期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 662, 期 1, 页码 116-122出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2011.04.005
关键词
PEM water electrolysis; Iridium oxide; Magnetron sputtered catalysts; Nation loading
资金
- European Space Agency (ESA)
- Greek Ministry of Development-GSRT [09SYN-42-729]
The optimal amount of Nafion ionomer applied on IrO2 sputter-deposited electrodes on Ti covered carbon paper was investigated during low temperature PEM water splitting. Different Nation ionomer loadings were applied on IrO2 electrodes and their performance towards the oxygen evolution reaction was evaluated. An optimum Nation loading of 1.5 mg cm(-2) was found which gives a current density of 0.18 A cm(-2) at 1.75 V and 60 degrees C. The anode selectivity to O-2 versus CO2 production was 100% and no signs of performance deterioration were observed over periods of several days. (C) 2011 Elsevier B.V. All rights reserved.
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