Abstract
By a rational design and facile vacuum filtration, a flexible and free-standing LiFePO4/carbon nanotube/reduced graphene oxide film electrode is fabricated for lithium-ion batteries. The carbon nanotube and reduced graphene oxide substrates are favor of improving the conductivity of the electrode; meanwhile, the LiFePO4 particles can efficiently reduce aggregation between carbon nanotube and reduced graphene oxide. The resultant self-supporting LiFePO4/carbon nanotube/reduced graphene oxide electrode delivers excellent electrochemical performance beyond the metal-base electrode. After 100 cycles at 0.2 C, the capacity maintains 151 mAh g−1, nearly staying the same with initial value. Especially, at 10 C, the specific capacity still keeps 98 mAh g−1. Moreover, these findings in this work supply a means of manufacturing LiFePO4 electrode and urge the practical application of LiFePO4 in flexible facilities.
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This work was financially supported by The Open Fund Project from Southwest Petroleum University (KSZ18507).
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Zhang, X., Li, Y., Lin, Y. et al. A flexible LiFePO4/carbon nanotube/reduced graphene oxide film as self-supporting cathode electrode for lithium-ion battery. Ionics 26, 1537–1546 (2020). https://doi.org/10.1007/s11581-019-03328-3
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DOI: https://doi.org/10.1007/s11581-019-03328-3