One-step replication and enhanced catalytic activity for cathodic oxygen reduction of the mesostructured Co3O4/carbon composites

Yongxia Wang; Xiangzhi Cui; Lisong Chen; Chenyang Wei; Fangming Cui; Heliang Yao; Jianlin Shi; Yongsheng Li

doi:10.1039/c3dt53192a

One-step replication and enhanced catalytic activity for cathodic oxygen reduction of the mesostructured Co₃O₄/carbon composites

Yongxia Wang, Xiangzhi Cui, Lisong Chen, Chenyang Wei, Fangming Cui, Heliang Yao, Jianlin Shi, Yongsheng Li

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Mesostructured Co₃O₄/C composites of high surface area have been synthesized via a one-step replica route by co-nanocasting cobalt and carbon precursors into mesoporous silica, in which the Co₃O ₄ nanoparticles are homogeneously dispersed in the mesoporous structure of carbon substrates. The mesostructured composites showed relatively high catalytic activities for oxygen reduction reaction (ORR), and that with a Co loading content of 4.3 at% exhibited the best electrochemical performance for ORR. The relatively high catalytic activity is attributed to the effects of the redox couples (Co³⁺/Co²⁺) together with the contribution from the conductive mesoporous carbon substrate.

Original language	English
Pages (from-to)	4163-4168
Number of pages	6
Journal	Dalton Transactions
Volume	43
Issue number	10
DOIs	https://doi.org/10.1039/c3dt53192a
State	Published - 14 Mar 2014
Externally published	Yes

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title = "One-step replication and enhanced catalytic activity for cathodic oxygen reduction of the mesostructured Co3O4/carbon composites",

abstract = "Mesostructured Co3O4/C composites of high surface area have been synthesized via a one-step replica route by co-nanocasting cobalt and carbon precursors into mesoporous silica, in which the Co3O 4 nanoparticles are homogeneously dispersed in the mesoporous structure of carbon substrates. The mesostructured composites showed relatively high catalytic activities for oxygen reduction reaction (ORR), and that with a Co loading content of 4.3 at\% exhibited the best electrochemical performance for ORR. The relatively high catalytic activity is attributed to the effects of the redox couples (Co3+/Co2+) together with the contribution from the conductive mesoporous carbon substrate.",

author = "Yongxia Wang and Xiangzhi Cui and Lisong Chen and Chenyang Wei and Fangming Cui and Heliang Yao and Jianlin Shi and Yongsheng Li",

year = "2014",

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doi = "10.1039/c3dt53192a",

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T1 - One-step replication and enhanced catalytic activity for cathodic oxygen reduction of the mesostructured Co3O4/carbon composites

AU - Wang, Yongxia

AU - Cui, Xiangzhi

AU - Chen, Lisong

AU - Wei, Chenyang

AU - Cui, Fangming

AU - Yao, Heliang

AU - Shi, Jianlin

AU - Li, Yongsheng

PY - 2014/3/14

Y1 - 2014/3/14

N2 - Mesostructured Co3O4/C composites of high surface area have been synthesized via a one-step replica route by co-nanocasting cobalt and carbon precursors into mesoporous silica, in which the Co3O 4 nanoparticles are homogeneously dispersed in the mesoporous structure of carbon substrates. The mesostructured composites showed relatively high catalytic activities for oxygen reduction reaction (ORR), and that with a Co loading content of 4.3 at% exhibited the best electrochemical performance for ORR. The relatively high catalytic activity is attributed to the effects of the redox couples (Co3+/Co2+) together with the contribution from the conductive mesoporous carbon substrate.

AB - Mesostructured Co3O4/C composites of high surface area have been synthesized via a one-step replica route by co-nanocasting cobalt and carbon precursors into mesoporous silica, in which the Co3O 4 nanoparticles are homogeneously dispersed in the mesoporous structure of carbon substrates. The mesostructured composites showed relatively high catalytic activities for oxygen reduction reaction (ORR), and that with a Co loading content of 4.3 at% exhibited the best electrochemical performance for ORR. The relatively high catalytic activity is attributed to the effects of the redox couples (Co3+/Co2+) together with the contribution from the conductive mesoporous carbon substrate.

UR - https://www.scopus.com/pages/publications/84893928913

U2 - 10.1039/c3dt53192a

DO - 10.1039/c3dt53192a

M3 - 文章

AN - SCOPUS:84893928913

SN - 1477-9226

VL - 43

SP - 4163

EP - 4168

JO - Dalton Transactions

JF - Dalton Transactions

IS - 10

ER -

One-step replication and enhanced catalytic activity for cathodic oxygen reduction of the mesostructured Co₃O₄/carbon composites

Abstract

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