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李彦光教授课题组与美国阿贡国家实验室Dr. Jun Lu合作在Advanced Energy Materials上发表论文
发布时间:2018-11-27 点击:19

题目:

Selective CO2 Reduction on 2D Mesoporous Bi Nanosheets


作者:

Hui Yang1, Na Han1, Jun Deng1, Jinghua Wu1, Yu Wang2, Yongpan Hu1, Pan Ding1, Yafei Li2, Yanguang   Li,*,1 and Jun Lu*,3


单位:

1Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key   Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China.

2College of Chemistry and Materials Science Nanjing Normal University Nanjing 210023, China

3Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 Cass Avenue, Lemont, IL 60439, USA.


摘要:

The conversion of CO2 to value-added products using electrical or solar energy represents an attractive means for the capture and utilization of atmospheric CO2. Formate is a popular product from CO2 reduction, but its reaction selectivity is usually unsatisfactory. Tin-based materials have attracted the most attention for formate production at present. Unfortunately, most of them only exhibit moderate selectivity in a narrow and highly cathodic potential window. In this study, it is demonstrated that traditionally under-explored bismuth has a much greater potential for formate production than tin or other materials. Mesoporous bismuth nanosheets are prepared here by the cathodic transformation of atomic-thick bismuth oxycarbonate nanosheets. They enable the selective COreduction to formate with large current density, excellent Faradaic efficiency (100%) over a broad potential window and great operation stability. Moreover, Bi nanosheets are integrated with an oxygen evolution reaction electrocatalyst in full cells, and achieve efficient and robust solar conversion of CO2/H2O to formate/O2.


影响因子:

21.875


分区情况:

一区


链接:

https://onlinelibrary.wiley.com/doi/abs/10.1002/aenm.201801536


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