辽宁石油化工大学学报2025，Vol.45Issue(6)：28-34,7.DOI:10.12422/j.issn.1672-6952.2025.06.004
金属硼化物纳米串珠的制备及其析氧性能研究
Metal Boride Nanobeads for Enhanced Oxygen Evolution Electrocatalysis
摘要
Abstract
The oxygen evolution reaction(OER)serves as the core step in water-splitting for hydrogen production,and its catalytic efficiency directly affects the economic conversion efficiency of hydrogen energy.In this work,a magnetic field-assisted one-step reduction method was used to successfully prepare amorphous metal boride nanobead catalysts.The phase composition and electrochemical properties of the catalysts were characterized,and the catalysts were applied to promote the OER catalytic reaction.The results show that among the various prepared metal borides,the cobalt-iron boride(CoFeB)directional nanobeads exhibited superior catalytic performance and remarkable stability,requiring an overpotential of only 330 mV at a current density of 10 mA/cm2 with a Tafel slope of 82 mV/dec.The excellent electrocatalytic performance of the catalyst mainly stems from the synergistic effect of Co and Fe,which optimizes the electronic structure of active sites and significantly enhances catalytic efficiency.Furthermore,the effects of magnetic field strength and surfactant mass on the morphology and electrochemical behavior of CoFeB samples were systematically investigated,uncovering the strong correlation between catalytic activity,directional nanoparticle assembly,and structural features.The strategy proposed in this study is simple and scalable,providing a new approach for the design and development of high-efficiency and low-cost metal boride catalysts.关键词
磁场辅助/金属硼化物/纳米串珠/电催化/析氧反应Key words
Magnetic field-assisted/Metal borides/Nanobeads/Electrocatalysis/Oxygen evolution reaction分类
化学化工引用本文复制引用
朱炳臻,吴琳,陶林,孙东旭,安百钢,张涵..金属硼化物纳米串珠的制备及其析氧性能研究[J].辽宁石油化工大学学报,2025,45(6):28-34,7.基金项目
国家自然科学基金青年科学基金项目(22109061) （22109061）
辽宁省重点攻关项目(JYTZD2023093) （JYTZD2023093）
辽宁科技大学研究生创新创业项目(LKDYC202303) （LKDYC202303）
辽宁科技大学创新创业训练计划项目(S202510146066). （S202510146066）
