Poly-phenylenediamine-derived Atomically Dispersed Ni Sites for Electroreduction of CO2 to CO

Yonglong Zheng, Jianyu Han, Leta Takele, Feng Xie, Yin Zhang, Jiqing Sun, Bing Han, Jing Chen, Yan Gao, Zhiyong Tang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

CO2 electroreduction is a promising technique for the management of the global carbon balance by low-grade renewable electricity. However, the lack of high efficient and selective catalyst has frustrated the development of this area. Here, we report a poly-phenylenediamine-derived atomically dispersed Ni catalyst as a highly efficient and selective electrocatalyst for the conversion of CO2 to CO. The catalyst exhibited efficient production of CO with high Faradaic efficiency (FE) (90%) and a large current density of 11.6 mA cm-2 at −0.8 V vs. reversible hydrogen electrode (RHE). An excellent turnover frequency (TOF) of 3079 h−1 for electroreduction of CO2 was also achieved at −0.8 V vs. RHE.
Original languageEnglish (US)
Pages (from-to)1729-1734
Number of pages6
JournalInorganic Chemistry Frontiers
Volume6
Issue number7
DOIs
StatePublished - 2019

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