CN115036492B - 锂离子电池表面改性硅负极材料的制备方法、产品及应用 - Google Patents
锂离子电池表面改性硅负极材料的制备方法、产品及应用 Download PDFInfo
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- CN115036492B CN115036492B CN202210826692.XA CN202210826692A CN115036492B CN 115036492 B CN115036492 B CN 115036492B CN 202210826692 A CN202210826692 A CN 202210826692A CN 115036492 B CN115036492 B CN 115036492B
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- ion battery
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- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000010405 anode material Substances 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 71
- 239000002131 composite material Substances 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 16
- -1 biphenyl lithium-tetrahydrofuran Chemical compound 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 14
- 239000007773 negative electrode material Substances 0.000 claims description 14
- 239000011863 silicon-based powder Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 22
- 229910052710 silicon Inorganic materials 0.000 abstract description 21
- 239000010703 silicon Substances 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 150000003376 silicon Chemical class 0.000 abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 abstract description 8
- 229910052711 selenium Inorganic materials 0.000 abstract description 6
- 239000011669 selenium Substances 0.000 description 35
- 229920002239 polyacrylonitrile Polymers 0.000 description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 12
- 239000011889 copper foil Substances 0.000 description 12
- 239000002002 slurry Substances 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000001291 vacuum drying Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 230000001351 cycling effect Effects 0.000 description 3
- 238000006138 lithiation reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011856 silicon-based particle Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 1
- 229910018077 Li 15 Si 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007784 solid electrolyte 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
- H01M4/366—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
-
- 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
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
Abstract
Description
Claims (7)
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CN202210826692.XA CN115036492B (zh) | 2022-07-14 | 2022-07-14 | 锂离子电池表面改性硅负极材料的制备方法、产品及应用 |
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CN202210826692.XA CN115036492B (zh) | 2022-07-14 | 2022-07-14 | 锂离子电池表面改性硅负极材料的制备方法、产品及应用 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107112507A (zh) * | 2014-10-30 | 2017-08-29 | 科罗拉多州立大学董事会(法人团体) | 稳定的硅‑离子液体界面锂离子电池组 |
CN110061286A (zh) * | 2019-04-30 | 2019-07-26 | 郑州中科新兴产业技术研究院 | 一种具有预锂化效应的高能量密度锂离子电池及其制备方法 |
CN110120496A (zh) * | 2018-02-05 | 2019-08-13 | 武汉大学 | 一种锂离子电池负极及其预锂化方法和应用 |
CN111640929A (zh) * | 2020-06-02 | 2020-09-08 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种有机无机有序sei层修饰锂金属的制备方法及其在电化学领域中的用途 |
CN111883823A (zh) * | 2020-06-10 | 2020-11-03 | 华南理工大学 | 一种复合聚合物固态电解质材料及其制备方法和应用 |
-
2022
- 2022-07-14 CN CN202210826692.XA patent/CN115036492B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107112507A (zh) * | 2014-10-30 | 2017-08-29 | 科罗拉多州立大学董事会(法人团体) | 稳定的硅‑离子液体界面锂离子电池组 |
CN110120496A (zh) * | 2018-02-05 | 2019-08-13 | 武汉大学 | 一种锂离子电池负极及其预锂化方法和应用 |
CN110061286A (zh) * | 2019-04-30 | 2019-07-26 | 郑州中科新兴产业技术研究院 | 一种具有预锂化效应的高能量密度锂离子电池及其制备方法 |
CN111640929A (zh) * | 2020-06-02 | 2020-09-08 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种有机无机有序sei层修饰锂金属的制备方法及其在电化学领域中的用途 |
CN111883823A (zh) * | 2020-06-10 | 2020-11-03 | 华南理工大学 | 一种复合聚合物固态电解质材料及其制备方法和应用 |
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