Journal
NANO RESEARCH
Volume 15, Issue 6, Pages 5032-5037Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-022-4283-9
Keywords
Bi nanoparticle; carbon nanosheet; NO reduction reaction; NH3 synthesis; electrocatalysis
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Funding
- National Natural Science Foundation of China [22072015]
- Opening Fund of Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Hunan Normal University), Ministry of Education [2020-02]
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By developing Bi nanoparticles/carbon nanosheet composite as a catalyst, highly efficient NO reduction and selective NH3 formation can be achieved.
Electrochemical reduction of NO offers us an attractive alternative to traditional selective catalytic reduction process for harmful NO removal and simultaneous NH3 production, but it requires efficient electrocatalyst to enable the NO reduction reaction with high selectivity. Here, we report on the development of Bi nanoparticles/carbon nanosheet composite (Bi@C) for highly effective NO reduction electrocatalysis toward selective NH3 formation. Such Bi@C catalyst attains an impressive NH3 yield of 1,592.5 mu g.h(-1). mg(cat)(-1) and a high Faradaic efficiency as high as 93% in 0.1 M Na2SO4 electrolyte. Additionally, it can be applied as efficient cathode materials for Zn-NO battery to reduce NO to NH3 with high electricity generation.
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