Journal
MATERIALS LETTERS
Volume 57, Issue 4, Pages 873-881Publisher
ELSEVIER
DOI: 10.1016/S0167-577X(02)00888-1
Keywords
composite polymer electrolyte; PVA; glass-fiber-cloth; ionic conductivity
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A composite solid-state polymer electrolyte composed of PVA polymer with a glass-fiber-cloth mat, KOH and H2O, was prepared by a solution casting method. The ionic conductivity of alkaline composite PVA polymer electrolyte is about 0.047 S cm(-1) at room temperature. The characteristic properties of composite PVA polymer electrolyte films were studied by DSC, TGA, SEM, cyclic voltammetry, and AC impedance method. The PVA polymer electrolytes combined with glass-fiber-cloth mat show an excellent mechanical strength and high ionic conductivity. The electrochemical stability window at the metal/electrolyte interface is of +/-1.2 V for stainless steel electrode. (C) 2002 Elsevier Science B.V. All rights reserved.
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