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Sutapa Ghosh - One of the best experts on this subject based on the ideXlab platform.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

Vincent L. Sprenkle - One of the best experts on this subject based on the ideXlab platform.

  • Batteries: An Advanced Na–FeCl2 ZEBRA Battery for Stationary Energy Storage Application (Adv. Energy Mater. 12/2015)
    Advanced Energy Materials, 2015
    Co-Authors: Vish V. Viswanathan, Kerry D Meinhardt, Mark H Engelhard, Vincent L. Sprenkle
    Abstract:

    Sodium-metal chloride batteries, ZEBRA, are considered as one of the most important electrochemical devices for stationary Energy Storage Applications because of its advantages of good cycle life, safety, and reliability. However, sodium-nickel chloride (Na-NiCl2) batteries, the most promising redox chemistry in ZEBRA batteries, still face great challenges for the practical Application due to its inevitable feature of using Ni cathode (high materials cost). In this work, a novel intermediate-temperature sodium-iron chloride (Na-FeCl2) battery using a molten sodium anode and Fe cathode is proposed and demonstrated. The first use of unique sulfur-based additives in Fe cathode enables Na-FeCl2 batteries can be assembled in the discharged state and operated at intermediate-temperature (

  • An Advanced Na-FeCl2 ZEBRA Battery for Stationary Energy Storage Application
    Advanced Energy Materials, 2015
    Co-Authors: Guosheng Li, Jin Y. Kim, Xiaochuan Lu, Kerry D Meinhardt, Mark H Engelhard, Vish V. Viswanathan, Vincent L. Sprenkle
    Abstract:

    Sodium-metal chloride batteries, ZEBRA, are considered one of the most important electrochemical devices for stationary Energy Storage Applications because of its advantages of good cycle life, safety, and reliability. However, sodium–nickel chloride (Na–NiCl2) batteries, the most promising redox chemistry in ZEBRA batteries, still face great challenges for the practical Application due to its inevitable feature of using Ni cathode (high materials cost). Here, a novel intermediate-temperature sodium–iron chloride (Na–FeCl2) battery using a molten sodium anode and Fe cathode is proposed and demonstrated. The first use of unique sulfur-based additives in Fe cathode enables Na–FeCl2 batteries can be assembled in the discharged state and operated at intermediate temperature (

Vittal Sharavath - One of the best experts on this subject based on the ideXlab platform.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

Suprabhat Sarkar - One of the best experts on this subject based on the ideXlab platform.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

  • One-pot hydrothermal synthesis of TiO2/graphene nanocomposite with simultaneous nitrogen-doping for Energy Storage Application
    Journal of Electroanalytical Chemistry, 2018
    Co-Authors: Vittal Sharavath, Suprabhat Sarkar, Sutapa Ghosh
    Abstract:

    Abstract We have synthesized the titanium dioxide (TiO2)/graphene nanocomposite with simultaneous N-doping (N-TiO2/NG) by one-pot hydrothermal synthesis for Energy Storage Application. X-Ray Diffraction (XRD) patterns, Fourier Transform InfraRed (FTIR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM) and Raman spectroscopy was done to evaluate the morphology, crystalline structure and functionality of the material. The surface elemental composition and bonding was analysed by X-ray Photoelectron Spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS) and EDS mapping. The N-TiO2/NG electrode showed a specific capacitance of 205.1 F g−1 at 1 mV s−1, with good cyclic stability of 78.8%, after 5000 continuous charge/discharge cycle at 1 A g−1, whereas TiO2/rGO showed only 67% of retention, which shows its potential for Energy Storage Application.

Zhimin Dang - One of the best experts on this subject based on the ideXlab platform.

  • enhanced breakdown strength of poly vinylidene fluoride utilizing rubber nanoparticles for Energy Storage Application
    Applied Physics Letters, 2016
    Co-Authors: Mingsheng Zheng, Junwei Zha, Yu Yang, Peng Han, Zhimin Dang
    Abstract:

    A kind of rubber nanoparticles, methyl methacrylate-butadiene-styrene (MBS), was applied into poly(vinylidene fluoride) (PVDF) matrix to fabricate MBS/PVDF composite films. Uniform dispersion and good compatibility of MBS in the matrix were observed. We found that the entanglement state between MBS nanoparticles and random chains of PVDF could diminish gaps in the matrix, which is helpful for high breakdown strength. The composite film with 12 vol. % MBS showed the maximum breakdown strength of 535 MV/m and the high Energy density of 9.85 J/cm3, which were 1.7 times and about 2.2 times higher than pure PVDF film, respectively.