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Electrochemical Reduction of CO₂ at Multi-Metallic Interfaces

Lookup NU author(s): Dr Shahid RasulORCiD, Adrien Pugnant, Professor Eileen Yu

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Abstract

© The Electrochemical Society. Oxide-derived (OD) Sn-Pb-Sb, and Cu-Sn alloy catalysts were prepared for electrochemical reduction of CO2 (eCO2R) for formate (HCOO-) and carbon monoxide (CO) production. The morphology, elemental mapping, and electrochemical behavior of the electrocatalysts were probed systematically. The results demonstrate that OD-Sn-Pb-Sb alloy improved the FEHCCO-remarkably from 68% to 91% without any reduction in current density. For eCO2R to CO production, Cu-Sn alloy electrodes were prepared and the results show that Cu-Sn alloy electrode reduces C02 to CO selectively (FE∼91%) at a high current density. The improved eCO2R performance of OD-Sn-Pb-Sb and Cu-Sn electrodes relative to their pristine electrodes could be attributed to local geometric and electronic structural changes.

Publication metadata

Author(s): Rasul S, Pugnant A, Yu EH

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 233rd ECS Meeting

Year of Conference: 2018

Pages: 57-66

Online publication date: 13/05/2018

Acceptance date: 02/04/2018

Publisher: Electrochemical Society Inc.

URL: https://doi.org/10.1149/08510.0057ecst

DOI: 10.1149/08510.0057ecst

Library holdings: Search Newcastle University Library for this item

ISBN: 9781607685395

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