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Manganese oxide electrode with excellent electrochemical performance for sodium ion batteries by pre-intercalation of K and Na ions

Feng, Mengya, Du, Qinghua, Su, Li, Zhang, Guowei, Wang, Guiling, Ma, Zhipeng, Gao, Weimin, Qin, Xiujuan and Shao, Guangjie 2017, Manganese oxide electrode with excellent electrochemical performance for sodium ion batteries by pre-intercalation of K and Na ions, Scientific reports, vol. 7, no. 10-8, doi: 10.1038/s41598-017-02028-0.

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Title Manganese oxide electrode with excellent electrochemical performance for sodium ion batteries by pre-intercalation of K and Na ions
Author(s) Feng, Mengya
Du, Qinghua
Su, Li
Zhang, Guowei
Wang, Guiling
Ma, Zhipeng
Gao, WeiminORCID iD for Gao, Weimin orcid.org/0000-0002-7390-169X
Qin, Xiujuan
Shao, Guangjie
Journal name Scientific reports
Volume number 7
Issue number 1
Article ID 2219
End page 8
Total pages 8
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2017-05-22
ISSN 2045-2322
Summary Materials with a layered structure have attracted tremendous attention because of their unique properties. The ultrathin nanosheet structure can result in extremely rapid intercalation/de-intercalation of Na ions in the charge-discharge progress. Herein, we report a manganese oxide with pre-intercalated K and Na ions and having flower-like ultrathin layered structure, which was synthesized by a facile but efficient hydrothermal method under mild condition. The pre-intercalation of Na and K ions facilitates the access of electrolyte ions and shortens the ion diffusion pathways. The layered manganese oxide shows ultrahigh specific capacity when it is used as cathode material for sodium-ion batteries. It also exhibits excellent stability and reversibility. It was found that the amount of intercalated Na ions is approximately 71% of the total charge. The prominent electrochemical performance of the manganese oxide demonstrates the importance of design and synthesis of pre-intercalated ultrathin layered materials.
Language eng
DOI 10.1038/s41598-017-02028-0
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID National Natural Science Foundation of China (No. 51674221)
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30099152

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.