Journal
CHEMELECTROCHEM
Volume 4, Issue 9, Pages 2140-2144Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/celc.201700345
Keywords
anode materials; black phosphorus; nanocomposites; sodium-ion batteries
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Funding
- Chinese Scholarship Council (CSC)
- Dutch Ministry of Economic Affairs and ADEM industrial partners
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Black phosphorus (BP) has received increasing research attention as an anode material in sodium-ion batteries (SIBs), owing to its high capacity, electronic conductivity, and chemical stability. However, it is still challenging for BP-based SIB anodes to achieve a high electrochemical performance utilizing cost-effective materials and synthetic methods. This work presents a sodium-ion anode based on a BP-carbon nanocomposite synthesized from commercial red phosphorus and low-cost super P carbon black. Intimate interactions between BP and carbon are present, which helps to maintain the electrical conduction during cycling and, therefore, a high cycling stability is achieved. It exhibits a high capacity retention of 1381 mAhg(-1) for sodium-ion storage after 100 cycles, maintaining 90.5% of the initial reversible capacity. Such high performance/materials cost ratio may provide direction for future phosphorus-based anodes in high energy density SIBs.
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