Proton-conducting Polymer Electrolyte Doped with Molybdophosphoric Acidand Ammonium Molybdophosphate

Abstract

Abstract: Polymer inorganic composite films of PEO-12-NPMA(NPMA: ammonium molybdophosphate; PEO: polyethylene oxide, Aldrich, M_w=600 000) and PEO-12-PMA(PMA: molybdophosphoric acid) have been prepared through a film casting method. The Keggin anions and the polymer molecules are linked together to form a new composite compound of PEO-12-PMA, which has a gauche conformation of PEO being changed to a certain degree. However, no new phase is observed in the PEO-12-NPMA composite film system. The protons in the composite materials form H bonds with the external oxygens of Keggin anions and the ether oxygens of PEO. The H bonding system of the PEO-12-NPMA film is superior to that of the PEO-12-PMA composite film. As a result, the conductivity of the PEO-12-NPMA film is higher than that of PEO-12-PMA film under the same condition.

Key words: Ammonium molybdophosphate, Molybdophosphoric acid, Polyethylene oxide(PEO), Proton conducting, Polymer electrolyte

CLC Number:

O614

TrendMD:

ZHAO Xu, XIONG Huan Ming, DING Hong, XI Chun Yu, CHEN Jie Sheng. Proton-conducting Polymer Electrolyte Doped with Molybdophosphoric Acidand Ammonium Molybdophosphate[J]. Chem. J. Chinese Universities, 2003, 24(4): 694.

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Proton-conducting Polymer Electrolyte Doped with Molybdophosphoric Acidand Ammonium Molybdophosphate

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