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Issue 89, 2015
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Direct growth of flower-like 3D MnO2 ultrathin nanosheets on carbon paper as efficient cathode catalyst for rechargeable Li–O2 batteries

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Abstract

Flower-like 3D MnO2 ultrathin nanosheets were synthesized by direct growth of MnO2 on carbon paper (CP) through a facile electro-deposition method. When applied as a self-supporting, binder-free cathode material for rechargeable non-aqueous lithium-oxygen batteries, the as-prepared MnO2/CP electrode exhibited comparable catalytic performance (discharge capacity of 5132 mA h g−1 at a current density of 500 mA g−1) and long cycle stability (up to 125 cycles with controlling capacity of 500 mA h g−1). The superior performance is proposed to be associated with the 3D nanoporous structures and abundant oxygen defects as well as the absence of side reactions related to carbon based conductive additives and binders.

Graphical abstract: Direct growth of flower-like 3D MnO2 ultrathin nanosheets on carbon paper as efficient cathode catalyst for rechargeable Li–O2 batteries

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Publication details

The article was received on 02 Jun 2015, accepted on 18 Aug 2015 and first published on 19 Aug 2015


Article type: Communication
DOI: 10.1039/C5RA15464B
Citation: RSC Adv., 2015,5, 72495-72499
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    Direct growth of flower-like 3D MnO2 ultrathin nanosheets on carbon paper as efficient cathode catalyst for rechargeable Li–O2 batteries

    H. Wang, J. Chen, S. Hu, X. Zhang, X. Fan, J. Du, Y. Huang and Q. Li, RSC Adv., 2015, 5, 72495
    DOI: 10.1039/C5RA15464B

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