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CuxNiy Alloy Nanoparticles Embedded in Nitrogen-Carbon Network for Efficient Conversion of Carbon Dioxide

Abstract

The electrocatalytic conversion of CO2 to CO using non-noble metal catalysts under mild conditions is of great importance. To achieve the combined high activity, selectivity and current density by developing electrocatalyst with desirable compositions and structures is challenging. Here we prepared for the first time the CuxNiy alloy nanoparticles that are embedded in nitrogen-carbon network. Such an electrocatalyst not only well overcomes the disadvantages of single Cu and Ni catalysts but has a high CO2 adsorption capacity. Outstandingly, the catalyst can effectively convert CO2 into CO with a maximum faradaic efficiency of 94.5% and current density 18.8 mA cm−2 at a low applied potential −0.60 V. Moreover, the catalyst is very stable upon long-term electrolysis owing to the stabilization of nitrogen-carbon network.

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Publication details

The article was received on 12 Jan 2019, accepted on 14 Mar 2019 and first published on 15 Mar 2019


Article type: Edge Article
DOI: 10.1039/C9SC00174C
Citation: Chem. Sci., 2019, Accepted Manuscript
  • Open access: Creative Commons BY-NC license
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    CuxNiy Alloy Nanoparticles Embedded in Nitrogen-Carbon Network for Efficient Conversion of Carbon Dioxide

    D. Tan, J. Zhang, X. Cheng, X. Tan, J. Shi, B. Zhang, B. Han, L. Zheng and J. Zhang, Chem. Sci., 2019, Accepted Manuscript , DOI: 10.1039/C9SC00174C

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