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Issue 4, 2018
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High-performance red phosphorus/carbon nanofibers/graphene free-standing paper anode for sodium ion batteries

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Abstract

Red phosphorus (P) has been regarded as an attractive anode material in a sodium-ion battery (SIB) due to its natural abundance and higher theoretical specific capacity. We developed a novel flexible P/carbon nanofibers@reduced graphene oxide (P/CFs@RGO) electrode for sodium-ion batteries through simple vapor-redistribution and electrospinning. In this multi-layer structured P/CFs@RGO electrode, the large volume changes of the red P layer during cycling can be easily buffered and the loss of P from carbon fibers is prevented. In addition, the electrodes have better electron transport. As the result, the as-prepared P/CFs@RGO electrode delivers a high capacity retention of 725.9 mA h g−1 after 55 cycles at 50 mA g−1 and a significant capacity of 406.6 mA h g−1 even at large current densities of 1000 mA g−1 after 180 cycles.

Graphical abstract: High-performance red phosphorus/carbon nanofibers/graphene free-standing paper anode for sodium ion batteries

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Publication details

The article was received on 03 Sep 2017, accepted on 13 Dec 2017 and first published on 14 Dec 2017


Article type: Paper
DOI: 10.1039/C7TA07762A
Citation: J. Mater. Chem. A, 2018,6, 1574-1581
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    High-performance red phosphorus/carbon nanofibers/graphene free-standing paper anode for sodium ion batteries

    X. Ma, L. Chen, X. Ren, G. Hou, L. Chen, L. Zhang, B. Liu, Q. Ai, L. Zhang, P. Si, J. Lou, J. Feng and L. Ci, J. Mater. Chem. A, 2018, 6, 1574
    DOI: 10.1039/C7TA07762A

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