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Boosting electrocatalytic performance via electronic structure regulation for acidic oxygen evolution.

Qian Wu1, Qingping Gao2, Xingpeng Wang2

  • 1Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China.

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|January 23, 2024
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Developing advanced electrocatalysts is key for efficient hydrogen production via water electrolysis. This review details strategies to enhance electrocatalyst performance for acidic oxygen evolution reactions (OER), improving sustainable energy solutions.

Keywords:
Energy materialsMaterials chemistryPhysical chemistry

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Sustainable Energy

Background:

  • Acidic water electrolysis is crucial for sustainable hydrogen fuel production.
  • Anodic electrocatalysts face challenges in activity and stability due to corrosive conditions in acidic oxygen evolution reactions (OER).

Purpose of the Study:

  • To comprehensively review strategies for enhancing electrocatalyst performance in acidic OER.
  • To guide the design of highly active and stable electrocatalysts for efficient hydrogen production.

Main Methods:

  • Focuses on electronic structure modification techniques.
  • Includes defect engineering, doping, alloying, atomic arrangement, surface reconstruction, and metal-support interactions.
  • Discusses the oxygen evolution reaction mechanism in acidic environments.

Main Results:

  • Electronic structure regulation effectively boosts electrocatalyst activity and stability.
  • Various strategies like doping and alloying show promise for improving OER performance.
  • Understanding the OER mechanism is vital for catalyst design.

Conclusions:

  • Electronic structure modification is a powerful strategy for developing superior acidic OER electrocatalysts.
  • Further research into novel synthesis and design approaches is encouraged.
  • High-performance electrocatalysts are essential for advancing sustainable hydrogen energy.