Synthesis of Amorphous Boron and Phosphorus Co-doped Ru-based Electrocatalyst for Enhanced Hydrogen Evolution Reaction

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2026-02-02 DOI:10.1007/s10562-026-05304-9

Shengfang Shi, Zhiwei Ye, Enhui Wu, Fuxiang Huang

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Abstract

Developing cost-effective, active, and durable electrocatalysts for hydrogen evolution reaction (HER) is critical to overcome sluggish kinetics and boost alkaline cathodic efficiency for sustainable hydrogen production. Thus, in this study, the Ru@B,P/XC-72 catalyst was successfully prepared through wet reduction and low-temperature roasting. Crucially, the boron(B) and phosphorus(P) co-doping not only enhances nanocluster dispersion but also optimizes the hydrogen adsorption/desorption energetics, thereby facilitating interfacial charge transfer and weakening the reaction energy barrier for water dissociation. Structural characterization reveals that the as-prepared Ru@B,P/XC-72 features ultrafine Ru nanoclusters with an average diameter of 1.88 nm, accompanied by an amorphous phase. This unique architecture affords abundant unsaturated coordination sites, structural defects, and broadened electronic state distributions. Electrochemical evaluations demonstrate exceptional alkaline hydrogen evolution reaction (HER) performance, achieving ultralow overpotentials of 153 mV at current densities of 100 mA cm^− 2. These findings provide new insight into the development of low-cost and efficient electrocatalysts and have crucial industrial application prospects.

Graphical Abstract

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非晶态硼磷共掺钌基电催化剂的合成及强化析氢反应

开发经济、高效、耐用的析氢电催化剂是克服析氢反应动力学迟缓、提高碱性阴极效率、实现可持续制氢的关键。因此，本研究通过湿还原和低温焙烧，成功制备了Ru@B，P/XC-72催化剂。关键是，硼(B)和磷(P)共掺杂不仅增强了纳米团簇的分散性，还优化了氢的吸附/解吸能量，从而促进了界面电荷转移，减弱了水解离的反应能垒。结构表征表明，制备的Ru@B，P/XC-72具有平均直径为1.88 nm的超细Ru纳米团簇，并伴有非晶相。这种独特的结构提供了丰富的不饱和配位位点、结构缺陷和扩大的电子态分布。电化学评价显示出优异的碱性析氢反应（HER）性能，在100 mA cm−2电流密度下实现了153 mV的超低过电位。这些发现为开发低成本、高效的电催化剂提供了新的思路，具有重要的工业应用前景。图形抽象

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.