Zhipeng Li , Xiaobin Liu , Qingping Yu , Xinyue Qu , Jun Wan , Zhenyu Xiao , Jingqi Chi , Lei Wang
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引用次数: 0
摘要
以可再生能源为动力的水电解是一种前景广阔的 "绿色氢 "生产方法，被认为是未来碳中和能源系统的核心。在过去的几十年中，研究人员报道了许多氢进化反应（HER）电催化剂，其活性可与商用铂/钯相媲美，但大多数催化剂都是在较小的电流密度范围内进行测试，通常不超过 500 mA cm-2。要实现电解水制氢的工业应用，就必须开发高电流密度（HCD ≥ 500 mA cm-2）的高效 HER 电催化剂。然而，为 HER 合理设计 HCD 电催化剂仍然具有挑战性和重要性。本文讨论了 HCD 电催化剂的设计策略，并从七大类（合金、金属氧化物、金属氢氧化物、金属硫化物/硒化物、金属氮化物、金属磷化物和其他衍生电催化剂）综述了一些用于 HER 的 HCD 电催化剂。文章最后，我们还对 HCD HER 电催化剂的未来发展和研究方向提出了一些观点和展望。
Recent advances in design of hydrogen evolution reaction electrocatalysts at high current density: A review
The electrolysis of water powered by renewable energy sources offers a promising method of “green hydrogen” production, which is considered to be at the heart of future carbon-neutral energy systems. In the past decades, researchers have reported a number of hydrogen evolution reaction (HER) electrocatalysts with activity comparable to that of commercial Pt/C, but most of them are tested within a small current density range, typically no more than 500 mA cm–2. To realize the industrial application of hydrogen production from water electrolysis, it is essential to develop high-efficiency HER electrocatalysts at high current density (HCD ≥ 500 mA cm–2). Nevertheless, it remains challenging and significant to rational design HCD electrocatalysts for HER. In this paper, the design strategy of HCD electrocatalysts is discussed, and some HCD electrocatalysts for HER are reviewed in seven categories (alloy, metal oxide, metal hydroxide, metal sulfide/selenide, metal nitride, metal phosphide and other derived electrocatalysts). At the end of this article, we also propose some viewpoints and prospects for the future development and research directions of HCD electrocatalysts for HER.
期刊介绍：
The journal covers a broad scope, encompassing new trends in catalysis for applications in energy production, environmental protection, and the preparation of materials, petroleum chemicals, and fine chemicals. It explores the scientific foundation for preparing and activating catalysts of commercial interest, emphasizing representative models.The focus includes spectroscopic methods for structural characterization, especially in situ techniques, as well as new theoretical methods with practical impact in catalysis and catalytic reactions.The journal delves into the relationship between homogeneous and heterogeneous catalysis and includes theoretical studies on the structure and reactivity of catalysts.Additionally, contributions on photocatalysis, biocatalysis, surface science, and catalysis-related chemical kinetics are welcomed.
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