An Amorphous Red Phosphorus/Carbon Composite as a Promising Anode Material for Sodium Ion Batteries
Youngjin Kim(Seoul National University), Yuwon Park(Ulsan National Institute of Science and Technology), Aram Choi(Ulsan National Institute of Science and Technology), Nam‐Soon Choi(Ulsan National Institute of Science and Technology), Jeongsoo Kim(SK Group (South Korea)), Junesoo Lee(SK Group (South Korea)), Ji Heon Ryu(Korea Polytechnic University), Seung M. Oh(Seoul National University), Kyu Tae Lee(Ulsan National Institute of Science and Technology)
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Abstract
An amorphous red phosphorus/carbon composite is obtained through a facile and simple ball milling process, and its electrochemical performance as an anode material for Na ion batteries is evaluated. The composite shows excellent electrochemical performance including a high specific capacity of 1890 mA h g(-1), negligible capacity fading over 30 cycles, an ideal redox potential (0.4 V vs. Na/Na(+)), and an excellent rate performance, thus making it a promising candidate for Na ion batteries.
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