An electrolyte composition that contains a molten salt having a specific structure,
a silicon polymer, and a salt of a metal ion of Group 1 or 2 of the Periodic Table;
and a non-aqueous electrolyte secondary cell containing the electrolyte composition.
Also disclosed are an electrolyte composition that contains a polymer compound
having repetitive units of a structure of the following formula (1), and a salt
of a metal ion of Group 1 or 2 of the Periodic Table; a method for producing the
electrolyte composition; and a non-aqueous electrolyte secondary cell containing
the electrolyte composition.
##STR1##
