双功能
催化作用
环境友好型
阳极
化学工程
材料科学
电解质
纳米技术
电化学
无机化学
碱金属
化学
电极
有机化学
生物
工程类
物理化学
生态学
作者
Luocai Yi,Yaxin Ji,Ping Shao,Junxiang Chen,Junwei Li,Hao Li,Kai Chen,Xinxin Peng,Zhenhai Wen
标识
DOI:10.1002/ange.202108992
摘要
Abstract WS 2 nanosheets hold great promise for a variety of applications yet faces a grand challenge in terms of large‐scale synthesis. We report a reliable, scalable, and high‐yield (>93 %) synthetic strategy to fabricate WS 2 nanosheets, which exhibit highly desirable electrocatalytic properties toward both the alkaline sulfion (S 2− ) oxidation reaction (SOR) and the acidic hydrogen evolution reaction (HER). The findings prompted us to develop a hybrid alkali‐acid electrochemical cell with the WS 2 nanosheets as bifunctional electrode catalysts of alkaline anodic SOR and acidic cathodic HER. The proof‐of‐concept device holds promise for self‐power or low‐electricity electrolytic H 2 generation and environmentally friendly recycling of sulfion with enhanced electron utilization efficiency.
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