CN113851725A - Fast-charging electrolyte and application thereof - Google Patents
Fast-charging electrolyte and application thereof Download PDFInfo
- Publication number
- CN113851725A CN113851725A CN202111093514.2A CN202111093514A CN113851725A CN 113851725 A CN113851725 A CN 113851725A CN 202111093514 A CN202111093514 A CN 202111093514A CN 113851725 A CN113851725 A CN 113851725A
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- CN
- China
- Prior art keywords
- lithium
- fast
- charging
- electrolyte
- carbonate
- Prior art date
- 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.)
- Granted
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 41
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 24
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 23
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 20
- -1 allyloxy trimethyl silicon Chemical compound 0.000 claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 20
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims abstract description 17
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 15
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 19
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000011149 active material Substances 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- DEUISMFZZMAAOJ-UHFFFAOYSA-N lithium dihydrogen borate oxalic acid Chemical compound B([O-])(O)O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] DEUISMFZZMAAOJ-UHFFFAOYSA-N 0.000 claims 1
- 238000013508 migration Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 9
- 229910001290 LiPF6 Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical group [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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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
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0563—Liquid materials, e.g. for Li-SOCl2 cells
-
- 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
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M2300/004—Three solvents
-
- 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
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
Group of | Conductivity (S/cm) |
Comparative example | 6.4 |
Example 1 | 7.7 |
Example 2 | 7.8 |
Example 3 | 7.9 |
Example 4 | 8.1 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111093514.2A CN113851725B (en) | 2021-09-17 | 2021-09-17 | Quick-charging electrolyte and application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111093514.2A CN113851725B (en) | 2021-09-17 | 2021-09-17 | Quick-charging electrolyte and application |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113851725A true CN113851725A (en) | 2021-12-28 |
CN113851725B CN113851725B (en) | 2023-10-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202111093514.2A Active CN113851725B (en) | 2021-09-17 | 2021-09-17 | Quick-charging electrolyte and application |
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CN (1) | CN113851725B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108063280A (en) * | 2017-12-23 | 2018-05-22 | 清远佳致新材料研究院有限公司 | Lithium-ion battery electrolytes |
CN108470939A (en) * | 2018-03-31 | 2018-08-31 | 广东天劲新能源科技股份有限公司 | A kind of heat safe electrolyte of big multiplying power and lithium ion battery |
CN110190331A (en) * | 2019-06-18 | 2019-08-30 | 郑州中科新兴产业技术研究院 | A kind of electrolyte, preparation and its application on firm lithium ion battery silicon-carbon surface |
CN111048833A (en) * | 2019-10-30 | 2020-04-21 | 深圳市卓能新能源股份有限公司 | High-voltage electrolyte and high-voltage lithium ion power battery |
CN111987362A (en) * | 2020-10-09 | 2020-11-24 | 昆山宝创新能源科技有限公司 | Lithium ion battery electrolyte and preparation method and application thereof |
-
2021
- 2021-09-17 CN CN202111093514.2A patent/CN113851725B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108063280A (en) * | 2017-12-23 | 2018-05-22 | 清远佳致新材料研究院有限公司 | Lithium-ion battery electrolytes |
CN108470939A (en) * | 2018-03-31 | 2018-08-31 | 广东天劲新能源科技股份有限公司 | A kind of heat safe electrolyte of big multiplying power and lithium ion battery |
CN110190331A (en) * | 2019-06-18 | 2019-08-30 | 郑州中科新兴产业技术研究院 | A kind of electrolyte, preparation and its application on firm lithium ion battery silicon-carbon surface |
CN111048833A (en) * | 2019-10-30 | 2020-04-21 | 深圳市卓能新能源股份有限公司 | High-voltage electrolyte and high-voltage lithium ion power battery |
CN111987362A (en) * | 2020-10-09 | 2020-11-24 | 昆山宝创新能源科技有限公司 | Lithium ion battery electrolyte and preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN113851725B (en) | 2023-10-10 |
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PB01 | Publication | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20230411 Address after: 226001 room 16010, building 21 (22), No. 1692, Xinghu Avenue, development zone, Nantong City, Jiangsu Province Applicant after: Nantong saide Energy Co.,Ltd. Address before: 213000 No.2 Hongyang Road, Tianning District, Changzhou City, Jiangsu Province Applicant before: Changzhou saide Energy Technology Co.,Ltd. |
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Effective date of registration: 20240325 Granted publication date: 20231010 |
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Date of cancellation: 20240521 Granted publication date: 20231010 |
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TR01 | Transfer of patent right |
Effective date of registration: 20240611 Address after: Room 402-1, Door 5, Building 2, No. 6 Zhuyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin, 300000 Patentee after: Tianjin Guangcaiweiye Technology Co.,Ltd. Country or region after: China Address before: 226001 room 16010, building 21 (22), No. 1692, Xinghu Avenue, development zone, Nantong City, Jiangsu Province Patentee before: Nantong saide Energy Co.,Ltd. Country or region before: China |