Study on LiFe1 − xSmxPO4/C used as cathode materials for lithium-ion batteries with low Sm component

Wang, Wen, Qiao, Yuqing, He, Li, Dumée, Ludovic, Kong, Lingxue, Zhao, Minshou and Gao, Weimin 2015, Study on LiFe1 − xSmxPO4/C used as cathode materials for lithium-ion batteries with low Sm component, Ionics, vol. 21, no. 8, pp. 2119-2125, doi: 10.1007/s11581-015-1397-z.

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Title Study on LiFe1 − xSmxPO4/C used as cathode materials for lithium-ion batteries with low Sm component
Author(s) Wang, Wen
Qiao, Yuqing
He, Li
Dumée, LudovicORCID iD for Dumée, Ludovic
Kong, LingxueORCID iD for Kong, Lingxue
Zhao, Minshou
Gao, WeiminORCID iD for Gao, Weimin
Journal name Ionics
Volume number 21
Issue number 8
Start page 2119
End page 2125
Total pages 7
Publisher Springer
Place of publication Berlin, Germany
Publication date 2015-02
ISSN 0947-7047
Keyword(s) Cathodes
Electrochemical characterizations
Li-ion batteries
Summary LiFe1 − xSmxPO4/C cathode materials were synthesized though a facile hydrothermal method. Compared with high-temperature solid-phase sintering, the method can allow for the fabrication of low Sm content (2 %), a scarce and expensive rare earth element, while the presence of an optimized carbon coating with large amount of sp2-type carbon sharply increases the material’s electrochemical performance. The high-rate dischargeability at 5 C, as well as the exchange current density, can be increased by 21 and 86 %, respectively, which were attributed to the fine size and the large cell parameter a/c as much. It should be pointed out that the a/c value will be increased for the LiFePO4 Sm-doped papered by both of the two methods, while the mechanism is different: The value c is increased for the front and the value a is decreased for the latter, respectively.
Language eng
DOI 10.1007/s11581-015-1397-z
Field of Research 030604 Electrochemistry
091205 Functional Materials
Socio Economic Objective 850701 Commercial Energy Conservation and Efficiency
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID International colaboration
Copyright notice ©2015, Springer Verlag
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Collections: Institute for Frontier Materials
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