Evoqua Water Technologies has patented a flow battery design with a rechargeable cell featuring an anion exchange membrane less than 100 µm thick and low diffusivity. The innovative method aims to enhance flow battery performance and storage of electric charge. GlobalData’s report on Evoqua Water Technologies 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 Evoqua Water Technologies, Hydrogen water generators was a key innovation area identified from patents. Evoqua Water Technologies's grant share as of February 2024 was 76%. Grant share is based on the ratio of number of grants to total number of patents.
Flow battery with thin anion exchange membrane for ion conductivity
A recently granted patent (Publication Number: US11929533B2) discloses a novel flow battery design that includes at least one rechargeable cell with an anolyte compartment holding a first electrolyte and a catholyte compartment holding a second electrolyte. An anion exchange membrane, made from a microporous substrate coated with a specific monomer, is positioned between the compartments to facilitate ion conduction. The membrane is fully cross-linked, has a thickness of less than 100 µm, and exhibits a steady state diffusivity of less than 0.4 ppm/hr/cm2 with respect to the cation species present in the electrolytes.
Furthermore, the patent details methods for using and facilitating the installation of the flow battery, emphasizing the importance of the unique anion exchange membrane in enhancing battery performance. The membrane's characteristics, such as thickness and diffusivity, play a crucial role in ensuring the battery's longevity and efficiency. Additionally, the patent outlines instructions for charging the flow battery, operating it continuously, and even connecting it to high voltage direct current (HVDC) transmission lines. Overall, the innovative flow battery design aims to provide efficient energy storage solutions for various applications, including compatibility with automobiles and HVDC transmission lines, showcasing its versatility and potential impact in the field of energy storage technologies.
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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.
