Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols
Robin Forslund
1
,
Caleb Alexander
2
,
Publication type: Journal Article
Publication date: 2019-02-11
scimago Q1
wos Q1
SJR: 3.782
CiteScore: 19.5
Impact factor: 13.1
ISSN: 21555435
General Chemistry
Catalysis
Abstract
The electrooxidation of urea continues to attract considerable interest as an alternative to the oxygen evolution reaction (OER) as the anodic reaction in the electrochemical generation of hydrogen due to the lower potential required to drive the reaction and the abundance of urea available in waste streams. Herein, we investigate the effect of Sr substitution in a series of La2–xSrxNiO4+δ Ruddlesden–Popper catalysts on the electrooxidations of urea, methanol, and ethanol and conclude that activities toward the urea oxidation reaction increase with increasing Ni oxidation state. The 75% Sr-substituted La0.5Sr1.5NiO4+δ catalyst exhibits a mass activity of 588 mA mgox–1 and 7.85 A mg–1 cmox–2 for the electrooxidation of urea in 1 M KOH containing 0.33 M urea, demonstrating the potential applications of Ni-based Ruddlesden–Popper materials for direct urea fuel cells and low-cost hydrogen production. Additionally, we find the same correlations between Ni oxidation state and activities for the electrooxidation...
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130
Total citations:
130
Citations from 2024:
39
(30%)
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MLA
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GOST
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Forslund R. et al. Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols // ACS Catalysis. 2019. Vol. 9. No. 3. pp. 2664-2673.
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Forslund R., Alexander C., Abakumov A. M., Johnston K. P., Stevenson K. J. Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols // ACS Catalysis. 2019. Vol. 9. No. 3. pp. 2664-2673.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acscatal.8b04103
UR - https://doi.org/10.1021/acscatal.8b04103
TI - Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols
T2 - ACS Catalysis
AU - Forslund, Robin
AU - Alexander, Caleb
AU - Abakumov, Artem M.
AU - Johnston, Keith P.
AU - Stevenson, Keith J
PY - 2019
DA - 2019/02/11
PB - American Chemical Society (ACS)
SP - 2664-2673
IS - 3
VL - 9
SN - 2155-5435
ER -
Cite this
BibTex (up to 50 authors)
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@article{2019_Forslund,
author = {Robin Forslund and Caleb Alexander and Artem M. Abakumov and Keith P. Johnston and Keith J Stevenson},
title = {Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols},
journal = {ACS Catalysis},
year = {2019},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/acscatal.8b04103},
number = {3},
pages = {2664--2673},
doi = {10.1021/acscatal.8b04103}
}
Cite this
MLA
Copy
Forslund, Robin, et al. “Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden–Popper Catalysts for the Oxidation of Urea and Small Alcohols.” ACS Catalysis, vol. 9, no. 3, Feb. 2019, pp. 2664-2673. https://doi.org/10.1021/acscatal.8b04103.