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Proceedings Paper

Some electrochemical aspects of aqueous ionic polymer-composite actuators
Author(s): Edgar Hamburg; Zane Zondaka; Andres Punning; Urmas Johanson; Alvo Aabloo
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Paper 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.

Paper Details

Date Published: 15 April 2016
PDF: 9 pages
Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979815 (15 April 2016); doi: 10.1117/12.2219031
Show Author Affiliations
Edgar Hamburg, Univ. of Tartu (Estonia)
Zane Zondaka, Univ. of Tartu (Estonia)
Andres Punning, Univ. of Tartu (Estonia)
Urmas Johanson, Univ. of Tartu (Estonia)
Alvo Aabloo, Univ. of Tartu (Estonia)

Published in SPIE Proceedings Vol. 9798:
Electroactive Polymer Actuators and Devices (EAPAD) 2016
Yoseph Bar-Cohen; Frédéric Vidal, Editor(s)

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