Sughrue, Mion, Zinn Macpeak & Seas, PLLC.
Polymerizable compound, solid polymer electrolyte using the same and use thereof
 The polymer compound of the present invention which contains a poly- or oligo-carbonate group and is preferably obtained by utilizing a polymerization reaction using a polymerizable functional group represented by formula (2) and/or formula (3) below: ##STR1## exhibits good strength even when it is formed into a thin film and has high ion conductivity and excellent workability. By the use of this polymer compound, solid polymer electrolyte, battery and/or electric double layer capacitor having high-temperature characteristics and large current characteristics are provided. 
Showa Denko Kabushiki Kaisha
Y H H H Y C H C H H
Y02E H01G H01M H01M Y02E C07C H01G C07C H01G H01M
additional inventional inventional inventional additional inventional inventional inventional inventional inventional
Ayako Masaaki Masataka Shuichi Takashi
Nishioka Nishioka Takeuchi Naijo Ohkubo