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Issue 34, 2015
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Engineering 2D multi-layer graphene-like Co3O4 thin sheets with vertically aligned nanosheets as basic building units for advanced pseudocapacitor materials

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Abstract

Olivaceous two-dimensional (2D) multi-layer graphene-like Co3O4 thin sheets (CQU-Chen-Co-O-1) with vertically aligned nanosheets as basic building units were first prepared on a large scale by direct hydrothermal decomposition of a mixed aqueous solution of cobalt(II) nitrate and acetic acid without the assistance of any template or surfactant. The resulting products exhibited excellent pseudocapacitive performance with a high specific capacitance of 1752 and 1862 F g−1 at the current density of 5 mV s−1 and 1 A g−1, respectively, as well as good rate capability (63.64% capacitance surplus) and high cycling performance (99.5% surplus after 2000 cycles).

Graphical abstract: Engineering 2D multi-layer graphene-like Co3O4 thin sheets with vertically aligned nanosheets as basic building units for advanced pseudocapacitor materials

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Publication details

The article was received on 14 Jul 2015, accepted on 28 Jul 2015 and first published on 28 Jul 2015


Article type: Communication
DOI: 10.1039/C5TA05305F
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. A, 2015,3, 17525-17533
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    Engineering 2D multi-layer graphene-like Co3O4 thin sheets with vertically aligned nanosheets as basic building units for advanced pseudocapacitor materials

    L. Xuan, L. Chen, Q. Yang, W. Chen, X. Hou, Y. Jiang, Q. Zhang and Y. Yuan, J. Mater. Chem. A, 2015, 3, 17525
    DOI: 10.1039/C5TA05305F

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