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Achieving both high selectivity and current density for CO2 reduction to formate on nanoporous tin foam electrocatalysts
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Du, Dongwei, Lan, Rong, Humphreys, John, Sengodan, Sivaprakash, Xie, Kui, Wang, Huanting and Tao, Shanwen (2016) Achieving both high selectivity and current density for CO2 reduction to formate on nanoporous tin foam electrocatalysts. Chemistry - A European Journal, 1 (8). pp. 1711-1715. doi:10.1002/slct.201600451 ISSN 0947-6539.
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WRAP_1472529-es-030616-chemsitryselect_foam_tin_catalyst_for_co2_to_formate_2016-04-20.pdf - Accepted Version - Requires a PDF viewer. Download (1964Kb) |
Official URL: http://dx.doi.org/10.1002/slct.201600451
Abstract
Currently, low catalytic activity, selectivity and stability are the biggest challenges which restrict the large scale applications of CO2 electrochemical reduction. Formic acid, one of the highest value-added products from electrochemical reduction of CO2, has gathered much interest. Here, we develop nanoporous tin foam catalysts which exhibit significantly high selectivity and faster production rate to formate. In a 0.1 M NaHCO3 solution, the maximum Faradaic efficiency for formate production reaches above 90% with a current density over 23 mA cm-2 , which are among the highest reported value to date under ambient conditions. The improved production rate can be attributed to the high surface area and porous structure. Moreover, the electrocatalysts are quite stable, namely, the Faradaic efficiency remains unchanged during 16 hour electrolysis. This is a promising technology to convert CO2 into useful hydrocarbons.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Carbon dioxide--Absorption and adsorption, Electrocatalysis | ||||||||
Journal or Publication Title: | Chemistry - A European Journal | ||||||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||||||
ISSN: | 0947-6539 | ||||||||
Official Date: | 9 June 2016 | ||||||||
Dates: |
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Volume: | 1 | ||||||||
Number: | 8 | ||||||||
Page Range: | pp. 1711-1715 | ||||||||
DOI: | 10.1002/slct.201600451 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 1 September 2016 | ||||||||
Date of first compliant Open Access: | 1 June 2017 | ||||||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), University of Warwick | ||||||||
Grant number: | EP/GO1244X/1 (EPSRC) | ||||||||
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