Chinese Journal of Catalysis ›› 2023, Vol. 48: 185-194.DOI: 10.1016/S1872-2067(23)64415-8
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Wenqian Yanga,1, Ziqian Xueb,1, Jun Yanga, Jiahui Xiana, Qinglin Liua, Yanan Fana, Kai Zhenga, Peiqin Liaoa, Hui Suc, Qinghua Liuc, Guangqin Lia,*(), Cheng-Yong Sua,*()
Received:
2022-11-29
Accepted:
2023-02-01
Online:
2023-05-18
Published:
2023-04-20
Contact:
* E-mail: About author:
First author contact:1Contributed equally to this work.
Supported by:
Wenqian Yang, Ziqian Xue, Jun Yang, Jiahui Xian, Qinglin Liu, Yanan Fan, Kai Zheng, Peiqin Liao, Hui Su, Qinghua Liu, Guangqin Li, Cheng-Yong Su. Fe nanoparticles embedded in N-doped porous carbon for enhanced electrocatalytic CO2 reduction and Zn-CO2 battery[J]. Chinese Journal of Catalysis, 2023, 48: 185-194.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(23)64415-8
Fig. 2. High-resolution XPS N 1s spectra (a) and EPR spectra (b) of Fe@NPC and control samples. (c) Fe K-edge XANES spectra. (d) FT-EXAFS spectra of R space of Fe@NPC, Fe2O3, and Fe foil.
Fig. 3. LSV tests (a), FEco (b), and JCO (c) for different catalysts in the H-cell. FEs (d) and partial current densities (e) of reduction products using Fe@NPC in a GDE cell. (f) Stability of Fe@NPC in the flow cell.
Fig. 4. In situ ATR-FTIR spectra (a) and color contour map (b) of Fe@NPC collected at -0.6 VRHE using CO2-saturated 0.5 mol L-1 KHCO3 as electrolyte. (c) Proposed pathway for CO2 electroreduction using Fe@NPC.
Fig. 5. (a) Schematic configuration of ZCB with Fe@NPC cathode. (b) Photograph of a LED (~2.2 V) powered by Fe@NPC. (c) Polarization plot and power density. (d) Galvano-static discharge curve and corresponding FECO. (e) Galvanostatic discharge-charge cycling plots for 120 cycles of Fe@NPC.
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