| 摘要 |
A crosslinked polymer with high ionic conductivity, an electrolyte using the crosslinked polymer and a process for producing the electrolyte, and a nonaqueous secondary battery using the electrolyte. Crosslinked polymers obtained by a crosslinking reaction between a compound having at least two substituents, in total, of at least one kind selected from the group consisting of alpha,beta-unsaturated sulfonyl, alpha,beta-unsaturated nitryl and alpha,beta-unsaturated carbonyl groups in its molecule and a compound having at least two nucleophilic groups in its molecule.
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