| abstract |
[PROBLEMS] To provide high safety, exhibit good ion conductivity not only at room temperature, but also in a low temperature region below room temperature, and also have excellent reduction resistance, and can be suitably used as a material for a lithium ion battery. An electrolyte material is provided. An electrolyte material containing a specific polymer having an ether bond in a side chain and a specific electrolyte salt as essential components. [Selection figure] None |