Structural Transformation of Heterogeneous Materials for Electrocatalytic Oxygen Evolution Reaction,Chemical Reviews

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Structural Transformation of Heterogeneous Materials for Electrocatalytic Oxygen Evolution Reaction
Chemical Reviews ( IF 51.4 ) Pub Date : 2021-09-15 , DOI: 10.1021/acs.chemrev.1c00234
Hui Ding ₁ , Hongfei Liu ₁ , Wangsheng Chu ₂ , Changzheng Wu _{1,

3} , Yi Xie _{1,

3}

Affiliation

Electrochemical water splitting for hydrogen generation is a promising pathway for renewable energy conversion and storage. One of the most important issues for efficient water splitting is to develop cost-effective and highly efficient electrocatalysts to drive sluggish oxygen-evolution reaction (OER) at the anode side. Notably, structural transformation such as surface oxidation of metals or metal nonoxide compounds and surface amorphization of some metal oxides during OER have attracted growing attention in recent years. The investigation of structural transformation in OER will contribute to the in-depth understanding of accurate catalytic mechanisms and will finally benefit the rational design of catalytic materials with high activity. In this Review, we provide an overview of heterogeneous materials with obvious structural transformation during OER electrocatalysis. To gain insight into the essence of structural transformation, we summarize the driving forces and critical factors that affect the transformation process. In addition, advanced techniques that are used to probe chemical states and atomic structures of transformed surfaces are also introduced. We then discuss the structure of active species and the relationship between catalytic performance and structural properties of transformed materials. Finally, the challenges and prospects of heterogeneous OER electrocatalysis are presented.

中文翻译：

用于电催化析氧反应的异质材料的结构转变

用于制氢的电化学水分解是可再生能源转换和存储的有前途的途径。有效分解水的最重要问题之一是开发具有成本效益且高效的电催化剂，以在阳极侧驱动缓慢的析氧反应 (OER)。值得注意的是，近年来，OER 过程中金属或金属非氧化物化合物的表面氧化和某些金属氧化物的表面非晶化等结构转变引起了越来越多的关注。OER结构转变的研究将有助于深入了解准确的催化机制，最终有利于高活性催化材料的合理设计。在本次审查中，我们概述了在 OER 电催化过程中具有明显结构转变的异质材料。为了深入了解结构转型的本质，我们总结了影响转型过程的驱动力和关键因素。此外，还介绍了用于探测转变表面的化学状态和原子结构的先进技术。然后我们讨论了活性物种的结构以及催化性能与转化材料结构特性之间的关系。最后，提出了多相 OER 电催化的挑战和前景。还介绍了用于探测转变表面的化学状态和原子结构的先进技术。然后我们讨论了活性物种的结构以及催化性能与转化材料结构特性之间的关系。最后，提出了多相 OER 电催化的挑战和前景。还介绍了用于探测转变表面的化学状态和原子结构的先进技术。然后我们讨论了活性物种的结构以及催化性能与转化材料结构特性之间的关系。最后，提出了多相 OER 电催化的挑战和前景。

更新日期：2021-11-10

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