Highly concentrated electrolyte solutions for 4 v class potassium-ion batteries

Tomooki Hosaka, Kei Kubota, Haruka Kojima, Shinichi Komaba

Research output: Contribution to journalArticlepeer-review

87 Citations (Scopus)

Abstract

Stable cycling of a 4 V-class potassium-ion battery is demonstrated with a highly concentrated potassium bis(fluorosulfonyl)amide 1,2-dimethoxyethane solution as an electrolyte. Not only graphite and K2Mn[Fe(CN)6] half cells but also graphite//K2Mn[Fe(CN)6] full cells filled with the electrolyte exhibit higher coulombic efficiency and better cyclability than those of KPF6/carbonate ester solutions.

Original languageEnglish
Pages (from-to)8387-8390
Number of pages4
JournalChemical Communications
Volume54
Issue number60
DOIs
Publication statusPublished - 2018

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