Trace Ru-Doped PtCuRu@PtRu Core-Shell Electrocatalyst for CO-Resilient Methanol Oxidation.

Tianrui Xue, Shiyue Xing, Zhongliang Liu, Yiting Song, Jianyi Zhang, Miaomiao Liu, Huihui Li, Chunzhong Li

Abstract read

In one paragraph

Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Tianrui XueKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Shiyue XingKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Zhongliang LiuKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Yiting SongKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Jianyi ZhangKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Miaomiao LiuKey Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, P. R. China.

Huihui LiKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Chunzhong LiKey Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P. R. China.

Funding

Fundamental Research Funds for the Central Universities JKA01261724National Natural Science Foundation of China 22478121National Natural Science Foundation of China 22522809National Natural Science Foundation of China U22B20143National Natural Science Foundation of China U24A20546Shanghai Municipal Science and Technology Major Project

6 · The paper itself

Abstract

To overcome the limited water dissociation capability and transition metal dissolution in Pt-based binary alloys during methanol oxidation reaction (MOR), a PtCuRu-0.05@PtRu core-shell electrocatalyst with trace Ru doping was synthesized via liquid-phase reduction followed by in-situ electrochemical dealloying. The design leverages three synergistic mechanisms: oxophilic Ru sites in the Pt-rich shell facilitate water dissociation to generate *OH for efficient *CO oxidation; lattice mismatch between the ternary PtCuRu core and trace Ru-doped Pt-rich shell induces compressive strain, downshifting the Pt d-band center to weaken *CO adsorption; and the Pt-rich shell acts as a diffusion barrier suppressing Cu dissolution. As a result, PtCuRu-0.05@PtRu delivers the highest mass activity of 1.208 A mg

Indexed as

anti‐CO poisoningbifunctional mechanismcore‐shell structuremethanol oxidation reaction

Identifiers

PMID42136538

DOI10.1002/advs.75638

PMCPMC13335856

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