由金属有机骨架衍生的自支撑电催化剂用于水分解:最新进展与展望

IF 4.8 2区 化学 Q2 CHEMISTRY, PHYSICAL
Yanqiang Li , Xiaoyu Song , Kefei Wang , Jingli Gong , Yuping Tong , Siru Chen
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引用次数: 0

摘要

对可持续制氢的迫切需求推动了对高效电催化剂水分解的重要研究。自支撑型电催化剂的特点是直接集成在导电基板上的无粘结剂结构,与传统的粉状催化剂相比,具有显著的优势,包括增强的导电性、优越的质量传输、机械稳定性和高效的气泡释放。金属有机框架(MOFs)已经成为工程催化剂的良好前体,能够精确控制组成,形态和活性位点配置。本文综述了mof系自支撑型析氢反应(HER)和析氧反应(OER)电催化剂的研究进展。我们系统地分析了金属氧化物/氢氧化物、磷化物、硫化物和硒化物等金属氧化物/氢氧化物衍生材料的设计原理、合成策略和电催化性能。对于每个类别,我们讨论了独特的结构特征,如多个金属活性中心,最佳H*吸附,d电子构型如何控制催化活性和稳定性。重点分析了杂原子掺杂和异质结构工程等关键性能增强策略。最后,对mof衍生自支撑型电催化剂的设计提出了挑战和展望,以更好地理解其结构-性能关系,促进其实际应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Self-supporting electrocatalysts derived from metal organic frameworks for water splitting: Current progress and perspectives
The urgent need for sustainable hydrogen production has driven significant research into efficient electrocatalysts for water splitting. Self-supporting electrocatalysts, characterized by binder-free architectures directly integrated onto conductive substrates, offer compelling advantages over conventional powdered counterparts, including enhanced electrical conductivity, superior mass transport, mechanical stability, and efficient gas bubble release. Metal-organic frameworks (MOFs) have emerged as good precursors for engineering such catalysts, enabling precise control over composition, morphology, and active site configuration. In this review, recent advancements in MOF-derived self-supporting electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are summarized. We systematically analyze the design principles, synthesis strategies, and electrocatalytic performance of diverse material categories derived from MOF, including metal oxides/hydroxides, phosphides, sulfides, and selenides. For each category, we discuss how unique structural features such as multiple metal active centers, optimal H* adsorption, d-electron configurations govern catalytic activity and stability. Especially, key performance-enhancement strategies, such as heteroatom doping and heterostructure engineering are analyzed. Finally, some challenges and prospects are proposed for better designing MOF-derived self-supporting electrocatalysts to understand the structure-performance relationship and promote their practical application.
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来源期刊
Applied Catalysis A: General
Applied Catalysis A: General 化学-环境科学
CiteScore
9.00
自引率
5.50%
发文量
415
审稿时长
24 days
期刊介绍: Applied Catalysis A: General publishes original papers on all aspects of catalysis of basic and practical interest to chemical scientists in both industrial and academic fields, with an emphasis onnew understanding of catalysts and catalytic reactions, new catalytic materials, new techniques, and new processes, especially those that have potential practical implications. Papers that report results of a thorough study or optimization of systems or processes that are well understood, widely studied, or minor variations of known ones are discouraged. Authors should include statements in a separate section "Justification for Publication" of how the manuscript fits the scope of the journal in the cover letter to the editors. Submissions without such justification will be rejected without review.
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