Formation of a battery from an ion-exchange membrane and a polypyrrole composite

Abstract

A composite membrane, composed of polypyrrole anisotropically incorporated into an anion exchange membrane, when placed between platinum plates, produced an e.m.f. which changed with relative humidity like a hygrometer; a lithium battery with an e.m.f. of 2.5 V has been obtained by piling up the composite membrane, swollen with propylene carbonate, on lithium foil.