Class / Patent application number | Description | Number of patent applications / Date published |
429469000 | With sealing or supporting feature | 50 |
20100159344 | Fuel cell seals - A fuel cell stack includes a plurality of fuel cells, a plurality of interconnects, and a plurality of seal members, wherein the plurality of seal members comprises one or more first seal members and one or more additional seal members, where the one or more first seal members form a protective barrier between the reducing environment contained with the fuel cell stack and the remaining seal members. | 06-24-2010 |
20100167156 | FUEL CELL STACK HAVING AN INTEGRATED END PLATE ASSEMBLY - A fuel cell stack ( | 07-01-2010 |
20100209802 | FUEL CELL STACK COMPONENTS AND MATERIALS - A plurality of fuel cell stack components, such as interconnects, seals and bypass conductors are provided. The components may be used in solid oxide fuel cell stacks or other types of fuel cell stacks. | 08-19-2010 |
20100233566 | FUEL CELL AND FUEL CELL SYSTEM - A fuel cell includes a cell stack in which a plurality of unit cells each including a membrane electrode assembly with an anode electrode and a cathode electrode, and an anode flow plate connected to the anode electrode, and a gap portion which supplies oxygen amount greater than or equal to a consuming oxygen amount of the cathode electrode by diffusion onto the cathode electrode surface, are provided on the cathode electrode surface; a container unit containing the cell stack, having one face and another face in a direction parallel to a stacking direction of the unit cells; a duct unit arranged on at least one of the one face and the another face, and connected to the gap portion, and a fan which supplies the oxygen to the duct unit. | 09-16-2010 |
20100233567 | FUEL CELL STACK - A solid oxide fuel cell stack obtainable by a process comprising the use of a glass sealant with composition 50-70 wt % SiO | 09-16-2010 |
20100239941 | CEILING DEVICE FOR A FUEL CELL ARRANGEMENT - The invention relates to a sealing device for a fuel cell arrangement having a plurality of fuel cells combined to form a fuel cell stack ( | 09-23-2010 |
20100261088 | FUEL CELL STACK - A fuel cell stack includes a plurality of fuel cells stacked together, and a pair of end plates provided at opposite ends the fuel cells in the stacking direction. Further, the fuel cell stack includes coupling members bridging between the end plates, holding mechanisms provided in side surfaces of the end plates and the coupling members for applying tension in a tightening direction, and fixing mechanisms for fixing the side surfaces of the end plates and the coupling members together. The holding mechanism has a pin member inserted into the side surface of the end plate and the coupling member. Further, the fixing mechanism has a screw for fixing the coupling member to the side surface of the end plate. | 10-14-2010 |
20100310964 | 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 least one location by means of a metal solder and is secured to a housing part of a second fuel cell unit 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. | 12-09-2010 |
20100323267 | Method for producing an electrically insulating sealing arrangement for a fuel cell stack and sealing arrangement for a fuel cell stack - In order to create a method for producing an electrically insulating sealing assembly for producing a seal between two components of a fuel cell stack, which allows for production of a sealing assembly that offers long-term stability during operation of a fuel cell system and provides good gas tightness and good electrical insulation properties, a method comprising the following steps is proposed: applying an insulating layer starting material onto a substrate in a wet-chemical process; heating the insulating layer starting material to a sinter temperature so as to produce a sintered, electrically insulating, ceramic insulating layer; and directly or indirectly joining the insulating layer to the components to be sealed. | 12-23-2010 |
20110065016 | FUEL CELL AND FUEL CELL LAYER - There is provided a fuel cell including a membrane electrode assembly having a cathode electrode, an electrolyte membrane, and an anode electrode in this order, and an anode collector layer. The anode collector layer includes a pair of first walls provided along two opposite sides. The membrane electrode assembly is fitted between the first walls such that the anode electrode faces the anode collector layer. A fuel cell layer employing the fuel cells is also provided. Preferably, the fuel cell further includes a pair of second walls formed on the pair of first walls. | 03-17-2011 |
20110091786 | FUEL CELL STACK - Disclosed is a fuel cell stack which includes: a cell assembly formed of stacked unit cells, each composed of a membrane electrolyte assembly and separators which sandwich the membrane electrolyte assembly; a pair of collector plates A and B which sandwiches the cell assembly; a pair of end plates A and B which sandwiches the cell assembly and the collector plates; and an elastic member disposed between end plate A and collector plate A, wherein end plate A has a convexed portion and a concaved portion on a surface facing collector plate A, and the concaved portion of end plate A holds therein the elastic member, and a bottom surface of the concaved portion includes a second convexed portion and a second concaved portion. | 04-21-2011 |
20110104583 | Fuel Cell Constituent Part And Manufacturing Method Thereof - A pair of gaskets is integrally formed with seal lips corresponding to each other and extending in the longitudinal direction of the gasket, and side portions disposed on either sides or one side of the seal lip and having a height lower than that of the seal lip. The plate-shaped attachment member includes a through-hole provided at a position where the side portions of the pair of gaskets communicate with each other so as to be formed therethrough in the thickness direction, and the pair of gaskets is integrally formed through the through-hole. An opening shape of the through-hole is set to be an elongated shape in the longitudinal direction of the gasket so as to make a width dimension of each of the side portions as small as possible. | 05-05-2011 |
20110136035 | FUEL CELL USING UV CURABLE SEALANT - A fuel cell is disclosed that includes a cathode, an anode and an electrode assembly, each including lateral surfaces that adjoin one another. The electrode assembly is arranged between the cathode and anode. Each of the cathode, the anode and the electrode assembly include perimeter surfaces transverse to the lateral surfaces that are arranged adjacent to one another. A UV curable sealant is arranged on the perimeter surfaces providing a seal over the lateral surfaces. After the UV curable sealant has been applied to the perimeter surfaces, the sealant is exposed to a UV light source for a desired duration to cure the sealant. Accordingly, the UV curable sealant reduces the complexity of the cell stack assembly and decreases its production time. | 06-09-2011 |
20110159398 | LOW COMPRESSIVE LOAD SEAL DESIGN FOR SOLID POLYMER ELECTROLYTE FUEL CELL - A low compressive load seal for a solid polymer fuel cell employs two offset peripheral projections, one on each of the anode and cathode separator plates, for compressing a gasket. The design can achieve a seal against a given burst pressure with a lower load normal to the separator plates by creating significant compression parallel to the separator plates in the gap between the offset projections. The design allows for thinner fuel cell constructions while avoiding the issues that arise in prior art designs (e.g., stress on seal material and component crushing) if reasonable tolerances were allowed for variations in component thickness. | 06-30-2011 |
20110200909 | THIN, FINE GRAINED AND FULLY DENSE GLASS-CERAMIC SEAL FOR SOFC STACK - A solid oxide ceramic includes a substrate defining a surface, the substrate including at least one material selected from the group consisting of yttria-stabilized zirconia (YSZ), lanthanum strontium titanate (LST), lanthanum strontium manganite (LSM), and nickel oxide-YSZ composite. The solid oxide ceramic further includes a seal coating at least a portion of the surface, the seal including a Sanbornite (BaO.2SiO | 08-18-2011 |
20110212380 | FUEL CELL STACK ENCLOSURE - A fuel cell device including a fuel cell stack with a flexible enclosure. | 09-01-2011 |
20110229790 | FUEL CELL MODULE AND FUEL CELL STACK - A fuel cell stack and fuel cell modules that constitute such a fuel cell stack are provided, wherein adhesion of foreign materials to an electrolyte membrane of each fuel cell can be effectively prevented, and highly efficient maintenance is possible by replacing a fuel cell with degraded performance out of the fuel cell stack. A plurality of fuel cells | 09-22-2011 |
20110229791 | SEALING STRUCTURE AND FUEL CELL HAVING THE SEALING STRUCTURE - A sealing structure includes: components ( | 09-22-2011 |
20110236784 | FUEL CELL STACK - A fuel cell stack is provided in which a plurality of single cells each including a membrane electrode assembly are stacked in a stacking direction. The fuel cell stack includes a plurality of electrical insulation members each connected to an outer peripheral portion of a corresponding one of the membrane electrode assemblies. The fuel cell stack further includes a first displacement absorbing member disposed between each insulation member and an adjacent insulation member. | 09-29-2011 |
20110256465 | REDUCED-WEIGHT FUEL CELL PLATE - The disclosed embodiments provide a fuel cell plate. The fuel cell plate includes a substrate of electrically conductive material and a first outer layer of corrosion-resistant material bonded to a first portion of the substrate. To reduce the weight of the fuel cell plate, the electrically conductive material and the corrosion-resistant material are selected to be as light as practicable. | 10-20-2011 |
20110262830 | Reduced Axial Pressure in Fuel Cell Stacks - Fuel cell stacks ( | 10-27-2011 |
20110318665 | POLYMER ELECTROLYTE FUEL CELL-USE GASKET - A polymer electrolyte fuel cell-use gasket, included in a polymer electrolyte fuel cell including a fuel cell stack. In fuel cell stack, a plurality of unit cell modules is stacked, and each of the unit cell modules includes sealing members disposed at circumference portions of both surfaces of a membrane electrode assembly, and paired separators sandwiching the membrane electrode assembly and the sealing members. The fuel cell stack is assembled by being clamped by a fastening member via paired end plates respectively disposed at both ends of a stacked product. The present invention relates to the polymer electrolyte fuel cell-use gasket in which the sealing members are integrally molded with the circumference portions of both surfaces of the membrane electrode assembly. A conventional gasket has an issue that the gasket cannot achieve, at the same time, the conflicting demands, i.e., a reduction in the fastening force and a sure securing of the sealing performance. In the present invention, the issue is resolved by as the sealing member of the gasket, two rows of sealing lips continuously provided in parallel to each other in an in-plane manner, and at least an outer one of the two rows of sealing lips is integrally formed having a top side bell-shaped portion overlaid on a bottom side bell-shaped portion. | 12-29-2011 |
20120122010 | SEAL STRUCTURE FOR FUEL CELL AND METHOD FOR PRODUCING SAME - In order to prevent decrease of power generation due to a narrow MEA reaction region, an MEA ( | 05-17-2012 |
20120171592 | UNIT CELL OF FUEL CELL STACK AND FUEL CELL STACK HAVING THE UNIT CELL - A unit cell of a fuel cell stack, and a fuel cell stack including the unit cell, where the unit cell includes channel plates including first and second manifolds, a plurality of channels and channel connecting units; hard plates arranged to contact surfaces of the channel connecting units; and gaskets arranged to surround the plurality of channels and first and second manifolds between the channel plates and the hard plates. | 07-05-2012 |
20120237847 | FUEL CELL STACK WITH IMPROVED CORROSION RESISTANCE - The present invention provides a fuel cell stack with improved corrosion resistance, in which the outer edge of the fuel cell stack including an outer cut portion of each metallic bipolar plate can be effectively prevented from being corroded. For this purpose, the present invention provides a fuel cell stack including a waterproof member which is formed at an outer edge of a metallic bipolar plate to seal a gap between joined surfaces of the metallic bipolar plate, a membrane-electrode assembly, a gas diffusion layer, and a gasket from the outside thereof such that water vapor and moisture from the fuel cell stack are prevented from being brought into contact with an outer cut portion of each metallic bipolar plate by the waterproof member. | 09-20-2012 |
20120321985 | FUEL CELL STACK - A casing of a fuel cell stack has stack deformation prevention structure for limiting the change of an interval between end plates on the lower side in a direction of gravity, due to swelling of the lower side of the stack body in the direction of gravity. The stack deformation prevention structure is configured such that elastic modulus of a side plate provided on a lower side of the stack body in the direction of gravity is higher than elastic modulus of a side plate provided on an upper side of the stack body in the direction of gravity. | 12-20-2012 |
20120321986 | ROLL-GOOD FUEL CELL FABRICATION PROCESSES, EQUIPMENT, AND ARTICLES PRODUCED FROM SAME - Fabricating roll-good fuel cell material involves laminating first and second bonding material webs having spaced apart windows to first and second surfaces of a fuel cell membrane web. First and second active regions of the membrane web are positioned within the respective bonding material windows. Third and fourth gasket material webs having spaced apart windows are respectively laminated to the bonding material on the first and second membrane web surfaces. The bonding material windows align with the respective gasket material windows so that at least some of the bonding material extends within the respective gasket material windows. Fluid transport layer (FTL) material portions cut from fifth and sixth FTL material webs are laminated to the respective first and second active regions. The FTL material portions are positioned within respective gasket material windows and contact the bonding material extending within the respective gasket material windows. | 12-20-2012 |
20130130147 | FUEL CELL STACK - A fuel cell stack providing a connection between a current collector and a plurality of unit cells. The fuel cell stack includes a plurality of unit cells deposed to extend in parallel along a first direction and to be electrically connected to each other; a support arranged to extend along a second direction crossing the first direction; and a current collector connected to the support via a fastener, the fastener comprising a metal layer and a metal oxide layer. Here, the metal oxide layer is formed to have a set or predetermined thickness on the surface of a metal layer of the fastener to provide an improved connection of the unit cells and the current collector. | 05-23-2013 |
20130273452 | Fuel Cell Stack and Compression System Therefor - A fuel cell stack and a compression system for providing compressive force to a fuel cell stack having first and second ends is provided. The compression system includes asymmetric leaf springs operatively connected to first and second ends of the fuel cell stack. Each leaf spring includes a slot having first and second connector positions. The compression system also includes tension members connected to the leaf springs. The tension members compress the leaf springs to provide a compressive load to the fuel cell stack. | 10-17-2013 |
20130337364 | FUEL CELL ARRANGEMENT WITH A FUEL CELL STACK DEFORMABLE DURING OPERATION - The present invention relates to fuel cell arrangement having at least one fuel cell stack which has a first end plate, a second end plate and numerous fuel cells which each comprise an anode, a cathode and an electrolyte arranged between the anode and the cathode, wherein the fuel cells are arranged along a longitudinal axis of the fuel cell stack between the first and the second end plates, a supporting structure in which the fuel cell stack is arranged, wherein the first end plate of the fuel cell stack is, if appropriate, permanently connected to the supporting structure. The fuel cell arrangement according to the invention is characterized in that at least one bearing means which is different from the first end plate which is, if appropriate, permanently connected to the supporting structure is provided for absorbing transverse forces acting on the fuel cell stack in the transverse direction with respect to the longitudinal axis of the stack. | 12-19-2013 |
20140120450 | SOLID OXIDE FUEL CELL MODULE - Disclosed herein is a solid oxide fuel cell module including: a plurality of cylindrical unit cells including a cylindrical internal electrode, an electrolyte, and an external electrode; stack supports including a pair of current collecting plates arranged in parallel and elastic parts changing a gap between the pair of current collecting plates, wherein the stack supports are arranged so as to be in electrical communication with the external electrode of the unit cell. | 05-01-2014 |
20140147769 | FUEL CELL, AND METHOD FOR PRODUCTION OF FUEL CELL - A fuel cell that includes a cell stack in which a plurality of unit cells are stacked, a case that houses the cell stack, and a pressure plate that is placed in the case at a position between an end of the cell stack in the stacking direction and the case. The case has a first opening through which a pressing member that presses the pressure plate in the stacking direction from outside the case is brought into contact with the pressure plate, and a fixing portion that fixes the pressure plate in place with the cell stack compressed in the stacking direction. | 05-29-2014 |
20140154605 | FUEL CELL DEVICE AND METHOD OF MANAGING MOISTURE WITHIN A FUEL CELL DEVICE - An exemplary fuel cell device includes a cell stack assembly having a plurality of fuel cells. A vapor barrier tape is wrapped around at least a portion of an exterior of the cell stack assembly. An exemplary method of managing moisture within a fuel cell stack assembly includes covering at least a portion of an exterior of the cell stack assembly with a vapor barrier tape to thereby maintain moisture within the cell stack assembly. | 06-05-2014 |
20140162168 | FUEL CELL STACK - A fuel cell stack is provided that includes: i) a plurality of unit cells that are stacked together; ii) end plates that are each disposed at outermost ends of the unit cells and that press the plurality of unit cells together; and iii) a plurality of tension bars that engage the end plates, wherein an tension bar corresponding to an outermost portion of the unit cells has a predetermined angle of slope and engages with the end plate. | 06-12-2014 |
20140255817 | Electrochemical Stack Compression System - In accordance with one embodiment, an electrochemical cell stack compression system may include an integral, hollow frame configured to contain a plurality of electrochemical cells arranged along an axis in a stack configuration. The frame may have a defined shape and may form a continuous border around a periphery of the electrochemical cell stack when inserted. The frame may be formed of a plurality of fibers. | 09-11-2014 |
20140287336 | NANODEVICES FOR GENERATING POWER FROM MOLECULES AND BATTERYLESS SENSING - A nanoconverter or nanosensor is disclosed capable of directly generating electricity through physisorption interactions with molecules that are dipole containing organic species in a molecule interaction zone. High surface-to-volume ratio semiconductor nanowires or nanotubes (such as ZnO, silicon, carbon, etc.) are grown either aligned or randomly-aligned on a substrate. Epoxy or other nonconductive polymers are used to seal portions of the nanowires or nanotubes to create molecule noninteraction zones. By correlating certain molecule species to voltages generated, a nanosensor may quickly identify which species is detected. Nanoconverters in a series parallel arrangement may be constructed in planar, stacked, or rolled arrays to supply power to nano- and micro-devices without use of external batteries. In some cases breath, from human or other life forms, contain sufficient molecules to power a nanoconverter. A membrane permeable to certain molecules around the molecule interaction zone increases specific molecule nanosensor selectivity response. | 09-25-2014 |
20140356753 | Fuel Cell Stack - A fuel cell stack includes a plurality of stacked fuel cell units and at least one stack end element that are clamped a clamping device. The clamped fuel cell units are surrounded by a housing. A circumferential seal, in particular a lip seal, which has recesses for accommodating the clamping device is situated between the housing and the at least one stack end element. The clamping device is electrically insulated at least in the area of the recesses. | 12-04-2014 |
20150010844 | Fuel Cell Stack - A fuel cell stack is formed from a plurality of stacked fuel cell units and at least one stack end element. The stacked fuel cell units being surrounded by a housing. A frame element is situated on the at least one stack end element and the housing on the end-face side. At least one seal is situated at least between the stack end element and the housing in the area of the frame element. | 01-08-2015 |
20150017564 | Electrochemical Conversion Device - In order to improve an electrochemical conversion device comprising a plurality of functional elements stacked one upon the other into a stack in a stacking direction and interconnected within the stack, some of which have peripheral areas of sheet material, some of which are arranged in a stacked configuration one upon the other in a stacking direction, forming peripheral stacks, and are interconnected by way of a first element-to-element connection and some others of which are interconnected by way of a second element-to-element connection, in such a manner that the strain placed on the element-to-element connections can be kept as low as possible, it is proposed that one of the functional elements comprise a compensating unit and that the compensating unit comprise at least one deformable element which, by deformation, allows for at least one height compensation in the stacking direction. | 01-15-2015 |
20150064598 | FUEL CELL STACK SEALING METHODS, APPARATUS, AND SYSTEMS - Methods, apparatus, and systems for improving and/or simplifying one or more seals in a fuel cell stack, such as a vehicle fuel cell stack. In some implementations, a plate or assembly for the stack may be extruded through an extrusion die so as to create a plate comprising a top surface, a bottom surface, and a plurality of cavities disposed between the top and bottom surfaces. At least a subset of the cavities may be filled with a cavity-filler material distinct from a material used to form the plate, such as a foam material. One or more headers, such as grommet seals, may then be overmolded into the plate to form corresponding conduits between the top surface and the bottom surface of the plate/assembly. | 03-05-2015 |
20150325870 | FUEL CELL STACK - A fuel cell stack has a stacked plurality of cell modules, each of the plurality of cell modules comprising a stacked plurality of single cells, each of the plurality of single cells comprising a membrane electrode assembly sandwiched between a pair of separators, a pair of end plates that sandwich the plurality of cell modules in the stacking direction, sealing plates to seal a reactant gas, disposed between the plurality of cell modules and between outermost cell modules and the end plates, and a voltage measuring terminal protruding to an outside of the cells, provided in at least one of the sealing plates. | 11-12-2015 |
20150333356 | FUEL CELL STACK ASSEMBLY AND METHOD OF ASSEMBLY - A fuel cell stack assembly comprising: a first encapsulation member ( | 11-19-2015 |
20150340722 | FUEL CELL STACK ASSEMBLY AND METHOD OF ASSEMBLY - A fuel cell stack assembly ( | 11-26-2015 |
20160013508 | FUEL CELL STACK AND ASSEMBLY METHOD OF SAME | 01-14-2016 |
20160049681 | FUEL CELL STACK - The present invention provides a fuel cell stack capable of suppressing misalignment between unit cells that causes gas leakage while achieving low cost and a configuration with a small size and small mass. | 02-18-2016 |
20160133982 | Fuel Cell Device - A fuel cell device includes: a cell stack; a case including a cover portion that covers one of side surfaces of the cell stack along a stacking direction; an end plate connected to one end portion of the cover portion in the stacking direction; and a fastening member that extends in parallel with the stacking direction on an opposite side of the cell stack from the cover portion, that includes one end portion in the stacking direction connected to the end plate and another end portion in the stacking direction connected to the case, and that fastens the cell stack, the end plate, and the case to each other. A thermal expansion coefficient of the cover portion is larger than a thermal expansion coefficient of the fastening member. | 05-12-2016 |
20160141636 | SEPARATOR FOR FUEL CELL, FUEL CELL, AND MANUFACTURING METHOD OF SEPARATOR - A separator for a fuel cell, to be disposed opposing to a membrane electrode assembly, is provided. The separator includes a separator central area portion opposing to a center area of the membrane electrode assembly that concerns generating power, an outer edge portion located in an outer edge of the separator central area portion, a rubber molded body made of rubber, the rubber molded body being formed in the outer edge portion by die-casting a die-casting rubber material using die, and an adhesive layer formed in the outer edge portion, for adhering the rubber molded body to the outer edge portion. The adhesive layer is formed over an adhesive layer area that includes and is larger than an area where the rubber molded body is die-casted in the outer edge portion. Thus, a disadvantage due to burrs which are generated when die-casting the rubber molded body can be reduced. | 05-19-2016 |
20160141703 | FUEL CELL CASE - A fuel cell case that is configured to place a fuel cell therein, the fuel cell case includes: a first member including a bottom surface of the fuel cell case; and a second member fixed to an outer circumferential portion of the first member using a fastener, wherein a gasket seals between the first member and the second member, and the first member includes a rib, wherein the rib is positioned on an inner circumferential side of a portion where the first member comes into contact, with the gasket and is protruded upward from a surface where the first member comes into contact with the gasket. | 05-19-2016 |
20160254563 | FUEL CELL | 09-01-2016 |
20170237107 | FUEL CELL STACK | 08-17-2017 |