CN113659213B - 一种低温电解液及应用 - Google Patents
一种低温电解液及应用 Download PDFInfo
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- CN113659213B CN113659213B CN202110942303.5A CN202110942303A CN113659213B CN 113659213 B CN113659213 B CN 113659213B CN 202110942303 A CN202110942303 A CN 202110942303A CN 113659213 B CN113659213 B CN 113659213B
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 73
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 51
- 239000002904 solvent Substances 0.000 claims abstract description 46
- XGLLQDIWQRQROJ-UHFFFAOYSA-N methyl 3,3,3-trifluoro-2-oxopropanoate Chemical compound COC(=O)C(=O)C(F)(F)F XGLLQDIWQRQROJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229940017219 methyl propionate Drugs 0.000 claims abstract description 33
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims abstract description 31
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims abstract description 31
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 13
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 19
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 14
- 239000002033 PVDF binder Substances 0.000 claims description 10
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 10
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 claims description 8
- 239000011149 active material Substances 0.000 claims description 3
- 239000013543 active substance Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 40
- 238000000034 method Methods 0.000 description 28
- 238000005096 rolling process Methods 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000007787 solid Substances 0.000 description 17
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 16
- 239000011267 electrode slurry Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000003466 welding Methods 0.000 description 16
- 239000012046 mixed solvent Substances 0.000 description 12
- 229910013872 LiPF Inorganic materials 0.000 description 9
- 101150058243 Lipf gene Proteins 0.000 description 9
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 9
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 9
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- -1 polypropylene Polymers 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005185 salting out Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000007086 side reaction Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
- H01M2300/0042—Four or more solvents
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
溶剂 | 熔点(℃) |
碳酸乙烯酯(EC) | 35至38 |
碳酸丙烯酯(PC) | -55 |
碳酸二乙酯(DEC) | -43 |
碳酸二甲酯(DMC) | 2至4 |
碳酸甲乙酯(EMC) | -14.5 |
溶剂 | 室温溶剂粘度(mPa·s) |
EC | 1.92(@40℃) |
PC | 2.5 |
FEC | 3.95 |
MP | 0.42 |
MTFP | 0.53 |
FEC添加量 | DCR(1C-1s放电) |
0% | 56.3mΩ |
5% | 45.2mΩ |
10% | 28.5mΩ |
Claims (3)
Priority Applications (1)
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CN202110942303.5A CN113659213B (zh) | 2021-08-17 | 2021-08-17 | 一种低温电解液及应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110942303.5A CN113659213B (zh) | 2021-08-17 | 2021-08-17 | 一种低温电解液及应用 |
Publications (2)
Publication Number | Publication Date |
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CN113659213A CN113659213A (zh) | 2021-11-16 |
CN113659213B true CN113659213B (zh) | 2023-12-01 |
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CN202110942303.5A Active CN113659213B (zh) | 2021-08-17 | 2021-08-17 | 一种低温电解液及应用 |
Country Status (1)
Country | Link |
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CN (1) | CN113659213B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008140760A (ja) * | 2006-06-14 | 2008-06-19 | Sanyo Electric Co Ltd | 二次電池用非水電解液及びこれを用いた非水電解液二次電池 |
CN102391113A (zh) * | 2011-08-05 | 2012-03-28 | 巨化集团公司 | 一种合成三氟丙酮酸酯类化合物的方法 |
CN103078141A (zh) * | 2013-01-25 | 2013-05-01 | 宁德新能源科技有限公司 | 锂离子二次电池及其电解液 |
CN106410144A (zh) * | 2016-11-02 | 2017-02-15 | 天津市捷威动力工业有限公司 | 一种改善低温充电性能的锂离子电池 |
CN107706455A (zh) * | 2017-09-20 | 2018-02-16 | 惠州亿纬锂能股份有限公司 | 一种兼顾高低温性能的高电压倍率电解液及使用该电解液的锂离子电池 |
CN108232297A (zh) * | 2016-12-15 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | 电解液及二次电池 |
CN112002892A (zh) * | 2020-08-20 | 2020-11-27 | 天津空间电源科技有限公司 | 一种具有快充性能的圆柱形锂离子电池 |
CN112289975A (zh) * | 2020-10-12 | 2021-01-29 | 常州高态信息科技有限公司 | 一种低温锂离子电池 |
-
2021
- 2021-08-17 CN CN202110942303.5A patent/CN113659213B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008140760A (ja) * | 2006-06-14 | 2008-06-19 | Sanyo Electric Co Ltd | 二次電池用非水電解液及びこれを用いた非水電解液二次電池 |
CN102391113A (zh) * | 2011-08-05 | 2012-03-28 | 巨化集团公司 | 一种合成三氟丙酮酸酯类化合物的方法 |
CN103078141A (zh) * | 2013-01-25 | 2013-05-01 | 宁德新能源科技有限公司 | 锂离子二次电池及其电解液 |
CN106410144A (zh) * | 2016-11-02 | 2017-02-15 | 天津市捷威动力工业有限公司 | 一种改善低温充电性能的锂离子电池 |
CN108232297A (zh) * | 2016-12-15 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | 电解液及二次电池 |
CN107706455A (zh) * | 2017-09-20 | 2018-02-16 | 惠州亿纬锂能股份有限公司 | 一种兼顾高低温性能的高电压倍率电解液及使用该电解液的锂离子电池 |
CN112002892A (zh) * | 2020-08-20 | 2020-11-27 | 天津空间电源科技有限公司 | 一种具有快充性能的圆柱形锂离子电池 |
CN112289975A (zh) * | 2020-10-12 | 2021-01-29 | 常州高态信息科技有限公司 | 一种低温锂离子电池 |
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