Innovative anode catalyst designed to reduce the degradation in ozone generation via PEM water electrolysis

Jyun-Wei Yu, Guo-Bin Jung, Chi-Wen Chen, Chia-Chen Yeh, Xuan-Vien Nguyen, Chia-Ching Ma, Chung-Wei Hsieh and Cheng-Lung Lin

Renewable Energy, 2018, vol. 129, issue PB, 800-805

Abstract: Membrane electrode assemblies (MEAs) using commercial PbO2 powder as the anode catalyst to generate ozone via water electrolysis were traditionally adopted. We found that commercial MEAs evinced the typical degradation phenomenon after a current interruption and restart during operation, where the performance degraded and partially recovered after the resumption of current. In this study, homemade MEAs using PbO2 powder and additives were developed, which ameliorated the degradation phenomenon. SEM and XRD analysis were used to compare the anode structure of the homemade to commercial MEAs after short–and long–term operation post–resumption of current after an interruption.

Keywords: Water electrolysis; Ozone generation; Membrane electrode assembly; Membrane degradation (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:129:y:2018:i:pb:p:800-805

DOI: 10.1016/j.renene.2017.04.028

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