Issue 22, 2023

Progress and prospects of dealloying methods for energy-conversion electrocatalysis

Abstract

Developing hydrogen production and utilization technologies is a promising way to achieve large-scale applications of renewable energy. For both water electrolysis and fuel cell electrode reactions, electrocatalysts are critical to their energy conversion efficiencies. Among the various strategies for improving the performance of electrocatalysts, dealloying has been developed as a commonly used effective post-processing method. It originated from anti-corrosion science and can form metal materials with porous or “skin” nanostructures by selectively dissolving the active components in alloys. There are generally two types of dealloying methods: electrochemical dealloying and chemical dealloying. Electrochemical dealloying is more controllable, while chemical dealloying is simpler and less expensive. In this review, the fundamentals, histories, and progress of dealloying methods for energy conversion electrocatalysis are systematically summarized. Furthermore, current problems and prospects are proposed.

Graphical abstract: Progress and prospects of dealloying methods for energy-conversion electrocatalysis

Supplementary files

Article information

Article type
Perspective
Submitted
12 fev 2023
Accepted
17 apr 2023
First published
02 may 2023

Dalton Trans., 2023,52, 7370-7382

Progress and prospects of dealloying methods for energy-conversion electrocatalysis

Y. Chen, Z. Tan, E. Wang, J. Yin, L. Luo, S. Shen and J. Zhang, Dalton Trans., 2023, 52, 7370 DOI: 10.1039/D3DT00449J

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