CN111106351B - 负极补锂添加剂及其制备方法 - Google Patents
负极补锂添加剂及其制备方法 Download PDFInfo
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- CN111106351B CN111106351B CN201911393038.9A CN201911393038A CN111106351B CN 111106351 B CN111106351 B CN 111106351B CN 201911393038 A CN201911393038 A CN 201911393038A CN 111106351 B CN111106351 B CN 111106351B
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- silicon
- lithium
- lithium silicate
- composite material
- negative electrode
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000000654 additive Substances 0.000 title claims abstract description 22
- 230000000996 additive effect Effects 0.000 title claims abstract description 22
- 239000013589 supplement Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910052912 lithium silicate Inorganic materials 0.000 claims abstract description 65
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 37
- ZVLDJSZFKQJMKD-UHFFFAOYSA-N [Li].[Si] Chemical compound [Li].[Si] ZVLDJSZFKQJMKD-UHFFFAOYSA-N 0.000 claims abstract description 35
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005245 sintering Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 9
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 8
- 238000000498 ball milling Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000000713 high-energy ball milling Methods 0.000 claims abstract description 7
- 238000001513 hot isostatic pressing Methods 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000000967 suction filtration Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 4
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 239000010426 asphalt Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 abstract description 7
- YTZVWGRNMGHDJE-UHFFFAOYSA-N tetralithium;silicate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-][Si]([O-])([O-])[O-] YTZVWGRNMGHDJE-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000009830 intercalation Methods 0.000 description 5
- 230000002687 intercalation Effects 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 239000010406 cathode material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000006138 lithiation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- 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
- 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
- H01M4/62—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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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| CN201911393038.9A CN111106351B (zh) | 2019-12-30 | 2019-12-30 | 负极补锂添加剂及其制备方法 |
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| CN111106351A CN111106351A (zh) | 2020-05-05 |
| CN111106351B true CN111106351B (zh) | 2022-05-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467122B (zh) * | 2020-12-03 | 2023-01-31 | 松山湖材料实验室 | 正硅酸锂复合材料及其制备方法和应用 |
| CN114695868A (zh) * | 2020-12-31 | 2022-07-01 | 北京卫蓝新能源科技有限公司 | 一种硅基预锂化材料及其制备方法和应用 |
| CN113948688B (zh) * | 2021-09-30 | 2023-06-09 | 浙江锂宸新材料科技有限公司 | 一种改性预锂化硅氧复合材料及其制备方法和应用 |
| CN114744166A (zh) * | 2022-02-25 | 2022-07-12 | 深圳市翔丰华科技股份有限公司 | 预锂化硅氧复合材料的制备方法 |
| CN115207330A (zh) * | 2022-08-25 | 2022-10-18 | 苏州佩瓦能源科技有限公司 | 一种含锂硅氧负极材料及其制造方法 |
| CN115775871B (zh) * | 2022-11-23 | 2025-10-21 | 长沙矿冶研究院有限责任公司 | 一种双层包覆型硅基负极材料及其制备方法 |
| CN118666287B (zh) * | 2024-08-23 | 2024-11-29 | 四川金汇能新材料股份有限公司 | 纳米硅晶簇原位负载硅酸锂负极材料及其制备方法和电池 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100036478A (ko) * | 2008-09-30 | 2010-04-08 | 한국전기연구원 | 음극 활물질의 제조방법, 그 음극 활물질 및 이를 구비한 리튬이차전지 |
| CN108269979A (zh) * | 2017-12-28 | 2018-07-10 | 合肥国轩高科动力能源有限公司 | 一种氧化亚硅/硅/偏硅酸锂复合负极材料及其制备方法 |
| CN109786733A (zh) * | 2019-03-25 | 2019-05-21 | 中国科学院宁波材料技术与工程研究所 | 一种锂离子电池负极材料、其制备方法及锂离子电池 |
| WO2019130787A1 (ja) * | 2017-12-28 | 2019-07-04 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池用負極活物質 |
| CN110100347A (zh) * | 2016-12-28 | 2019-08-06 | 松下知识产权经营株式会社 | 非水电解质二次电池 |
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- 2019-12-30 CN CN201911393038.9A patent/CN111106351B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100036478A (ko) * | 2008-09-30 | 2010-04-08 | 한국전기연구원 | 음극 활물질의 제조방법, 그 음극 활물질 및 이를 구비한 리튬이차전지 |
| CN110100347A (zh) * | 2016-12-28 | 2019-08-06 | 松下知识产权经营株式会社 | 非水电解质二次电池 |
| CN108269979A (zh) * | 2017-12-28 | 2018-07-10 | 合肥国轩高科动力能源有限公司 | 一种氧化亚硅/硅/偏硅酸锂复合负极材料及其制备方法 |
| WO2019130787A1 (ja) * | 2017-12-28 | 2019-07-04 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池用負極活物質 |
| CN109786733A (zh) * | 2019-03-25 | 2019-05-21 | 中国科学院宁波材料技术与工程研究所 | 一种锂离子电池负极材料、其制备方法及锂离子电池 |
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