In-situ/Operando Mössbauer Spectroscopic Investigations of Fe-involved Metal Hydroxide-Based OER Electrocatalysts

IF 2.1 4区化学 Q3 CHEMISTRY, PHYSICAL Catalysis Surveys from Asia Pub Date : 2024-08-30 DOI:10.1007/s10563-024-09432-3

Peijia Liu, Sumbal Farid, Min Liu, Junhu Wang

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Abstract

Creating cost-effective and efficient electrocatalysts for the sluggish oxygen evolution reaction (OER) is crucial for practical implementation of hydrogen production via water electrolysis, advancing metal-air batteries, and converting CO₂ into value-added chemicals. Transition metal hydroxides, particularly those containing iron (Fe), show promise as OER catalysts, yet the relationship between material properties and catalysis remains unclear. Recent advances in in-situ/operando approaches, notably ⁵⁷Fe Mössbauer spectroscopy, enable real-time monitoring of catalysts and reveal structural characteristics of Fe species. This review highlights case studies involving in-situ/operando ⁵⁷Fe Mössbauer techniques in Fe-involved metal hydroxide OER electrocatalysis, providing insights into Fe’s role, active sites, and catalytic mechanisms. The investigation aims to assess opportunities and challenges linked to the use of in-situ/operando Mössbauer spectroscopy, shedding light on potential advancements in this critical research area.

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铁参与的氢氧化金属基 OER 电催化剂的原位/过场莫索鲍尔光谱研究

为迟缓的氧进化反应（OER）创造具有成本效益的高效电催化剂，对于通过电解水制氢、推进金属-空气电池以及将二氧化碳转化为高附加值化学品的实际应用至关重要。过渡金属氢氧化物，尤其是含铁（Fe）的氢氧化物，有望成为氧进化反应催化剂，但材料特性与催化作用之间的关系仍不清楚。原位/操作方法的最新进展，特别是 57Fe 莫斯鲍尔光谱法，实现了对催化剂的实时监测，并揭示了铁物种的结构特征。本综述重点介绍了涉及铁参与金属氢氧化物 OER 电催化的原位/操作 57Fe Mössbauer 技术的案例研究，深入探讨了铁的作用、活性位点和催化机理。调查旨在评估与使用原位/操作莫斯鲍尔光谱有关的机遇和挑战，揭示这一关键研究领域的潜在进展。

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来源期刊

Catalysis Surveys from Asia 化学-物理化学

CiteScore

4.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Early dissemination of important findings from Asia which may lead to new concepts in catalyst design is the main aim of this journal. Rapid, invited, short reviews and perspectives from academia and industry will constitute the major part of Catalysis Surveys from Asia . Surveys of recent progress and activities in catalytic science and technology and related areas in Asia will be covered regularly as well. We would appreciate critical comments from colleagues throughout the world about articles in Catalysis Surveys from Asia . If requested and thought appropriate, the comments will be included in the journal. We will be very happy if this journal stimulates global communication between scientists and engineers in the world of catalysis.