Chinese Journal of Catalysis ›› 2024, Vol. 65: 153-162.DOI: 10.1016/S1872-2067(24)60111-7
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Zuo-Shu Suna,1, Xue-Yan Xianga,1, Qiu-Ping Zhaoa, Zhao Tanga, Shi-Yi Jianga, Tong-Bu Lua, Zhi-Ming Zhanga, Baifan Wangb,*(), Hua-Qing Yina,*()
Received:
2024-05-27
Accepted:
2024-07-31
Online:
2024-10-18
Published:
2024-10-15
Contact:
*E-mail: hqyin@email.tjut.edu.cn (H.-Q. Yin), baifan_wang@outlook.com (B. Wang).
About author:
1 These authors contributed equally to this work.
Supported by:
Zuo-Shu Sun, Xue-Yan Xiang, Qiu-Ping Zhao, Zhao Tang, Shi-Yi Jiang, Tong-Bu Lu, Zhi-Ming Zhang, Baifan Wang, Hua-Qing Yin. Efficient electrocatalytic urea synthesis from CO2 and nitrate over the scale-up produced FeNi alloy-decorated nanoporous carbon[J]. Chinese Journal of Catalysis, 2024, 65: 153-162.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(24)60111-7
Fig. 1. (a) HRTEM and (b) enlarged TEM images of FeNi@7C-1000 (inset is a crystal lattice of FeNi@7C-1000). (c) The line scan intensity profile of FeNi@7C-1000. (d) HAADF-STEM images and the corresponding EDX elemental mapping images of FeNi@7C-1000.
Fig. 2. (a) The experimental PXRD patterns of FeNi@nC-1000 (n = 1, 3, 5, 7, 9) and the simulated PXRD signal of FeNi alloy. The high-resolution XPS spectra of Fe 2p (b) and Ni 2p (c) of the FeNi@7C-1000. (d) The nitrogen adsorption-desorption isotherms of the nanoporous carbon before and after FeNi alloy anchoring (inset is the pore size distribution).
Fig. 3. (a) LSV curves of FeNi@7C-1000 in the Ar/KNO3, CO2/KNO3, and CO2/K2SO4 systems. Electrocatalytic performance over FeNi@7C-1000 under different applying potentials (b) and FeNi@nC-1000 under -1.2 V vs. RHE (c). (d) The urea yield over FeNi@7C-1000, FeNi@7C-950 and FeNi@7C-950-S. (e) Recycle experiments and (f) current intensity stability of FeNi@7C-1000.
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