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Synergetic effect of nitrogen-doped carbon catalysts for high-efficiency electrochemical CO2 reduction
Liu, Chuhao1; Wu, Yue1; Fang, Jinjie3; Yu, Ke1; Li, Hui1; He, Wenjun2; Cheong, Weng Chon4; Liu, Shoujie1; Chen, Zheng5; Dong, Jing2; Chen, Chen1
Source PublicationChinese Journal of Catalysis

The use of carbon-based materials is an appealing strategy to solve the issue of excessive CO emissions. In particular, metal-free nitrogen-doped carbon materials (mf-NCs) have the advantages of convenient synthesis, cost-effectiveness, and high conductivity and are ideal electrocatalysts for the CO reduction reaction (CORR). However, the unclear identification of the active N sites and the low intrinsic activity of mf-NCs hinder the further development of high-performance CORR electrocatalysts. Achieving precise control over the synthesis of mf-NC catalysts with well-defined active N-species sites is still challenging. To this end, we adopted a facile synthesis method to construct a set of mf-NCs as robust catalysts for CORR. The resulting best-performing catalyst obtained a Faradaic efficiency of CO of approximately 90% at −0.55 V (vs. reversible hydrogen electrode) and good stability. The electrocatalytic performance and in situ attenuated total reflectance surface-enhanced infrared absorption spectroscopy measurements collectively revealed that graphitic and pyridinic N can synergistically adsorb CO and HO and thus promote CO activation and protonation.

KeywordCo2 Reduction Reaction Graphitic n Nitrogen-doped Carbon Material Pyridinic n Synergetic Effect
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Indexed BySCIE
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000809568100005
Scopus ID2-s2.0-85130475885
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Document TypeJournal article
Corresponding AuthorDong, Jing; Chen, Chen
Affiliation1.Department of Chemistry, Tsinghua University, Beijing, 100084, China
2.Scientific Research Department, Nanjing Tech University, Nanjing, Jiangsu, 211816, China
3.Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
4.Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macau, China
5.Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui, 241000, China
Recommended Citation
GB/T 7714
Liu, Chuhao,Wu, Yue,Fang, Jinjie,et al. Synergetic effect of nitrogen-doped carbon catalysts for high-efficiency electrochemical CO2 reduction[J]. Chinese Journal of Catalysis,2022,43(7):1697-1702.
APA Liu, Chuhao,Wu, Yue,Fang, Jinjie,Yu, Ke,Li, Hui,He, Wenjun,Cheong, Weng Chon,Liu, Shoujie,Chen, Zheng,Dong, Jing,&Chen, Chen.(2022).Synergetic effect of nitrogen-doped carbon catalysts for high-efficiency electrochemical CO2 reduction.Chinese Journal of Catalysis,43(7),1697-1702.
MLA Liu, Chuhao,et al."Synergetic effect of nitrogen-doped carbon catalysts for high-efficiency electrochemical CO2 reduction".Chinese Journal of Catalysis 43.7(2022):1697-1702.
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