dc.contributor.author |
Yang, Yonggang
|
|
dc.contributor.author |
Zhang, Yongguang
|
|
dc.contributor.author |
Hua, Zhengshen
|
|
dc.contributor.author |
Wang, Xin
|
|
dc.contributor.author |
Peng, Huifen
|
|
dc.contributor.author |
Bakenov, Zhumabay
|
|
dc.creator |
Yonggang, Yang |
|
dc.date.accessioned |
2018-01-04T05:21:22Z |
|
dc.date.available |
2018-01-04T05:21:22Z |
|
dc.date.issued |
2016-11-20 |
|
dc.identifier |
DOI:10.1016/j.electacta.2016.10.044 |
|
dc.identifier.citation |
Yonggang Yang, Yongguang Zhang, Zhengshen Hua, Xin Wang, Huifen Peng, Zhumabay Bakenov, Effect of VO43− substitution for PO43− on electrochemical properties of the Li3Fe2(PO4)3 cathode materials, In Electrochimica Acta, Volume 219, 2016, Pages 547-552 |
en_US |
dc.identifier.issn |
00134686 |
|
dc.identifier.uri |
https://www.sciencedirect.com/science/article/pii/S0013468616321314 |
|
dc.identifier.uri |
http://nur.nu.edu.kz/handle/123456789/3076 |
|
dc.description.abstract |
Abstract In this research, VO43− substitution was used to improve electrochemical properties of the Nasicon Li3Fe2(PO4)3 cathode material. The VO43− substitution resulted in formation of a homogeneous compound Li3Fe2(PO4)3-x(VO4)x in a composition range of x≤0.45; further introduction of VO43− led to precipitation of some other phases. It was shown that the VO43− substituted samples presented discharging capacity higher than that of bare non-substituted Nasicon and the reported Ti4+ and Mn2+ doped ones. The Li3Fe2(PO4)2.55(VO4)0.45 material exhibited excellent cycling stability and rate capability, and retained a capacity of 91.8mAhg−1 after 60 cycles at 2C charge-discharge rate. This value is one of the highest reported to date for the Li3Fe2(PO4)3 compound, and was about 48% higher than that of the latter. The electrochemical performance enhancements for the VO43− substituted samples were attributed to the reduction of charge transfer resistance, increase of electrical conductivity, and fast lithium ion diffusion behavior. Hence, the obtained results proved that the VO43− anion substitution for PO43− is a powerful technique to improve the electrochemical performance of the studied Nasicon compound. |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
Electrochimica Acta |
en_US |
dc.relation.ispartof |
Electrochimica Acta |
|
dc.subject |
Lithium ion battery |
en_US |
dc.subject |
Nasicon cathode |
en_US |
dc.subject |
Li3Fe2(PO4)3 |
en_US |
dc.subject |
Mixed anion effect |
en_US |
dc.subject |
Anion substitution |
en_US |
dc.title |
Effect of VO43− substitution for PO43− on electrochemical properties of the Li3Fe2(PO4)3 cathode materials |
en_US |
dc.type |
Article |
en_US |
dc.rights.license |
© 2016 Elsevier Ltd. All rights reserved. |
|
elsevier.identifier.doi |
10.1016/j.electacta.2016.10.044 |
|
elsevier.identifier.eid |
1-s2.0-S0013468616321314 |
|
elsevier.identifier.pii |
S0013-4686(16)32131-4 |
|
elsevier.identifier.scopusid |
84991583707 |
|
elsevier.volume |
219 |
|
elsevier.coverdate |
2016-11-20 |
|
elsevier.coverdisplaydate |
20 November 2016 |
|
elsevier.startingpage |
547 |
|
elsevier.endingpage |
552 |
|
elsevier.openaccess |
0 |
|
elsevier.openaccessarticle |
false |
|
elsevier.openarchivearticle |
false |
|
elsevier.teaser |
In this research, VO43− substitution was used to improve electrochemical properties of the Nasicon Li3Fe2(PO4)3 cathode material. The VO43− substitution resulted in formation of a homogeneous compound... |
|
elsevier.aggregationtype |
Journal |
|
workflow.import.source |
science |
|