Selenic acid etching assisted atomic engineering for designing metal-semimetal dual single-atom catalysts for enhanced CO2 electroreduction
學年 113
學期 1
出版（發表）日期 2024-11-01
作品名稱 Selenic acid etching assisted atomic engineering for designing metal-semimetal dual single-atom catalysts for enhanced CO2 electroreduction
作品名稱（其他語言）
著者 Minghong Huang; Sheng-Hua Zhou; Cheng-Jie Yang; Chung-Li Dong; Yingchun He; Wenbo Wei; Xiaofang Li; Qi-Long Zhu; Zhenguo Huang
單位
出版者
著錄名稱、卷期、頁數 ACS Nano 18(48), p.33210-33219
摘要 Single-atom catalysts are promising for electrocatalytic CO2 conversion but face challenges in controllable syntheses. Herein, a facile selenic acid etching-assisted strategy has been developed to fabricate a hybrid metal-semimetal dual single-atom catalyst for electrocatalytic CO2 reduction. This strategy enables the simultaneous generation of monodisperse active sites and hierarchical morphologies with hollow nanostructures. The as-obtained catalyst with Fe–Se dual single-atom sites supported by porous nitrogen-doped carbon (FeSe-NC) shows exceptional catalytic activity and CO selectivity, delivering a Faradaic efficiency (FE) of >97% with industrially comparable jCO, superior to the Fe single-atom catalyst. Moreover, the FeSe-NC-based rechargeable Zn-CO2 battery delivers a high power density (2.01 mW cm–2) and outstanding FECO (>90%), as well as excellent cycling stability. Experimental results together with theoretical calculations reveal that the etching-induced defects and the Se-modulated Fe centers with asymmetrical polarized charge distributions synergistically facilitate the key intermediate *CO desorption and thus accelerate the CO2-to-CO conversion.
關鍵字 electrocatalysis; CO2 reduction; single-atom catalysts; atomic structure engineering; Zn-CO2 battery
語言 en_US
ISSN 1936-0851; 1936-086X
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度 是
國別 USA
公開徵稿
出版型式 ,電子版,紙本
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機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/127568 )