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Description:

Alternative strategies to design sustainable-element-based electrocatalysts enhancing oxygen evolution reaction (OER) kinetics are demanded to develop affordable yet highperformance waterelectrolyzers for green hydrogen production. Here, it is demonstrated that the spontaneous-spin-polarized two-dimensional π-d conjugated framework comprising abundant elements of nickel and iron with a ratio of Ni:Fe =1:4 with benzenehexathiol linker (BHT) can improve OER kinetics by its unique electronic property. Among the bimetallic NiFex:y-BHTs with various ratios with Ni:Fe = x:y, the NiFe1:4-BHT exhibits the highest OER activity. The NiFe1:4-BHT shows a specific current density of 140 A/g at the overpotential of 350 mV.

Rights:

• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

  https://creativecommons.org/licenses/by-nc/4.0/

Keyword: coordination frameworks, electrocatalysts, oxygen evolution reaction, spin-polarization

Date published: 2024-05-28

Publisher: Wiley

Journal:

• Small (ISSN: 16136810) vol. 20 issue. 40 2401987

Funding:

• Ministry of Education, Culture, Sports, Science and Technology JPMXP1122712807
• National Science and Technology Council 110‐2222‐E‐006‐014‐MY3
• National Science and Technology Council 112‐2923‐E‐006‐004
• Japan Society for the Promotion of Science 19H05460

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1002/smll.202401987

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Updated at: 2024-10-09 08:30:49 +0900

Published on MDR: 2024-10-09 08:30:49 +0900