CN106025351A - Lithium ion electrolyte safe to use and lithium ion battery - Google Patents
Lithium ion electrolyte safe to use and lithium ion battery Download PDFInfo
- Publication number
- CN106025351A CN106025351A CN201610525725.1A CN201610525725A CN106025351A CN 106025351 A CN106025351 A CN 106025351A CN 201610525725 A CN201610525725 A CN 201610525725A CN 106025351 A CN106025351 A CN 106025351A
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- CN
- China
- Prior art keywords
- parts
- lithium ion
- lithium
- electrolyte
- ion battery
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- 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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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 38
- 239000003792 electrolyte Substances 0.000 title claims abstract description 29
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 239000002904 solvent Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- -1 methyl fluoro butyl Chemical group 0.000 claims abstract description 7
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 claims abstract description 7
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 6
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 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 description 6
- 229910003002 lithium salt Inorganic materials 0.000 claims description 6
- XJYDIOOQMIRSSY-UHFFFAOYSA-N 1,3,2-dioxathiepane 2-oxide Chemical compound O=S1OCCCCO1 XJYDIOOQMIRSSY-UHFFFAOYSA-N 0.000 claims description 5
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 5
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- 229910001290 LiPF6 Inorganic materials 0.000 abstract description 2
- 239000007772 electrode material Substances 0.000 abstract description 2
- 239000013538 functional additive Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 150000001642 boronic acid derivatives Chemical class 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- 229910021485 fumed silica Inorganic materials 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 abstract 1
- 239000011255 nonaqueous electrolyte Substances 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 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
-
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a lithium ion electrolyte safe to use and a lithium ion battery. The lithium ion electrolyte safe to use is prepared from, by weight, 30-50 parts of triethylene glycoldimethyl ether, 15-25 parts of methyl fluoro butyl ether, 20-30 parts of alkyllithium borate salt, 2-6 parts of fumed silica, 3-8 parts of lithium bisoxalatoborate, 1-5 parts of triethyl borate, 10-20 parts of solvent additive, 5-10 parts of inorganic additive and 1-3 parts of other auxiliaries. According to the lithium ion electrolyte safe to use and the lithium ion battery, the selected materials and a lithium ion battery electrode material have good compatibility, and the advantages of being high in heat stability, high in redox resistance, free of aluminum foil corrosion and the like are achieved. Under the condition that no non-aqueous electrolyte functional additive is used, the lithium ion battery has more excellent high temperature circulation and storage performance compared with a lithium ion battery prepared from an existing LiPF6 electrolyte.
Description
Technical field
The present invention relates to technical field of electrochemistry, be specifically related to a kind of use safe lithium-ion electrolyte and lithium ion battery.
Background technology
Electrolyte be chemical cell, electrochemical capacitor etc. use have certain corrosive medium, the normal work for them provides ion.And ensure that the chemical reaction occurred in work is reversible.Liquid is relatively big with the contact area of medium, so helpful to promoting capacitance.Next to that use the electrochemical capacitor that electrolyte manufactures, can the high temperature of resistance to 260 °, thus can pass through wave-soldering (one important procedure of SMT paster installation), resistance to pressure is the strongest simultaneously.Additionally, use electrolyte to do the electrochemical capacitor of negative electrode, after medium is breakdown, as long as breakdown current does not continues, then electric capacity can spontaneous recovery.But existing electrolyte has the disadvantage in that the most readily volatilized, seepage, very big to life-span and stability influence, electrolyte is it is also possible to instant vaporization at high temperature under high pressure, and volume increase sets off an explosion, and some compositions has harm to environment, use dangerous；And resistance to low temperature is poor, battery under low temperature environment, is easily made to lose power supply capacity；Capacity stability is the highest, and after being used for multiple times, rated capacity decrement is relatively big, and battery availability factor is relatively low.
Summary of the invention
Not enough for prior art, the invention provides a kind of electrolyte using safety that can improve high-temperature lithium ion battery cyclicity, high/low temperature stable storage performance and capacity stability and lithium ion battery.
The present invention solves above-mentioned technical problem and uses this technical scheme to be: a kind of use safe lithium-ion electrolyte, including the raw material of following parts by weight: triethylene glycol dimethyl ether 30 ~ 50 parts, fluoromethane are for butyl ether 15 ~ 25 parts, alkylboronic acids lithium salts 20 ~ 30 parts, aerosil 2 ~ 6 parts, di-oxalate lithium borate 3 ~ 8 parts, triethoxy-boron 1 ~ 5 part, solvent additive 10 ~ 20 parts, inorganic additive 5 ~ 10 parts and other auxiliary agents 1 ~ 3 part.
Further, one or more during described solvent additive includes butylene sulfite, adiponitrile, furan and Ethyl methyl carbonate.
Further, described inorganic additive includes sodium tetraborate, sodium sulfite and the mixture of nanometer hydroxyapatite powder.
Further, other auxiliary agents described include film former, antiager, corrosion inhibiter and fire retardant.
Concrete, in use, the raw material of above-mentioned parts by weight is placed in agitating device, under the conditions of high-speed stirred, at a temperature of 0 ~ 10 DEG C, is incubated high-speed stirred 2 ~ 4h, after the mixture obtained is stood 2 ~ 3h, obtains the electrolyte of the present invention after stirring.
Further, a kind of lithium ion battery, it includes above-mentioned a kind of using safe lithium-ion electrolyte.
Compared with prior art, what the present invention possessed has the beneficial effect that
The a kind of of present invention offer uses safe lithium-ion electrolyte and lithium ion battery, material and the lithium ion battery electrode material selected have the good compatibility, have simultaneously higher heat stability, stronger resistance to oxidation reducing power, without features such as aluminium foil corrosivity.As in the case of not using any nonaqueous electrolytic solution functional additive, ratio uses lithium ion battery prepared by existing LiPF6 electrolyte, has more excellent high temperature and circulates and storge quality.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: a kind of use safe lithium-ion electrolyte and lithium ion battery, including the raw material of following parts by weight: triethylene glycol dimethyl ether 40 parts, fluoromethane are for butyl ether 20 parts, alkylboronic acids lithium salts 25 parts, aerosil 4 parts, di-oxalate lithium borate 5 parts, triethoxy-boron 3 parts, solvent additive 15 parts, inorganic additive 8 parts and other auxiliary agents 2 parts.
Further, described solvent additive includes butylene sulfite, adiponitrile, furan and Ethyl methyl carbonate.
Further, described inorganic additive includes sodium tetraborate, sodium sulfite and the mixture of nanometer hydroxyapatite powder.
Further, other auxiliary agents described include film former, antiager, corrosion inhibiter and fire retardant.
Embodiment 2: a kind of use safe lithium-ion electrolyte and lithium ion battery, including the raw material of following parts by weight: triethylene glycol dimethyl ether 30 parts, fluoromethane are for butyl ether 15 parts, alkylboronic acids lithium salts 20 parts, aerosil 2 parts, di-oxalate lithium borate 3 parts, triethoxy-boron 1 part, solvent additive 10 parts, inorganic additive 5 parts and other auxiliary agents 1 part.
Further, described solvent additive includes butylene sulfite, adiponitrile and Ethyl methyl carbonate.
Further, described inorganic additive includes sodium tetraborate, sodium sulfite and the mixture of nanometer hydroxyapatite powder.
Further, other auxiliary agents described include film former, antiager, corrosion inhibiter and fire retardant.
Embodiment 3: a kind of use safe lithium-ion electrolyte and lithium ion battery, including the raw material of following parts by weight: triethylene glycol dimethyl ether 50 parts, fluoromethane are for butyl ether 25 parts, alkylboronic acids lithium salts 30 parts, aerosil 6 parts, di-oxalate lithium borate 8 parts, triethoxy-boron 5 parts, solvent additive 20 parts, inorganic additive 10 parts and other auxiliary agents 3 parts.
Further, described solvent additive includes butylene sulfite, adiponitrile and furan.
Further, described inorganic additive includes sodium tetraborate, sodium sulfite and the mixture of nanometer hydroxyapatite powder.
Further, other auxiliary agents described include film former, antiager, corrosion inhibiter and fire retardant.
Concrete, in use, the raw material of parts by weight described in above-described embodiment 1 ~ 3 is placed in agitating device, under the conditions of high-speed stirred, at a temperature of 0 ~ 10 DEG C, is incubated high-speed stirred 2 ~ 4h, after the mixture obtained is stood 2 ~ 3h, obtains the electrolyte composition of the present invention after stirring.
Further, a kind of lithium ion battery, what it included described in above-described embodiment 1-3 a kind of uses safe lithium-ion electrolyte.
Claims (6)
1. one kind uses safe lithium-ion electrolyte, it is characterized in that, including the raw material of following parts by weight: triethylene glycol dimethyl ether 30 ~ 50 parts, fluoromethane are for butyl ether 15 ~ 25 parts, alkylboronic acids lithium salts 20 ~ 30 parts, aerosil 2 ~ 6 parts, di-oxalate lithium borate 3 ~ 8 parts, triethoxy-boron 1 ~ 5 part, solvent additive 10 ~ 20 parts, inorganic additive 5 ~ 10 parts and other auxiliary agents 1 ~ 3 part.
The most according to claim 1 a kind of use safe lithium-ion electrolyte, it is characterised in that: include the raw material of following parts by weight: triethylene glycol dimethyl ether 40 parts, fluoromethane are for butyl ether 20 parts, alkylboronic acids lithium salts 25 parts, aerosil 4 parts, di-oxalate lithium borate 5 parts, triethoxy-boron 3 parts, solvent additive 15 parts, inorganic additive 8 parts and other auxiliary agents 2 parts.
The most according to claim 1 and 2 a kind of use safe lithium-ion electrolyte, it is characterised in that: described solvent additive includes one or more in butylene sulfite, adiponitrile, furan and Ethyl methyl carbonate.
The most according to claim 1 and 2 a kind of use safe lithium-ion electrolyte, it is characterised in that: described inorganic additive includes sodium tetraborate, sodium sulfite and the mixture of nanometer hydroxyapatite powder.
The most according to claim 1 and 2 a kind of use safe lithium-ion electrolyte, it is characterised in that: other auxiliary agents described include film former, antiager, corrosion inhibiter and fire retardant.
6. a lithium ion battery, it is characterised in that: include described in any one of claim 1-5 a kind of uses safe lithium-ion electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525725.1A CN106025351A (en) | 2016-07-06 | 2016-07-06 | Lithium ion electrolyte safe to use and lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525725.1A CN106025351A (en) | 2016-07-06 | 2016-07-06 | Lithium ion electrolyte safe to use and lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106025351A true CN106025351A (en) | 2016-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610525725.1A Pending CN106025351A (en) | 2016-07-06 | 2016-07-06 | Lithium ion electrolyte safe to use and lithium ion battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN106025351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183259A (en) * | 2017-12-27 | 2018-06-19 | 广州鸿森材料有限公司 | A kind of lithium ion battery flame-retardant electrolyte and preparation method thereof |
Citations (6)
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| CN101673855A (en) * | 2009-09-25 | 2010-03-17 | 深圳世纪新能源电池有限公司 | Electrolyte flame-retardant additive of lithium ion battery and lithium ion battery using same |
| CN102867990A (en) * | 2011-07-08 | 2013-01-09 | 中国科学院物理研究所 | Electrolyte system for preventing spinel lithium titanate radical lithium ion secondary battery from flatulence |
| CN103718337A (en) * | 2011-06-17 | 2014-04-09 | 赛昂能源有限公司 | Plating technique for electrode |
| CN103943883A (en) * | 2014-04-23 | 2014-07-23 | 华南师范大学 | Application of borate compound serving as additive for high-voltage lithium-ion battery electrolyte |
| CN104505533A (en) * | 2015-01-23 | 2015-04-08 | 杭州金色能源科技有限公司 | Gel electrolyte, lithium ion battery and preparation method for lithium ion battery |
| CN105098246A (en) * | 2014-05-15 | 2015-11-25 | 纳米及先进材料研发院有限公司 | High voltage electrolyte and lithium ion battery |
-
2016
- 2016-07-06 CN CN201610525725.1A patent/CN106025351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673855A (en) * | 2009-09-25 | 2010-03-17 | 深圳世纪新能源电池有限公司 | Electrolyte flame-retardant additive of lithium ion battery and lithium ion battery using same |
| CN103718337A (en) * | 2011-06-17 | 2014-04-09 | 赛昂能源有限公司 | Plating technique for electrode |
| CN102867990A (en) * | 2011-07-08 | 2013-01-09 | 中国科学院物理研究所 | Electrolyte system for preventing spinel lithium titanate radical lithium ion secondary battery from flatulence |
| CN103943883A (en) * | 2014-04-23 | 2014-07-23 | 华南师范大学 | Application of borate compound serving as additive for high-voltage lithium-ion battery electrolyte |
| CN105098246A (en) * | 2014-05-15 | 2015-11-25 | 纳米及先进材料研发院有限公司 | High voltage electrolyte and lithium ion battery |
| CN104505533A (en) * | 2015-01-23 | 2015-04-08 | 杭州金色能源科技有限公司 | Gel electrolyte, lithium ion battery and preparation method for lithium ion battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183259A (en) * | 2017-12-27 | 2018-06-19 | 广州鸿森材料有限公司 | A kind of lithium ion battery flame-retardant electrolyte and preparation method thereof |
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Application publication date: 20161012 |