Low-iridium doped single-crystalline hydrogenated titanates (H2Ti3O7) with large exposed {100} facets for enhanced oxygen evolution reaction under acidic conditions

Jung, Sun Young; Kim, Kang Min; Ryu, Jeong Ho; Yeo, Sunghwan; Jeon, Hyelin; Nayak, Arpan Kumar; Thảo, Nguyễn Thị Thu; Enkhtuvshin, Enkhbayar; Kim, So Jung; Jang, Jin Uk; Kim, Min Gi; Na, Kyeong‐Han; Choi, Won‐Youl; Bang, Junghwan; Choi, Seunggun; Song, Taeseup; Mhin, Sungwook; Han, HyukSu

doi:10.1016/j.jallcom.2023.169466

Journal of Alloys and Compounds

2023

DOI: 10.1016/j.jallcom.2023.169466

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Low-iridium doped single-crystalline hydrogenated titanates (H2Ti3O7) with large exposed {100} facets for enhanced oxygen evolution reaction under acidic conditions

Sun Young Jung

Kang Min Kim

Jeong Ho Ryu

et al.

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Cited by 3 publications

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Current Trends of Iridium‐Based Catalysts for Oxygen Evolution Reaction in Acidic Water Electrolysis

Thao,

Jang,

Nayak

et al. 2023

Small Science

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The proton exchange membrane water electrolysis (PEMWE) powered by renewable electricity offers a facile route for clean hydrogen production. The oxygen evolution reaction (OER) at the anode plays a major role in affecting the overall device efficiency due to its sluggish OER kinetics. Thus, it remains a challenge to develop robust and active catalysts for OER in acid media for efficient PEMWE. Currently, iridium (Ir)‐based materials, such as mono‐ and multimetallic Ir, Ir‐based oxides, pyrochlore iridate oxides, and Ir‐based perovskites, are the most promising OER catalysts in acid media for PEMWEs. Extensive research has been conducted to enhance the specific activity of Ir species to make cost‐effective. The present review aims to provide the recent progress on addressing the long‐term durability issue of Ir‐based catalyst for OER in acidic conditions, aspiring to inspire the researchers to design highly efficient and stable Ir‐based catalysts. Moreover, the detailed OER mechanism along with the dissolution nature of Ir species is discussed and summarized. Finally, the status, challenges, and prospects for the development of Ir‐based OER catalysts are discussed.

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Current Trends of Iridium‐Based Catalysts for Oxygen Evolution Reaction in Acidic Water Electrolysis

Thao,

Jang,

Nayak

et al. 2023

Small Science

Self Cite

View full text Add to dashboard Cite

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Theoretical study of alkali metals (Li, Na, K) intercalation in the H2Ti3O7(1 0 0) surface

Juan,

Fernández-Werner,

Jasen

et al. 2024

Applied Surface Science

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Beyond conventional structures: emerging complex metal oxides for efficient oxygen and hydrogen electrocatalysis

Zhu,

Tang,

Yuan

et al. 2025

Chem. Soc. Rev.

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Low-iridium doped single-crystalline hydrogenated titanates (H2Ti3O7) with large exposed {100} facets for enhanced oxygen evolution reaction under acidic conditions

Cited by 3 publications

References 38 publications

Current Trends of Iridium‐Based Catalysts for Oxygen Evolution Reaction in Acidic Water Electrolysis

Current Trends of Iridium‐Based Catalysts for Oxygen Evolution Reaction in Acidic Water Electrolysis

Theoretical study of alkali metals (Li, Na, K) intercalation in the H2Ti3O7(1 0 0) surface

Beyond conventional structures: emerging complex metal oxides for efficient oxygen and hydrogen electrocatalysis

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