Katholieke Universiteit Leuven, Ku Leuven R&d

Toyota Motor Europe

Sandra Dorota Hojniak-Thyssen

Fanny Barde

Jan Fransaer

Gijs Vanhoutte

Koen Binnemans

Ionic compounds containing an anion, and a cation having the following structural formula (1):RRRN-(linker)-O-(linker)-(FC)&#x2003;&#x2003;(1)wherein: Rand Reither linear or branched alkyl groups or together form a N-heterocylic ring with the nitrogen atom to which they are joined; Ris linear or branched alkyl group; linkerand linkerare alkylene chains or polyether chains; and the group FC is a fluorinated alkyl group, as well as an electrolyte material comprising such an ionic compound and a metal salt, and metal-air batteries using such an electrolyte material. The invention also relates to a metal-air battery containing an electrolyte material, wherein the electrolyte material comprises at least one ionic compound and a metal salt, and wherein at least one ionic compound contains an anion CFCOOor CFSO, where in each case n is at least 1 and at most 10.

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Leuven, Belgium

Sandra Dorota Hojniak-Thyssen