MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202411004775 A) filed by Council Of Scientific And Industrial Research, New Delhi, on Jan. 23, 2024, for 'an improved cathode flow-field structure for open cathode polymer electrolyte membrane fuel cell stack.'
Inventor(s) include Akhila Kumar Sahu; Harshal Agarwal; and Shikha Thapa.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "The present invention provides an improved cathode flow field structure for open cathode polymer electrolyte membrane fuel cell stack comprises a plurality of cross-sectional plates having air stream inlets (44) and air stream outlets (41). More particularly, the present invention relates to an improved cathode air flow field structure along with the optimized parametric conditions for OC-PEMFC operation that can achieve higher performance and stability. The cathode flow field plates have different cross-sections in the shapes of trapezoid, dome, boot, pentagon, and triangular. Further said plates comprise of multiple inlets (27) and outlets (30), the airflow strategical position along the airflow paths thereon through the inlet (27) and outlets (30). The improved different cross-sectional cathode flow field structure improves pressure differential across channels, early mass transfer loss, oxidant gas flow, uniform gas concentration, temperature distribution, water retention/removal, heat accumulation/ removal from the channel, and stability which enhances the performance of OC-PEMFC systems."
Disclaimer: Curated by HT Syndication.
