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Nano Lett. 2013 Sep 11;13(9):4158-63. doi: 10.1021/nl401776d. Epub 2013 Aug 8.

Prelithiation of silicon-carbon nanotube anodes for lithium ion batteries by stabilized lithium metal powder (SLMP).

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NanoPower Research Laboratories and ‡Chemical and Biomedical Engineering, Rochester Institute of Technology , Rochester, New York 14623, United States.


Stabilized lithium metal powder (SLMP) has been applied during battery assembly to effectively prelithiate high capacity (1500-2500 mAh/g) silicon-carbon nanotube (Si-CNT) anodes, eliminating the 20-40% first cycle irreversible capacity loss. Pressure-activation of SLMP is shown to enhance prelithiation and enable capacity matching between Si-CNT anodes and lithium nickel cobalt aluminum oxide (NCA) cathodes in full batteries with minimal added mass. The prelithiation approach enables high energy density NCA/Si-CNT batteries achieving >1000 cycles at 20% depth-of-discharge.

[Indexed for MEDLINE]

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