Some electrochemical aspects of aqueous ionic polymer-composite actuators

Edgar Hamburg; Zane Zondaka; Andres Punning; Urmas Johanson; Alvo Aabloo

doi:10.1117/12.2219031

15 April 2016 Some electrochemical aspects of aqueous ionic polymer-composite actuators

Edgar Hamburg, Zane Zondaka, Andres Punning, Urmas Johanson, Alvo Aabloo

Proceedings Volume 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016; 979815 (2016) https://doi.org/10.1117/12.2219031
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2016, Las Vegas, Nevada, United States

Abstract

Depending on the electrode material and on the cations, the electrolysis of water starts at significantly higher voltages than the standard potential of the water electrolysis cell, which is 1.23V. We present the simple methodic of determining the "safe" voltage of aqueous IPMCs below what there is no water electrolysis, with the corresponding quantitative data. Higher voltages applied to IPMC cause irreversible formation of platinum oxides and absorption of hydrogen on the platinum electrodes that can change the mechanism of water electrolysis and decrease the minim required voltage of water electrolysis even below the 1.23V.

Citation Download Citation

Edgar Hamburg, Zane Zondaka, Andres Punning, Urmas Johanson, and Alvo Aabloo "Some electrochemical aspects of aqueous ionic polymer-composite actuators", Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979815 (15 April 2016); https://doi.org/10.1117/12.2219031

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