Water content criterion for relaxation deformation of Nafion based ionic polymer metal composites doped with alkali cations

Zhu, Zicai; Chang, Longfei; Takagi, Kentaro; Wang, Yanjie; Chen, Hualing; Li, Dichen

doi:10.1063/1.4892636

Public

Water content criterion for relaxation deformation of Nafion based ionic polymer metal composites doped with alkali cations

Published in Applied Physics Letters • Aug 4, 2014

Authors:

Zicai Zhu

Longfei Chang

Kentaro Takagi

Abstract

Water-based ionic polymer–metal composites (IPMCs) exhibit an anode deformation followed by a back-relaxation deformation under a direct current voltage. The latter is strongly related to the water content. This Letter proposes an evaluation method of the critical water content for relaxation deform...

Subject

Nafion

Materials science

Deformation (meteorology)

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