4.7 Article

Binary transition metal oxides (BTMO) (Co-Zn, Co-Cu) synthesis and high supercapacitor performance

Journal

JOURNAL OF ALLOYS AND COMPOUNDS
Volume 772, Issue -, Pages 359-365

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.09.067

Keywords

BTMO; Supercapacitor; Energy storage

Funding

  1. National Natural Science Foundation of China [21607013, 51602026]
  2. Special Fund for Basic Scientific Research of Central Colleges, Chang'an University [300102318108, 300102228203, 300102318106, 300102318402]
  3. Fund Project of Shaanxi Key Laboratory of Land Consolidation [2018-JC01]
  4. College Students' innovation and Entrepreneurship Project [201810710127]

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Binary transition metal oxides (BTMO) (Co-Zn, Co-Cu) on Ni foam are fabricated through a facile and cost efficient hydrothermal method. In the three-electrode system testing, CoO@ZnO shows the highest specific capacitance of 2.394 F/cm(2) at a current density of 5 mA/cm(2) as well as excellent cycling stability which remains 76.5% of initial capacitance after 1000 cycles. This study provides an important method for the synthesis of high performance BTMO for supercapacitors. (C) 2018 Elsevier B.V. All rights reserved.

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