Solution Synthesis of Iodine-Doped Red Phosphorus Nanoparticles for Lithium-Ion Battery Anodes

Red phosphorus (RP) is a promising anode material for lithium-ion batteries due to its earth abundance and a high theoretical capacity of 2596 mA h g–1. Although RP-based anodes for lithium-ion batteries have been reported, they were all in the form of carbon–P composites, including P–graphene, P–gr...

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Bibliographic Details
Published in:Nano letters 2017-02, Vol.17 (2), p.1240-1247
Main Authors: Chang, Wei-Chung, Tseng, Kuan-Wei, Tuan, Hsing-Yu
Format: Article
Language:English
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Summary:Red phosphorus (RP) is a promising anode material for lithium-ion batteries due to its earth abundance and a high theoretical capacity of 2596 mA h g–1. Although RP-based anodes for lithium-ion batteries have been reported, they were all in the form of carbon–P composites, including P–graphene, P–graphite, P–carbon nanotubes (CNTs), and P–carbon black, to improve P’s extremely low conductivity and large volume change during cycling process. Here, we report the large-scale synthesis of red phosphorus nanoparticles (RPNPs) with sizes ranging from 100 to 200 nm by reacting PI3 with ethylene glycol in the presence of cetyltrimethylammonium bromide (CTAB) in ambient environment. Unlike the insulator behavior of commercial RP (conductivity of
ISSN:1530-6984
1530-6992
DOI:10.1021/acs.nanolett.6b05081