CN103326066A - Lithium-ion battery electrolyte - Google Patents
Lithium-ion battery electrolyte Download PDFInfo
- Publication number
- CN103326066A CN103326066A CN201310232610XA CN201310232610A CN103326066A CN 103326066 A CN103326066 A CN 103326066A CN 201310232610X A CN201310232610X A CN 201310232610XA CN 201310232610 A CN201310232610 A CN 201310232610A CN 103326066 A CN103326066 A CN 103326066A
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- CN
- China
- Prior art keywords
- lithium
- additive
- ion battery
- battery electrolytes
- low temperature
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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
Abstract
The invention provides lithium-ion battery electrolyte. The lithium-ion battery electrolyte comprises the following components: cyclic carbonate, lithium salt and an additive, wherein the cyclic carbonate is ethylene carbonate, the lithium salt is a mixture of lithium hexafluorogermanate and lithium tetrachloride, the additive is an inhibition additive and low-temperature additive, the mass ratio of the lithium hexafluorogermanate and the lithium tetrachloride is 12-15 to 1, the inhibition additive is N,N-dicyclohexylcarbodiimide, and the low-temperature additive is sodium methylene bis-m-naphthalene sulfonate. The lithium-ion battery electrolyte has high conductivity and a good low-temperature charging-discharging performance.
Description
Technical field
The present invention relates to a kind of lithium-ion battery electrolytes.
Background technology
In the numerous electronic products of extensive use of lithium ion battery, its small volume, do not discharge and recharge memory effect, therefore be subject to the extensively joyous drink in market.The raising yet the low temperature charge-discharge performance of present lithium ion battery is still needed, this has affected development and the market prospects of lithium ion battery.
Summary of the invention
The technical problem that the present invention mainly solves is the raising of still needing of the low temperature charge-discharge performance of present lithium ion battery.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of lithium-ion battery electrolytes, comprise cyclic carbonate, lithium salts and additive, described cyclic carbonate is ethylene carbonate, described lithium salts is the mixture of hexafluoro germanium lithium and tetrachloro aluminium lithium, described additive is suppressant additive and low temperature additive, the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 12-15:1, described suppressant additive is N, N-dicyclohexylcarbodiimide, described low temperature additive are di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate.
In a preferred embodiment of the present invention, the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 13.5:1.
In a preferred embodiment of the present invention, described suppressant additive accounts for the 7-10.3% mass percent of lithium-ion battery electrolytes.
In a preferred embodiment of the present invention, described low temperature additive accounts for the 0.4-0.7% mass percent of lithium-ion battery electrolytes.
Compared to prior art, lithium-ion battery electrolytes of the present invention has higher conductivity and better low temperature charge-discharge performance.
Embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of lithium-ion battery electrolytes, comprise cyclic carbonate, lithium salts and additive, described cyclic carbonate is ethylene carbonate, described lithium salts is the mixture of hexafluoro germanium lithium and tetrachloro aluminium lithium, described additive is suppressant additive and low temperature additive, and the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 12-15:1, and described suppressant additive is N, N-dicyclohexylcarbodiimide, described low temperature additive are di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate.
In a preferred embodiment of the present invention, the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 13.5:1.
In a preferred embodiment of the present invention, described suppressant additive accounts for the 7-10.3% mass percent of lithium-ion battery electrolytes.
In a preferred embodiment of the present invention, described low temperature additive accounts for the 0.4-0.7% mass percent of lithium-ion battery electrolytes.
Compared to prior art, lithium-ion battery electrolytes of the present invention has higher conductivity and better low temperature charge-discharge performance.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. lithium-ion battery electrolytes, it is characterized in that, comprise following composition: cyclic carbonate, lithium salts and additive, described cyclic carbonate is ethylene carbonate, and described lithium salts is the mixture of hexafluoro germanium lithium and tetrachloro aluminium lithium, and described additive is suppressant additive and low temperature additive, the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 12-15:1, described suppressant additive is N, and N-dicyclohexylcarbodiimide, described low temperature additive are di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate.
2. lithium-ion battery electrolytes according to claim 1 is characterized in that, the mass ratio of described hexafluoro germanium lithium and described tetrachloro aluminium lithium is 13.5:1.
3. lithium-ion battery electrolytes according to claim 1 is characterized in that, described suppressant additive accounts for the 7-10.3% mass percent of lithium-ion battery electrolytes.
4. lithium-ion battery electrolytes according to claim 1 is characterized in that, described low temperature additive accounts for the 0.4-0.7% mass percent of lithium-ion battery electrolytes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232610XA CN103326066A (en) | 2013-06-13 | 2013-06-13 | Lithium-ion battery electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232610XA CN103326066A (en) | 2013-06-13 | 2013-06-13 | Lithium-ion battery electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103326066A true CN103326066A (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310232610XA Pending CN103326066A (en) | 2013-06-13 | 2013-06-13 | Lithium-ion battery electrolyte |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545552A (en) * | 2013-10-14 | 2014-01-29 | 合肥国轩高科动力能源股份公司 | Electrolyte suitable for high-voltage lithium ion battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071863A (en) * | 2007-05-31 | 2007-11-14 | 惠州亿纬电源科技有限公司 | Lithium cell electrolyte |
| CN102347511A (en) * | 2011-04-29 | 2012-02-08 | 能一郎科技股份有限公司 | Gel-state polymer lithium ion battery suitable for high-temperature and low-temperature environment and preparation method thereof |
| CN103066331A (en) * | 2012-11-29 | 2013-04-24 | 能一郎科技股份有限公司 | Preparation method of ultralow-temperature high-rate type lithium ion cell |
-
2013
- 2013-06-13 CN CN201310232610XA patent/CN103326066A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071863A (en) * | 2007-05-31 | 2007-11-14 | 惠州亿纬电源科技有限公司 | Lithium cell electrolyte |
| CN102347511A (en) * | 2011-04-29 | 2012-02-08 | 能一郎科技股份有限公司 | Gel-state polymer lithium ion battery suitable for high-temperature and low-temperature environment and preparation method thereof |
| CN103066331A (en) * | 2012-11-29 | 2013-04-24 | 能一郎科技股份有限公司 | Preparation method of ultralow-temperature high-rate type lithium ion cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545552A (en) * | 2013-10-14 | 2014-01-29 | 合肥国轩高科动力能源股份公司 | Electrolyte suitable for high-voltage lithium ion battery |
| CN103545552B (en) * | 2013-10-14 | 2016-03-09 | 合肥国轩高科动力能源有限公司 | Be suitable for the electrolyte of high-voltage lithium ion batteries |
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Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140403 |
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Free format text: CORRECT: ADDRESS; FROM: 215121 SUZHOU, JIANGSU PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20140403 Address after: 518052 room 217, West Tower, Nanshan digital culture industry base, Shenzhen, Nanshan District, Guangdong Applicant after: Zheng Yulin Address before: 215121, No. 3, Jinling West Road, 288 Town, Suzhou Industrial Park, Jiangsu Province, 309 Applicant before: Suzhou Nuoxin Innovation Energy Co., Ltd. |
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Application publication date: 20130925 |