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In Situ Analysis of Incipient Melting in a Novel High Strength Al–Cu Cast Alloy Using Laser Scanning Confocal Microscopy (LSCM) Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Effects of Precursor Concentration on the Surface Morphology and Electrocatalytic Performance of Ti/IrO2–RuO2–SiO2 Anode for Oxygen Evolution Reaction

Authors : Bao Liu, Shuo Wang, Qiankun Jing, Chengyan Wang

Published in: TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings

Publisher: Springer International Publishing

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Abstract

Oxygen evolution reaction (OER) as a counter reaction plays a key role in metal electrowinning. The development of an efficient, long-lived and low-cost anode for OER is of increasingly significance for metal electrowinning. IrO2–RuO2–SiO2 ternary oxide film coated on titanium substrate was prepared using sol-gel route, followed by thermal decomposition method. The effects of precursor concentration on the surface morphology and electrocatalytic properties of Ti/IrO2–RuO2–SiO2 anode were investigated by physical characterization and electrochemical measurements. It was found that the crystallinity of the oxide coating decreased with increasing precursor concentration. Increasing precursor concentration increased the amount of cracks of the oxide coating. The electrocatalytic activity of the prepared anode improved, while the electrocatalytic stability decreased with the increase in precursor concentration. Considering the electrocatalytic activity and stability, precursor concentration of 0.2–0.3 mol L−1 is most suitable for the preparation of the Ti/IrO2–RuO2–SiO2 anode.

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Metadata
Title
Effects of Precursor Concentration on the Surface Morphology and Electrocatalytic Performance of Ti/IrO2–RuO2–SiO2 Anode for Oxygen Evolution Reaction
Authors
Bao Liu
Shuo Wang
Qiankun Jing
Chengyan Wang
Copyright Year
2020
Book
TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings

Print ISBN: 978-3-030-36295-9

Electronic ISBN: 978-3-030-36296-6

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-36296-6_118

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