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Article: A Targeted Functional Design for Highly Efficient and Stable Cathodes for Rechargeable Li-Ion Batteries

TitleA Targeted Functional Design for Highly Efficient and Stable Cathodes for Rechargeable Li-Ion Batteries
Authors
Keywordscathodes
Li-ion batteries
in situ transmission electron microscopy
density functional theory
3D sandwich arrays
Issue Date2017
Citation
Advanced Functional Materials, 2017, v. 27, n. 4, article no. 1604903 How to Cite?
Abstract© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Despite the great success of Li-ion batteries (LIBs) up to now, higher demand has been raised with the emergence of the new generation electrics, such as portable devices and electrical vehicles. Even with the improvement on anodes, the cathodes with high capacity and long-lastingness still remain a challenge. New 3D NiCo2O4@V2O5core–shell arrays (CSAs) on carbon cloth as cathodes in LIBs have been reported in this work. The nanodesigned materials realize the theoretical specific capacity of V2O5with high power rate based on the total mass of the framework and amount of active materials. The electrodes achieve superb cycling stability, among the most stable cathodes for LIBs ever reported. From both in situ transmission electron microscopy and quantum level calculations, the 3D NiCo2O4nanosheet frameworks provide high electron conductivity and the skeleton of the robust CSAs without participating in the lithiation/delithiation; the thickness of the layered V2O5plays a key role for Li diffusivity and the capacity contribution of electrodes. The structures herein point to new design concepts for high-performance nanoarchitectures for LIB cathodes.
Persistent Identifierhttp://hdl.handle.net/10722/262985
ISSN
2023 Impact Factor: 18.5
2023 SCImago Journal Rankings: 5.496
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHe, Guanjie-
dc.contributor.authorHan, Xiaoyu-
dc.contributor.authorZou, Rujia-
dc.contributor.authorZhao, Tingting-
dc.contributor.authorWeng, Zhe-
dc.contributor.authorHo-Kimura, Soc Man-
dc.contributor.authorLu, Yao-
dc.contributor.authorWang, Hailiang-
dc.contributor.authorGuo, Zheng Xiao-
dc.contributor.authorParkin, Ivan P.-
dc.date.accessioned2018-10-08T09:29:00Z-
dc.date.available2018-10-08T09:29:00Z-
dc.date.issued2017-
dc.identifier.citationAdvanced Functional Materials, 2017, v. 27, n. 4, article no. 1604903-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10722/262985-
dc.description.abstract© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Despite the great success of Li-ion batteries (LIBs) up to now, higher demand has been raised with the emergence of the new generation electrics, such as portable devices and electrical vehicles. Even with the improvement on anodes, the cathodes with high capacity and long-lastingness still remain a challenge. New 3D NiCo2O4@V2O5core–shell arrays (CSAs) on carbon cloth as cathodes in LIBs have been reported in this work. The nanodesigned materials realize the theoretical specific capacity of V2O5with high power rate based on the total mass of the framework and amount of active materials. The electrodes achieve superb cycling stability, among the most stable cathodes for LIBs ever reported. From both in situ transmission electron microscopy and quantum level calculations, the 3D NiCo2O4nanosheet frameworks provide high electron conductivity and the skeleton of the robust CSAs without participating in the lithiation/delithiation; the thickness of the layered V2O5plays a key role for Li diffusivity and the capacity contribution of electrodes. The structures herein point to new design concepts for high-performance nanoarchitectures for LIB cathodes.-
dc.languageeng-
dc.relation.ispartofAdvanced Functional Materials-
dc.subjectcathodes-
dc.subjectLi-ion batteries-
dc.subjectin situ transmission electron microscopy-
dc.subjectdensity functional theory-
dc.subject3D sandwich arrays-
dc.titleA Targeted Functional Design for Highly Efficient and Stable Cathodes for Rechargeable Li-Ion Batteries-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/adfm.201604903-
dc.identifier.scopuseid_2-s2.0-85006992294-
dc.identifier.volume27-
dc.identifier.issue4-
dc.identifier.spagearticle no. 1604903-
dc.identifier.epagearticle no. 1604903-
dc.identifier.eissn1616-3028-
dc.identifier.isiWOS:000394671200019-
dc.identifier.issnl1616-301X-

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