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A Non-Flammable Electrolyte for Lithium-Ion Batteries Containing Lithium Difluoro(oxalato)borate, Propylene Carbonate and Tris(2,2,2-Trifluoroethyl)Phosphate
Gu, YX; Fang, SH; Zhang, XY; Tang, YF; Chen, YF; Yang, L; Hirano, SI
2020-05-08
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Issue8
SubtypeArticle
AbstractLithium difluoro(oxalato)borate in the mixture of propylene carbonate and tris(2,2,2-trifluoroethyl)phosphate is introduced as a safe electrolyte for lithium-ion batteries. And fluoroethylene carbonate additive is used in this electrolyte to improve the compatibility with the graphite anode. It is found that 25 wt% tris(2,2,2-trifluoroethyl)phosphate endows this electrolyte with non-flammable characteristic and good wettability to separator and electrodes. This safe electrolyte can well support graphite/LiNi0.5Co0.2Mn0.3O2 full cells. Its cycle performances at room temperature and elevated temperature (60 degrees C) surpass those of a commercial electrolyte. And its rate performance at room temperature is also comparable to that of the commercial electrolyte. These results indicate that such a safe electrolyte shows a great potential for practical application. (C) 2020 The Electrochemical Society ("ECS"). Published on behalf of ECS by IOP Publishing Limited.
DOI10.1149/1945-7111/ab8ed3
WOS KeywordFLAME-RETARDANT ADDITIVES ; COMPARATIVE PERFORMANCE EVALUATION ; FLUORINATED ALKYL PHOSPHATES ; LOW-TEMPERATURE PERFORMANCE ; ELECTROCHEMICAL PERFORMANCE ; NONFLAMMABLE ELECTROLYTES ; LIPF6-BASED ELECTROLYTES ; FLUOROETHYLENE CARBONATE ; CO-INTERCALATION ; SAFE ELECTROLYTE
Language英语
WOS Research AreaElectrochemistry ; Materials Science
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28077
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Gu, YX,Fang, SH,Zhang, XY,et al. A Non-Flammable Electrolyte for Lithium-Ion Batteries Containing Lithium Difluoro(oxalato)borate, Propylene Carbonate and Tris(2,2,2-Trifluoroethyl)Phosphate[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2020(8).
APA Gu, YX.,Fang, SH.,Zhang, XY.,Tang, YF.,Chen, YF.,...&Hirano, SI.(2020).A Non-Flammable Electrolyte for Lithium-Ion Batteries Containing Lithium Difluoro(oxalato)borate, Propylene Carbonate and Tris(2,2,2-Trifluoroethyl)Phosphate.JOURNAL OF THE ELECTROCHEMICAL SOCIETY(8).
MLA Gu, YX,et al."A Non-Flammable Electrolyte for Lithium-Ion Batteries Containing Lithium Difluoro(oxalato)borate, Propylene Carbonate and Tris(2,2,2-Trifluoroethyl)Phosphate".JOURNAL OF THE ELECTROCHEMICAL SOCIETY .8(2020).
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