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Har Ghar Tiranga Graphene oxide is extensively used in energy storage devices, polymer composites, desalination of water, conducting ink, aqueous lubrication, nano-coolant, additive for phase change materials, etc. Problem being addressed: The cost of commercially available graphene oxide is very high (Rs. 35,000 for 0.2 g) and thus it is very difficult to use it in the aforesaid areas. Therefore, scaled-up production of graphene oxide at reasonable price without compromising the quality is a challenging task. The developed technology demonstrates the production of graphene oxide starting from natural flake graphite (200 g/batch) without pre-treatment.
Production yield = 80% Thickness = 1-1.8 nm Number of layers: Few layer (3-4 layers) Dispersible in water and most of the polar organic solvents Oxygen content = 25-28%
Sulphuric acid is used for the oxidation of graphite. The un-reacted acid is stored in a tank, so, there is no environmental concern. Graphene oxide is not toxic and hazardous for the environment.
CSIR-CMERI scientist will demonstrate the graphene oxide production technology (200 g graphite oxidation/batch) at the site of the customer. CSIR-CMERI scientist will also help to buy the machinery/equipment, raw materials, glass ware etc are to be provided to for setting up the process plant.
Scaled-up production of graphene oxide at reasonable price without compromising the quality is a challenging task. The developed technology demonstrates the production of graphene oxide starting from natural flake graphite (200 g/batch) without pre-treatment.
