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

Abstract : 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.
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Submitted on : Friday, May 29, 2020 - 12:04:25 PM
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Florence Vacandio. Direct Pre-lithiation of Electropolymerized Carbon Nanotubes for Enhanced Cycling Performance of Flexible Li-Ion Micro-Batteries. Polymers, MDPI, 2020, 12 (2), pp.406. ⟨10.3390/polym12020406⟩. ⟨hal-02649461⟩

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