| abstract |
An electrolyte membrane having an ionic conductivity equivalent to that of a gel electrolyte and having an excellent lithium ion transport number, and an electrolyte suitable for producing the electrolyte membrane are provided. An electrolyte comprising (A) a polyanionic lithium salt, (C) a boron compound, and (D) an organic solvent; an electrolyte membrane obtained by using such an electrolyte . [Selection figure] None |