Method and system for providing an improved fitting for a flexible fuel cell

    公开(公告)号:US11581550B1

    公开(公告)日:2023-02-14

    申请号:US17528499

    申请日:2021-11-17

    发明人: Matthew Whipple

    IPC分类号: H01M8/00

    摘要: A method and system provide a fitting system for a flexible fuel cell of an aircraft. The fitting system may include a flexible fuel cell and a fitting. The fitting may have a peripheral flange with a series of slots spaced about the flange. A series of fabric strips may be threaded into the slots of the fitting and one or more adhesives may couple the fabric strips to the fuel cell. The fabric strips may extend out around the periphery of the fitting to provide a uniform contact surface area with the fuel cell. The fabric strips may be separated by fuel cell material. The fabric strips may be made from one or more materials for enclosing or holding fuel. The fitting may further include threaded holes wherein the threaded holes may receive fasteners to couple the fitting to the fuel equipment of an aircraft.

    Selectively rotated flow field for thermal management in a fuel cell stack

    公开(公告)号:US11335919B2

    公开(公告)日:2022-05-17

    申请号:US16721393

    申请日:2019-12-19

    摘要: An electrochemical cell stack comprises a plurality of electrochemical cell units, each comprising a cathode, an anode, and an electrolyte, and also comprises a plurality of interconnects. An interconnect is disposed between adjacent electrochemical cell units and defines a longitudinal channel having circumferential corrugations defined therearound. A fuel channel is defined between each anode and a respective adjacent interconnect, the fuel channel having fuel inlet and outlet. An oxidant channel is defined between each cathode and a respective adjacent interconnect, the oxidant channel having an oxidant inlet and outlet. The plurality of electrochemical cell units and interconnects include a first electrochemical cell unit, a first interconnect adjacent the first electrochemical cell unit, a second electrochemical cell unit adjacent the first interconnect, and a second interconnect adjacent the second electrochemical cell unit. The second interconnect is rotationally offset from the first interconnect about a longitudinal axis of the fuel cell stack.

    IMPLANTABLE, BIOFUEL CELLS FOR SELF-CHARGING MEDICAL DEVICES

    公开(公告)号:US20220008737A1

    公开(公告)日:2022-01-13

    申请号:US17293897

    申请日:2019-11-14

    摘要: Disclosed are devices, systems and methods for implantable a biofuel cells. In some aspects, a biofuel cell device for extracting energy from a biological fluid includes a substrate including two compartments each with one or more openings; an anode assembly disposed in the substrate and including an anode electrode and functionalization material to facilitate an oxidative process that releases electrons captured at the anode electrode; and a cathode assembly disposed in the substrate separated from the anode assembly and including a catalytic material facilitate a chemical reduction process such that the biofuel cell device extracts electrical energy from the substance in the biological fluid.

    Energy-converting fuel cell or electrolyzer

    公开(公告)号:US11183705B2

    公开(公告)日:2021-11-23

    申请号:US16307515

    申请日:2017-06-08

    摘要: The invention relates to a device (1) for Converting chemical energy into electrical energy, or electrical energy into chemical energy, having at least one electrochemically active, planar cell (2) that is held securely between coaxial annular disks (10a, 10b, 10c, 10d) of an electrically insulating support frame (10), through which a supply structure with Channels (22, 23, 13, 33) for process media extends to the cell (2). A free spatial region (8a, 8b) is present on either side of the cell (2) in the axial direction, which region is bounded in the radial direction by at least one of the annular disks (10a, 10b). The spatial regions (8a, 8b) are open toward a pressure Chamber (5) via at least one passage (42a, 42b) through the corresponding annular disk (10a, 10b). When the device (1) is in Operation, the pressure Chamber (5) is filled with a pressurized medium, as a consequence of which the cells are compressed. In this manner, the device (1) according to the invention combines the advantages of a conventional Stack of cells (2, 2′) with a hydraulic or pneumatic compression.