Non-aqueous electrolyte secondary battery

摘要

A non-aqueous electrolyte secondary battery employs a negative electrode which contains an alkali metal as an active material, and is provided with a polymer film thereon, the polymer film being provided with a gel electrolyte thereon. The polymer film is made of a polymeric monomer which has Ämolecular weight/terminal polymer functional group numberÜ of 500 or less, and a structure represenated by one of the formulas (1)-(4): wherein EO refers to CH2CH2O, PO refers to CH2(CH3)CHO, (EOmPOn) indicates one of random polymerization and block polymerization, and wherein m and n do not represent 0 at the same time where 0≤m and 0≤n.