Single-walled carbon nanotubes as stabilizing agents in red phosphorus Li-ion battery anodes
KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
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AbstractPhosphorus boasts extremely high gravimetric and volumetric capacities but suffers from poor electrochemical stability with significant capacity loss immediately after the first cycle. We propose to circumvent this issue by mixing amorphous red phosphorus with single-walled carbon nanotubes. Employing a non-destructive sublimation–deposition method, we have synthesized composites where the synergetic effect between red phosphorus and single-walled carbon nanotubes allows for a considerable improvement in the electrochemical stability of battery anodes. In contrast to the average 40% loss of capacity after 50 cycles for other phosphorus–carbon composites in the literature, our material shows losses of just 22% under analogous cycling conditions.
CitationSmajic J, Alazmi A, Patole SP, Costa PMFJ (2017) Single-walled carbon nanotubes as stabilizing agents in red phosphorus Li-ion battery anodes. RSC Adv 7: 39997–40004. Available: http://dx.doi.org/10.1039/c7ra06601e.
SponsorsWe acknowledge the financial support from KAUST (BAS/1/1346-01-01) and technical assistance from the Core Laboratories at KAUST.
PublisherRoyal Society of Chemistry (RSC)
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