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Coordination Effect-Promoted Durable Ni(OH)2 for Energy-Saving Hydrogen Evolution from Water/Methanol Co-Electrocatalysis
Nano-Micro Letters ( IF 26.6 ) Pub Date : 2022-10-06 , DOI: 10.1007/s40820-022-00940-3
Guodong Fu 1 , Xiaomin Kang 1, 2 , Yan Zhang 1 , Xiaoqiang Yang 1 , Lei Wang 1 , Xian-Zhu Fu 1 , Jiujun Zhang 3 , Jing-Li Luo 1 , Jianwen Liu 1
Affiliation  

  • A novel Ni(OH)2-based catalyst with ultralow Ni–Ni coordination is produced, exhibiting high activity (100 mA cm−2 at 1.39 V for methanol oxidation reactions) and outstanding stability in an industrial concentration electrolyte (over 500 mA cm−2 in 6 M KOH).

  • Mechanistic studies show that the improved kinetics and durability are primarily due to ultralow Ni–Ni coordination, 3D-networking structures and the Mo dopant.



中文翻译:

配位效应促进的耐用 Ni(OH)2 用于水/甲醇共电催化的节能析氢

  • 制备了一种具有超低 Ni-Ni 配位的新型 Ni(OH) 2基催化剂,表现出高活性(甲醇氧化反应在 1.39 V 时为 100 mA cm -2)和在工业浓度电解质中的出色稳定性(超过 500 mA cm - 2合 6 M KOH)。

  • 机理研究表明,改进的动力学和耐久性主要归因于超低的 Ni-Ni 配位、3D 网络结构和 Mo 掺杂剂。

更新日期:2022-10-07
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