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Here, to obtain improved electrochemical performance, sodium molybdate has been used as an additive to a 1 M Li2SO4 electrolyte for a symmetric supercapacitor (SSC) based on MoSe2 thin films deposited over stainless-steel current collectors as the electrode material. An SSC with MoSe2 both as anodic and cathodic electrodes was designed, and it was found that an SSC utilizing Na2MoO4 incorporated Li2SO4 electrolyte exhibits high capacitance values of 35.87 Fg−1 as compared to 18.3 Fg−1 with only Li2SO4. The fabricated symmetric device demonstrates 92% cyclic and capacitance retention with Na2MoO2-incorporated Li2SO4 electrolyte at 100 mV s−1 after 200 cyclic voltammetry (CV) cycles, as compared to 80% using Li2SO4 only. The enhanced electrochemical results show that MoO42− anions increase the overall capacitance and energy density of the fabricated MoSe2@SS SSC device.

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Synergistic Effects of Sodium Molybdate on MoSe2 Supercapacitor Performance for Enhanced Renewable Energy Applications

  • 章节

  • 发表日期：

    2026年

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  • Akshay Tomar,
  • Ramesh Chandra

摘要

Here, to obtain improved electrochemical performance, sodium molybdate has been used as an additive to a 1 M Li2SO4 electrolyte for a symmetric supercapacitor (SSC) based on MoSe2 thin films deposited over stainless-steel current collectors as the electrode material. An SSC with MoSe2 both as anodic and cathodic electrodes was designed, and it was found that an SSC utilizing Na2MoO4 incorporated Li2SO4 electrolyte exhibits high capacitance values of 35.87 Fg−1 as compared to 18.3 Fg−1 with only Li2SO4. The fabricated symmetric device demonstrates 92% cyclic and capacitance retention with Na2MoO2-incorporated Li2SO4 electrolyte at 100 mV s−1 after 200 cyclic voltammetry (CV) cycles, as compared to 80% using Li2SO4 only. The enhanced electrochemical results show that MoO42− anions increase the overall capacitance and energy density of the fabricated MoSe2@SS SSC device.