CO2 electrolysis to formic acid for carbon neutralization

To avoid carbonate precipitation for CO2 electrolysis, developing CO2 conversion in an acid electrolyte is viewed as an ultimately challenging technology. In Nature, Xia et al. recently explored a proton-exchange membrane system for reducing CO2 to formic acid with a Pb–PbSO4 composite catalyst deri...

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Published inGreen energy & environment Vol. 9; no. 9; pp. 1333 - 1335
Main Authors Qi, Kezhen, Liu, Shu-yuan, Zhang, Yingjie, Zhang, Hui, Popkov, Vadim, Almjasheva, Oksana
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2024
KeAi Communications Co., Ltd
Subjects
Carbon neutralization
CO2 electrolysis
CO2 reduction reaction
Faradaic efficiency
Proton-exchange membrane system
Faradaic efficiency
Carbon neutralization
Proton-exchange membrane system
CO2 reduction reaction
CO2 electrolysis
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Summary:To avoid carbonate precipitation for CO2 electrolysis, developing CO2 conversion in an acid electrolyte is viewed as an ultimately challenging technology. In Nature, Xia et al. recently explored a proton-exchange membrane system for reducing CO2 to formic acid with a Pb–PbSO4 composite catalyst derived from waste lead-acid batteries based on the lattice carbon activation mechanism. Up to 93% Faradaic efficiency was realized when formic acid was produced by this technology. [Display omitted] •The proton-exchange membrane system for converting CO2 into highly valued formic acid.•Lattice carbon activation mechanism for the CO2RR-based Pb–PbSO4 catalyst.•Direction in the CO2-utilized road for carbon neutralization in the future.
ISSN:2468-0257
2468-0257
DOI:10.1016/j.gee.2024.04.011