Journal
JOURNAL OF POWER SOURCES
Volume 384, Issue -, Pages 27-33Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2018.02.069
Keywords
Black phosphorus; Lithium-ion battery; High rate-capability; Anode; Electrospinning
Funding
- National Natural Science Foundation of China [21501091, 21505072]
- NSF of Jiangsu Province [BK20170045]
- Recruitment Program of Global Experts [1211019]
- Six Talent Peak Project of Jiangsu Province [XCL043]
- Qing Lan Project of Jiangsu Province and National Key Basic Research Program of China (973) [2015CB932200]
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The emerging wearable and foldable electronic devices drive the development of flexible lithium ion batteries (LIBs). Carbon materials are considered as one of the most promising electrode materials for LIBs due to their light weight, low cost and good structural stability against repeated deformations. However, the specific capacity, rate capability and long-term cycling performance still need to be improved for their applications in next generation LIBs. Herein, we report a facile approach for immobilizing phosphorus into a large-area carbon nanosheets/nanofibers interwoven free-standing paper for LIBs. As an anode material for LIBs, it shows high reversible capacity of 1100 mAh g(-1) at a current density of 200 mA g(-1), excellent rate capabilities (e.g., 200 mAh g(-1) at 20,000 mA g(-1)). Even at a high current density of 1000 mA g(-1), it still maintains a superior specific capacity of 607 mAh g(-1) without obvious decay.
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