MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202622011311 A) filed by Pandit Deendayal Energy University, Gandhinagar, Gujarat, on Feb. 3, for 'method of synthesizing cuo/tio2/polyindole (ctpin) nano composite catalytic material for solar hydrogen generation in photovoltaic-electrochemical (pv-ec) coupled membrane less electrolyzer.'
Inventor(s) include Prakash Chandra; Brijesh Tripathi; Khyati Mistry; and Parvez Kaladiya.
The application for the patent was published on April 17, under issue no. 16/2026.
According to the abstract released by the Intellectual Property India: "Due to the depletion of the world's fossil-fuels and growing environmental pollution, hydrogen-based energy has attracted a lot of attention because of its clean nature. Although hydrogen is the most abundant element, it does not freely exist and the greatest challenge is the feasibility to produce hydrogen in a large amount. Our inventions objective is to produce hydrogen by using the energy from sunlight with chemical reactions in the presence of catalysts Membrane less electrolyzers offer an efficient and cost-effective alternative to conventional electrolyzers with physical membranes for hydrogen generation via water splitting. A challenge in their development is the need for durable nano composite electrode materials. Mixed metal oxide conducting polymer nano composites show potential due to their high surface area, catalytic activity, and stability in acidic and alkaline environments. This study synthesized CuO/TiO2/Polyindole (CTPIN) nano composites through a two-step process that involved the micro emulsion technique followed by oxidative polymerization of indole. The materials were deposited on nickel-strip electrodes and used as electrocatalysts for solar hydrogen generation via membrane less electrochemical water splitting. The TEM analysis confirmed the formation of ultra-small CuO/TiO2 and CTPIN nano catalysts. At an irradiation intensity of 320 W/m2 and under ambient working temperature, the solar to hydrogen conversion efficiency of CTPIN found to be 3.43%, This research marks a promising step towards the development of efficient and cost-effective electrocatalysts for hydrogen generation that are earth-abundant."
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