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Efficient oxygen evolution electrocatalysis in acid by a perovskite with face-sharing IrO6 octahedral dimers

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  • Lan Yang

    (Jilin University
    Jilin University)

  • Guangtao Yu

    (Jilin University)

  • Xuan Ai

    (Jilin University)

  • Wensheng Yan

    (University of Science and Technology of China)

  • Hengli Duan

    (University of Science and Technology of China)

  • Wei Chen

    (Jilin University)

  • Xiaotian Li

    (Jilin University)

  • Ting Wang

    (Jilin University)

  • Chenghui Zhang

    (Jilin University)

  • Xuri Huang

    (Jilin University)

  • Jie-Sheng Chen

    (Shanghai Jiao Tong University)

  • Xiaoxin Zou

    (Jilin University)

Abstract

The widespread use of proton exchange membrane water electrolysis requires the development of more efficient electrocatalysts containing reduced amounts of expensive iridium for the oxygen evolution reaction (OER). Here we present the identification of 6H-phase SrIrO3 perovskite (6H-SrIrO3) as a highly active electrocatalyst with good structural and catalytic stability for OER in acid. 6H-SrIrO3 contains 27.1 wt% less iridium than IrO2, but its iridium mass activity is about 7 times higher than IrO2, a benchmark electrocatalyst for the acidic OER. 6H-SrIrO3 is the most active catalytic material for OER among the iridium-based oxides reported recently, based on its highest iridium mass activity. Theoretical calculations indicate that the existence of face-sharing octahedral dimers is mainly responsible for the superior activity of 6H-SrIrO3 thanks to the weakened surface Ir-O binding that facilitates the potential-determining step involved in the OER (i.e., O* + H2O → HOO* + H+ + e¯).

Suggested Citation

  • Lan Yang & Guangtao Yu & Xuan Ai & Wensheng Yan & Hengli Duan & Wei Chen & Xiaotian Li & Ting Wang & Chenghui Zhang & Xuri Huang & Jie-Sheng Chen & Xiaoxin Zou, 2018. "Efficient oxygen evolution electrocatalysis in acid by a perovskite with face-sharing IrO6 octahedral dimers," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07678-w
    DOI: 10.1038/s41467-018-07678-w
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    Cited by:

    1. Che Lah, Nurul Akmal, 2021. "Late transition metal nanocomplexes: Applications for renewable energy conversion and storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    2. Gyu Rac Lee & Jun Kim & Doosun Hong & Ye Ji Kim & Hanhwi Jang & Hyeuk Jin Han & Chang-Kyu Hwang & Donghun Kim & Jin Young Kim & Yeon Sik Jung, 2023. "Efficient and sustainable water electrolysis achieved by excess electron reservoir enabling charge replenishment to catalysts," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Fan Liao & Kui Yin & Yujin Ji & Wenxiang Zhu & Zhenglong Fan & Youyong Li & Jun Zhong & Mingwang Shao & Zhenhui Kang & Qi Shao, 2023. "Iridium oxide nanoribbons with metastable monoclinic phase for highly efficient electrocatalytic oxygen evolution," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    4. María Retuerto & Laura Pascual & Jorge Torrero & Mohamed Abdel Salam & Álvaro Tolosana-Moranchel & Diego Gianolio & Pilar Ferrer & Paula Kayser & Vincent Wilke & Svenja Stiber & Verónica Celorrio & Mo, 2022. "Highly active and stable OER electrocatalysts derived from Sr2MIrO6 for proton exchange membrane water electrolyzers," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    5. Dmitry Galyamin & Jorge Torrero & Isabel Rodríguez & Manuel J. Kolb & Pilar Ferrer & Laura Pascual & Mohamed Abdel Salam & Diego Gianolio & Verónica Celorrio & Mohamed Mokhtar & Daniel Garcia Sanchez , 2023. "Active and durable R2MnRuO7 pyrochlores with low Ru content for acidic oxygen evolution," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    6. Hui Su & Wanlin Zhou & Wu Zhou & Yuanli Li & Lirong Zheng & Hui Zhang & Meihuan Liu & Xiuxiu Zhang & Xuan Sun & Yanzhi Xu & Fengchun Hu & Jing Zhang & Tiandou Hu & Qinghua Liu & Shiqiang Wei, 2021. "In-situ spectroscopic observation of dynamic-coupling oxygen on atomically dispersed iridium electrocatalyst for acidic water oxidation," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    7. Jia-Wei Zhao & Kaihang Yue & Hong Zhang & Shu-Yin Wei & Jiawei Zhu & Dongdong Wang & Junze Chen & Vyacheslav Yu. Fominski & Gao-Ren Li, 2024. "The formation of unsaturated IrOx in SrIrO3 by cobalt-doping for acidic oxygen evolution reaction," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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