Jie Fu, Heng-yan Zhao, Jie-run Wang, Yu Shen, and Ming Liu, Preparation and electrochemical performance of double perovskite La2CoMnO6 nanofibers, Int. J. Miner. Metall. Mater., 25(2018), No. 8, pp. 950-956. https://doi.org/10.1007/s12613-018-1644-1
Cite this article as:
Jie Fu, Heng-yan Zhao, Jie-run Wang, Yu Shen, and Ming Liu, Preparation and electrochemical performance of double perovskite La2CoMnO6 nanofibers, Int. J. Miner. Metall. Mater., 25(2018), No. 8, pp. 950-956. https://doi.org/10.1007/s12613-018-1644-1
Research Article

Preparation and electrochemical performance of double perovskite La2CoMnO6 nanofibers

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  • Corresponding author:

    Jie Fu    E-mail: dicpfj@126.com

  • Received: 25 August 2017Revised: 8 April 2018Accepted: 13 April 2018
  • Through electrospinning, La2CoMnO6 nanofibers were prepared from a polyvinylpyrrolidone/lanthanum nitrate–cobalt acetate–manganese acetate (PVP/LCM) precursor and were used as electrode materials. The morphologies and structures of the samples were characterized by field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Brunauer-Emmett-Teller (BET) specific surface area analysis. The results show that the prepared La2CoMnO6 nanofibers are stable, one-dimensional structures formed from interconnected La2CoMnO6 nanoparticles with a diamond-like crystal structure. The specific surface area of the fibers is 79.407 m2·g-1. Electrochemical performance tests with a three-electrode system reveal the specific capacitance of the La2CoMnO6 nanofibers as 109.7 F·g-1 at a current density of 0.5 A·g-1. After 1000 charge-discharge cycles at a current density of 1 A·g-1, the specific capacitance maintains 90.9% of its initial value, demonstrating a promising performance of the constraint capacitance and good cyclic stability.
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