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Brass and Bronze as Effective CO 2 Reduction Electrocatalysts
Author(s) -
He Jingfu,
Dettelbach Kevan E.,
Huang Aoxue,
Berlinguette Curtis P.
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201709932
Subject(s) - overpotential , formate , ternary operation , brass , faraday efficiency , materials science , catalysis , inorganic chemistry , bronze , copper , metallurgy , chemical engineering , chemistry , electrochemistry , electrode , organic chemistry , computer science , engineering , programming language
Abstract Electrochemically reducing CO 2 into fuels using renewable electricity is a contemporary global challenge that requires significant advances in catalyst design. Photodeposition techniques were used to screen ternary alloys of Cu‐Zn‐Sn, which includes brass and bronze, for the electrocatalytic reduction of CO 2 to CO and formate. This analysis identified Cu 0.2 Zn 0.4 Sn 0.4 and Cu 0.2 Sn 0.8 to be capable of reaching Faradaic efficiencies of >80 % for CO and formate formation, respectively, and capable of achieving partial current densities of 3 mA cm −2 at an overpotential of merely 200 mV.