articleAdvanced Sustainable SystemsJan 1, 2026Closed access

Recent Progress on the Ultralow‐Overpotential Electrocatalysts for Hydrogen Evolution Reaction

HXHongqiang XinZLZeming LinZDZhengfei Dai

Lanzhou Jiaotong University · Xi'an Jiaotong University

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Abstract

ABSTRACT Electrocatalytic water splitting is crucial for sustainable clean hydrogen production through the cathodic hydrogen evolution reaction (HER). The development of efficient electrocatalysts with ultralow overpotentials is recognized as a key to the practical deployment of water electrolysis. This review outlines HER electrocatalysis fundamentals, including the reaction pathways and the performance evaluation metrics, and summarizes the recent progress of ultralow overpotential HER catalysts. For reducing the HER overpotential, a range of sophisticated strategies have been proposed for the noble or transition metal‐based catalytic systems, such as alloying, doping, interface, phase, and defect…

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10
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37.47
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100%
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177
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3

Topics & keywords

Topics
Keywords
  • Overpotential
  • Electrocatalyst
  • Electrolysis of water
  • Hydrogen production
  • Water splitting
  • Catalysis
  • Hydrogen economy
UN Sustainable Development Goals
  • Industry, innovation and infrastructure
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