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Efficient overall water splitting in acid with anisotropic metal nanosheets

Authors
  • Wu, Dongshuang1
  • Kusada, Kohei1
  • Yoshioka, Satoru2
  • Yamamoto, Tomokazu2
  • Toriyama, Takaaki2
  • Matsumura, Syo2, 2
  • Chen, Yanna3
  • Seo, Okkyun3
  • Kim, Jaemyung3
  • Song, Chulho3
  • Hiroi, Satoshi3
  • Sakata, Osami3
  • Ina, Toshiaki4
  • Kawaguchi, Shogo4
  • Kubota, Yoshiki5
  • Kobayashi, Hirokazu1
  • Kitagawa, Hiroshi1
  • 1 Kyoto University,
  • 2 Kyushu University,
  • 3 Synchrotron X-ray Group and Synchrotron X-ray Station at SPring-8, National Institute for Materials Science,
  • 4 Research and Utilization Division, Japan Synchrotron Radiation Research Institute (JASRI),
  • 5 Osaka Prefecture University,
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Feb 16, 2021
Volume
12
Identifiers
DOI: 10.1038/s41467-021-20956-4
PMID: 33594054
PMCID: PMC7887272
Source
PubMed Central
Keywords
License
Unknown

Abstract

Ru is one of the most active metals for oxygen evolution reaction, but it quickly dissolves in acidic electrolyte particularly in nanosized form. Here, the authors show that coral-like solid-solution Ru‒Ir consisting of 3 nm-thick sheets with only 6 at% Ir is a long-lived catalyst with high activity.

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