A high-capacity, low-cost layered sodium manganese oxide material as cathode for sodium-ion batteries

Shaohua Guo; Haijun Yu; Zelang Jian; Pan Liu; Yanbei Zhu; Xianwei Guo; Mingwei Chen; Masayoshi Ishida; Haoshen Zhou

doi:10.1002/cssc.201402138

A high-capacity, low-cost layered sodium manganese oxide material as cathode for sodium-ion batteries

Shaohua Guo, Haijun Yu, Zelang Jian, Pan Liu, Yanbei Zhu, Xianwei Guo, Mingwei Chen, Masayoshi Ishida, Haoshen Zhou

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

A layered sodium manganese oxide material (NaMn₃O₅) is introduced as a novel cathode materials for sodium-ion batteries. Structural characterizations reveal a typical Birnessite structure with lamellar stacking of the synthetic nanosheets. Electrochemical tests reveal a particularly large discharge capacity of 219 mAh g^-1 in the voltage rang of 1.5-4.7 V vs. Na/Na⁺. With an average potential of 2.75 V versus sodium metal, layered NaMn₃O₅ exhibits a high energy density of 602 Wh kg^-1, and also presents good rate capability. Furthermore, the diffusion coefficient of sodium ions in the layered NaMn₃O ₅ electrode is investigated by using the galvanostatic intermittent titration technique. The results greatly contribute to the development of room-temperature sodium-ion batteries based on earth-abundant elements.

Original language	English
Pages (from-to)	2115-2119
Number of pages	5
Journal	ChemSusChem
Volume	7
Issue number	8
DOIs	https://doi.org/10.1002/cssc.201402138
Publication status	Published - 2014 Aug

Keywords

cathodes
electrochemistry
energy storage
layered compounds
sodium-ion batteries

ASJC Scopus subject areas

Environmental Chemistry
Chemical Engineering(all)
Materials Science(all)
Energy(all)

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title = "A high-capacity, low-cost layered sodium manganese oxide material as cathode for sodium-ion batteries",

abstract = "A layered sodium manganese oxide material (NaMn3O5) is introduced as a novel cathode materials for sodium-ion batteries. Structural characterizations reveal a typical Birnessite structure with lamellar stacking of the synthetic nanosheets. Electrochemical tests reveal a particularly large discharge capacity of 219 mAh g-1 in the voltage rang of 1.5-4.7 V vs. Na/Na+. With an average potential of 2.75 V versus sodium metal, layered NaMn3O5 exhibits a high energy density of 602 Wh kg-1, and also presents good rate capability. Furthermore, the diffusion coefficient of sodium ions in the layered NaMn3O 5 electrode is investigated by using the galvanostatic intermittent titration technique. The results greatly contribute to the development of room-temperature sodium-ion batteries based on earth-abundant elements.",

keywords = "cathodes, electrochemistry, energy storage, layered compounds, sodium-ion batteries",

author = "Shaohua Guo and Haijun Yu and Zelang Jian and Pan Liu and Yanbei Zhu and Xianwei Guo and Mingwei Chen and Masayoshi Ishida and Haoshen Zhou",

year = "2014",

month = aug,

doi = "10.1002/cssc.201402138",

language = "English",

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AU - Guo, Shaohua

AU - Yu, Haijun

AU - Jian, Zelang

AU - Liu, Pan

AU - Zhu, Yanbei

AU - Guo, Xianwei

AU - Chen, Mingwei

AU - Ishida, Masayoshi

AU - Zhou, Haoshen

PY - 2014/8

Y1 - 2014/8

N2 - A layered sodium manganese oxide material (NaMn3O5) is introduced as a novel cathode materials for sodium-ion batteries. Structural characterizations reveal a typical Birnessite structure with lamellar stacking of the synthetic nanosheets. Electrochemical tests reveal a particularly large discharge capacity of 219 mAh g-1 in the voltage rang of 1.5-4.7 V vs. Na/Na+. With an average potential of 2.75 V versus sodium metal, layered NaMn3O5 exhibits a high energy density of 602 Wh kg-1, and also presents good rate capability. Furthermore, the diffusion coefficient of sodium ions in the layered NaMn3O 5 electrode is investigated by using the galvanostatic intermittent titration technique. The results greatly contribute to the development of room-temperature sodium-ion batteries based on earth-abundant elements.

AB - A layered sodium manganese oxide material (NaMn3O5) is introduced as a novel cathode materials for sodium-ion batteries. Structural characterizations reveal a typical Birnessite structure with lamellar stacking of the synthetic nanosheets. Electrochemical tests reveal a particularly large discharge capacity of 219 mAh g-1 in the voltage rang of 1.5-4.7 V vs. Na/Na+. With an average potential of 2.75 V versus sodium metal, layered NaMn3O5 exhibits a high energy density of 602 Wh kg-1, and also presents good rate capability. Furthermore, the diffusion coefficient of sodium ions in the layered NaMn3O 5 electrode is investigated by using the galvanostatic intermittent titration technique. The results greatly contribute to the development of room-temperature sodium-ion batteries based on earth-abundant elements.

KW - cathodes

KW - electrochemistry

KW - energy storage

KW - layered compounds

KW - sodium-ion batteries

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A high-capacity, low-cost layered sodium manganese oxide material as cathode for sodium-ion batteries

Abstract

Keywords

ASJC Scopus subject areas

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