Nanoparticle Decorated Ultrathin Porous Nanosheets as Hierarchical Co3O4 Nanostructures for Lithium Ion Battery Anode Materials

Jawayria Mujtaba, Hongyu Sun, Guoyong Huang, Kristian Mølhave, Yanguo Liu, Yanyan Zhao, Xun Wang, Shengming Xu, Jing Zhu

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    We report a facile synthesis of a novel cobalt oxide (Co3O4) hierarchical nanostructure, in which crystalline core-amorphous shell Co3O4 nanoparticles with a bimodal size distribution are uniformly dispersed on ultrathin Co3O4 nanosheets. When tested as anode materials for lithium ion batteries, the as-prepared Co3O4 hierarchical electrodes delivered high lithium storage properties comparing to the other Co3O4 nanostructures, including a high reversible capacity of 1053.1 mAhg-1 after 50 cycles at a current density of 0.2 C (1 C = 890 mAg-1), good cycling stability and rate capability.
    Original languageEnglish
    JournalScientific Reports
    Pages (from-to)20592
    Number of pages8
    Publication statusPublished - 2016

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