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| 1 | Transition Metal Boride-Based Materials for Electrocatalytic Water Splitting显示文摘Electrocatalytic water splitting to produce hydrogen is an eco-friendly way to achieve sustainable utilization of renewable energy.The industrial application of water electrolysis, which is severely limited by slow kinetic reactions on electrode surfaces, requires the development of highly reactive, low-cost and stable electrocatalytic materials. Transition metal borides/borates have recently emerged as promising electrocatalytic materials for catalyzing hydrogen/oxygen evolution reactions(HER/OER) in inexpensive electrolyzers. However, so far, there has been little comprehensive summary of transition metal borides/borates. Here, this review provides the latest research progress on transition metal borides/borates for electrocatalytic water splitting. The structural characteristics of transition metal borides/borates and their synthesis methods in recent years are discussed. Then, the theoretical and experimental progress of transition metal borides including single-metal borides, multi-metal borides, borate derived and other nanocomposites containing boron(boron-doped nanocomposites/substrate with boron) in electrocatalytic reaction and the role of boron in regulating electrocatalytic performance are further emphasized. Finally, the potential challenges and future prospects of transition metal borides/borates in electrocatalysis are presented. | Feng-Ge Wang Xin Liu Qian-Xi Lv Bin Liu Yong-Ming Chai Bin Dong | 2022 | Chinese Journal of Structural Chemistry2022，41，9： | 0 |
| 2 | 腐蚀-配位工程构建含有微量Pt的2D-3D纳米结构高效电解水催化剂显示文摘开发具有良好的催化性能和稳定性的析氢反应(HER)和析氧反应(OER)的电催化剂对水分解产氢的商业化起着关键作用.本文通过简单、可扩展的腐蚀配位方法,将金属氢氧化物和金属有机骨架(MOF)组成的二维-三维(2D-3D)纳米结构原位装饰在泡沫Ni Fe (Pt-Ni Fe PBA)上.所设计的特殊形态有利于在电催化过程中提供丰富的活性位点、优化反应途径和加速传质.因此,合成的Pt-Ni Fe PBA在1 mol L;KOH中HER和OER在10 m A cm^(-2)时具有29和210 m V的过电位.值得注意的是,在10 m A cm^(-2)时该催化剂仅需21 m V即可驱动1 mol L;KOH海水,并具有出色的稳定性.此外,将合成的Pt-Ni Fe PBA用作双功能电催化剂时,只需1.46和1.48 V即可以达到10 m A cm^(-2).此外,间歇性的可持续能源,如热能、风能和太阳能可以为该水分解器提供动力. | 陈智 刘东政 高玉肖 赵莹 肖卫平 徐广蕊 马天翼 吴则星 王磊 | 2022 | Science China Materials2022，65，5： | 0 |
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