Low Temperature Electrolyte for Li-Ion Batteries

Abstract:

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Electrolyte of LiPF6-ethylene carbonate (EC)-methyl acetate (MA) was prepared. 1 M LiPF6-EC-MA electrolyte presented the conductivity in excess of 1 mS cm-1 at -50 oC. The cyclic voltammetry showed that the electrolyte was better than conventional electrolyte of LiPF6-ethylene carbonate (EC)-diethyl carbonate (DEC) for the formation of SEI film. 1 M LiPF6-EC-MA electrolyte showed much better cycleability than conventional electrolyte of 1 M LiPF6-EC-DE·C for LiCoO2/Li cell. It is a promising alternative electrolyte for Li-ion batteries.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

530-532

DOI:

10.4028/www.scientific.net/KEM.336-338.530

Citation:

X. M. He et al., "Low Temperature Electrolyte for Li-Ion Batteries", Key Engineering Materials, Vols. 336-338, pp. 530-532, 2007

Online since:

April 2007

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Price:

$35.00

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