CN103050733A - Electrolyte for battery - Google Patents
Electrolyte for battery Download PDFInfo
- Publication number
- CN103050733A CN103050733A CN2012105831549A CN201210583154A CN103050733A CN 103050733 A CN103050733 A CN 103050733A CN 2012105831549 A CN2012105831549 A CN 2012105831549A CN 201210583154 A CN201210583154 A CN 201210583154A CN 103050733 A CN103050733 A CN 103050733A
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- CN
- China
- Prior art keywords
- carbonate
- electrolyte
- percent
- battery
- electrolytic salt
- 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.)
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Classifications
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- 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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- Secondary Cells (AREA)
Abstract
The invention provides an electrolyte for a battery. The electrolyte is made of a lithium ion secondary battery electrolyte material, is formed by a carbonic ester solvent and electrolyte salt and is characterized in that the carbonic ester solvent comprises the following materials in component ratio: 20 to 30 percent of ethylene carbonate, 10 to 20 percent of propylene carbonate, 10 to 20 percent of dimethyl carbonate, 10 to 20 percent of diethyl carbonate and 10 to 20 percent of ethyl methyl carbonate; and the electrolyte salt is lithium Hexafluorophosphate with concentration of 10 to 20 percent. In addition, the electrolyte can also comprise a sulfur-containing additive.
Description
Technical field
The present invention relates to a kind of electrolyte for battery.
Background technology
Development and progress along with science and technology, especially the needs of energy-conserving and environment-protective, so that more and more higher to the requirement of energy-saving automobile especially electric automobile, but the battery technology of present electric automobile can't satisfy the needs of development, the jumbo batteries of electric automobile of novel high-performance has been subject to paying close attention to widely, in the urgent need to the electrolyte material in a kind of battery that can store a large amount of electric power, the especially battery.
Summary of the invention
The invention provides a kind of electrolyte for battery, this electrolyte material is the electrolyte of lithium-ion secondary battery material, it is made of carbonates solvent and electrolytic salt, it is characterized in that, the carbonates solvent comprises the ethylene carbonate of the material of following ratio of component: 20-30%, the propene carbonate of 10-20%, the dimethyl carbonate of 10-20%, the diethyl carbonate of 10-20%, the methyl ethyl carbonate of 10-20%; Electrolytic salt is the 10-20% lithium hexafluoro phosphate.In addition, can also comprise sulfur-containing additive.
Beneficial effect
The present invention has improved discharge capacity, has also significantly improved life-span and the efficiency for charge-discharge of battery.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Should be used for the electrolyte of battery, it is made of carbonates solvent and electrolytic salt, and the carbonates solvent comprises the material of following ratio of component: 20% ethylene carbonate, 20% propene carbonate, 10% dimethyl carbonate, 20% diethyl carbonate, 10% methyl ethyl carbonate; Electrolytic salt is 20% lithium hexafluoro phosphate.
Embodiment 2
Should be used for the electrolyte of battery, it is made of carbonates solvent and electrolytic salt, and the carbonates solvent comprises the material of following ratio of component: 30% ethylene carbonate, 10% propene carbonate, 20% dimethyl carbonate, 10% diethyl carbonate, 20% methyl ethyl carbonate; Electrolytic salt is 10% lithium hexafluoro phosphate.
Embodiment 3
Should be used for the electrolyte of battery, it is made of carbonates solvent and electrolytic salt, and the carbonates solvent comprises the material of following ratio of component: 25% ethylene carbonate, 15% propene carbonate, 15% dimethyl carbonate, 15% diethyl carbonate, 15% methyl ethyl carbonate; Electrolytic salt is 15% lithium hexafluoro phosphate.
Embodiment 4
Should be used for the electrolyte of battery, it is made of carbonates solvent and electrolytic salt, and the carbonates solvent comprises the material of following ratio of component: 25% ethylene carbonate, 15% propene carbonate, 15% dimethyl carbonate, 15% diethyl carbonate, 15% methyl ethyl carbonate; Electrolytic salt is 13% lithium hexafluoro phosphate, can also comprise containing 2% sulfur additives, and additive is sulfur dioxide, sulfur dichloride.
Claims (3)
1. electrolyte that is used for battery, it is made of carbonates solvent and electrolytic salt, the carbonates solvent comprises the ethylene carbonate of the material of following ratio of component: 20-30%, the propene carbonate of 10-20%, the dimethyl carbonate of 10-20%, the diethyl carbonate of 10-20%, the methyl ethyl carbonate of 10-20%; Electrolytic salt is the 10-20% lithium hexafluoro phosphate.
2. electrolyte as claimed in claim 1, the carbonates solvent comprises the material of following ratio of component: 25% ethylene carbonate, 15% propene carbonate, 15% dimethyl carbonate, 15% diethyl carbonate, 15% methyl ethyl carbonate; Electrolytic salt is 15% lithium hexafluoro phosphate.
3. electrolyte as claimed in claim 1, the carbonates solvent comprises the material of following ratio of component: 25% ethylene carbonate, 15% propene carbonate, 15% dimethyl carbonate, 15% diethyl carbonate, 15% methyl ethyl carbonate; Electrolytic salt is 13% lithium hexafluoro phosphate, can also comprise containing 2% sulfur additives, and additive is sulfur dioxide, sulfur dichloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105831549A CN103050733A (en) | 2012-12-28 | 2012-12-28 | Electrolyte for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105831549A CN103050733A (en) | 2012-12-28 | 2012-12-28 | Electrolyte for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103050733A true CN103050733A (en) | 2013-04-17 |
Family
ID=48063295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105831549A Pending CN103050733A (en) | 2012-12-28 | 2012-12-28 | Electrolyte for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103050733A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157908A (en) * | 2014-08-20 | 2014-11-19 | 厦门大学 | Lithium salt electrolyte, preparation method and application thereof |
| CN110176622A (en) * | 2019-05-15 | 2019-08-27 | 华南理工大学 | A kind of lithium metal secondary battery electrolyte and the preparation method and application thereof |
| CN110770382A (en) * | 2017-07-18 | 2020-02-07 | 宇部爱科喜模株式会社 | Nonwoven fabric and battery separator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339846A (en) * | 2001-09-25 | 2002-03-13 | 天津化工研究设计院 | Lithium secondary cell electrolyte |
| CN1976111A (en) * | 2006-12-08 | 2007-06-06 | 中国科学院上海微系统与信息技术研究所 | Lithium ion battery electrolyte and constitutive lithium ion battery |
| CN102332603A (en) * | 2011-03-09 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery |
-
2012
- 2012-12-28 CN CN2012105831549A patent/CN103050733A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339846A (en) * | 2001-09-25 | 2002-03-13 | 天津化工研究设计院 | Lithium secondary cell electrolyte |
| CN1976111A (en) * | 2006-12-08 | 2007-06-06 | 中国科学院上海微系统与信息技术研究所 | Lithium ion battery electrolyte and constitutive lithium ion battery |
| CN102332603A (en) * | 2011-03-09 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157908A (en) * | 2014-08-20 | 2014-11-19 | 厦门大学 | Lithium salt electrolyte, preparation method and application thereof |
| CN110770382A (en) * | 2017-07-18 | 2020-02-07 | 宇部爱科喜模株式会社 | Nonwoven fabric and battery separator |
| CN110176622A (en) * | 2019-05-15 | 2019-08-27 | 华南理工大学 | A kind of lithium metal secondary battery electrolyte and the preparation method and application thereof |
| CN110176622B (en) * | 2019-05-15 | 2022-05-24 | 华南理工大学 | Lithium metal secondary battery electrolyte and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130417 |