DataVXACS Applied Energy MaterialsPaper
journal article·2019-02-25

Extremely Active Hydrogen Evolution Catalyst Electrochemically Generated from a Ruthenium-Based Perovskite-Type Precursor

Yuuki Sugawara, Keigo Kamata, Takeo Yamaguchi

ACS Applied Energy Materials· Volume 2· Issue 2
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Source abstract

Abstract

Water splitting requires highly active, easily prepared, and inexpensive electrocatalysts for hydrogen evolution reaction (HER). Herein, we report that Ru-based compounds, which are electrochemically generated from a simple perovskite oxide, SrRuO3, exhibit remarkably high HER activity in 1 M KOH solution, and the overpotential of HER is 0.11 V, representing the best performance among all of the reported perovskite-type catalysts. In addition, the activity surpasses that of the state-of-the-art Pt/C catalyst after repeated HER measurements. Hence, SrRuO3 is a promising electrochemical precursor for an efficient electrocatalyst for water splitting application.
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Research context

Electronic materialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced Photocatalysis Techniques · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-17, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan

Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan

Precursory Research for Embryonic Science and Technology (PRESTO), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan

Kanagawa Institute of Industrial Science and Technology (KISTEC), R1-17, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan

Funding

Precursory Research for Embryonic Science and Technology · Tokyo Institute of Technology · Kanagawa Institute of Industrial Science and Technology

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