Direct Pre-lithiation of Electropolymerized Carbon Nanotubes for Enhanced Cycling Performance of Flexible Li-Ion Micro-Batteries

Autor:	Vinsensia Ade Sugiawati, Florence Vacandio, Neta Yitzhack, Yair Ein-Eli, Thierry Djenizian
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	carbon nanotubes polymer electrolyte li-ion micro-batteries flexible anode pre-lithiation Organic chemistry QD241-441
Zdroj:	Polymers, Vol 12, Iss 2, p 406 (2020)
Druh dokumentu:	article
ISSN:	2073-4360
DOI:	10.3390/polym12020406
Popis:	Carbon nanotubes (CNT) are used as anodes for flexible Li-ion micro-batteries. However, one of the major challenges in the growth of flexible micro-batteries with CNT as the anode is their immense capacity loss and a very low initial coulombic efficiency. In this study, we report the use of a facile direct pre-lithiation to suppress high irreversible capacity of the CNT electrodes in the first cycles. Pre-lithiated polymer-coated CNT anodes displayed good rate capabilities, studied up to 30 C and delivered high capacities of 850 mAh g−1 (313 μAh cm−2) at 1 C rate over 50 charge-discharge cycles.
Databáze:	Directory of Open Access Journals
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