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The simultaneous realization of biomass conversion and clean energy hydrogen (H2) production remains a desirable but challenging objective. Herein, we present a strategy that simultaneously enables anodic electrocatalytic xylose oxidation (EXO) coupling with the cathodic hydrogen evolution reaction (HER). In the EXO process, the hierarchical microcolumn NiMoO4 array exhibits excellent performance, achieving 200 and 231 mV reduction of overpotential compared to the oxygen evolution reaction at 10 and 50 mA cm−2, respectively, and an overpotential of 130 mV lower than that of Ni foam at 50 mA cm−2. The mechanism studies reveal that the OH* are effective active species to facilitate the EXO process. For HER, the P-doped NiMoO4 (P-NiMoO4) electrode exhibits remarkable HER performance, achieving 64 and 197 mV overpotential at 10 and 50 mA∙cm−2, respectively.

Rights:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

Keyword: NiMoO4

Date published: 2025-05-06

Publisher: Elsevier BV

Journal:

• Applied Catalysis B: Environment and Energy (ISSN: 09263373) vol. 375 125443

Funding:

• National Natural Science Foundation of China 22078374
• National Natural Science Foundation of China 22378434
• Scientific and Technological Planning Project of Guangzhou City
• National Key Research and Development Program of China 2024YFE0203000

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

MDR DOI:

First published URL: https://doi.org/10.1016/j.apcatb.2025.125443

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Updated at: 2026-01-20 11:16:38 +0900

Published on MDR: 2026-01-20 12:22:58 +0900