| 摘要 |
The present invention provides a non-aqueous electrolyte cell that utilizes lithium manganese oxide, which is cheap, for the positive electrode active material and thus has improved high-temperature cycle characteristics. The non-aqueous electrolyte cell has a positive electrode including lithium manganese oxide as an active material, a negative electrode, and a polymer electrolyte. The polymer electrolyte is a polymerization of a prepolymer included in a prepolymer electrolyte that includes a non-aqueous solvent, an electrolyte salt, and the prepolymer. As the prepolymer, polyester acrylate and/or polyester methacrylate are used.
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