Copper–barium-decorated carbon-nanotube composite for electrocatalytic CO2 reduction to C2 products

Feng-Yi Wu; Hsin-Jung Tsai; Tsung-Ju Lee; Zih-Yi Lin; Kang-Shun Peng; Pei-Hsuan Chen; Nozomu Hiraoka; Yen-Fa Liao; Chih-Wei Hu; Shao-Hui Hsu; Ying-Rui Lu; Sung-Fu Hung

doi:10.1039/D3TA01912H

Copper–barium-decorated carbon-nanotube composite for electrocatalytic CO₂ reduction to C2 products†

Feng-Yi Wu,^a Hsin-Jung Tsai,^a Tsung-Ju Lee,^a Zih-Yi Lin,^a Kang-Shun Peng,^a Pei-Hsuan Chen,^a Nozomu Hiraoka,^b Yen-Fa Liao,^b Chih-Wei Hu,^b Shao-Hui Hsu,^c Ying-Rui Lu*^b and Sung-Fu Hung

*^a

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* Corresponding authors

^a Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
E-mail: sungfuhung@nycu.edu.tw

^b National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan
E-mail: lu.yr@nsrrc.org.tw

^c Taiwan Semiconductor Research Institute, National Applied Research Laboratories, Hsinchu 300, Taiwan

Abstract

A copper–barium-decorated carbon nanotube nanocomposite was designed to promote CO₂ reduction to C2 products (ethylene and ethanol). We achieved a faradaic efficiency of 71% and partial current density of 355 mA cm⁻² at −0.7 V vs. RHE. Operando methods revealed catalyst transformation and the catalytic mechanism.

This article is part of the themed collection: Journal of Materials Chemistry A Emerging Investigators

Journal of Materials Chemistry A

Copper–barium-decorated carbon-nanotube composite for electrocatalytic CO₂ reduction to C2 products†

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Copper–barium-decorated carbon-nanotube composite for electrocatalytic CO₂ reduction to C2 products

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Journal of Materials Chemistry A