Charge-Discharge Characteristics of Li/CuCl_2 Batteries with LiPF_6/Methyl Difluoroacetate Electrolyte

Katsuo Hashizaki, Shinsaku Dobashi, Shigeto Okada, Toshiro Hirai, Jun-ichi Yamaki, Zempachi Ogumi

Research output: Contribution to journalArticle

Abstract

As conversion-type cathode materials, transition-metal chlorides are known to suffer from dissolution in organic solvents. However, our previous investigation revealed that in the Li/CuCl_2 battery, the dissolution of CuCl_2/C cathode materials could be suppressed by using LiPF_6/methyl difluoroacetate (MFA; CHF_2COOCH_3) electrolyte. Consequently, its capacity decline was lessened by raising the charged voltage. Herein we examine the re-conversion reaction cathode of Cu/LiCl instead of the conversion reaction cathode of CuCl_2/C. The charge-discharge characteristics of both electrodes are reported. The Cu/LiCl electrode with LiPF_6/MFA could charge and discharge without carbon additives.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalEvergreen
Volume6
Issue number1
DOIs
Publication statusPublished - Mar 2019

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