Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation
1
Institute of New Energy on Chemical Storage and Power Sources, School of Chemistry and Environmental Engineering, Yancheng Teachers University, No. 2 Xiwang Avenue, Yancheng, 224007, Jiangsu Province, China.
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Publication type: Journal Article
Publication date: 2018-10-05
scimago Q3
wos Q4
SJR: 0.279
CiteScore: 2.6
Impact factor: 0.9
ISSN: 00049425, 14450038
DOI:
10.1071/ch18356
General Chemistry
Abstract
An ultrathin mesoporous silica layer was directly coated onto Pt/C (Pt/C@mSiO2) using a cetyltrimethyl ammonium bromide (CTAB)-modified Stöber method without introducing an intermediate layer. The stability of the synthesised Pt/C@mSiO2 was evaluated by the accelerated potential cycling test (APCT). The electrochemically active surface area (ECSA) of the Pt/C@mSiO2 remained at 90 % while the ECSA of the Pt/C decreased to 51 % after APCT. Transmission electron microscopy images of the Pt/C and the Pt/C@mSiO2 before and after APCT suggest the silica coating effectively suppressed Pt aggregation. Furthermore, the Pt/C@mSiO2 exhibited higher electrocatalytic activity for methanol oxidation reaction than Pt/C.
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Xu G., Huang B. Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation // Australian Journal of Chemistry. 2018. Vol. 71. No. 11. p. 907.
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Xu G., Huang B. Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation // Australian Journal of Chemistry. 2018. Vol. 71. No. 11. p. 907.
Cite this
RIS
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TY - JOUR
DO - 10.1071/ch18356
UR - https://doi.org/10.1071/ch18356
TI - Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation
T2 - Australian Journal of Chemistry
AU - Xu, Guodong
AU - Huang, Bing
PY - 2018
DA - 2018/10/05
PB - CSIRO Publishing
SP - 907
IS - 11
VL - 71
SN - 0004-9425
SN - 1445-0038
ER -
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BibTex (up to 50 authors)
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@article{2018_Xu,
author = {Guodong Xu and Bing Huang},
title = {Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation},
journal = {Australian Journal of Chemistry},
year = {2018},
volume = {71},
publisher = {CSIRO Publishing},
month = {oct},
url = {https://doi.org/10.1071/ch18356},
number = {11},
pages = {907},
doi = {10.1071/ch18356}
}
Cite this
MLA
Copy
Xu, Guodong, and Bing Huang. “Enhancement of Durability and Electrocatalytic Activity of Pt/C via CTAB-Modified Ultrathin Mesoporous Silica Coating for Methanol Oxidation.” Australian Journal of Chemistry, vol. 71, no. 11, Oct. 2018, p. 907. https://doi.org/10.1071/ch18356.