Improvement of electrochemical deformation of conducting polymers: strain, force, and response

Keiichi Kaneto; Megumi Nakashima; Wataru Takashima

doi:10.1117/12.536654

27 July 2004 Improvement of electrochemical deformation of conducting polymers: strain, force, and response

Keiichi Kaneto, Megumi Nakashima, Wataru Takashima

Proceedings Volume 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD); (2004) https://doi.org/10.1117/12.536654
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

Abstract

Dependencies of electrochemomechanical deformation (ECMD) of polyaniline films on pH and supporting electrolyte concentration have been investigated to improve the performance of ECMD. It has been found that the magnitude and electroactive pH range of ECMD increase with increasing the concentration of supporting electrolyte. The electroactive pH range is extended from pH2 to pH3 for the strain of 5.5% with increasing the Cl- concentration from 0. 05 M to 3.0 M. The maximum strain of ECMD is attained to 7% with shifting the pH. These results are consistent with the facts of increased conductivity and the development of absorption spectra at higher electrolyte concentrations, which can be explained in terms of the Donnan effect.

Citation Download Citation

Keiichi Kaneto, Megumi Nakashima, and Wataru Takashima "Improvement of electrochemical deformation of conducting polymers: strain, force, and response", Proc. SPIE 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD), (27 July 2004); https://doi.org/10.1117/12.536654

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