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Tin phosphide as a promising anode material for Na-ion batteries
Youngjin Kim1, Yongil Kim, Aram Choi
1School of Chemical and Biological Engineering, Seoul National University, 599 Gwanangno, Gwanak-gu, Seoul, 151-744, South Korea.
Advanced Materials (Deerfield Beach, Fla.)
|April 9, 2014
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.

