Observation of a robust and active catalyst for hydrogen evolution under high current densities

Yudi Zhang; Kathryn E. Arpino; Qun Yang; Naoki Kikugawa; Dmitry A. Sokolov; Clifford W. Hicks; Jian Liu; Claudia Felser; Guowei Li

doi:10.1038/s41467-022-35464-2

Observation of a robust and active catalyst for hydrogen evolution under high current densities

Yudi Zhang, Kathryn E. Arpino, Qun Yang, Naoki Kikugawa, Dmitry A. Sokolov, Clifford W. Hicks, Jian Liu^*, Claudia Felser^*, Guowei Li^*

^*Corresponding author for this work

Physics and Astronomy

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Abstract

Despite the fruitful achievements in the development of hydrogen production catalysts with record-breaking performances, there is still a lack of durable catalysts that could work under large current densities (>1000 mA cm⁻²). Here, we investigated the catalytic behaviors of Sr₂RuO₄ bulk single crystals. This crystal has demonstrated remarkable activities under the current density of 1000 mA cm⁻², which require overpotentials of 182 and 278 mV in 0.5 M H₂SO₄ and 1 M KOH electrolytes, respectively. These materials are stable for 56 days of continuous testing at a high current density of above 1000 mA cm⁻² and then under operating temperatures of 70 °C. The in-situ formation of ferromagnetic Ru clusters at the crystal surface is observed, endowing the single-crystal catalyst with low charge transfer resistance and high wettability for rapid gas bubble removal. These experiments exemplify the potential of designing HER catalysts that work under industrial-scale current density.

Original language	English
Article number	7784
Number of pages	11
Journal	Nature Communications
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41467-022-35464-2
Publication status	Published - 16 Dec 2022

Bibliographical note

Funding Information:
This work was financially supported by the National Natural Science Foundation of China (Grant No. 52271194 for G.L.), European Research Council (ERC Advanced Grant No. 742068 “TOPMAT” for C.F.), funding by the DFG through SFB 1143 (project ID. 247310070 for C.F.) and the Würzburg-Dresden Cluster of Excellence on Complexity and Topology in Quantum Matter ct.qmat (EXC2147, project ID. 39085490 for C.F.) and via DFG project HE 3543/35–1, and the foundation of the director of NIMTE, CAS. J.L. thanks the funding from the Zhejiang Provincial Natural Science Foundation of China (Grant No. LD21E010001), Ningbo Science and Technology Innovation 2025 Major Project (Grant No. 2020Z063). G.L. thanks Ulrich Burkhardt for taking the SEM measurements and elemental analysis. We also thanks Dmitry Knyazev for making the FIB sample and Hakan Deniz for the TEM measurements.

Publisher Copyright:
© 2022, The Author(s).

ASJC Scopus subject areas

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General
General Physics and Astronomy

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Cite this

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title = "Observation of a robust and active catalyst for hydrogen evolution under high current densities",

abstract = "Despite the fruitful achievements in the development of hydrogen production catalysts with record-breaking performances, there is still a lack of durable catalysts that could work under large current densities (>1000 mA cm−2). Here, we investigated the catalytic behaviors of Sr2RuO4 bulk single crystals. This crystal has demonstrated remarkable activities under the current density of 1000 mA cm−2, which require overpotentials of 182 and 278 mV in 0.5 M H2SO4 and 1 M KOH electrolytes, respectively. These materials are stable for 56 days of continuous testing at a high current density of above 1000 mA cm−2 and then under operating temperatures of 70 °C. The in-situ formation of ferromagnetic Ru clusters at the crystal surface is observed, endowing the single-crystal catalyst with low charge transfer resistance and high wettability for rapid gas bubble removal. These experiments exemplify the potential of designing HER catalysts that work under industrial-scale current density.",

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note = "Funding Information: This work was financially supported by the National Natural Science Foundation of China (Grant No. 52271194 for G.L.), European Research Council (ERC Advanced Grant No. 742068 “TOPMAT” for C.F.), funding by the DFG through SFB 1143 (project ID. 247310070 for C.F.) and the W{\"u}rzburg-Dresden Cluster of Excellence on Complexity and Topology in Quantum Matter ct.qmat (EXC2147, project ID. 39085490 for C.F.) and via DFG project HE 3543/35–1, and the foundation of the director of NIMTE, CAS. J.L. thanks the funding from the Zhejiang Provincial Natural Science Foundation of China (Grant No. LD21E010001), Ningbo Science and Technology Innovation 2025 Major Project (Grant No. 2020Z063). G.L. thanks Ulrich Burkhardt for taking the SEM measurements and elemental analysis. We also thanks Dmitry Knyazev for making the FIB sample and Hakan Deniz for the TEM measurements. Publisher Copyright: {\textcopyright} 2022, The Author(s).",

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AU - Hicks, Clifford W.

AU - Liu, Jian

AU - Felser, Claudia

AU - Li, Guowei

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N2 - Despite the fruitful achievements in the development of hydrogen production catalysts with record-breaking performances, there is still a lack of durable catalysts that could work under large current densities (>1000 mA cm−2). Here, we investigated the catalytic behaviors of Sr2RuO4 bulk single crystals. This crystal has demonstrated remarkable activities under the current density of 1000 mA cm−2, which require overpotentials of 182 and 278 mV in 0.5 M H2SO4 and 1 M KOH electrolytes, respectively. These materials are stable for 56 days of continuous testing at a high current density of above 1000 mA cm−2 and then under operating temperatures of 70 °C. The in-situ formation of ferromagnetic Ru clusters at the crystal surface is observed, endowing the single-crystal catalyst with low charge transfer resistance and high wettability for rapid gas bubble removal. These experiments exemplify the potential of designing HER catalysts that work under industrial-scale current density.

AB - Despite the fruitful achievements in the development of hydrogen production catalysts with record-breaking performances, there is still a lack of durable catalysts that could work under large current densities (>1000 mA cm−2). Here, we investigated the catalytic behaviors of Sr2RuO4 bulk single crystals. This crystal has demonstrated remarkable activities under the current density of 1000 mA cm−2, which require overpotentials of 182 and 278 mV in 0.5 M H2SO4 and 1 M KOH electrolytes, respectively. These materials are stable for 56 days of continuous testing at a high current density of above 1000 mA cm−2 and then under operating temperatures of 70 °C. The in-situ formation of ferromagnetic Ru clusters at the crystal surface is observed, endowing the single-crystal catalyst with low charge transfer resistance and high wettability for rapid gas bubble removal. These experiments exemplify the potential of designing HER catalysts that work under industrial-scale current density.

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Observation of a robust and active catalyst for hydrogen evolution under high current densities

Abstract

Bibliographical note

ASJC Scopus subject areas

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