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. 2014 Jun 25;26(24):4139-44.
doi: 10.1002/adma.201305638. Epub 2014 Apr 7.

Tin phosphide as a promising anode material for Na-ion batteries

Youngjin Kim  1 , Yongil Kim, Aram Choi, Sangwon Woo, Duckgyun Mok, Nam-Soon Choi, Yoon Seok Jung, Ji Heon Ryu, Seung M Oh, Kyu Tae Lee
Affiliations

Tin phosphide as a promising anode material for Na-ion batteries

Youngjin Kim et al. Adv Mater. .

Abstract

Sn4 P3 is introduced for the first time as an anode material for Na-ion batteries. Sn4 P3 delivers a high reversible capacity of 718 mA h g(-1), and shows very stable cycle performance with negligible capa-city fading over 100 cycles, which is attributed to the confinement effect of Sn nanocrystallites in the amorphous phosphorus matrix during cycling.

Keywords: anode; electrochemical performance; reaction mechanism; sodium ion battery; tin phosphide.

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