NaxMV(PO4)3(M = Mn, Fe, Ni) Structure and Properties for Sodium Extraction

Weidong Zhou; Leigang Xue; Xujie Lü; Hongcai Gao; Yutao Li; Sen Xin; Gengtao Fu; Zhiming Cui; Ye Zhu; John B. Goodenough

doi:10.1021/acs.nanolett.6b04044

Na_xMV(PO₄)₃(M = Mn, Fe, Ni) Structure and Properties for Sodium Extraction

Weidong Zhou, Leigang Xue, Xujie Lü, Hongcai Gao, Yutao Li, Sen Xin, Gengtao Fu, Zhiming Cui, Ye Zhu, John B. Goodenough

Research output: Journal article publication › Journal article › Academic research › peer-review

293 Citations (Scopus)

Abstract

NASICON (Na+super ionic conductor) structures of NaxMV(PO4)3(M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, and demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples of Mn3+/Mn2+and V4+/V3+are accessed with two voltage plateaus located at 3.6 and 3.3 V and a capacity of 101 mAh g-1at 1 C. Furthermore, the Na4MnV(PO4)3cathode delivers a high initial efficiency of 97%, long durability over 1000 cycles, and good rate performance to 10 C. The robust framework structure and stable electrochemical performance makes it a reliable cathode materials for sodium-ion batteries.

Original language	English
Pages (from-to)	7836-7841
Number of pages	6
Journal	Nano Letters
Volume	16
Issue number	12
DOIs	https://doi.org/10.1021/acs.nanolett.6b04044
Publication status	Published - 14 Dec 2016

Keywords

framework oxide
manganese oxidation
Na transport +
Sodium cathodes
STEM

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

More information

10.1021/acs.nanolett.6b04044

http://hdl.handle.net/10397/100423

Cite this

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title = "NaxMV(PO4)3(M = Mn, Fe, Ni) Structure and Properties for Sodium Extraction",

abstract = "NASICON (Na+super ionic conductor) structures of NaxMV(PO4)3(M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, and demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples of Mn3+/Mn2+and V4+/V3+are accessed with two voltage plateaus located at 3.6 and 3.3 V and a capacity of 101 mAh g-1at 1 C. Furthermore, the Na4MnV(PO4)3cathode delivers a high initial efficiency of 97%, long durability over 1000 cycles, and good rate performance to 10 C. The robust framework structure and stable electrochemical performance makes it a reliable cathode materials for sodium-ion batteries.",

keywords = "framework oxide, manganese oxidation, Na transport +, Sodium cathodes, STEM",

author = "Weidong Zhou and Leigang Xue and Xujie L{\"u} and Hongcai Gao and Yutao Li and Sen Xin and Gengtao Fu and Zhiming Cui and Ye Zhu and Goodenough, {John B.}",

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T1 - NaxMV(PO4)3(M = Mn, Fe, Ni) Structure and Properties for Sodium Extraction

AU - Zhou, Weidong

AU - Xue, Leigang

AU - Lü, Xujie

AU - Gao, Hongcai

AU - Li, Yutao

AU - Xin, Sen

AU - Fu, Gengtao

AU - Cui, Zhiming

AU - Zhu, Ye

AU - Goodenough, John B.

PY - 2016/12/14

Y1 - 2016/12/14

N2 - NASICON (Na+super ionic conductor) structures of NaxMV(PO4)3(M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, and demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples of Mn3+/Mn2+and V4+/V3+are accessed with two voltage plateaus located at 3.6 and 3.3 V and a capacity of 101 mAh g-1at 1 C. Furthermore, the Na4MnV(PO4)3cathode delivers a high initial efficiency of 97%, long durability over 1000 cycles, and good rate performance to 10 C. The robust framework structure and stable electrochemical performance makes it a reliable cathode materials for sodium-ion batteries.

AB - NASICON (Na+super ionic conductor) structures of NaxMV(PO4)3(M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, and demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples of Mn3+/Mn2+and V4+/V3+are accessed with two voltage plateaus located at 3.6 and 3.3 V and a capacity of 101 mAh g-1at 1 C. Furthermore, the Na4MnV(PO4)3cathode delivers a high initial efficiency of 97%, long durability over 1000 cycles, and good rate performance to 10 C. The robust framework structure and stable electrochemical performance makes it a reliable cathode materials for sodium-ion batteries.

KW - framework oxide

KW - manganese oxidation

KW - Na transport +

KW - Sodium cathodes

KW - STEM

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