Carbon-wrapped MnO nanodendrites interspersed on reduced graphene oxide sheets as anode materials for lithium-ion batteries
作者： Boli Liu , Dan Li , Zhengjiao Liu , Lili Gu , Wenhe Xie
DOI: 10.1016/J.APSUSC.2016.10.108
关键词:
摘要: Abstract Carbon-wrapped MnO nanodendrites interspersed on reduced graphene oxide sheets (C-MnO/rGO) were prepared nickel foam by a facile vacuum filtration and subsequent thermal treatment. As binder-free anode of lithium-ion battery, the nanodendritic structure C-MnO accommodates huge volume expansion shortens diffusion length for lithium ion electron, rGO prevent nanodendites from aggregation offer good electronic conduction. result, electrode with such novel architecture delivers superior electrochemical properties including high reversible capacity, excellent rate capability cycle stability. Moreover, change to nanoparticles wrapped in during lithiation/delithiation process, which is more beneficial microstructure further increase specific capacity life electrode.
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