Polymeric nanocomposites and methods for their preparation and use

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 

3233/DEL/2012

Date Filed: 

17.10.2012

Patent Category: 

Overview: 

A method for the in-situ dispersion of the carbon micro-nanofibers within a polymeric nanocomposite material (PVA) for improving its mechanical strength, ionic conductivity, hydrophillicity, and thermal stability for the Li-ion battery separator material.

Key Features: 

  • A novel nanocomposite material consisting of activated carbon fibers (ACFs)/carbon nanofibres (CNFs)/ polyvinyl alcohol (PVA) is developed as a separator for lithium ion battery.
  • The tensile strength of the material increased three-times in comparison to that of PVA.
  • Drastically improves performance in battery separator applications.

Applications: 

  • ACF/CNF Composite membrane for fuel cell applications.
  • ACF/CNF reinforced membrane used for separation and purification.
  • Nano composite material used as a lithium and battery separator.
  • Reinforcement of Gel battery electrolyte with the hierarchical web of carbon micro and nano fibres for increasing battery life cycle.

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