The problem has been solved by the use of polymer electrolyte having a ketonic carbonyl group wherein the weight ratio of {HEAD ~ the ketonic carbonyl group} is in the range of {TAIL ~ 15 to 50 wt %} based on the weight of the polymer material 
The problem has been solved by the use of polymer electrolyte having a ketonic carbonyl group wherein the weight ratio of { HEAD ~ the ketonic carbonyl group } is in the range of { TAIL ~ 15 to 50 wt % } based on the weight of the polymer material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH