Polyimide‐polysiloxane‐segmented copolymers as high‐temperature polymer electrolytes

Abstract Based on the fact that the flexibility of the polymer backbone will affect the ion transport and sometimes enhance the ionic conductivity, copolymer electrolytes of 1,2,4,5‐benzene‐tetracarboxylic dianhydride (PMDA), 4‐aminophenyl ether (ODA), and aminopropyldimethyl‐terminated polydimethylsiloxane (PSX), with or without doping of lithium triflate, have been prepared and investigated by infrared spectroscopy and electrical …