Vertical silver@silver chloride core-shell nanowire array for carbon dioxide electroreduction

Vertical silver@silver chloride core-shell nanowire array for carbon dioxide electroreduction

Core-shell nanowires with conductive metal cores and active catalyst shells hold great promise for making a catalyst electrode with high total activity. Indeed, core-shell nanowire arrays have been demonstrated as the catalyst in various electrochemical reactions, yet their catalytic roles are under...

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Bibliographic Details
Main Authors: Ge, Junyu, Long, Jun, Sun, Zixu, Feng, Han, Hu, Jie, Koh, See Wee, Yu, Qing, Xiao, Jianping, Li, Hong
Other Authors: School of Electrical and Electronic Engineering
Format: Journal Article
Language:English
Published: 2020
Subjects:
Engineering::Electrical and electronic engineering
CO2 Reduction
Core−shell Nanowire Array
Online Access:https://hdl.handle.net/10356/142141
Description
Summary:Core-shell nanowires with conductive metal cores and active catalyst shells hold great promise for making a catalyst electrode with high total activity. Indeed, core-shell nanowire arrays have been demonstrated as the catalyst in various electrochemical reactions, yet their catalytic roles are underexplored for carbon dioxide (CO2) electroreduction. Herein, we report a reduced silver@silver chloride (Ag@AgClx) core-shell nanowire array for electrocatalytic CO2 reduction. The Ag@AgClx core-shell array electrode shows high total activity including low onset potential and high current density. The strong electronic coupling between AgClx and the Ag core results in the record-high specific CO2RR activity to date.

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