Solvothermal synthesis of CoMoO4 nanostructures for electrochemical applications


Metal molybdate families such as AMoO4 [A = Ni, Co, Cu, Mn] in transition metal series have received considerable great attention in energy storage and conversion applications. Among these metal molybdates, CoMoO4 is widely used in various industrial applications. CoMoO4 was prepared using solvothermal method. Monoclinic CoMoO4 was confirmed. Metal–oxygen (M–O) bonding, crystal defects, chemical bonding, surface morphology, particle size, and elemental composition were analyzed. The specific capacitance of prepared electrodes was estimated and obtained the high specific capacitance of 561 F/g, 768 F/g, and 1039 F/g, respectively. Long-term stability of CoMoO4 under ethanol solvent revealed the capacitance retention of about 96% even after 16 h. Hence, CoMoO4 nanostructures will be a probable electrode material for water-splitting applications.

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This work was supported by RUSA Phase 2 grant, UGC-SAP, DST-FIST, and DST-PURSE grants. This project was supported by Researchers Supporting Project Number (RSP-2020/7) King Saud University, Riyadh, Saudi Arabia.

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Correspondence to R. Yuvakkumar or G. Ravi or Dhayalan Velauthapillai.

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Rani, B.J., Swathi, S., Yuvakkumar, R. et al. Solvothermal synthesis of CoMoO4 nanostructures for electrochemical applications. J Mater Sci: Mater Electron (2021).

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