| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429468000 | Specified material or component between adjacent cells | 46 |
| 20100227244 | MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK WITH THE SAME - A membrane-electrode assembly (MEA) for a fuel cell includes a fuel cell electrolyte membrane, an anode disposed at a first side of the electrolyte membrane, and a cathode disposed at a second side of the electrolyte membrane, wherein the cathode has a thickness and an area, the cathode area extending in a plane substantially parallel to a major surface of the electrolyte membrane, the cathode area includes a central area and a peripheral area, the peripheral area extending to lateral edges of the cathode, the central area includes hydrophilic portions and hydrophobic portions, the peripheral area includes hydrophilic portions and hydrophobic portions, and the central area is more hydrophobic than the peripheral area. | 09-09-2010 |
| 20100239940 | System and Method for Manufacturing Fuel Cell Stacks - A method of manufacturing a fuel cell stack is provided. The method provides forming an inspectable preassembly of multiple fuel cell assemblies that may be termed a pseudostack. Each fuel cell in the pseudostack has permanent electrical interconnections and sealing connections on only one of the two electrodes, namely an anode layer or a cathode layer. For example, an anode interconnect may be firmly attached to the anode layer by means of a bonding agent and a sealing agent used to seal passages on the anode layer of the fuel cell. Alternatively, seals and permanent electrical connections may be made on the cathode layer of the fuel cell, and not on the anode layer. | 09-23-2010 |
| 20110008702 | INSULATING LAYER FOR A FUEL CELL ASSEMBLY - A fuel cell assembly is disclosed, the fuel cell assembly including a pair of terminal plates, one terminal plate disposed at each end of the fuel cell assembly, a fuel cell disposed between a pair of end fuel cells and the terminal plates, and a thermally insulating, electrically conductive layer formed between the fuel cell and one of the terminal plates adapted to mitigate thermal losses from the end plate, and fluid condensation and ice formation in an end fuel cell. The end fuel cells of the fuel cell assembly have a membrane and/or a cathode having a thickness greater than an average thickness of a membrane and/or a cathode disposed in the fuel cell that may be used in conjunction with, or instead of, the insulating layer to further mitigate thermal losses from the end plate, and fluid condensation and ice formation in the end fuel cells. | 01-13-2011 |
| 20110033770 | FUEL CELL STACK HAVING SINGLE BODY SUPPORT - Disclosed is a fuel cell stack having a single body support. The fuel cell stack includes a plurality of single body fuel cells each including a single body support having a plurality of cylindrical supports and a connector for connecting the cylindrical supports in parallel, a unit cell having a cathode layer, an electrolyte layer and an anode layer sequentially formed on an outer surface of the single body support and a connection member protruding outward from the cathode layer on one side of an outer surface of the cathode layer and spaced apart from the anode layer, and a plurality of connection plates which are alternately stacked with the single body fuel cells and in which one surface of the connection plates is in contact with the anode layer and the other surface thereof is in contact with the connection member, wherein the connection plates are made of metal to thus obviate a need for an additional current collector and are used to collect current. | 02-10-2011 |
| 20110165494 | FUEL CELL SEAL - An exemplary fuel cell seal assembly includes a first layer, a second layer; and a third layer that limits movement of hydrogen, oxygen, or both between the first layer and the second layer within a fuel cell. | 07-07-2011 |
| 20110223516 | HIGH-TEMPERATURE FUEL CELL STACK, AND PRODUCTION THEREOF - A cassette for a high-temperature fuel cell stack, comprising at least one fuel cell including an anode, a cathode, and an electrolyte, and a metal cell frame which surrounds the fuel cell peripherally, wherein the metal cell frame has two sections, these being an inner thin compensating frame that contacts the fuel cell and a thicker, rigid outer frame which is provided for contacting the interconnector. The inner compensating frame comprises a peripheral bead at room temperature, which entirely disappears at temperatures between 980° C. and 1100° C., as a result of the prevailing stresses. The bead has special relief functions. It is significant that this special function of the formed bead is exclusively achieved by way of the warping in the compensating metal sheet or the compensating film, and is formed solely by way of the joining sequence applied, which is to say only in combination with the joining process employed. In contrast, a component that already has a bead prior to the joining process would also be able to compensate for stresses, but not to the same extent as a bead produced using this joining process. | 09-15-2011 |
| 20110244355 | FUEL CELL STACK COMPRESSION ENCLOSURE APPARATUS - A fuel cell system is provided including a fuel cell stack including at least one fuel cell, a first compression plate disposed adjacent the fuel cell stack, a second compression plate disposed adjacent the fuel cell stack, and a compression enclosure apparatus. The compression enclosure apparatus comprises a unitary main body having first and second fastening points and an intermediate portion, wherein the first fastening point and the second fastening point are coupled to the first compression plate and the intermediate portion is disposed adjacent the second compression plate. The fuel cell system minimizes a number of components required to retain compression of the fuel cell stack, minimizes a mass of the fuel cell system, and simplifies a design of the fuel cell system. Also provided is a method for assembling the fuel cell system. | 10-06-2011 |
| 20110250520 | VARIABLE LOAD FUEL CELL - Described herein are embodiments directed to fixtures for mounting fuel cells, the fixtures comprising at least one internal frame member; a first endplate assembly comprising a first seal frame, and a first active area compression plate, and a second endplate assembly; wherein the internal frame member is located between the first endplate assembly and the second endplate assembly. Also described are methods of testing a fuel cell. | 10-13-2011 |
| 20110262829 | ELECTROFORMED BIPOLAR PLATES FOR FUEL CELLS - A bipolar plate assembly for a fuel cell is provided. The bipolar plate assembly includes a first electroformed unipolar plate disposed adjacent a second electroformed unipolar plate. The first and second unipolar plates are bonded by a plurality of localized electrically and thermally conductive plugs by electroplated material deposited within apertures formed in the substrates onto which the unipolar plates are electroformed. A method for forming the bipolar plate assembly is also described. | 10-27-2011 |
| 20110275002 | INTERCONNECTOR ARRANGEMENT FOR A FUEL CELL STACK - The invention relates to an interconnector arrangement for a fuel cell stack, which can be brought into electrical contact with at least one membrane electrode assembly and which is arranged to separate a cathode flow field of the fuel cell stack from an anode flow field of the fuel cell stack. The invention is characterized in that the interconnector arrangement comprises a hollow space separated from the anode flow field and from the cathode flow field such that a flow of gas through the hollow space may not be more than five percent of flow-off gas through the cathode flow field or the anode flow field. The invention also relates to a fuel cell stack and to a method for manufacturing an interconnector arrangement. | 11-10-2011 |
| 20120040267 | Solid oxide fuel cell including a coupling structure - A solid oxide fuel cell having a coupling structure, the solid oxide fuel cell including a plurality of cells, each cell having a cell cap at an end thereof; and the coupling structure, the coupling structure connecting the plurality of cells, wherein the coupling structure includes a connector, the connector including an insulating portion at a center thereof, and coupling portions adjacent to the insulating portion at respective sides of the insulating portion and coupled to the cell caps. | 02-16-2012 |
| 20120064428 | SOLID OXIDE FUEL CELL MODULE - Disclosed herein is a solid oxide fuel cell module. The solid oxide fuel cell module according to the present invention includes: a plurality of unit cells each formed by laminating an electrolyte and a cathode in this order on an outer circumferential surface of an anode support formed in a tubular shape; and one or more metal foam connection plates each formed in a plate shape having a predetermined thickness, the metal foam connection plate having grooves formed on one surface thereof in a thickness direction such that the unit cells are respectively received in the grooves. The present invention need not perform a complicated wiring process, unlike the prior art, by employing metal foam connection plates to collect current, thereby simplifying the manufacturing process and reducing the manufacturing costs. | 03-15-2012 |
| 20120107716 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell includes two or more power generating elements each having a cathode, an anode, and an electrolyte layer placed between the cathode and the anode; an interconnector electrically connecting the power generating elements and containing a chromite-based material; and a sealing portion provided between the electrolyte layer and the interconnector and not containing either Ni or ZrO | 05-03-2012 |
| 20120202133 | FUEL CELL SEPARATOR MATERIAL, AND FUEL CELL STACK USING THE SAME - A fuel cell separator material, comprising a metal base and an Au plated layer formed on the surface of the metal base, wherein the Au plated layer has a thickness of 2 to 20 nm and arithmetic mean deviation of the profile (Ra) of 0.5 to 1.5 nm measured by an atomic force microscope within a crystal grain of the metal base. | 08-09-2012 |
| 20120315566 | ELECTRICAL ENERGY UNIT AND SPACER - The invention relates to an electrical energy unit ( | 12-13-2012 |
| 20120321982 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 12-20-2012 |
| 20120321983 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 12-20-2012 |
| 20120321984 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 12-20-2012 |
| 20130040220 | OXIDATION-RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INTERCONNECTOR USING THE FERRITIC STAINLESS STEEL - An oxidation-resistant ferritic stainless steel comprising: a ferritic stainless steel comprising Cr, wherein a {110} grain orientation fraction of a surface of the ferritic stainless steel as measured using electron back scattered diffraction pattern (EBSD) is about 5% or more; and a chromium oxide layer formed on the surface of the ferritic stainless steel is provided. | 02-14-2013 |
| 20130045435 | SOLID OXIDE FUEL CELL STACK - A solid oxide fuel cell stack includes a cell array in which M interconnector unit solid oxide fuel cells are connected in parallel to form a bundle, and N bundles are connected in series; a first plate-shaped current collecting member connected to a first bundle of the N bundles, the first current collecting member including a first terminal, and a second plate-shaped current collecting member connected to an N | 02-21-2013 |
| 20130071770 | HIGH-TEMPERATURE STRUCTURAL MATERIAL, STRUCTURAL BODY FOR SOLID ELECTROLYTE FUEL CELL, AND SOLID ELECTROLYTE FUEL CELL - A high-temperature structural material which not only has a coefficient of thermal expansion close to the coefficient of thermal expansion of an electrolyte material, but also undergoes no decrease in mechanical strength even in a reducing atmosphere, and can be sintered at relatively low temperatures just by adding a predetermined sintering aid, a structural body for a solid electrolyte fuel cell, which is formed with the use of the high-temperature structural material, and a solid electrolyte fuel cell including the structural body. The high-temperature structural material contains strontium titanate and aluminum, wherein the aluminum is in an amount of 10 parts by mol or more and 60 parts by mol or less with respect to 100 parts by mol of the strontium titanate. | 03-21-2013 |
| 20130122393 | FUEL CELL SYSTEM WITH INTERCONNECT - In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; an interconnect configured to conduct a flow of electrons from the first anode to the second cathode; and a chemical barrier. The chemical barrier may be configured to prevent or reduce material migration between the interconnect and at least one component (e.g., an anode) in electrical communication with the interconnect, where the chemical barrier includes doped strontium titanate. | 05-16-2013 |
| 20130143141 | OXIDATION RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE STEEL, AND FUEL CELL INTERCONNECT USING THE STEEL - An oxidation-resistant ferritic stainless steel including a ferritic stainless steel base material, and a Cu-containing spinel-structured oxide. | 06-06-2013 |
| 20130177831 | SOLID OXIDE FUEL CELL INTERCONNECTS INCLUDING A CERAMIC INTERCONNECT MATERIAL AND PARTIALLY STABILIZED ZIRCONIA - An interconnect of a solid oxide fuel cell article is disclosed. The interconnect is disposed between a first electrode and a second electrode of the solid oxide fuel cell article. The interconnect comprises a first phase including a ceramic interconnect material and a second phase including partially stabilized zirconia. The partially stabilized zirconia may be in a range of between about 0.1 vol % and about 70 vol % of the total volume of the interconnect. | 07-11-2013 |
| 20130209911 | CONNECTOR AND FUEL CELL - A connector is connected with a connector joint structure formed in separators in a fuel cell. The connector has: a connector casing; a terminal element that is provided in the connector casing and is configured to be in contact with an edge side of the separator and to be elastically deformed in an insertion direction of the connector that is orthogonal to a stacking direction of the separators, when the connector is connected with the connector joint structure; and an engagement element that is formed in the connector casing and is configured to engage with the connector joint structure and restrict motion of the connector in the insertion direction when the connector is connected with the connector joint structure. | 08-15-2013 |
| 20130216931 | FUEL CELL COATING - An example fuel cell stack component includes a metallic layer applied to the component and an oxide layer applied to the metallic layer. The oxide layer includes a chemical component that is not in the metallic layer. | 08-22-2013 |
| 20130337363 | FUEL CELL COMPONENT WITH EMBEDDED POWER CONNECTOR - An exemplary fuel cell component includes a plate comprising an electrically conductive material. An electrical connector includes a first portion embedded in the plate. A second portion of the electrical connector extends from the plate. The second portion is configured to make an electrically conductive connection with another device. | 12-19-2013 |
| 20140030626 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell (SOFC) includes a plurality of cylindrical unit cells and a current collecting member. Each unit cell has a first electrode, a second electrode provided to an outside of the second electrode, and an electrolyte interposed between the first and second electrodes. The current collecting member electrically connects the unit cells. In the SOFC, the current collecting member is composed of a plurality of layers, and the layers have different voids from one another. | 01-30-2014 |
| 20140065511 | STRIPS FOR LINKING AN ELECTROCHEMICAL CONVERTER'S ANODES AND CATHODES AND CONVERTER COMPRISING SAME - A strip for linking anodes and cathodes of an electrochemical converter is made from a metallized porous substrate including a hydrophobic coating, at least in areas in contact with the anodes or cathodes. | 03-06-2014 |
| 20140113212 | Fuel Cell Systems and Related Arrangements for Limiting Relative Motion Between Fuel Cells - Fuel cell systems ( | 04-24-2014 |
| 20140120449 | FUEL CELL PLATE AND STACK OF CELLS COMPRISING SUCH A PLATE - Fuel cell plate, the reactive face of the plate being provided with reliefs and hollows forming at least one circulation channel for a reagent, the at least one circulation channel for a reagent having an inlet communicating with a reagent distribution orifice formed through the plate, the plate also comprising a reagent inlet collector orifice that is distinct from the reagent distribution orifice, the reagent inlet collector orifice being provided to supply reagent to the inlet of at least one channel via a passage putting in fluid relationship the inlet collector orifice and the reagent distribution orifice, the inlet collector orifice extending longitudinally in the plane of the plate in a first longitudinal direction between a first bottom end and a second top end, the distribution orifice extending longitudinally in the plane of the plate in a second longitudinal direction between a first bottom end and a second top end, the first and second longitudinal directions being parallel to each other and vertical when the plate is in the vertical position of use, characterized in that, in the vertical position of use of the plate, the first bottom end of the inlet collector orifice is situated below the first bottom end of the distribution orifice. | 05-01-2014 |
| 20140147767 | Sealing assembly for a fuel cell stack and method for manufacturing a fuel cell stack - In order to provide a sealing assembly for a fuel cell stack comprising a plurality of fuel cell units, which are arranged consecutively in a stacking direction, wherein each of the fuel cell units comprises a housing with at least one housing part made of a metallic material, which also has an adequate electrical insulation effect and an adequate mechanical strength at a high operating temperature of the fuel cell stack, it is proposed that the sealing assembly comprises at least one intermediate element made of a metallic material, wherein the intermediate element is soldered to a housing part of a first fuel cell unit at at least one location by means of a metal solder and is secured to a housing part of a second fuel cell unit at at least another location, wherein the intermediate element and/or the housing part of the first fuel cell unit is provided with a coating made of a ceramic material. | 05-29-2014 |
| 20140147768 | FUEL CELL PLATE AND FUEL CELL - A plate for a fuel cell consisting of a stack of plates and membrane electrode assemblies is provided. The plate includes at least one striated sealing surface for bearing in a sealed manner against a membrane electrode assembly or against another fuel cell plate. The plate is a bipolar plate, a monopolar plate, or an elementary plate of such a bipolar or monopolar plate. | 05-29-2014 |
| 20140234748 | METALLIC BIPOLAR PLATE FOR A PROTON-EXCHANGE MEMBRANCE FUEL CELL - A metallic plate for a proton-exchange membrane fuel cell (PEMFC) having, on at least one of its surfaces, a coating including: conductive material fillers; a polymer used as a binder; and a metal cation absorbing compound. | 08-21-2014 |
| 20140272662 | CELL RETENTION DESIGN AND PROCESS - A system and method for reducing the relative movement between adjacent fuel cells within a fuel cell stack includes an improved strategy for distributing an acceleration load over a fuel cell stack while maintaining stack performance after exposure to high acceleration loads. The system comprises a fuel cell stack comprising a plurality of fuel cells enclosed by a housing. A curable material occupies at least a portion of a lateral space located between the edges of each fuel cell in the stack and an interior wall of the housing. Upon occurrence of high acceleration loads within the housing, the curable material transmits the acceleration load from the housing to more evenly distribute the load to the edges of the fuel cells. A plurality of dams may be secured between the housing and the fuel cell stack forming channels for receiving the curable material. | 09-18-2014 |
| 20140302416 | METAL SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD THEREOF - A metal separator for a fuel cell and a manufacturing method thereof are provided, in which a graphite carbon layer with a minute thickness is formed on the surface of a substrate, to improve conductivity. The manufacturing method includes preparing a metal substrate; loading the metal substrate into a chamber with a vacuum atmosphere; coating a graphite carbon layer by depositing carbon ions ionized from a coating source on a surface of the metal substrate; and unloading the metal substrate having the graphite carbon layer coated thereon to an exterior of the chamber. | 10-09-2014 |
| 20150037706 | SINGLE FUEL CELL, FUEL CELL STACK, AND METHOD OF MANUFACTURING FUEL CELL STACK - A single fuel cell, a plurality of which are to be stacked to form a fuel cell stack, includes a membrane electrode assembly having a structure including paired electrode layers and an electrolyte membrane held between the paired electrode layers, paired separators each forming a gas passage between the separator and the membrane electrode assembly, and a displacement absorber having a conductive property and interposed between one separator of the single fuel cell and an adjacent-side separator of another single fuel cell to be stacked adjacent to the single fuel cell. The displacement absorber is connected to at least any one of the separators. | 02-05-2015 |
| 20150349352 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 12-03-2015 |
| 20160043426 | Solid Oxide Fuel Cell Bundles with Flexible Power Transmission System - A fuel cell assembly comprising: a plurality of fuel cell bundles, each fuel cell bundle comprising: an array of elongated tubular fuel cells comprising a plurality of rows of spaced apart, elongated tubular fuel cells; a plurality of elongated electrical connectors each having a first contact for coupling with a first fuel cell and a second contact for coupling with a second fuel cell and wherein each of said electrical connectors is disposed between at least two of said elongated tubular fuel cells; an oxidant supply system; a fuel supply system; and a support structure for integrating as a bundle said fuel cells, said oxidant supply system and said fuel supply system, wherein said support structure comprises an elongated tubular fuel cell support/spacer plate and an oxidant feed tube support/spacer plate; wherein the elongated tubular fuel cell support/spacer plate is spaced from and connected to the oxidant feed tube support/spacer plate by one or more first pin-in-sleeve combinations each of which is connected to a first side of the elongated tubular fuel cell support/spacer plate and to a first side of the oxidant feed tube support/spacer plate. The fuel cell assembly may also comprise flexible members defining open slots on electrical connectors. Flexible power leads with cross-over plates and tabs may also be comprised in the fuel cell assembly. | 02-11-2016 |
| 20160064746 | CARBON MEMBER, CARBON MEMBER MANUFACTURING METHOD, REDOX FLOW BATTERY AND FUEL CELL - A carbon member for use as a battery member of a redox flow battery or a fuel cell, obtained by welding, into a single integrated body: a first layer including a first resin composition containing a polyolefin-based resin and having a melt flow rate of 0.01 to 10 g/10 min, and a first carbonaceous material; a second layer including a second resin composition containing a polyolefin-based resin, having a melt flow rate of 5 to 1,000 g/10 min that is greater than that of the first resin composition, and having a melting point that is 80° C. or higher, but is at least 10° C. lower than that of the first resin composition, and a second carbonaceous material; and a third layer, which is disposed facing the first layer with the second layer interposed therebetween, and is formed from a porous carbon material having a specified bulk density. | 03-03-2016 |
| 20160126563 | INSULATOR AND FUEL CELL DEVICE - In order to prevent a reduction in workability when inserting an insulator, the insulator is to be disposed between a stacked body having a cell stack including a plurality of stacked unit cells and an end member to be disposed outward from the cell stack in stacking directions of the plurality of unit cells, and a covering to be disposed so as to separate in a perpendicular direction to the stacking directions from a side face of the stacked body parallel to the stacking directions. In a state where an end portion of the end member in the perpendicular direction is closer to the covering than an end portion of the cell stack in the perpendicular direction, and the insulator is disposed between the stacked body and the covering, the insulator includes a planar portion for covering at least a part of the side face, and a protruded portion disposed in the planar portion and protruded toward one or more unit cells near the end member among the plurality of unit cells constituting the cell stack. | 05-05-2016 |
| 20160126564 | CERAMIC SUBSTRATE FOR ELECTROCHEMICAL ELEMENT, MANUFACTURING METHOD THEREFORE, FUEL CELL, AND FUEL CELL STACK - A ceramic substrate for an electrochemical element that includes a ceramic layer and a high-thermal-expansion-coefficient material layer that is laminated on the surface of the ceramic layer. The high-thermal-expansion-coefficient material layer has a higher coefficient of thermal expansion than the ceramic layer, and applies compressive stress to the ceramic layer. | 05-05-2016 |
| 20160133951 | Insulator and Fuel Cell - In order to improve a power density of a fuel cell and prevent a generation of a poor insulation, an insulator is provided, which is disposed between a current collector disposed in contact with one end of a stacked body having a plurality of stacked unit cells in stacking directions, and an end member disposed outside from the current collector in the stacking directions, and includes a plurality of insulator members, each having a sheet-like planar portion. The plurality of insulator members which are stacked onto each other by the planar portions thereof are disposed oppose to the current collector. | 05-12-2016 |
| 20160141643 | DEFORMATION ABSORPTION MEMBER AND FUEL CELL - A deformation absorption member for a fuel-cell-stack disposed between an anode side separator and a cathode side separator. The deformation absorption member includes a thin-board-like base material, and a plurality of raised pieces in which extension portions extended from proximal ends are arranged in a grid pattern. Each raised piece of the plurality of raised pieces is formed in a non-rectangular shape in which the width of the extension portion is shorter than the width of the proximal end, and plurality of raised pieces are configured so that the directions of the extension portions of mutually adjacent raised pieces are alternately arranged, and positions of the proximal ends of the mutually adjacent raised pieces are arranged in at least overlapping positions. | 05-19-2016 |
| 20160149252 | STACK FASTENING STRUCTURE OF FUEL CELL - A stack fastening structure of a fuel cell is provided and includes a fastening mechanism that is mounted at an outside of a plurality of stacked fuel cells to generate a force pressing against the plurality of stacked fuel cells. In addition, an insertion body is mounted within the fastening mechanism to adjust the force pressing against the plurality of fuel cells. Accordingly, the fastening force is more accurately adjusted using the insertion body and the external force applied to the insertion body is measured to calculate the fastening force. | 05-26-2016 |
| 20190144980 | STAINLESS STEEL | 05-16-2019 |
