CN103545551A - Electrolyte applicable to lithium titanate battery - Google Patents

Electrolyte applicable to lithium titanate battery Download PDF

Info

Publication number
CN103545551A
CN103545551A CN201310541045.5A CN201310541045A CN103545551A CN 103545551 A CN103545551 A CN 103545551A CN 201310541045 A CN201310541045 A CN 201310541045A CN 103545551 A CN103545551 A CN 103545551A
Authority
CN
China
Prior art keywords
electrolyte
carbonate
halogenated
electrolyte according
lithium salts
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
Application number
CN201310541045.5A
Other languages
Chinese (zh)
Other versions
CN103545551B (en
Inventor
陈黎
甘朝伦
袁翔云
赵世勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Guotai Huarong New Chemical Materials Co Ltd
Original Assignee
Zhangjiagang Guotai Huarong New Chemical Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Guotai Huarong New Chemical Materials Co Ltd filed Critical Zhangjiagang Guotai Huarong New Chemical Materials Co Ltd
Priority to CN201310541045.5A priority Critical patent/CN103545551B/en
Publication of CN103545551A publication Critical patent/CN103545551A/en
Application granted granted Critical
Publication of CN103545551B publication Critical patent/CN103545551B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to an electrolyte applicable to a lithium titanate battery. The electrolyte comprises an organic solvent and lithium salt. The electrolyte further comprises one or more of phenylacetylene derivatives which account for 0.05-10wt% of the electrolyte. The structural formula of the phenylacetylene derivative is as shown in the specification, wherein in the specification, R1, R2 and R3 are independently selected from any one of hydrogen, hydroxyl, halogen, alkyl, alkoxyl, halogenated alkyl, halogenated alkoxyl, alkylene, halogenated alkylene, phenyl, halogenated phenyl, biphenylyl, halogenated biphenylyl, phenyl ether groups, halogenated phenyl ether groups, halogenated triphenyl, amido, ester groups and cyano groups. Halogen is any one of F, Cl and Br. Halogenation is partial substitution or full substitution. According to the electrolyte provided by the invention, the discharge capacity and circulating service life of the lithium titanate battery are improved by adding the phenylacetylene derivatives in the electrolyte. A swelling problem of the lithium titanate battery in the circulating process is further appropriately solved.

Description

A kind of electrolyte that is applicable to lithium titanate battery
Technical field
The present invention relates to a kind of lithium-ion battery electrolytes, relate in particular to a kind of electrolyte of take in the lithium ion battery that lithium titanate is negative pole.
Background technology
Along with the fast development of portable electric appts, hybrid electric vehicle, electric automobile and space technology etc., secondary cell is had higher requirement at aspects such as specific capacity, cycle life, fail safes.The lithium ion battery negative material of current actual extensive use is carbon-based material, because carbon negative pole material has the current potential very approaching with lithium metal, the easy precipitating metal Li dendrite of carbon electrodes when battery overcharge and cause short circuit, thermal runaway etc., thereby cause very large potential safety hazard to battery, particularly electrokinetic cell; Thereby while discharging and recharging simultaneously lithium ion embed repeatedly and de-embedding process in can make material with carbon element structure be damaged to cause the decay of capacity.And with lithium titanate (Li 4ti 5o 12) material is negative pole lithium ion battery overcomes the above problems well, Li 4ti 5o 12current potential with respect to lithium electrode is 1.55V, is difficult for precipitating metal lithium, and the fail safe of battery improves; At Li, embed or deviate from process, crystal formation does not change, and change in volume is less than 1%, is therefore called as " zero strain material ".Li 4ti 5o 12chemical diffusion coefficient be 2 * 10 -8cm 2/ s, than the large order of magnitude of the diffusion coefficient in carbon negative pole material, high diffusion coefficient makes this negative material can quick, many cycle charge-discharges.Yet at present lithium titanate anode material react with electrolyte in charge and discharge process, decompose and produce gas, discharge nowhere and cause inflatable, and then the capacity that affects battery is brought into play and circulating effect.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of electrolyte that is applicable to lithium titanate battery that improves discharge capacity and the cycle life of lithium titanate battery.
For achieving the above object, the technical solution used in the present invention is:
A kind of electrolyte that is applicable to lithium titanate battery, comprise organic solvent and lithium salts, described electrolyte also comprises one or more in phenylacetylene derivatives, and described phenylacetylene derivatives accounts for 0.05%～10% of described electrolyte quality, and the structural formula of described phenylacetylene derivatives is:
Wherein, R 1, R 2, R 3independently selected from any one in hydrogen, hydroxyl, halogen, alkyl, alkoxyl, haloalkyl, halogenated alkoxy, alkylene, haloalkene alkyl, phenyl, halogenophenyl, xenyl, halogenated biphenyl base, phenylate base, triphenyl, halogeno-benzene ether, halo triphenyl, amido, ester group, cyano group, described halogen is any one in F, Cl, Br, and described halo is that part replaces or entirely replaces.
Preferably, described phenylacetylene derivatives accounts for 0.5%～1% of described electrolyte quality.
Preferably, described phenylacetylene derivatives is
Figure BDA0000408274770000022
Figure BDA0000408274770000023
in any one or multiple.
Particularly, described organic solvent is one or more in carbonic ester, carboxylate, ether, sulfone.
More specifically, described carbonic ester is one or more in ethylene carbonate, propene carbonate, carbonic acid butylidene ester, dimethyl carbonate, diethyl carbonate, methyl ethyl carbonate, propene carbonate; Described carboxylate is one or more in methyl formate, Ethyl formate, methyl acetate, ethyl acetate, propyl acetate, ethyl propionate, methyl butyrate, ethyl butyrate; Described ether is dimethoxymethane, 1, one or more in 2-dimethoxy-ethane, oxolane, DOX; Described sulfone is one or more in methyl-sulfoxide, sulfolane, dimethyl sulfone.
Particularly, described lithium salts is LiPF 6, LiBF 4, LiClO 4, CF 3sO 3li, LiCH 3sO 3, LiSCN, LiNO 3, LiO 3sCF 2cF 3, LiAsF 6, LiAlCl 4, one or more in LiTFSI, LiFSI.
Preferably, the concentration of described lithium salts is 0.7～1.5mol/L.
More preferably, the concentration of described lithium salts is 0.9～1.2mol/L.
Preferably, described electrolyte also comprises film for additive, and described film for additive accounts for 0.05%～5% of described electrolyte quality.
More preferably, described film for additive accounts for 0.8%～2.0% of described electrolyte quality.
Particularly, described film for additive is vinylene carbonate, vinylethylene carbonate, ethylene sulfite, propylene sulfite, vinyl ethylene sulfite, fluorinated ethylene carbonate, 1, one or more in 3-sulfonic acid propiolactone, Isosorbide-5-Nitrae-sulfonic acid butyrolactone, LiBOB, LiODFB.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The present invention, by add phenylacetylene derivatives in electrolyte, has improved discharge capacity and the cycle life of lithium titanate battery, has also suitably solved on the other hand the bulging problem that lithium titanate battery occurs in cyclic process.
Embodiment
Below in conjunction with specific embodiment, the present invention is elaborated:
Comparative example 1
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, obtains electrolyte.
Comparative example 2
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% vinyl ethylene sulfite, obtains electrolyte.
Comparative example 3
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds respectively 1% vinyl ethylene sulfite and 1% LiBOB, obtains electrolyte.
Embodiment 1
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% 3-difluoro-methoxy phenylacetylene
Figure BDA0000408274770000041
obtain electrolyte.
Embodiment 2
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 3-cyano group-4-methoxybenzene acetylene of 1%
Figure BDA0000408274770000051
obtain electrolyte.
Embodiment 3
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% 2-acetylene aniline
Figure BDA0000408274770000052
obtain electrolyte.
Embodiment 4
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% 3-hydroxy phenyl acetylene
Figure BDA0000408274770000053
obtain electrolyte.
Embodiment 5
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% vinyl ethylene sulfite and 1%
Figure BDA0000408274770000054
obtain electrolyte.
Embodiment 6
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/diethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% vinyl ethylene sulfite and 1%
Figure BDA0000408274770000061
obtain electrolyte.
Embodiment 7
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/diethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% vinyl ethylene sulfite and 1%
Figure BDA0000408274770000062
obtain electrolyte.
Embodiment 8
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/diethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds 1% vinyl ethylene sulfite and 1%
Figure BDA0000408274770000063
obtain electrolyte.
Embodiment 9
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds respectively 1% vinyl ethylene sulfite, 1% LiBOB and 1% obtain electrolyte.
Embodiment 10
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds respectively 1% vinyl ethylene sulfite, 1% LiBOB and 1%
Figure BDA0000408274770000072
obtain electrolyte.
Embodiment 11
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds respectively 1% vinyl ethylene sulfite, 1% LiBOB and 1%
Figure BDA0000408274770000073
obtain electrolyte.
Embodiment 11
By lithium salts (LiPF 6) be dissolved in the mixed solvent of ethylene carbonate/methyl ethyl carbonate/dimethyl carbonate/propene carbonate (mass ratio is 30/55/10/5) and obtain mixed solution, LiPF wherein 6concentration is 1mol/L, in this mixed solution, presses electrolyte gross mass and calculates, and adds respectively 1% vinyl ethylene sulfite, 1% LiBOB and 1%
Figure BDA0000408274770000081
obtain electrolyte.
Experimental result
Normal-temperature circulating performance test:
Adopt the cycle performance of Shenzhen new prestige cell tester test battery.
Electrolyte after the configuration of comparative example 1, comparative example 2, comparative example 3 and embodiment 1 to 11 is injected to the lithium titanate duricrust battery with batch same model, test battery is under 0～3V, normal temperature environment carries out the cycle performance test of 1C, and before and after normal temperature circulation volume conservation rate and circulation, thickness comparing data is as shown in table 1.
Table 1
Figure BDA0000408274770000082
As shown in Table 1, lithium titanate battery prepared by electrolyte of the present invention is at 0～3V, and the cycle life of 1C rate charge-discharge and cell thickness expansion rate are obviously better than lithium titanate battery prepared by the electrolyte of comparative example; And embodiment 9 wherein has extremely significantly advantage especially aspect circulating battery conservation rate and cell expansion degree.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.

Claims (10)

1. an electrolyte that is applicable to lithium titanate battery, comprise organic solvent and lithium salts, it is characterized in that: described electrolyte also comprises one or more in phenylacetylene derivatives, described phenylacetylene derivatives accounts for 0.05%～10% of described electrolyte quality, and the structural formula of described phenylacetylene derivatives is:
Figure FDA0000408274760000011
Wherein, R 1, R 2, R 3independently selected from any one in hydrogen, hydroxyl, halogen, alkyl, alkoxyl, haloalkyl, halogenated alkoxy, alkylene, haloalkene alkyl, phenyl, halogenophenyl, xenyl, halogenated biphenyl base, phenylate base, triphenyl, halogeno-benzene ether, halo triphenyl, amido, ester group, cyano group, described halogen is any one in F, Cl, Br, and described halo is that part replaces or entirely replaces.
2. electrolyte according to claim 1, is characterized in that: described phenylacetylene derivatives accounts for 0.5%～1% of described electrolyte quality.
3. electrolyte according to claim 1, is characterized in that: described phenylacetylene derivatives is
Figure FDA0000408274760000013
in any one or multiple.
4. electrolyte according to claim 1, is characterized in that: described organic solvent is one or more in carbonic ester, carboxylate, ether, sulfone.
5. electrolyte according to claim 4, is characterized in that: described carbonic ester is one or more in ethylene carbonate, propene carbonate, carbonic acid butylidene ester, dimethyl carbonate, diethyl carbonate, methyl ethyl carbonate, propene carbonate; Described carboxylate is one or more in methyl formate, Ethyl formate, methyl acetate, ethyl acetate, propyl acetate, ethyl propionate, methyl butyrate, ethyl butyrate; Described ether is dimethoxymethane, 1, one or more in 2-dimethoxy-ethane, oxolane, DOX; Described sulfone is one or more in methyl-sulfoxide, sulfolane, dimethyl sulfone.
6. electrolyte according to claim 1, is characterized in that: described lithium salts is LiPF 6, LiBF 4, LiClO 4, CF 3sO 3li, LiCH 3sO 3, LiSCN, LiNO 3, LiO 3sCF 2cF 3, LiAsF 6, LiAlCl 4, one or more in LiTFSI, LiFSI.
7. electrolyte according to claim 1, is characterized in that: the concentration of described lithium salts is 0.7～1.5mol/L.
8. electrolyte according to claim 7, is characterized in that: the concentration of described lithium salts is 0.9～1.2mol/L.
9. electrolyte according to claim 1, is characterized in that: described electrolyte also comprises film for additive, and described film for additive accounts for 0.05%～5% of described electrolyte quality.
10. electrolyte according to claim 9, it is characterized in that: described film for additive is vinylene carbonate, vinylethylene carbonate, ethylene sulfite, propylene sulfite, vinyl ethylene sulfite, fluorinated ethylene carbonate, 1, one or more in 3-sulfonic acid propiolactone, Isosorbide-5-Nitrae-sulfonic acid butyrolactone, LiBOB, LiODFB.
CN201310541045.5A 2013-11-05 2013-11-05 A kind of electrolyte being applicable to lithium titanate battery Active CN103545551B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310541045.5A CN103545551B (en) 2013-11-05 2013-11-05 A kind of electrolyte being applicable to lithium titanate battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310541045.5A CN103545551B (en) 2013-11-05 2013-11-05 A kind of electrolyte being applicable to lithium titanate battery

Publications (2)

Publication Number Publication Date
CN103545551A true CN103545551A (en) 2014-01-29
CN103545551B CN103545551B (en) 2015-12-02

Family

ID=49968782

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310541045.5A Active CN103545551B (en) 2013-11-05 2013-11-05 A kind of electrolyte being applicable to lithium titanate battery

Country Status (1)

Country Link
CN (1) CN103545551B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104900917A (en) * 2015-07-09 2015-09-09 上海动力储能电池系统工程技术有限公司 Electrolyte for lithium titanate lithium ion battery
CN105098238A (en) * 2014-05-20 2015-11-25 宁德时代新能源科技有限公司 Lithium ion secondary battery and electrolyte thereof
CN105098241A (en) * 2015-07-13 2015-11-25 新余学院 Electrolyte solution compatible with lithium-ion battery anode material lithium titanate
CN107394270A (en) * 2017-07-26 2017-11-24 天津银隆新能源有限公司 Electrolyte for improving lithium titanate battery cyclical stability and preparation method thereof
CN109994775A (en) * 2017-12-29 2019-07-09 张家港市国泰华荣化工新材料有限公司 A kind of lithium battery
CN111640989A (en) * 2020-07-24 2020-09-08 天津市捷威动力工业有限公司 Electrolyte for reducing gas generation of lithium titanate battery cell
CN113748553A (en) * 2019-05-30 2021-12-03 松下知识产权经营株式会社 Nonaqueous electrolyte secondary battery

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1277468A (en) * 1999-05-24 2000-12-20 宇部兴产株式会社 Nonaqueous electrolyte and lithium secondary battery
CN1322027A (en) * 2000-04-28 2001-11-14 宇部兴产株式会社 Electrolyte for secondary lithium cell and secondary lithium cell therewith
CN1853307A (en) * 2003-07-17 2006-10-25 宇部兴产株式会社 Nonaqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same
CN101107745A (en) * 2005-01-20 2008-01-16 宇部兴产株式会社 Nonaqueous electrolyte solution and lithium secondary battery using same
CN101646648A (en) * 2007-03-06 2010-02-10 宇部兴产株式会社 Tert-butylphenyl sulfonate compound, nonaqueous electrolyte solution for lithium secondary battery using the same, and lithium secondary battery using the same
CN102738501A (en) * 2011-04-13 2012-10-17 索尼公司 Nonaqueous electrolyte battery and nonaqueous electrolyte, and battery pack, electronic appliance
CN103098291A (en) * 2010-11-16 2013-05-08 株式会社艾迪科 Non-aqueous electrolyte secondary battery
EP2642579A1 (en) * 2010-11-16 2013-09-25 Adeka Corporation Non-aqueous electrolyte secondary battery

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1277468A (en) * 1999-05-24 2000-12-20 宇部兴产株式会社 Nonaqueous electrolyte and lithium secondary battery
CN1322027A (en) * 2000-04-28 2001-11-14 宇部兴产株式会社 Electrolyte for secondary lithium cell and secondary lithium cell therewith
CN1853307A (en) * 2003-07-17 2006-10-25 宇部兴产株式会社 Nonaqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same
CN101107745A (en) * 2005-01-20 2008-01-16 宇部兴产株式会社 Nonaqueous electrolyte solution and lithium secondary battery using same
CN101646648A (en) * 2007-03-06 2010-02-10 宇部兴产株式会社 Tert-butylphenyl sulfonate compound, nonaqueous electrolyte solution for lithium secondary battery using the same, and lithium secondary battery using the same
CN103098291A (en) * 2010-11-16 2013-05-08 株式会社艾迪科 Non-aqueous electrolyte secondary battery
EP2642579A1 (en) * 2010-11-16 2013-09-25 Adeka Corporation Non-aqueous electrolyte secondary battery
CN102738501A (en) * 2011-04-13 2012-10-17 索尼公司 Nonaqueous electrolyte battery and nonaqueous electrolyte, and battery pack, electronic appliance

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098238A (en) * 2014-05-20 2015-11-25 宁德时代新能源科技有限公司 Lithium ion secondary battery and electrolyte thereof
CN104900917A (en) * 2015-07-09 2015-09-09 上海动力储能电池系统工程技术有限公司 Electrolyte for lithium titanate lithium ion battery
CN105098241A (en) * 2015-07-13 2015-11-25 新余学院 Electrolyte solution compatible with lithium-ion battery anode material lithium titanate
CN107394270A (en) * 2017-07-26 2017-11-24 天津银隆新能源有限公司 Electrolyte for improving lithium titanate battery cyclical stability and preparation method thereof
CN109994775A (en) * 2017-12-29 2019-07-09 张家港市国泰华荣化工新材料有限公司 A kind of lithium battery
CN113748553A (en) * 2019-05-30 2021-12-03 松下知识产权经营株式会社 Nonaqueous electrolyte secondary battery
CN113748553B (en) * 2019-05-30 2024-02-09 松下知识产权经营株式会社 Nonaqueous electrolyte secondary battery
CN111640989A (en) * 2020-07-24 2020-09-08 天津市捷威动力工业有限公司 Electrolyte for reducing gas generation of lithium titanate battery cell

Also Published As

Publication number Publication date
CN103545551B (en) 2015-12-02

Similar Documents

Publication Publication Date Title
CN103545551B (en) A kind of electrolyte being applicable to lithium titanate battery
CN102569885B (en) Lithium ion battery nonaqueous electrolytic solution and lithium rechargeable battery
TWI384668B (en) Electrolytes, cells and methods of forming passivation layers
CN102306838B (en) A kind of non-aqueous electrolyte for lithium ion cell and the battery made thereof
CN103996874B (en) High temperature safety non-aqueous electrolyte for lithium ion cell
CN106450438A (en) Lithium-ion battery electrolyte and lithium ion battery with the same
CN111653829A (en) Lithium ion battery electrolyte and lithium ion battery
KR20140063762A (en) Non-aqueous organic electrolyte, lithium ion secondary battery having same, lithium ion secondary battery preparation method and terminal communication device
CN103779607A (en) Electrolyte solution and lithium-ion secondary battery
CN101540419A (en) Electrolyte for lithium manganate power battery
CN102569889A (en) Non-aqueous electrolyte for lithium ion battery, and lithium ion battery
CN106602140B (en) A kind of electrolyte improving polymer lithium ion secondary battery high-temperature behavior
CN103500850A (en) Low-temperature electrolyte of lithium iron phosphate battery
CN107293785B (en) Non-combustible lithium ion battery electrolyte and preparation method thereof
CN105470571B (en) Lithium ion secondary battery and electrolyte thereof
CN103456970B (en) A kind of electrolytic solution and the lithium-ferrous disulfide battery containing this electrolytic solution
US20170294677A1 (en) Fluorine-Substituted Propylene Carbonate-Based Electrolytic Solution and Lithium-Ion Battery
CN103985904A (en) Non-aqueous electrolyte capable of improving high-temperature performance for lithium ion battery
CN105789685A (en) Lithium ion battery and electrolyte thereof
CN105789684A (en) Lithium ion secondary battery and electrolyte thereof
CN103682442A (en) Non-aqueous electrolyte and application thereof
CN105655641A (en) Electrolyte and lithium ion battery thereof
CN103928707A (en) High voltage lithium ion battery functional electrolyte and preparation method and application
US20200136183A1 (en) Electrolyte and lithium ion battery
CN108598589B (en) Liquid injection method of lithium ion battery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: No.35 Nanhai Road, Jiangsu Yangzijiang International Chemical Industrial Park, Zhangjiagang, Suzhou, Jiangsu, 215634 (Cathay Huarong)

Patentee after: Zhangjiagang Guotai-Huarong New Chemical Materials Co.,Ltd.

Address before: 215634 No.9 Nanhai Road, Yangzijiang International Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province

Patentee before: Zhangjiagang Guotai-Huarong New Chemical Materials Co.,Ltd.