Competitive Adsorption: Reducing the Poisoning Effect of Adsorbed Hydroxyl on Ru Single-Atom Site with SnO2 for Efficient Hydrogen Evolution,Angewandte Chemie International Edition

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Competitive Adsorption: Reducing the Poisoning Effect of Adsorbed Hydroxyl on Ru Single-Atom Site with SnO2 for Efficient Hydrogen Evolution
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-07-21 , DOI: 10.1002/anie.202209486
Jiachen Zhang ₁ , Guangbo Chen ₂ , Qicheng Liu ₁ , Chuang Fan ₁ , Dongmei Sun ₁ , Yawen Tang ₁ , Hanjun Sun ₁ , Xinliang Feng _{2,

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Affiliation

A novel Ru SAs-SnO₂/C elecotrocatalyst with low OH_ad poisoning effect to Ru sites was demonstrated by the competition adsorption strategy. It exhibited excellent HER activity owing to the fast OH_ad transfer process (OH_ad+e⁻⇋OH⁻, the key step of Vomer step), which alleviated the poisoning of OH_ad on Ru sites and facilitate regeneration of Ru active sites.

中文翻译：

竞争吸附：用 SnO2 减少 Ru 单原子位上吸附羟基的中毒效应，实现高效析氢

通过竞争吸附策略证明了一种新型Ru SAs-SnO ₂ /C电催化剂，对Ru位点具有低OH_和中毒效应。由于快速的OH _ad转移过程（OH _ad +e ^- ⇋OH ^- ，Vomer步骤的关键步骤），它表现出优异的HER活性，减轻了Ru位点上OH _ad的中毒并促进Ru活性位点的再生。

更新日期：2022-07-21

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