The present invention has been made to solve these problems, and provides an all solid state polymer electrolyte having high ion conductivity achieved by the selection of a specific polymer material or {HEAD ~ a gel state polymer} electrolyte having high ion conductivity achieved by the addition of a solvent in small enough amounts to prevent the reduction of {TAIL ~ the reliability} 
The present invention has been made to solve these problems , and provides an all solid state polymer electrolyte having high ion conductivity achieved by the selection of a specific polymer material or { HEAD ~ a gel state polymer } electrolyte having high ion conductivity achieved by the addition of a solvent in small enough amounts to prevent the reduction of { TAIL ~ the reliability }
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