Strategies for designing high-performance hydrogen evolution reaction electrocatalysts at large current densities above 1000 mA cm-2

Mengtian Jin, Xian Zhang, Shuzhang Niu, Qun Wang, Runqing Huang, Ruihua Ling, Jiaqi Huang, Run Shi, Abbas Amini, Chun Cheng

Research output: Contribution to journalArticlepeer-review

Abstract

The depletion of fossil fuels and rapidly increasing environmental concerns have urgently called for the utilization of clean and sustainable sources for future energy supplies. Hydrogen (H2) is recognized as a prioritized green resource with little environmental impact to replace traditional fossil fuels. Electrochemical water splitting has become an important method for large-scale green production of hydrogen. The hydrogen evolution reaction (HER) is the cathodic half-reaction of water splitting that can be promoted to produce pure H2in large quantities by active electrocatalysts. However, the unsatisfactory performance of HER electrocatalysts cannot follow the extensive requirements of industrial-scale applications, including working efficiently and stably over long periods of time at high current densities (1000 mA cm-2). In this review, we study the crucial issues when electrocatalysts work at high current densities and summarize several categories of strategies for the design of high-performance HER electrocatalysts. We also discuss the future challenges and opportunities for the development of HER catalysts.
Original languageEnglish
Pages (from-to)11577-11597
Number of pages21
JournalACS Nano
Volume16
Issue number8
DOIs
Publication statusPublished - 2022

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