Electrochemical Reduction of Carbon Dioxide and Iron Oxide in Molten Salts to Fe/Fe 3 C Modified Carbon for Electrocatalytic Oxygen Evolution | Zendy

Liang Xinxin | Zendy; Xiao Juanxiu | Zendy; Weng Wei | Zendy; Xiao Wei | Zendy

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Electrochemical Reduction of Carbon Dioxide and Iron Oxide in Molten Salts to Fe/Fe 3 C Modified Carbon for Electrocatalytic Oxygen Evolution

Author(s) -

Liang Xinxin,

Xiao Juanxiu,

Weng Wei,

Xiao Wei

Publication year - 2021

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.202013257

Subject(s) - electrocatalyst , oxygen evolution , electrochemistry , electrolysis , materials science , electrolysis of water , inorganic chemistry , anode , carbon fibers , chemical engineering , electrochemical reduction of carbon dioxide , chemistry , catalysis , electrode , carbon monoxide , electrolyte , composite material , organic chemistry , composite number , engineering

Non‐noble electrocatalyst for the oxygen evolution reaction (OER) is essential for water electrolysis and electrochemical conversion of CO 2 . Integrating electrochemical fixation of CO 2 and electrochemical metallurgy to prepare advanced OER electrocatalyst is a promising solution to promote carbon neutrality and renewable energy. Herein, the electrochemical reduction of CO 2 and Fe 2 O 3 are combined in molten salts to prepare cathodic Fe 3 C‐based electrocatalyst and anodic oxygen at 600 °C with enhanced current efficiency. The resulting Fe 3 C‐based electrocatalyst outperforms precious electrocatalyst towards the OER operation in 1 M KOH due to a dynamic structural evolution to form an interface of Fe 3 C‐FeOOH.

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