Powercell Sweden has filed a patent for a fuel cell assembly with a unique design to prevent reactant leakage. The assembly includes flow field plates sandwiching a multilayer membrane electrode assembly, with bypass stopping elements to ensure efficient distribution of reactants. GlobalData’s report on Powercell Sweden gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Powercell Sweden AB - Company Profile

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According to GlobalData’s company profile on Powercell Sweden, Reformer integrated fuel cells was a key innovation area identified from patents. Powercell Sweden's grant share as of January 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.

Fuel cell assembly with bypass stopping element for reactant distribution

Source: United States Patent and Trademark Office (USPTO). Credit: Powercell Sweden AB

A recently filed patent (Publication Number: US20230420701A1) describes a fuel cell assembly that includes a multilayer membrane electrode assembly sandwiched between two flow field plates. This assembly features a unique design with a 3-layer membrane electrode assembly comprising two electrodes and a membrane separating them. The flow field plates have structures for distributing reactants over the electrodes, with sealing elements to prevent leakage. Additionally, bypass stopping elements are strategically placed to prevent reactant bypassing, ensuring efficient operation. The design also includes gas diffusion layers and subgaskets to further enhance performance and reliability.

Furthermore, the patent details various configurations for the bypass stopping elements, including discrete elements, continuous elements, and integral parts of other components like subgaskets or gas diffusion layers. The positioning and design of these elements play a crucial role in optimizing the fuel cell assembly's functionality. By preventing reactant bypassing and ensuring proper compression of the membrane electrode assembly, the bypass stopping elements contribute to the overall efficiency and longevity of the fuel cell assembly. This innovative approach to fuel cell design showcases a commitment to improving performance and reliability in energy storage and conversion technologies.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.