DOI: 10.1016/j.jcou.2013.12.006
Scopus记录号: 2-s2.0-84893152302
论文题名: Revisiting strontium-doped lanthanum cuprate perovskite for the electrochemical reduction of CO2
作者: Mignard D. ; Barik R.C. ; Bharadwaj A.S. ; Pritchard C.L. ; Ragnoli M. ; Cecconi F. ; Miller H. ; Yellowlees L.J.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2014
卷: 5 起始页码: 53
结束页码: 59
语种: 英语
英文关键词: CO2 electrochemical reduction
; Ethylene
; Hydrogen
; Renewable power
; Synthetic natural gas
Scopus关键词: Applied potentials
; Electrochemical reductions
; Gas diffusion electrodes
; Lanthanum cuprates
; Operational experience
; Renewable Power
; Storage of hydrogen
; Synthetic natural gas
; Chemical industry
; Digital storage
; Electrocatalysts
; Electrolytic reduction
; Ethylene
; Hydrogen
; Hydrogen storage
; Indicators (chemical)
; Lanthanum
; Methane
; Perovskite
; Strontium
; Carbon dioxide
英文摘要: The conversion of wind, solar or marine energies to fuels and chemicals can exploit the chemical utilisation of carbon dioxide, and could lead to a more sustainable chemical industry. In particular, electrolytic conversion of CO 2 may suit the short-term variability of the energy supply while avoiding issues associated with the large scale storage of hydrogen. Lanthanum cuprate perovskites were described a while ago as promising electrocatalysts for the production of valuable higher alcohols, ethylene and methane from CO 2. However, confusion was apparent in the literature as to the nature of the compound that was used, and the data on applied potentials was scarce. In this paper, we report on the electroreduction of CO2 at a gas diffusion electrode loaded with a strontium-doped lanthanum cuprate perovskite in 0.5 M KOH. The compound was prepared following the procedure that was described in previous literature on CO2 electroreduction, and it was characterised as a mixture of bi-layered La1.8Sr 0.2CuO4 with tetragonal (La,Sr)CuO2.6. We also extended the range of temperatures (2-40 C) and pressures (1-43 barg). Methane and ethylene were major products of electroreduction, unlike in previous work where alcohols were dominant. Results and the operational experience from this work should help direct effort towards catalysts that have the advantages of copper metal without its limitations. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52993
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Mignard D.,Barik R.C.,Bharadwaj A.S.,et al. Revisiting strontium-doped lanthanum cuprate perovskite for the electrochemical reduction of CO2[J]. Journal of CO2 Utilization,2014-01-01,5