CN110380029A - 锂电池用硅基负极材料及其制备方法 - Google Patents
锂电池用硅基负极材料及其制备方法 Download PDFInfo
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- CN110380029A CN110380029A CN201910621614.4A CN201910621614A CN110380029A CN 110380029 A CN110380029 A CN 110380029A CN 201910621614 A CN201910621614 A CN 201910621614A CN 110380029 A CN110380029 A CN 110380029A
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- silicon
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- based anode
- prepared
- anode material
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 109
- 239000010703 silicon Substances 0.000 title claims abstract description 109
- 239000010405 anode material Substances 0.000 title claims abstract description 44
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000463 material Substances 0.000 claims abstract description 57
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 39
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 33
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 25
- 230000004087 circulation Effects 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 14
- 230000014759 maintenance of location Effects 0.000 claims abstract description 11
- 241000219991 Lythraceae Species 0.000 claims abstract description 10
- 235000014360 Punica granatum Nutrition 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002210 silicon-based material Substances 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 24
- 230000008021 deposition Effects 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 14
- 229910052709 silver Inorganic materials 0.000 claims description 13
- 239000004332 silver Substances 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 229910017604 nitric acid 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
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 229910052738 indium Inorganic materials 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 8
- 239000012498 ultrapure water Substances 0.000 claims description 8
- 238000001291 vacuum drying Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000011889 copper foil Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 229920005591 polysilicon Polymers 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 22
- 239000005543 nano-size silicon particle Substances 0.000 abstract description 8
- 239000003575 carbonaceous material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000002156 mixing Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch 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
- H01M4/364—Composites as mixtures
-
- 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
-
- 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
- H01M4/62—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
Abstract
Description
实施例 | 循环500次的平均比容量(mAh/g) | 循环500次的容量保持率(%) |
实施例一 | 1214 | 93.11 |
实施例二 | 1236 | 93.47 |
实施例三 | 1231 | 93.51 |
Claims (7)
Priority Applications (1)
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CN201910621614.4A CN110380029B (zh) | 2019-07-10 | 2019-07-10 | 锂电池用硅基负极材料及其制备方法 |
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CN201910621614.4A CN110380029B (zh) | 2019-07-10 | 2019-07-10 | 锂电池用硅基负极材料及其制备方法 |
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CN110380029A true CN110380029A (zh) | 2019-10-25 |
CN110380029B CN110380029B (zh) | 2022-03-25 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110783550A (zh) * | 2019-11-12 | 2020-02-11 | 泽晖新能源材料研究院(珠海)有限公司 | 用于制备锂离子电池的炭硅复合负极材料及其制备方法 |
CN111133614A (zh) * | 2019-12-30 | 2020-05-08 | 上海杉杉科技有限公司 | 硅基负极材料及其制备方法、锂离子电池 |
CN114639807A (zh) * | 2022-03-04 | 2022-06-17 | 东华大学 | 一种多孔硅纳米颗粒/多孔碳纳米纤维复合电极材料及其制备方法和应用 |
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US20100178565A1 (en) * | 2007-07-17 | 2010-07-15 | Mino Green | Method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110783550A (zh) * | 2019-11-12 | 2020-02-11 | 泽晖新能源材料研究院(珠海)有限公司 | 用于制备锂离子电池的炭硅复合负极材料及其制备方法 |
CN110783550B (zh) * | 2019-11-12 | 2023-11-14 | 长园泽晖新能源材料研究院(珠海)有限公司 | 用于制备锂离子电池的炭硅复合负极材料及其制备方法 |
CN111133614A (zh) * | 2019-12-30 | 2020-05-08 | 上海杉杉科技有限公司 | 硅基负极材料及其制备方法、锂离子电池 |
US11658292B2 (en) | 2019-12-30 | 2023-05-23 | Shanghai Shanshan Tech Co., Ltd. | Silicon-based anode material and preparation method thereof, lithium ion battery |
CN111133614B (zh) * | 2019-12-30 | 2024-02-23 | 上海杉杉科技有限公司 | 硅基负极材料及其制备方法、锂离子电池 |
CN114639807A (zh) * | 2022-03-04 | 2022-06-17 | 东华大学 | 一种多孔硅纳米颗粒/多孔碳纳米纤维复合电极材料及其制备方法和应用 |
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Address after: 519000 No. 5, Keji 8th Road, Tangjiawan Town, high tech Zone, Zhuhai, Guangdong Applicant after: Changyuan Zehui New Energy Materials Research Institute (Zhuhai) Co.,Ltd. Address before: 519060 zone F, first floor, plant 6, Pingdong Second Road, Nanping Science and Technology Industrial Park, Zhuhai, Guangdong Applicant before: Zehui New Energy Materials Research Institute (Zhuhai) Co.,Ltd. |
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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. |