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3. Sodium storage mechanism of a GeP5/C composite as a high capacity anode material for sodium-ion batteries.

Author

Zhang, Mao-Hui, Meng, Jing-Ke, Xiao, Na, Shao, Rui-Wen, Wu, Xiao-Jing, Gao, Peng, Shadike, Zulipiya, and Zhou, Yong-Ning

Subjects
*REVERSIBLE phase transitions, *SODIUM ions, *SODIUM, *STORAGE
Abstract

The sodium storage mechanism of a GeP5/C composite electrode was revealed. Metallic Ge formed during discharge enhances the electronic conductivity of the electrode, while NaxP mitigates the agglomeration and volume change of Ge in the alloying process. The GeP5 phase is regenerated after recharge along with elemental Ge and P, implying a reversible phase transition of GeP5 during cycling. [ABSTRACT FROM AUTHOR]

Published
2022
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4. Sodium storage mechanism of a GeP 5 /C composite as a high capacity anode material for sodium-ion batteries.

Author

Zhang MH, Meng JK, Xiao N, Shao RW, Wu XJ, Gao P, Shadike Z, and Zhou YN

Abstract

The sodium storage mechanism of a GeP 5 /C composite electrode was revealed. Metallic Ge formed during discharge enhances the electronic conductivity of the electrode, while Na x P mitigates the agglomeration and volume change of Ge in the alloying process. The GeP 5 phase is regenerated after recharge along with elemental Ge and P, implying a reversible phase transition of GeP 5 during cycling.

Published
2022
Full Text
View/download PDF

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