Plug Power has been granted a patent for a method and system for electrochemically compressing hydrogen. The system includes a membrane electrode assembly with a polymer electrolyte membrane, an anode, a cathode, gas diffusion media, and a water management device for delivering water to the anode or cathode. GlobalData’s report on Plug Power 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 Plug Power, Reformer integrated fuel cells was a key innovation area identified from patents. Plug Power's grant share as of January 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Electrochemical device for compressing hydrogen gas
The granted patent (Publication Number: US11883779B2) describes an electrochemical device that includes a polymer electrolyte membrane with an anode and a cathode attached to its opposing faces. A gas diffusion medium allows gas flow, and a water management device, which is electrically non-conductive, permeable to liquids, and impermeable to gases, directly contacts the anode or cathode to deliver water. The device can be used as an electrochemical hydrogen compressor and includes various configurations of components such as anodic gas diffusion medium, solid polymer electrolyte, and separators to optimize its functionality.
Furthermore, the patent details different embodiments of the water management device, including variations in materials like polyethylene, polystyrene, polysulfone, and more. The device's design features an undulating shape for the water management device, which extends through the gas diffusion medium to ensure efficient water delivery to the anode or cathode. The patent also highlights the use of multiple portions within the water management device, spaced apart from the anode or cathode, to enhance its performance. Overall, the electrochemical device's unique construction and components aim to improve water management within the system, ultimately enhancing its operational efficiency and effectiveness in various applications.
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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.
