Issue 12, 2021

Predictable interfacial mass transfer intensification of Sn–N doped multichannel hollow carbon nanofibers for the CO2 electro-reduction reaction

Abstract

A series of Sn and N co-doped carbon fibers featuring rich mesoporous and controllable multichannel hollow structures (SnN-HFs) were synthesized by electrospinning for the electrochemical CO2 reaction reduction (CO2RR) toward CO. The SnN-HFs, endowed with enhanced CO2 adsorption capacity, enabled more than 4 times higher Sn-normalized CO partial current densities in a wide overpotential compared with unadjusted nanofibers without hollow structures. Kinetics simulations suggested that the intensified interfacial mass transfer of CO2 and stabilized high-loading intermediate CO2,ads contribute overwhelmingly to the improved CO2RR performance.

Graphical abstract: Predictable interfacial mass transfer intensification of Sn–N doped multichannel hollow carbon nanofibers for the CO2 electro-reduction reaction

Supplementary files

Article information

Article type
Communication
Submitted
30 Mar 2021
Accepted
07 May 2021
First published
07 May 2021

Sustainable Energy Fuels, 2021,5, 3097-3101

Predictable interfacial mass transfer intensification of Sn–N doped multichannel hollow carbon nanofibers for the CO2 electro-reduction reaction

Z. Cao, S. Liu, K. Xu, Y. Mao, Y. Wu and Q. Mao, Sustainable Energy Fuels, 2021, 5, 3097 DOI: 10.1039/D1SE00476J

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