4.6 Article

A facile phase transformation method for the preparation of 3D flower-like β-Ni(OH)2/GO/CNTs composite with excellent supercapacitor performance

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 32, Pages 12692-12696

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta02221a

Keywords

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Funding

  1. Ministry of Science and Technology of China [2013CB932901, 2009CB930803]
  2. National Natural Science Foundation of China [11274066, 51172047, 50872145, 51102050, U1330118]
  3. Shanghai Municipal Education Commission
  4. Shanghai Education Development Foundation [09SG01]

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3D flower-like beta-Ni(OH)(2)/GO/CNTs composite was prepared via a facile phase transformation method with a high specific capacitance of similar to 1815 F g(-1) (nearly 96% of its theoretical pseudocapacitance) at 2 A g(-1) and a good cycling performance of similar to 97% capacitance retention after 2000 cycles at 10 A g(-1). The morphology of beta-Ni(OH)(2) undergoes successive changes that could be controlled by adjusting the reaction time.

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