Room temperature CO2 reduction to solid carbon species on liquid metals featuring atomically thin ceria interfaces

Nature Communications
Dorna EsrafilzadehKourosh Kalantar-Zadeh

Abstract

Negative carbon emission technologies are critical for ensuring a future stable climate. However, the gaseous state of CO2 does render the indefinite storage of this greenhouse gas challenging. Herein, we created a liquid metal electrocatalyst that contains metallic elemental cerium nanoparticles, which facilitates the electrochemical reduction of CO2 to layered solid carbonaceous species, at a low onset potential of -310 mV vs CO2/C. We exploited the formation of a cerium oxide catalyst at the liquid metal/electrolyte interface, which together with cerium nanoparticles, promoted the room temperature reduction of CO2. Due to the inhibition of van der Waals adhesion at the liquid interface, the electrode was remarkably resistant to deactivation via coking caused by solid carbonaceous species. The as-produced solid carbonaceous materials could be utilised for the fabrication of high-performance capacitor electrodes. Overall, this liquid metal enabled electrocatalytic process at room temperature may result in a viable negative emission technology.

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Citations

Jun 12, 2019·ChemSusChem·Concepción Molina-JirónMario Ruben
Nov 5, 2019·Nanoscale·Romain David, Norihisa Miki
Nov 26, 2019·Macromolecular Rapid Communications·Tiansheng GanXuechang Zhou
Jun 9, 2020·Advanced Materials·Mohannad MayyasKourosh Kalantar-Zadeh
Aug 12, 2020·Chemical Society Reviews·Young Jin SaYun Jeong Hwang
Aug 29, 2019·Nature Communications·Mohammad Karbalaei Akbari, Serge Zhuiykov
Mar 12, 2020·Proceedings of the National Academy of Sciences of the United States of America·Marcus Woo
Jul 1, 2020·Advanced Science·Yiliang LinMichael D Dickey
Nov 5, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Jannick JacobsenNorbert Stock
Nov 25, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Uwe Bayer, Reiner Anwander
Dec 23, 2020·International Journal of Epidemiology·Oskar KarlssonLinda S Birnbaum
Jan 16, 2021·Advanced Materials·Shasha ZhaoLei Fu
Mar 4, 2021·ChemistryOpen·Jinfeng HeMeilin Wu
Mar 17, 2021·Advanced Healthcare Materials·Young-Geun ParkJang-Ung Park
Nov 26, 2020·ACS Applied Materials & Interfaces·Jinwoo MaMichael D Dickey
Nov 3, 2020·Journal of the American Chemical Society·Laia Castilla-AmorósRaffaella Buonsanti
Jun 28, 2019·ACS Nano·Kourosh Kalantar-ZadehMichael D Dickey
Feb 11, 2020·ACS Applied Materials & Interfaces·Jian ShuShiwu Zhang
Aug 31, 2021·ACS Applied Materials & Interfaces·Francois-Marie AlliouxKourosh Kalantar-Zadeh
Oct 7, 2021·Advanced Materials·Junma TangKourosh Kalantar-Zadeh
Jan 5, 2022·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Francois-Marie AlliouxKourosh Kalantar-Zadeh
Jan 22, 2022·Journal of the American Chemical Society·Laia Castilla-AmorósRaffaella Buonsanti

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Methods Mentioned

BETA
scanning electron microscopy
electron diffraction
X-ray
transmission
NMR
fluorescence microscopy

Software Mentioned

CHI

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