Toyota Jidosha Kabushiki Kaisha

Tohoku University

Reiji Takekawa

Hirofumi Nakamoto

Junichi Kawamura

A main object of the present disclosure is to provide a liquid electrolyte in which concentration of active fluoride ion is high. The present disclosure achieves the object by providing a liquid electrolyte to be used in a fluoride ion battery, the liquid electrolyte comprising: a potassium fluoride; an alkali metal amide salt including a cation of an alkali metal and an amide anion; and a glyme represented by a general formula R&#x2014;O(CHCHO)&#x2014;R, in which Rand Ris each independently an alkyl group including 4 or less carbon atoms or a fluoroalkyl group including 4 or less carbon atoms, and n is within a range of 2 to 10.

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Sendai, Japan

Reiji Takekawa