globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2021.02.006
论文题名:
Carbon monoxide powered fuel cell towards H2-onboard purification
作者: Li Y.; Wang X.; Mei B.; Wang Y.; Luo Z.; Luo E.; Yang X.; Shi Z.; Liang L.; Jin Z.; Wu Z.; Jiang Z.; Liu C.; Xing W.; Ge J.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2021
语种: 英语
中文关键词: CO electrooxidation ; Hydrogen purification ; Proton exchange membrane fuel cells ; Rh based single atom catalyst ; Turnover frequency
英文关键词: Carbon monoxide ; Electrooxidation ; Gas fuel purification ; Catalyst surfaces ; CO adsorption ; CO electrooxidation ; CO poisoning ; Hydrogen purification ; Power densities ; Proton-exchange membranes fuel cells ; Rh based single atom catalyst ; Rh catalysts ; Turnover frequency ; Proton exchange membrane fuel cells (PEMFC)
英文摘要: Proton exchange membrane fuel cells (PEMFCs) suffer extreme CO poisoning even at PPM level (<10 ppm), owning to the preferential CO adsorption and the consequential blockage of the catalyst surface. Herein, however, we report that CO itself can become an easily convertible fuel in PEMFC using atomically dispersed Rh catalysts (Rh-N-C). With CO to CO2 conversion initiates at 0 V, pure CO powered fuel cell attains unprecedented power density at 236 mW cm−2, with maximum CO turnover frequency (64.65 s−1, 363 K) far exceeds any chemical or electrochemical catalysts reported. Moreover, this feature enables efficient CO selective removal from H2 gas stream through the PEMFC technique, with CO concentration reduced by one order of magnitude through running only one single cell, while simultaneously harvesting electricity. We attribute such catalytic behavior to the weak CO adsorption and the co-activation of H2O due to the interplay between two adjacent Rh sites. © 2021 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170320
Appears in Collections:气候变化与战略

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作者单位: State Key Laboratory of Electroanalytic Chemistry, Jilin Province Key Laboratory of Low Carbon Chemistry Power, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China; Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China; State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; Shanghai Synchrotron Radiation Facility, Zhangjiang National Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, 201204, China; University of Chinese Academy of Sciences, Beijing, 100049, China

Recommended Citation:
Li Y.,Wang X.,Mei B.,et al. Carbon monoxide powered fuel cell towards H2-onboard purification[J]. Science Bulletin,2021-01-01
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