Free-standing heterogeneous hybrid papers based on mesoporous γ-MnO2 particles and carbon nanotubes for lithium-ion battery anodes
2013
Abstract Free-standing heterogeneous hybrid papers based on mesoporous γ-MnO 2 particles and acid-treated single-walled carbon nanotubes (a-SWCNTs) for lithium-ion battery anodes are successfully prepared by simple vacuum filtration. The mesoporous γ-MnO 2 particles with high surface areas are well dispersed throughout these anodes by being bound in nanoporous a-SWCNT networks. Furthermore, these anodes exhibit a high electrical conductivity of 2.5 × 10 2 S cm −1 with high flexibility, which makes them substrate- and binder-free. For 50 wt% mesoporous γ-MnO 2 particle-loaded anodes, a high reversible capacity of 934 mA h g −1 (0.01–3.0 V) is maintained after 150 cycles.
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