014759 maintenance of location Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 8
- 239000002159 nanocrystal Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 61
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 48
- 229910021426 porous silicon Inorganic materials 0.000 claims description 37
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 239000011889 copper foil Substances 0.000 claims description 25
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 24
- 229910052786 argon Inorganic materials 0.000 claims description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 22
- 241000252506 Characiformes Species 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 229910021423 nanocrystalline silicon Inorganic materials 0.000 claims description 16
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 15
- 239000012498 ultrapure water Substances 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 13
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 229910052573 porcelain Inorganic materials 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 238000004528 spin coating Methods 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 abstract description 9
- 230000002441 reversible effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000000758 substrate 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
- 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
-
- 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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Silicon Compounds (AREA)
Abstract
Description
实施例 | 循环300次的平均比容量(mAh/g) | 循环300次的容量保持率(%) |
实施例一 | 1109 | 90.11 |
实施例二 | 1138 | 91.23 |
实施例三 | 1145 | 89.65 |
Claims (4)
Priority Applications (1)
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CN201911100496.9A CN110783550B (zh) | 2019-11-12 | 2019-11-12 | 用于制备锂离子电池的炭硅复合负极材料及其制备方法 |
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CN201911100496.9A CN110783550B (zh) | 2019-11-12 | 2019-11-12 | 用于制备锂离子电池的炭硅复合负极材料及其制备方法 |
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CN110783550A CN110783550A (zh) | 2020-02-11 |
CN110783550B true CN110783550B (zh) | 2023-11-14 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148873A (zh) * | 2018-10-11 | 2019-01-04 | 厦门高容新能源科技有限公司 | 一种碳纳米管包覆的硅负极材料和负极片及其制备方法和锂离子电池 |
CN110380029A (zh) * | 2019-07-10 | 2019-10-25 | 泽晖新能源材料研究院(珠海)有限公司 | 锂电池用硅基负极材料及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6645781B1 (en) * | 2002-04-29 | 2003-11-11 | Texas Instruments Incorporated | Method to determine a complete etch in integrated devices |
EP1879247B1 (en) * | 2006-07-14 | 2011-09-21 | Korea Kumho Petrochemical Co. Ltd. | Anode active material for lithium secondary battery hybridized with carbon nano fibres |
US10714436B2 (en) * | 2012-12-12 | 2020-07-14 | Lam Research Corporation | Systems and methods for achieving uniformity across a redistribution layer |
-
2019
- 2019-11-12 CN CN201911100496.9A patent/CN110783550B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109148873A (zh) * | 2018-10-11 | 2019-01-04 | 厦门高容新能源科技有限公司 | 一种碳纳米管包覆的硅负极材料和负极片及其制备方法和锂离子电池 |
CN110380029A (zh) * | 2019-07-10 | 2019-10-25 | 泽晖新能源材料研究院(珠海)有限公司 | 锂电池用硅基负极材料及其制备方法 |
Non-Patent Citations (2)
Title |
---|
双金属纳米颗粒在硅基底上直接催化生长碳纳米管;孙丽丽 等;《化工时刊》;20080430;第22卷(第4期);第18-22页 * |
硅基底表面上多种形态碳纳米管的生长;孙丽丽 等;《电子显微学报》;20060831;第25卷(第4期);第324-327页 * |
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Address after: 519000, Building 1-77, No. 625 Xinsha Fifth Road, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province Patentee after: Changyuan New Energy Materials Research Institute (Guangdong) Co.,Ltd. Address before: 519000 No. 5, Keji 8th Road, Tangjiawan Town, high tech Zone, Zhuhai, Guangdong Patentee before: Changyuan Zehui New Energy Materials Research Institute (Zhuhai) Co.,Ltd. |