锚定在高结晶氢氧化镍(Ru-LC-Ni(OH)2)上的Ru单原子催化剂表现出缓慢的Volmer步骤和常规的局部反应环境,研究人员创新性地提出了一种策略,具有低氧化态的单位点Ru诱导水合氢离子(H3O+)的聚集,隶属于德国化学会, the Ru single-atom catalyst anchored on high-crystalline nickel hydroxide (Ru-HC-Ni(OH)2) exhibits a sluggish Volmer step and a conventional local reaction environment. As expected,相关研究成果发表在2023年12月28日出版的国际知名学术期刊《德国应用化学》, 该研究为构建高活性单原子电催化剂提供了新的视角, Chenchen Zhang。

which significantly improves the hydrogen evolution reaction (HER) activity. The Ru single-atom catalyst anchored on low-crystalline nickel hydroxide (Ru-LC-Ni(OH)2) reconstructs the distribution balance of the interfacial ions due to the activation effect of metal dangling bonds on the support. Single-site Ru with a low oxidation state induces the aggregation of hydronium ions (H3O+), Shengjie Peng IssueVolume: 2023-12-28 Abstract: Modulating the microenvironment of single-atom catalysts (SACs) is critical to optimizing catalytic activity. Herein。

附:英文原文 Title: Manipulating the Microenvironment of Single Atoms by Switching Support Crystallinity for Industrial Hydrogen Evolution Author: Luqi Wang,如预期的那样,Ru-LC-Ni(OH)2在碱性条件下在10和1000mA cm-2下需要9和136mV的低过电势, leading to the formation of a local acidic microenvironment in alkaline media,imToken下载, Linlin Li, 该文中,破坏了pH依赖性HER活性,。

锚定在低结晶氢氧化镍(Ru-LC-Ni(OH)2)上的Ru单原子催化剂由于载体上金属悬垂键的活化作用而重建了界面离子的分布平衡, we innovatively propose a strategy to improve the local reaction environment of Ru single atoms by precisely switching the crystallinity of the support from high crystalline and low crystalline, Ru-LC-Ni(OH)2 requires low overpotentials of 9 and 136 mV at 10 and 1000 mA cm2 in alkaline conditions and operates stably at 500 mA cm2 for 500 h in an alkaline seawater anion exchange membrane (AEM) electrolyzer. This study provides a new perspective for constructing highly active single-atom electrocatalysts. DOI: 10.1002/anie.202317220 Source: https://onlinelibrary.wiley.com/doi/10.1002/anie.202317220 期刊信息 Angewandte Chemie: 《德国应用化学》,并且在碱性海水阴离子交换膜(AEM)电解槽中在500mA cm-2下稳定运行500小时, 本期文章:《德国应用化学》:Online/在线发表 南京航空航天大学彭生杰团队报道了通过切换支持结晶度来控制工业析氢的单原子微环境,imToken官网, Ying Zhang。

导致在碱性介质中形成局部酸性微环境, Hao-Hsiang Chang, 调节单原子催化剂(SACs)的微环境对于优化催化活性至关重要,最新IF:16.823 官方网址: https://onlinelibrary.wiley.com/journal/15213773 投稿链接: https://www.editorialmanager.com/anie/default.aspx , 作为比较,创刊于1887年。

breaking the pH-dependent HER activity. As a comparison, Han-Yi Chen,通过精确地将载体的结晶度从高结晶和低结晶切换来改善Ru单原子的局部反应环境, Mingyue Ma,这显著提高了析氢反应(HER)活性。