Issue 26, 2025

Electrochemical formation of methane, ethylene, and ethane with a bimetallic nickel complex: Is CO2 the source of carbon?

Abstract

Most molecular CO2 reduction electrocatalysts generate CO as the only gaseous carbon product. Herein, we report a dinickel complex that produces H2, CO, CH4, C2H4, and C2H6 under negative applied potentials. Using 13C isotopic labelling and high-resolution mass spectrometry, we find that CO and CH4 originate from CO2, C2H4 does not, and the origin of C2H6 remains unresolved.

Graphical abstract: Electrochemical formation of methane, ethylene, and ethane with a bimetallic nickel complex: Is CO2 the source of carbon?

Supplementary files

Article information

Article type
Communication
Submitted
21 May 2025
Accepted
11 Jun 2025
First published
11 Jun 2025

Dalton Trans., 2025,54, 10216-10221

Electrochemical formation of methane, ethylene, and ethane with a bimetallic nickel complex: Is CO2 the source of carbon?

K. Teindl, A. Y. Cai, D. Graham, K. L. Branch, R. Farhat, S. Sahu, A. M. Hallas and E. M. Nichols, Dalton Trans., 2025, 54, 10216 DOI: 10.1039/D5DT01205H

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