© 2019, Ramasubramonian Deivanayagam


Doctoral researcher with 5+ years of experience in developing materials for rechargeable lithium-ion, sodium-ion, and magnesium-ion batteries, and evaluating their performance in lab scale; Currently focusing on post-lithium-ion battery systems for the Ph.D. thesis.

Authored/co-authored multiple peer-reviewed publications as a part of Master's and Ph.D. theses' research. Co-inventor in an Indian Patent for developing a high-performance sodium-ion battery cathode material. Undertook research internships in various realms of experimental physics and materials science at national labs & institutes across India during the Master's degree program.

Experimental Skills

  • Battery Analysis:

    • Coin-cell assembly and testing

    • Performance evaluation in potentiostat/galvanostat and battery cyclers

  • Materials Synthesis: 

    • Polymer blends & nanocomposites for electrolyte applications

    • Inorganic materials through sol-gel & hydrothermal methods for anode/cathode applications

    • Carbon nanotubes and carbon composites through Chemical Vapor Deposition (CVD)

  • Characterization Techniques:

    • Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX) Analysis, Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), Raman Spectroscopy, X-ray Photoelectron Spectroscopy (XPS), Fourier-Transform Infrared Spectroscopy (FTIR), BET surface/pore analysis.

Research Interests

  • Energy Storage Devices

    • Batteries:  Lithium-ion, and post-lithium-ion systems

  • Materials Synthesis & Device Fabrication

    • Synthesis of nanomaterials and inorganic materials for application as anodes/cathodes 

    • Synthesis of carbon nanotubes/carbon composites through CVD

    • Fabrication of 3D nano-architectures for battery electrodes 

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