研究背景
本文要点
1. 报道了一种新型天然海水电解阴极,通过Pt/WO2催化剂来产生动态的局部类酸环境,从而抑制沉淀。
2. 由于WO2上氢插入/提取具有可逆性,原位形成的钨酸/钨青铜(HxWOy)在HER过程中充当质子“海绵”,储存H+,并供应给Pt活性位点。动态储存的质子在Pt活性位点附近创造了一个局部类酸环境。
图文内容
Figure 1. Characterization of catalysts.
Figure 2. HER performance for catalysts in simulated and natural seawater.
Figure 3. Local pH measurement and investigation on generated OH–.
Figure 4. Mechanism for an in situ generated proton sponge (HxWOy).
Figure 5. Local acid-like environment.
(图片来源:J. Am. Chem. Soc.)
Figure 6. Asymmetric electrolyzer.
文献信息
Deyu Bao, Yao Zheng*, Shi-Zhang Qiao* et al. Dynamic Creation of a Local Acid-like Environment for Hydrogen Evolution Reaction in Natural Seawater. J. Am. Chem. Soc. 2024.
DOI:10.1021/jacs.4c13036
https://doi.org/10.1021/jacs.4c13036
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