globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.05.010
论文题名:
Chloroplast-like porous bismuth-based core–shell structure for high energy efficiency CO2 electroreduction
作者: Wang Y.-R.; Yang R.-X.; Chen Y.; Gao G.-K.; Wang Y.-J.; Li S.-L.; Lan Y.-Q.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:19
起始页码: 1635
结束页码: 1642
语种: 英语
中文关键词: Bi-based activated metastable layer ; Chloroplast-like porous structure ; CO2 electroreduction ; Formate ; High energy efficiency
英文关键词: Biomimetics ; Bismuth ; Bismuth compounds ; Carbon dioxide ; Electrocatalysts ; Electrolytic reduction ; Porous materials ; Bismuth-based materials ; Economically viable ; Electro reduction ; Faradaic efficiencies ; High energy efficiency ; Metastable layers ; Potential range ; Shell structure ; Energy efficiency
英文摘要: Electrochemical CO2 reduction reaction (CO2RR) to formate is economically viable considering the energy input and market value. Through learning nature, a series of chloroplast-like porous bismuth-based core–shell (CPBC) materials have been designed. In these materials, the porous carbon can enrich and transfer CO2 to the core–shell Bi@Bi2O3 in CO2 reduction process, during which Bi2O3 layer can be transformed into activated metastable layer to efficiently convert CO2 into formate and Bi can provide abundant electrons. Based on this, superior performances for most of important parameters in CO2RR can be achieved and best of them, CPBC-1 presents remarkable Faradaic efficiency (FEformate > 94%) over a wide potential range (−0.65 to −1.0 V) with high catalysis durability (>72 h). Noteworthy, its maximum energy efficiency is as high as 76.7% at −0.7 V, the highest one in reported bismuth-based materials. This work opens novel perspectives in designing nature-inspired CO2RR electrocatalysts. © 2020 Science China Press
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被引频次[WOS]:51   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170082
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作者单位: Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China

Recommended Citation:
Wang Y.-R.,Yang R.-X.,Chen Y.,et al. Chloroplast-like porous bismuth-based core–shell structure for high energy efficiency CO2 electroreduction[J]. Science Bulletin,2020-01-01,65(19)
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