NIMTE OpenIR  > 2018专题
Facile synthesis of tin-doped mayenite electride composite as a non-noble metal durable electrocatalyst for oxygen reduction reaction (ORR)
Khan, Karim; Tareen, Ayesha Khan; Li, Jia; Khan, Usman; Nairan, Adeela; Yuan, Yao; Zhang, Xuyang; Yang, Minghui; Ouyang, Zhengbiao
2018
Source PublicationDALTON TRANSACTIONS
Volume47Issue:38Pages:13498-13506
AbstractD In this study, we synthesized nanosized Sn-doped C12A7:e(-) (C12Al7-xSnx:e(-), where x = 0.20 to 1) composite with high surface area of 244 m(2) g(-1). An increasing trend in conductivity of Sn-doped C12A7:e(-) composites was observed at 300 K: 24 S cm(-1), 68 S cm(-1), 190 S cm(-1) and 290 S cm(-1), at doping levels of x = 0.20, 0.40, 0.80, and 1, respectively. Sn-doped C12A7:e(-), with and without reduced graphene oxide (rGO), acts as a less expensive and highly active and durable electrocatalyst in the oxygen reduction reaction (ORR) for fuel cells. In the case of C(12)A(7-x)Sn(x):e(-) (where x = 1), calculated onset potential and current density were comparable to the commercially available 20% Pt/C electrode. Moreover, significant improvement was observed for Sn-doped C12A7:e(-) (doping level x = 1) with rGO composite. The ORR current density was about 5.9 mA cm(-2), which was higher than that of Pt/C (5.2 mA cm(-2)). Our investigation of the effect of cation doping on structural and electrical properties of Sn-doped C12A7:e(-) composites shows that these results manifested the feasibility of this sol-gel method for different element doping. Furthermore, the as-prepared promising non-noble metal catalysts (NNMCs), viz., Sn-doped C12A7:e(-) composite materials, possess intrinsic long-time stability and excellent methanol resistance toward ORR in alkaline media and may serve as a promising alternative to Pt/C materials for ORR in its widespread implementation in fuel cells.
KeywordDot 7al(2)o(3) Electride Reduced Graphene Oxide Organic Framework Stable Electride Single-crystal Hydrogen 12cao-center-dot-7al(2)o(3) Fabrication Anions Co
Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17129
Collection2018专题
Recommended Citation
GB/T 7714
Khan, Karim,Tareen, Ayesha Khan,Li, Jia,et al. Facile synthesis of tin-doped mayenite electride composite as a non-noble metal durable electrocatalyst for oxygen reduction reaction (ORR)[J]. DALTON TRANSACTIONS,2018,47(38):13498-13506.
APA Khan, Karim.,Tareen, Ayesha Khan.,Li, Jia.,Khan, Usman.,Nairan, Adeela.,...&Ouyang, Zhengbiao.(2018).Facile synthesis of tin-doped mayenite electride composite as a non-noble metal durable electrocatalyst for oxygen reduction reaction (ORR).DALTON TRANSACTIONS,47(38),13498-13506.
MLA Khan, Karim,et al."Facile synthesis of tin-doped mayenite electride composite as a non-noble metal durable electrocatalyst for oxygen reduction reaction (ORR)".DALTON TRANSACTIONS 47.38(2018):13498-13506.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Khan, Karim]'s Articles
[Tareen, Ayesha Khan]'s Articles
[Li, Jia]'s Articles
Baidu academic
Similar articles in Baidu academic
[Khan, Karim]'s Articles
[Tareen, Ayesha Khan]'s Articles
[Li, Jia]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Khan, Karim]'s Articles
[Tareen, Ayesha Khan]'s Articles
[Li, Jia]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.