Hyzon Motors has been granted a patent for a bipolar plate assembly that includes a first frame member, a second frame member, and a membrane electrode assembly. The design ensures a secure seal between the anode plate and cathode plate, enhancing the efficiency of the assembly. GlobalData’s report on Hyzon Motors gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Hyzon Motors, Hydrogen fuel cells was a key innovation area identified from patents. Hyzon Motors's grant share as of January 2024 was 23%. Grant share is based on the ratio of number of grants to total number of patents.

Bipolar plate assembly for fuel cells

Source: United States Patent and Trademark Office (USPTO). Credit: Hyzon Motors Inc

A recently granted patent (Publication Number: US11888186B2) discloses a novel bipolar plate assembly designed for use in fuel cells. The assembly comprises two frame members, each with specific features such as side protuberances and recesses, and a bipolar plate consisting of an anode plate and a cathode plate. A membrane electrode assembly, including a proton exchange membrane, is positioned between the anode and cathode plates. The unique design allows for the deformation of the plates by the frame members, creating a secure seal between them. The frame members are made of plastic and are electrically nonconductive, ensuring safe operation within the fuel cell system.

Furthermore, the patent details various configurations and additional components of the bipolar plate assembly, such as headers and coolant channels, to optimize performance and efficiency. The method of assembling the bipolar plate assembly involves deforming the plates into the recesses of the frame members to create a tight seal. This innovative design aims to enhance the overall functionality and longevity of fuel cells by improving the sealing mechanism between the components. The inclusion of specific features like side protuberances and recesses allows for a secure and efficient assembly process, ensuring the proper functioning of the fuel cell system.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.