Electrochemical reduction of SnO2 to Sn from the Bottom: In-Situ formation of SnO2/Sn heterostructure for highly efficient electrochemical reduction of carbon dioxide to formate

Shunlian Ning,Jigang Wang,Dong Xiang,Shaobin Huang,Wei Chen,Shaowei Chen,Xiongwu Kang

Journal of Catalysis（2021）

引用 26|浏览6

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摘要

•Top/bottom heterostructured SnO2/Sn was formed during electrocatalysis CO2 reduction.•The sample was examined by operando Raman and X-ray photoelectron spectroscopy.•The SnO2/Sn delivers a FE of 94% for formate and current density of 113.6 mA cm−2 at − 1.18 V.•DFT calculations show that formate was more favored on SnO2/Sn than SnO2 and Sn.

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关键词

electrochemical CO2 reduction,In-situ reconstruction,operando Raman spectroscopy,SnO2/Sn heterostructures,Formate,DFT calculations

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