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Peer-reviewedCC BYACS nanoscience Au

Design Rules for Bimetallic and Multimetallic Nanocatalysts Harnessing Synergistic Effects for Alkaline Hydrogen Oxidation.

  • Yun-Shan Tsai1
  • Shang-Cheng Lin1
  • Cheng-Yu Wu1
  • Tung-Han Yang1,2,3
  1. 1Department of Chemical Engineering, National Tsing Hua University, Hsinchu 300044, Taiwan.
  2. 2High Entropy Materials Center, National Tsing Hua University, Hsinchu 300044, Taiwan.
  3. 3College of Semiconductor Research, National Tsing Hua University, Hsinchu 300044, Taiwan.
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Abstract

Anion-exchange membrane fuel cells offer a promising route for hydrogen-to-electricity conversion under alkaline conditions, yet the anode hydrogen oxidation reaction (HOR) remains kinetically sluggish. This Review summarizes key mechanistic views of alkaline HOR, including hydrogen binding, hydroxyl binding, bifunctional effects, and emerging roles of interfacial water and solvation. We highlight experimental tools, such as electrochemical adsorption probes and operando vibrational and X-ray spectroscopies, that reveal potential-dependent surface states and interfacial species. We also discuss theoretical approaches, including density functional theory and data-driven models, for evaluating ensemble effects and elementary reaction barriers. Building on these insights, we outline catalyst design principles for bimetallic and multimetallic nanocatalysts, including high-entropy alloys, emphasizing adsorption-strength tuning, ensemble control, and poisoning tolerance. These discussions provide a basis for rational catalyst optimization under practical alkaline fuel-cell conditions. Finally, we propose six future directions to bridge mechanistic understanding and practical catalyst development for durable, device-relevant alkaline HOR catalysts.

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Cite

BibTeXRIS
BibTeX
@article{tsai2026design,
  title = {{Design Rules for Bimetallic and Multimetallic Nanocatalysts Harnessing Synergistic Effects for Alkaline Hydrogen Oxidation.}},
  author = {Yun-Shan Tsai and Shang-Cheng Lin and Cheng-Yu Wu and Tung-Han Yang},
  journal = {ACS nanoscience Au},
  year = {2026},
  month = jul,
  doi = {10.1021/acsnanoscienceau.6c00055},
  url = {https://europepmc.org/article/MED/42921036},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Design Rules for Bimetallic and Multimetallic Nanocatalysts Harnessing Synergistic Effects for Alkaline Hydrogen Oxidation.
AU  - Yun-Shan Tsai
AU  - Shang-Cheng Lin
AU  - Cheng-Yu Wu
AU  - Tung-Han Yang
PY  - 2026
DA  - 2026/07/06
JO  - ACS nanoscience Au
DO  - 10.1021/acsnanoscienceau.6c00055
UR  - https://europepmc.org/article/MED/42921036
AB  - Anion-exchange membrane fuel cells offer a promising route for hydrogen-to-electricity conversion under alkaline conditions, yet the anode hydrogen oxidation reaction (HOR) remains kinetically sluggish. This Review summarizes key mechanistic views of alkaline HOR, including hydrogen binding, hydroxyl binding, bifunctional effects, and emerging roles of interfacial water and solvation. We highlight experimental tools, such as electrochemical adsorption probes and operando vibrational and X-ray spectroscopies, that reveal potential-dependent surface states and interfacial species. We also discuss theoretical approaches, including density functional theory and data-driven models, for evaluating ensemble effects and elementary reaction barriers. Building on these insights, we outline catalyst design principles for bimetallic and multimetallic nanocatalysts, including high-entropy alloys, emphasizing adsorption-strength tuning, ensemble control, and poisoning tolerance. These discussions provide a basis for rational catalyst optimization under practical alkaline fuel-cell conditions. Finally, we propose six future directions to bridge mechanistic understanding and practical catalyst development for durable, device-relevant alkaline HOR catalysts.
SN  - 2694-2496
ER  -