CN103311572A - Novel lithium-ion battery electrolyte - Google Patents
Novel lithium-ion battery electrolyte Download PDFInfo
- Publication number
- CN103311572A CN103311572A CN201310233371XA CN201310233371A CN103311572A CN 103311572 A CN103311572 A CN 103311572A CN 201310233371X A CN201310233371X A CN 201310233371XA CN 201310233371 A CN201310233371 A CN 201310233371A CN 103311572 A CN103311572 A CN 103311572A
- Authority
- CN
- China
- Prior art keywords
- ion battery
- additive
- battery electrolyte
- lithium
- lithium ion
- 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.)
- Pending
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- 239000003792 electrolyte Substances 0.000 title claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 30
- 230000000996 additive effect Effects 0.000 claims abstract description 28
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 150000005676 cyclic carbonates Chemical class 0.000 claims abstract description 8
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 8
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 8
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims abstract description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 4
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 4
- 239000011734 sodium Substances 0.000 claims abstract description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 9
- 239000010452 phosphate Substances 0.000 claims description 9
- 235000018927 edible plant Nutrition 0.000 claims description 3
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Substances [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 abstract description 3
- -1 lithium tetrafluoroborate Chemical group 0.000 abstract 4
- YFWBUVZWCBFSQN-UHFFFAOYSA-N 1,2-dimethoxy-4-nitrobenzene Chemical group COC1=CC=C([N+]([O-])=O)C=C1OC YFWBUVZWCBFSQN-UHFFFAOYSA-N 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000000034 method Methods 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
- Secondary Cells (AREA)
Abstract
The invention provides novel lithium-ion battery electrolyte. The electrolyte comprises the following components: cyclic carbonate, lithium salt and additives, wherein the cyclic carbonate is ethylene carbonate, the lithium salt is lithium tetrafluoroborate and lithium hexafluorophosphate, the additives refer to an over-charging protective additive and a low-temperature additive, the mass ratio of the lithium tetrafluoroborate to lithium hexafluorophosphat is 6.7-9.8 to 1, the over-charging protective additive is 1,2-dimethoxy-4- nitrobenzene, and the low-temperature additive is methylene disnaphthalene sulfonic acid sodium. The novel lithium-ion battery electrolyte has high reversible specific capacity and a good low-temperature charging-discharging performance.
Description
Technical field
The present invention relates to a kind of new type lithium ion battery electrolyte.
Background technology
In the numerous electronic products of lithium ion battery extensive use, its volume is less, do not discharge and recharge memory effect, therefore is subjected 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 influenced 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 new type lithium ion battery electrolyte; comprise cyclic carbonate, lithium salts and additive; described cyclic carbonate is ethylene carbonate; described lithium salts is LiBF4 and lithium hexafluoro phosphate; described additive is over-charge protective additive and low temperature additive; the mass ratio of described LiBF4 and described lithium hexafluoro phosphate is 6.7-9.8:1; described over-charge protective additive is 1; 2-dimethoxy-4 '-nitrobenzene, 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 LiBF4 and described lithium hexafluoro phosphate is 8.5:1.
In a preferred embodiment of the present invention, described over-charge protective additive accounts for the 5-8.9% mass percent of new type lithium ion battery electrolyte.
In a preferred embodiment of the present invention, described low temperature additive accounts for the 0.2-0.6% mass percent of new type lithium ion battery electrolyte.
Compared to prior art, new type lithium ion battery electrolyte of the present invention has higher reversible specific capacity and preferable low temperature charge-discharge performance.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, 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 new type lithium ion battery electrolyte; comprise cyclic carbonate, lithium salts and additive; described cyclic carbonate is ethylene carbonate; described lithium salts is LiBF4 and lithium hexafluoro phosphate; described additive is over-charge protective additive and low temperature additive, and the mass ratio of described LiBF4 and described lithium hexafluoro phosphate is 6.7-9.8:1, and described over-charge protective additive is 1; 2-dimethoxy-4 '-nitrobenzene, 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 LiBF4 and described lithium hexafluoro phosphate is 8.5:1.
In a preferred embodiment of the present invention, described over-charge protective additive accounts for the 5-8.9% mass percent of new type lithium ion battery electrolyte.
In a preferred embodiment of the present invention, described low temperature additive accounts for the 0.2-0.6% mass percent of new type lithium ion battery electrolyte.
Compared to prior art, new type lithium ion battery electrolyte of the present invention has higher reversible specific capacity and preferable 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. new type lithium ion battery electrolyte; it is characterized in that; comprise following composition: cyclic carbonate, lithium salts and additive; described cyclic carbonate is ethylene carbonate; described lithium salts is LiBF4 and lithium hexafluoro phosphate; described additive is over-charge protective additive and low temperature additive; the mass ratio of described LiBF4 and described lithium hexafluoro phosphate is 6.7-9.8:1; described over-charge protective additive is 1; 2-dimethoxy-4 '-nitrobenzene, described low temperature additive are di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate.
2. new type lithium ion battery electrolyte according to claim 1 is characterized in that, the mass ratio of described LiBF4 and described lithium hexafluoro phosphate is 8.5:1.
3. new type lithium ion battery electrolyte according to claim 1 is characterized in that, described over-charge protective additive accounts for the 5-8.9% mass percent of new type lithium ion battery electrolyte.
4. new type lithium ion battery electrolyte according to claim 1 is characterized in that, described low temperature additive accounts for the 0.2-0.6% mass percent of new type lithium ion battery electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233371XA CN103311572A (en) | 2013-06-13 | 2013-06-13 | Novel lithium-ion battery electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233371XA CN103311572A (en) | 2013-06-13 | 2013-06-13 | Novel lithium-ion battery electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103311572A true CN103311572A (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310233371XA Pending CN103311572A (en) | 2013-06-13 | 2013-06-13 | Novel lithium-ion battery electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103311572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799815A (en) * | 2017-10-31 | 2018-03-13 | 南京旭羽睿材料科技有限公司 | A kind of graphene lithium ion battery electrolyte |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468516A (en) * | 2010-11-09 | 2012-05-23 | 张家港市国泰华荣化工新材料有限公司 | Electrolyte for improving high and low temperature performance of lithium batteries and application thereof |
| CN102569900A (en) * | 2012-02-13 | 2012-07-11 | 东莞新能源科技有限公司 | Method capable of improving both high temperature performance and low temperature performance of lithium ion secondary battery |
| CN102593517A (en) * | 2012-04-09 | 2012-07-18 | 山东鸿正电池材料科技有限公司 | Non-aqueous electrolyte for lithium iron phosphate battery |
| CN102618885A (en) * | 2012-04-13 | 2012-08-01 | 陕西黄金集团西安秦金有限责任公司 | Auxiliary reagent suitable for rapid electrorefining of high-silver alloyed gold |
-
2013
- 2013-06-13 CN CN201310233371XA patent/CN103311572A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468516A (en) * | 2010-11-09 | 2012-05-23 | 张家港市国泰华荣化工新材料有限公司 | Electrolyte for improving high and low temperature performance of lithium batteries and application thereof |
| CN102569900A (en) * | 2012-02-13 | 2012-07-11 | 东莞新能源科技有限公司 | Method capable of improving both high temperature performance and low temperature performance of lithium ion secondary battery |
| CN102593517A (en) * | 2012-04-09 | 2012-07-18 | 山东鸿正电池材料科技有限公司 | Non-aqueous electrolyte for lithium iron phosphate battery |
| CN102618885A (en) * | 2012-04-13 | 2012-08-01 | 陕西黄金集团西安秦金有限责任公司 | Auxiliary reagent suitable for rapid electrorefining of high-silver alloyed gold |
Non-Patent Citations (1)
| Title |
|---|
| 任春燕等: ""过充保护添加剂1,2-二甲氧基-4-硝基苯和1,4-二甲氧基-2-硝基苯在锂离子电池中的应用"", 《物理化学学报》, vol. 28, no. 9, 14 June 2012 (2012-06-14) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799815A (en) * | 2017-10-31 | 2018-03-13 | 南京旭羽睿材料科技有限公司 | A kind of graphene lithium ion battery electrolyte |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140404 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215121 SUZHOU, JIANGSU PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140404 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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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |