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Influence of Hf and H2O2 on Morphology of Silicon Formed by Ag Assisted Chemical Etching
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Investigation of Lithium Difluoro (Sulfato) Borate as a Salt of Electrolyte for High-Temperature Lithium-Ion Batteries
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Investigation of Lithium Difluoro (Sulfato) Borate as a Salt of Electrolyte for High-Temperature Lithium-Ion Batteries

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Abstract:

Lthium difluoro (sulfato) borate (LiBF2SO4) is a prospecting salt for electrolyte of lithium-ion batteries. The effect of LiBF2SO4 salt on conductivity, charge-discharge capacities, temperature performance, cycling life and storage life at 60 °C is investigated. In graphite half cells at 60 °C, LiBF2SO4-ethylene carbonate (EC)/ dimethyl carbonate (DMC) electrolyte favourably facilitates the formation of a thermal stable, effective and conductive interface film on the surface of carbonaceous anode. Besides, in LiCoO2 half cells at 60 °C, the electrolyte containing the novel salt exerts several advantages, such as stable cycling performance, and good capacity retention performance.

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Periodical:

Advanced Materials Research (Volumes 953-954)

Pages:

1049-1052

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.953-954.1049

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Online since:

June 2014

Authors:

Shi You Li*, Xiao Peng Li, Li Ping Mao, Xiao Ling Cui

Keywords:

High-Temperature, Lithium Difluoro (sulfato) Borate, Lithium-Ion Battery

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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