CN109713221A - 一种改善锂离子电池负极性能的方法 - Google Patents
一种改善锂离子电池负极性能的方法 Download PDFInfo
- Publication number
- CN109713221A CN109713221A CN201811607941.6A CN201811607941A CN109713221A CN 109713221 A CN109713221 A CN 109713221A CN 201811607941 A CN201811607941 A CN 201811607941A CN 109713221 A CN109713221 A CN 109713221A
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- Prior art keywords
- negative electrode
- lithium
- electrode tab
- ion battery
- lithium ion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 40
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003792 electrolyte Substances 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 9
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000004528 spin coating Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- -1 fluoro Alkane Chemical class 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 150000001924 cycloalkanes Chemical class 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 21
- 229910003002 lithium salt Inorganic materials 0.000 description 8
- 159000000002 lithium salts Chemical class 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 6
- 230000004087 circulation Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 239000012496 blank sample Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000000840 electrochemical analysis Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN201811607941.6A CN109713221B (zh) | 2018-12-27 | 2018-12-27 | 一种改善锂离子电池负极性能的方法 |
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CN201811607941.6A CN109713221B (zh) | 2018-12-27 | 2018-12-27 | 一种改善锂离子电池负极性能的方法 |
Publications (2)
Publication Number | Publication Date |
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CN109713221A true CN109713221A (zh) | 2019-05-03 |
CN109713221B CN109713221B (zh) | 2021-06-08 |
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CN201811607941.6A Active CN109713221B (zh) | 2018-12-27 | 2018-12-27 | 一种改善锂离子电池负极性能的方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111533115A (zh) * | 2020-04-15 | 2020-08-14 | 重庆大学 | 一种高容量高循环效率的硅基/石墨烯纳米带复合材料及其制备方法 |
CN113036069A (zh) * | 2021-02-25 | 2021-06-25 | 湖北亿纬动力有限公司 | 一种提升锂电池容量和稳定性的方法、涂覆装置和用途 |
CN114464778A (zh) * | 2022-01-18 | 2022-05-10 | 清华大学 | 用于制备负极极片的方法、负极极片、二次电池 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102856532A (zh) * | 2012-08-21 | 2013-01-02 | 东莞新能源科技有限公司 | 一种锂离子电池富锂阳极片的制备方法 |
CN107644980A (zh) * | 2016-12-28 | 2018-01-30 | 湖南大学 | 预嵌锂硬炭材料及其制备方法和应用 |
WO2018094101A1 (en) * | 2016-11-16 | 2018-05-24 | Sillion, Inc. | Additive enhancements for ionic liquid electrolytes in li-ion batteries |
CN108417774A (zh) * | 2018-02-23 | 2018-08-17 | 江西安驰新能源科技有限公司 | 一种具有预锂化效应的负极浆料合浆工艺及锂电池 |
-
2018
- 2018-12-27 CN CN201811607941.6A patent/CN109713221B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102856532A (zh) * | 2012-08-21 | 2013-01-02 | 东莞新能源科技有限公司 | 一种锂离子电池富锂阳极片的制备方法 |
WO2018094101A1 (en) * | 2016-11-16 | 2018-05-24 | Sillion, Inc. | Additive enhancements for ionic liquid electrolytes in li-ion batteries |
CN107644980A (zh) * | 2016-12-28 | 2018-01-30 | 湖南大学 | 预嵌锂硬炭材料及其制备方法和应用 |
CN108417774A (zh) * | 2018-02-23 | 2018-08-17 | 江西安驰新能源科技有限公司 | 一种具有预锂化效应的负极浆料合浆工艺及锂电池 |
Non-Patent Citations (1)
Title |
---|
JIE ZHAO等: ""Artificial Solid Electrolyte Interphase-Protected LixSi Nanoparticles:An Efficient and Stable Prelithiation Reagent for Lithium-Ion Batteries"", 《JOURNAL OF THE AMERICAN CHEMICAL SOCIETY》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111533115A (zh) * | 2020-04-15 | 2020-08-14 | 重庆大学 | 一种高容量高循环效率的硅基/石墨烯纳米带复合材料及其制备方法 |
CN111533115B (zh) * | 2020-04-15 | 2022-06-28 | 重庆锦添翼新能源科技有限公司 | 一种高容量高循环效率的硅基/石墨烯纳米带复合材料及其制备方法 |
CN113036069A (zh) * | 2021-02-25 | 2021-06-25 | 湖北亿纬动力有限公司 | 一种提升锂电池容量和稳定性的方法、涂覆装置和用途 |
CN113036069B (zh) * | 2021-02-25 | 2022-07-12 | 湖北亿纬动力有限公司 | 一种提升锂电池容量和稳定性的方法、涂覆装置和用途 |
CN114464778A (zh) * | 2022-01-18 | 2022-05-10 | 清华大学 | 用于制备负极极片的方法、负极极片、二次电池 |
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Publication number | Publication date |
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CN109713221B (zh) | 2021-06-08 |
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Address after: 710077 Shaanxi Coal Industry Chemical Group Co., Ltd. No. 2 Jinye Road, Xi'an High-tech Zone, Shaanxi Province Applicant after: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. Address before: Room 807, Jinling Building, 59 Aerospace Avenue, Chang'an District, Xi'an City, Shaanxi Province Applicant before: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. |
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Effective date of registration: 20240201 Address after: 710061 3rd Floor, No. 88 Aerospace East Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province Patentee after: Shaanxi Qingke Energy Technology Co.,Ltd. Country or region after: China Address before: 710077 Shaanxi Coal Industry Chemical Group Co., Ltd. No. 2 Jinye Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. Country or region before: China |