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Issue 14, 2017
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A black/red phosphorus hybrid as an electrode material for high-performance Li-ion batteries and supercapacitors

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Abstract

A single elemental hybrid composed of black phosphorus (BP) and red phosphorus (RP) is synthesized via a feasible sonochemical method. BP and RP can construct a new single elemental heterostructure. This kind of structure with an excellent interfacial contact between BP and RP would be beneficial to electron transfer and exhibits a superior electrochemical performance. Compared with the sole RP, the as-prepared BP/RP hybrid exhibits enhanced electrochemical performances as an electrode material for both lithium-ion batteries and supercapacitors. For lithium-ion battery applications, the BP/RP hybrid provides a high cycling performance with an initial discharge capacity of 2449 mA h g−1 and a reversible capacity of 491 mA h g−1 after 100 cycles. For supercapacitor applications, the specific capacitance of the BP/RP hybrid achieves a high value up to about 60.1 F g−1 and a long cycling life with a capacity retention of 83.3% after 2000 cycles. The present study demonstrates that the BP/RP hybrid has potential for application as an electrode with high performances in electrochemical energy-storage devices.

Graphical abstract: A black/red phosphorus hybrid as an electrode material for high-performance Li-ion batteries and supercapacitors

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Publication details

The article was received on 14 Jan 2017, accepted on 02 Mar 2017 and first published on 02 Mar 2017


Article type: Paper
DOI: 10.1039/C7TA00455A
Citation: J. Mater. Chem. A, 2017,5, 6581-6588
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    A black/red phosphorus hybrid as an electrode material for high-performance Li-ion batteries and supercapacitors

    X. Chen, G. Xu, X. Ren, Z. Li, X. Qi, K. Huang, H. Zhang, Z. Huang and J. Zhong, J. Mater. Chem. A, 2017, 5, 6581
    DOI: 10.1039/C7TA00455A

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