期刊
ADVANCED SCIENCE
卷 5, 期 1, 页码 -出版社
WILEY
DOI: 10.1002/advs.201700275
关键词
carbon cycle; catalytic mechanisms; electrochemical CO2 reduction; electrocatalysts; renewable fuels
资金
- National Key Research and Development Program of China [2017YFA0208200, 2016YFB0700600]
- National Key Basic Research Program [2015CB659300]
- NSFC [21403105, 21573108]
- China Postdoctoral Science Foundation [2015M580413]
- Natural Science Foundation of Jiangsu Province [BK20160647]
- Fundamental Research Funds for the Central Universities [020514380107]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
The worldwide unrestrained emission of carbon dioxide (CO2) has caused serious environmental pollution and climate change issues. For the sustainable development of human civilization, it is very desirable to convert CO2 to renewable fuels through clean and economical chemical processes. Recently, electrocatalytic CO2 conversion is regarded as a prospective pathway for the recycling of carbon resource and the generation of sustainable fuels. In this review, recent research advances in electrocatalytic CO2 reduction are summarized from both experimental and theoretical aspects. The referred electrocatalysts are divided into different classes, including metal-organic complexes, metals, metal alloys, inorganic metal compounds and carbon-based metal-free nanomaterials. Moreover, the selective formation processes of different reductive products, such as formic acid/formate (HCOOH/HCOO-), monoxide carbon (CO), formaldehyde (HCHO), methane (CH4), ethylene (C2H4), methanol (CH3OH), ethanol (CH3CH2OH), etc. are introduced in detail, respectively. Owing to the limited energy efficiency, unmanageable selectivity, low stability, and indeterminate mechanisms of electrocatalytic CO2 reduction, there are still many tough challenges need to be addressed. In view of this, the current research trends to overcome these obstacles in CO2 electroreduction field are summarized. We expect that this review will provide new insights into the further technique development and practical applications of CO2 electroreduction.
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