229results about "Fuel cell shape/form" patented technology

An aircraft, such as a rotorcraft, may have at least one area designated to house at least one fuel cell and at least one aircraft structure that may translate, during a drop impact of the aircraft, into the area designated to house the fuel cell. At least one shaped fuel cell may be provided and deployed therein, in accordance with the present systems and methods. Each respective shaped fuel cell may define at least one respective through-voids defined through the respective shaped fuel cell, and / or at least one respective edge cavity defined along an edge of the shaped fuel cell, wherein the respective through-void and / or the respective edge cavity correspond to the respective aircraft structure that may translate, during the drop impact of the aircraft, into the area of the aircraft designated to house the respective fuel cell to receive and accommodate the respective structure during the drop impact.

To provide a fuel battery cell that can improve durability of a membrane electrode joined body, and a method for designing a fuel battery cell.SOLUTION: A fuel battery cell comprises: a membrane electrode joined body that generates power by using reaction gas; a pair of gas diffusion layers that sandwich the membrane electrode joined body; and a pair of separators 14 that sandwich the membrane electrode joined body and the pair of gas diffusion layers. The gas diffusion layer has a Young's modulus of 1800 MPa or more and a thickness of 0.12 mm or more and 0.25 mm or less. The separator 14 has a groove 29 that has a branch part 31 and forms a channel 28 for supplying the reaction gas to the membrane electrode joined body. A value obtained by dividing the diameter D of an inscribed circle 33 of the branch part 31 in the groove 29 by a groove width W of a general part 32 other than the branch part 31 in the groove 29 is 2.5 or less.SELECTED DRAWING: Figure 3

The invention relates to an electrochemical cell assembly (10) comprising an end plate (14, 18), a stack (20) comprising a plurality of cell units (22) that are stacked upon one another along a stacking direction (24), and an insulating plate (32) that is interposed between the end plate and the stack, wherein the cell units each comprise a periphery (52) and a central portion (54), wherein at least one cut-out (76) is provided in the insulating plate, said cut-out extending through the insulating plate along the stacking direction, and wherein at least one inset (78) is positioned in said cut-out such that, seen along the stacking direction, the inset and the central portion overlap each other, said inset being formed from a ceramic material.

A method for manufacturing a bipolar plate intended for mounting in an electrochemical device, the method comprising a step of stacking (E2), along a stacking axis (A), a first release film (4), a fibrous element (Q) comprising at least one non-woven carbon reinforcing film (2) and thermoplastic polymer (31), and a second release film (4), to form a stack (1); a step of pressurizing the stack (1) in the compression system (S); and, prior to the stacking step (E2), a step of adding electrically conductive particles (91) to the non-woven carbon reinforcing film (2) and / or the thermoplastic polymer (31) of the fibrous element (Q). Abstract figure: Figure 13

The invention provides a method for fabricating a Solid Oxide Fuel Cell (SOFC). A tubular solid oxide electrolyte body (20; 20') having a longitudinal axis (22), an inner surface (24) bounding a cavity (26) and an outer surface (28) is provided. A first slurry (40) is inserting into the cavity (26) and the body (20, 20') rotated about the longitudinal axis (22) to coat the inner surface (24) of the body (20, 20') to form a first electrode (48) on the inner surface (24). A second coating is applied to the outer surface (28) of the body (20, 20') to form a second electrode on the outer surface (28).

The invention relates to a polymer electrolyte fuel cell wherein a first reaction compartment and a second reaction compartment are separated from one another by two polymer electrolyte membrane layers. In this cell, the first and second reaction compartments are rolled up adjacently to one another to form a hollow cylinder, with the second reaction compartment being open and the first reaction compartment being gas-imperviously closed at the outer faces of the hollow cylinder. The first reaction compartment here is closed by the ends of the two polymer electrolyte membrane layers, said ends being gas-imperviously joined to one another. Arranged in the interior of the hollow cylinder is an inner housing which has at least one opening. The first reaction compartment is gas-imperviously joined to the inner housing in such a way that a gas can enter the first reaction compartment from the inner housing through the at least one opening. The hollow cylinder is surrounded by an outer housing which has at least one opening. The first reaction compartment is gas-imperviously joined to the outer housing in such a way that a gas can exit the first reaction compartment through the at least one opening ...

The invention relates to a flat tube type SOFC anode with gradient pores and a preparation method of the flat tube type SOFC anode, and belongs to the technical field of solid oxide fuel cells. Comprising an anode substrate, an anode diffusion layer and an anode functional layer which are sequentially arranged from bottom to top, wherein fuel pore channels with pore diameters of 1-1.5 mm are uniformly distributed on the anode substrate; the porosity of each layer of structure is different, so that a gradient pore anode structure is formed; the problem of low discharge power caused by too large gas mass transfer resistance due to too low porosity in a flat tube type solid oxide fuel cell due to single porosity is solved. In the preparation process, in order to better compound the three layers of anodes, a multi-platform-slow sintering procedure is adopted, and finally, the three-layer anode structure with gradient pores is successfully prepared.

To provide a fuel cell column capable of achieving a smaller temperature distribution within fuel cell stacks and within the column as a whole.SOLUTION: A fuel cell column 140 includes a plurality of fuel cell stacks 14, at least one fuel manifold 204 configured to provide fuel to the plurality of fuel cell stacks 14, and at least one heat sink insert 301 located between adjacent fuel cells of the plurality of fuel cell stacks.SELECTED DRAWING: Figure 2

The electrochemical cell device includes a cell, a support body, and a fixing member. The cell has a first end and extends from the first end in a first direction. The support body supports one end portion of the cell including the first end. The fixing member is located between the cell and the support body and is in contact with a first surface of the cell along the first direction and a second direction intersecting the first direction. The first surface includes a contact area in contact with the fixing member and a non-contact area not in contact with the fixing member. The contact area has a second end on the first end side. A length in the first direction from the second end to the non-contact area on a side opposite to the first end is larger at a second part located at an end portion in the second direction than at a first part located at a center portion in the second direction.

The invention discloses a connector for a flat tube solid oxide fuel cell and a preparation method thereof, belonging to the technical field of fuel cell materials. The preparation method comprises the following steps: (1) mixing ceramic material, nickel oxide, binder, plasticizer, polyethylene glycol, triethanolamine and anhydrous ethanol uniformly to obtain a spray slurry; (2) spraying the spray slurry obtained in step (1) on the surface of a substrate material and drying it, repeating the spraying and drying, and then sintering to obtain the connector. The invention can achieve controllable thickness of the connector by adjusting the slurry ratio and superimposing spraying and drying, and can achieve low-temperature sintering densification at 1350°C, which can greatly reduce losses and save costs in industrial production. The obtained connector has a dense surface without cracks, a tight interface, a uniform thickness, and no penetrating gas pores, and has the characteristics of high air tightness, high density, and high operating voltage.

An embodiment separator for a fuel cell includes a separator body having a plate shape and including a metal material on which a plurality of manifolds is provided to introduce or discharge reaction gas or cooling water and a molding gasket surrounding an inner edge of at least one manifold selected from among the plurality of manifolds provided on the separator body, the molding gasket being configured to prevent corrosion.

According to the present invention, an electrochemical cell device comprises a cell, a support, and a fixing material. The cell has a first end and extends in a first direction from the first end. The support supports one end part of the cell that includes the one end. The fixing material is positioned between the cell and the support and contacts a first surface of the cell that runs along the first direction and a second direction that intersects the first direction. The first surface includes a contact region that is contacted by the fixing material and a non-contact region that is not contacted by the fixing material. The contact region has a second end on the first end side. With respect to the length in the first direction from the second end to the non-contact region on the opposite side from the first end, a second section that is positioned at an end part in the second direction is longer than a first section that is positioned at a center part in the second direction.

Disclosed are devices, systems and methods for implantable 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.

A fuel cell includes a cell stack including a plurality of unit cells stacked in a first direction; a first end plate disposed on a first end of the cell stack; a second end plate disposed on a second end of the cell stack; a fastening bar fastened to at least one of the first end plate or the second end plate; and a housing coupled to the first and second end plates so as to surround the cell stack at a position outside the fastening bar. The cell stack includes a side portion having an accommodation groove formed therein by recessed portions included in the plurality of unit cells so as to extend in the first direction, and at least a portion of the fastening bar is disposed in the accommodation groove.

The fuel cell system includes at least a pair of cells (110a, 110b), each cell including a metal substrate (120a, 120b) having first and second sides and a porous region (124) providing fluid communication between the sides, and a planar cell chemistry layer (111, 112, 113) including a fuel electrode layer, an electrolyte layer, and an air electrode layer, and coated or deposited over and supported by the porous region (124) on a first side thereof, the metal substrate (120a, 120b) including a metal electrode layer, an electrolyte layer, and an air electrode layer. A metal-supported planar cell device (200) in which the metal substrates (120) are arranged in a stacked configuration with the cell chemistry layers (111, 112, 113) of the metal substrates (120) overlying one another such that both of their first sides or both of their second sides face inward in a spaced apart opposing relationship, whereby the inwardly facing sides define a common first fluid volume (140) for one of fuel or oxidant between the metal substrates (120).

A metal-supported planar cell arrangement (200) comprising at least one pair of cells (110a, 110b), each cell (110a, 110b) comprising a metal substrate (120a, 120b) having a first side and a second side and a porous region (124) providing fluid communication between the sides, a planar cell chemistry layer (111, 112, 113) comprising a fuel electrode, an electrolyte, and an air electrode layer, the fuel electrode, electrolyte, and air electrode layer being coated or deposited on and supported by the porous region (124) on the first side, the plurality of metal substrates (120) having their cell chemistry layers (111, 112, 113) arranged in a stack such that two first sides or two second sides face inwardly in a spaced, opposing relationship, the inwardly facing sides thereby defining a common first fluid volume (140) for one of fuel or oxidant.

The invention relates to an assembly (1) comprising a stack of a plurality of fuel cell cells, each comprising an anodic plate (10) and a cathodic plate (20), each comprising a reactive face and a cooling face. The reactive face is provided with raised and recessed areas forming a reactive circuit comprising a plurality of first cavities (51, 52). The cooling face forms a cooling circuit comprising a plurality of second cavities (55). Each plate (10, 20) has a third cavity (53, 54) for receiving a seal. Each plate (10, 20) is configured such that the average depth (P1, P2, P3, P4, P5) of all the cavities is equal. (Shorthand figure: Fig. 2)

The present disclosure relates to a battery energy storage container. The energy storage container has a cylindrical housing and a pair of end caps disposed on opposite ends of the cylindrical housing. A diaphragm is positioned between each end cap selected from the pair of end caps and the corresponding end of the cylindrical housing. In one version, the energy storage container is configured to be installed below the ground surface for geological thermal management of the energy storage container. Embodiments of the present invention further disclose various types of electrode retainers. The energy storage container is configured for use in electrochemical battery cells, Li-ion batteries, intercalation batteries, metal-air batteries, flow batteries, fuel cells, reversible fuel cells, and capacitors.

The invention relates to a method for producing a plate-shaped fuel cell component (6), in particular a bipolar plate, from an additive component thermoplastic material having good electrical and thermal conductivity, the plate-shaped fuel cell component being produced by means of an injection moulding device by means of an injection moulding technique, the injection molding device comprises at least one injection molding unit and at least one molding unit, and the molding unit is provided with a wall part surrounding a corresponding cavity. According to the invention, an efficient production of a plate-shaped fuel cell component is achieved in that a molten thermoplastic material and an additive component are injected as a molten mass under pressure by means of at least one injection-molding unit (2) into a cavity of a corresponding cavity (31) of at least one molding unit, which cavity remains unchanged corresponding to the geometry of the fuel cell component, and in that the at least one injection-molding unit (2) is pressed by means of the at least one injection-molding unit (2), and in that the at least one injection-molding unit (2) is pressed by means of the at least one injection-molding unit (2). The heat transfer by means of the wall (30) is matched to the thermal conductivity, the thermal capacity and the injection rate of the molten material in such a way that the molten material as the molding material (5) completely fills the corresponding cavity (31) before the temperature of the molten material is below the melting point thereof.

A collapsible fuel cell for an aircraft includes an inner textile support substrate having an outer surface including one or more textile crease lines forming a fold pattern and an outer shell layer conforming to the outer surface of the textile support substrate to form the fuel cell. The fuel cell is collapsible along the fold pattern formed by the one or more textile crease lines.

The present invention relates to an adhesive for a secondary battery, and more particularly to an adhesive for a secondary battery for attaching a frame and a current collector of a secondary battery, which can replace a gasket used in assembling a cell module of a secondary battery.

A solid oxide fuel cell or solid oxide electrolyzer includes a plurality of fuel cell layers stacked along a stacking axis. Each fuel cell layer including a stacked arrangement of elements including a cathode (28), an anode (24), an electrolyte (26) located between the anode and the cathode, a support layer (22) positioned at the anode opposite the electrolyte, and a separator plate (20) located at the support layer opposite the anode. The separator plate is configured to contact the cathode of an adjacent fuel cell layer of the plurality of fuel cell layers. The separator plate defines a plurality of anode flow channels configured to deliver a fuel therethrough and a plurality of cathode flow channels configured to deliver an air flow therethrough. The separator plate is formed from a bulk metallic glass material.

The invention relates to methods of assembly of an electrochemical cell unit as well as to electrochemical cell units. The invention also relates to a stack of cell units.

A cylindrical reactor for a flow battery includes a solid anode body with through-holes through which hollow membrane tubes extend. The hollow membrane tubes surround cathodic wires. A first electrolyte is pumped in from a first electrolyte tank between the cathodic wires and the hollow membrane tubes, while a second electrolyte is pumped in from a second electrolyte tank between the hollow membrane tubes and the surrounding portion of the solid anode body. Redox half reactions between the first electrolyte and the second electrolyte are thereby able to happen across the hollow membrane tubes.

A fuel cell (510) for an aircraft includes a textile support substrate (522) having one or more textile extensible fitting regions and an outer surface (524), and a shell layer (526) conforming to the outer surface (524) of the textile support substrate (522) to form the fuel cell (510). The shell layer (526) has one or more shell extensible fitting regions adjacent to the one or more textile extensible fitting regions. The one or more textile extensible fitting regions and the one or more shell extensible fitting regions form one or more fuel cell extensible fitting regions (512, 514) each configured for extensible motion.

Certain aspects of the present disclosure relate to a battery. The battery includes at least one couple of current collectors. The battery includes an organic fluid flow space and an oxygen-containing fluid flow space. The battery includes one or more membrane electrode assemblies (MEAs). Each MEA includes an oxygen electrode, where the oxygen electrode is configured to catalyze a redox reaction of the oxygen-containing fluid and an oxygen evolution reaction. Each MEA also includes an ion conducting membrane and / or a porous separator paper, where the membrane or separator separates the oxygen electrode from the organic fluid flow space. The battery includes positive electrode terminals electrically connected to at least one MEA and at least one or more negative electrode terminals, where the positive electrode terminal and the negative electrode terminal are configured to generate an electrical current in response to external electrical loads or to a voltage applied to across positive and negative electrode terminals in response to a charge step associated redox reaction.

The disclosure set forth relates to an electrochemical cell stack comprising a solid-state electrochemical cell (20), a conductive separator plate (30), and a sealing element (40). The separator plate comprises a relatively recessed support surface (32) for supporting the solid-state electrochemical cell, a contact surface (34) opposite the recessed support surface for contacting an adjacent solid-state electrochemical cell, a central portion (31), and a boundary portion (36) providing a relatively raised top (37) and upstanding sidewalls (38). The sealing element (40) extends between the raised top of the boundary portion and the opposing support surface (39) of the adjacent separator plate. The separation distance between the recessed support surface and the contact surface of the adjacent separator plate, defined by the combined height of the sealing element and the upstanding sidewalls, corresponds to the thickness of the solid-state electrochemical cell.

An electrochemical device suitable for use as both an electrolytic cell and a fuel cell has a housing (10); a central tubular electrode (11) provided with a plurality of through holes (13) and having a first electrical connector (6) connected to a power supply or an electrical load; a first gas diffusion layer or GDL (2); a catalyst coating film for the exchange of ionic species or CCM (3) wound on the first gas diffusion layer or GDL (2); and a second gas diffusion layer or electrode-GDL (4) wound on the catalyst coating film or CCM (3) and provided with a second electrical connector (5). The first gas diffusion layer or GDL (2), the catalyst coating film or CCM (3), and the second gas diffusion layer or electrode-GDL (4) are adapted to surround the central tubular electrode (11) at least 360 degrees.

A conductive member includes a base material and a covering part located on the base material and containing a first element. The base material contains chromium. The first element has a smaller value of first ionization energy and a smaller absolute value of free energy formation of oxide than chromium.