Entries |
Document | Title | Date |
20100173218 | FUEL CELL STACK AND FUEL CELL USING THE SAME - In a fuel cell stack, a cell stack formed by laminating a membrane electrode assembly and a separator and sandwiching them from the both sides in the laminating direction with a pair of end plates is fastened by being tightened in the laminating direction with a first plate spring. The first plate spring includes two arm sections for pressing the pair of end plates and a connecting section connecting the arm sections, and has a C-shaped cross-section. | 07-08-2010 |
20100178580 | BIPOLAR PLATE FOR A FUEL CELL STACK - A bipolar plate for a fuel cell is provided that includes a pair of unipolar plates having a separator plate disposed therebetween. One of the unipolar plates is produced from a porous material to minimize cathode transport resistance at high current density. A fuel cell stack including a fuel cell and the bipolar plate is also provided. | 07-15-2010 |
20100178581 | FUEL CELL STACK AND FUEL CELL SYSTEM USING THE SAME - A fuel cell stack and a fuel cell system using the same are disclosed. The fuel cell stack may include an electricity generation unit generating electrical energy by an electrochemical reaction of fuel and oxidizer. The fuel cell stack may include a regulation member made of porous materials to disperse coolant flowed in through a cooling channel formed in the fuel cell stack. | 07-15-2010 |
20100190082 | Fuel Cell - Disclosed is a fuel cell including, a stack having fuel channels through which fuel flows and air channels through which air flows, the fuel channels and air channels being located at both sides of a reaction film, an actuator disposed to be involved in the air channels, the actuator allowing external air of the stack to affect the air channels, and a skirt extending from the stack with communicating with the air channels. | 07-29-2010 |
20100216046 | FUEL CELL FORMED IN A SINGLE LAYER OF MONOCRYSTALLINE SILICON AND FABRICATION PROCESS - Fuel cells are formed in a single layer of conductive monocrystalline silicon including a succession of electrically isolated conductive silicon bodies separated by narrow parallel trenches etched through the whole thickness of the silicon layer. Semicells in a back-to-back configuration are formed over etch surfaces of the separation trenches. Each semicell formed on the etch surface of one of the silicon bodies forming an elementary cell in cooperation with an opposite semicell formed on the etch surface of the next silicon body of the succession, is separated by an ion exchange membrane resin filling the separation trench between the opposite semicells forming a solid electrolyte of the elementary cell. Each semicell includes a porous conductive silicon region permeable to fluids, extending for a certain depth from the etch surface of the silicon body, at least partially coated by a non passivable metallic material. Each of the porous and fluid permeable regions communicates with a feed duct of a fuel fluid or of oxygen gas that extends parallel to the etch surface inside the conductive silicon body. | 08-26-2010 |
20100233564 | Fuel Cell Stack Including Non-Fuel Cell Cassette - A fuel cell stack is disclosed including a non-fuel cell cassette having temperature sensing elements disposed therein. The temperature sensing elements are disposed in one or more void spaces in the non-fuel cell cassette, which void spaces are connected to openings in the side of the non-fuel cell cassette for lead wires to communicate information from the temperature sensing elements to components outside of the fuel cell stack. | 09-16-2010 |
20100297521 | SOLID OXIDE FUEL CELL MANIFOLD AND CORRESPONDING STACK - A fuel cell and a fuel cell stack thereof includes separators, each of which includes a sandwiching section for sandwiching an electrolyte electrode assembly, a bridge and a reactant gas supply section, wherein the sandwiching section has a fuel gas channel and an oxygen-containing gas channel, the bridge has a fuel gas supply channel for supplying the fuel gas to the fuel gas channel and an oxygen-containing gas supply channel for supplying the oxygen-containing gas to the oxygen-containing gas channel, and a fuel gas supply passage for supplying the fuel gas to the fuel gas supply channel and an oxygen-containing gas supply passage for supplying the oxygen-containing gas to the oxygen-containing gas supply channel extend through the reactant gas supply section in the stacking direction. | 11-25-2010 |
20110039181 | Electrochemical cell, and particularly a metal fueled cell with non-parallel flow - The present invention relates to an electrochemical cell with a gap between an anode and a cathode for transport flow of an electrolyte containing charge carrying ions from a solid fuel and an oxidizer. | 02-17-2011 |
20110039182 | FUEL CELL - A fuel cell includes separators sandwiching electrolyte electrode assemblies. The separators each include first and second fuel gas supply sections through which a fuel gas supply passage extends centrally, first and second bridges extending radially outwardly from the first and second fuel gas supply sections and first and second sandwiching sections connected to the first and second bridges. A fuel gas channel and an oxygen-containing gas channel are provided in the first and second sandwiching sections. Each of the first sandwiching sections has pairs of fuel gas outlets, and a fuel gas consumed in the fuel gas channel is discharged through the fuel gas outlets. | 02-17-2011 |
20110045376 | FUEL CELL - A fuel cell includes separators sandwiching electrolyte electrode assemblies. The separators each include first and second fuel gas supply sections through which a fuel gas supply passage extends centrally, first and second bridges extending radially outwardly from the first and second fuel gas supply sections, and first and second sandwiching sections connected to the first and second bridges. A fuel gas channel and an oxygen-containing gas channel are provided in the first and second sandwiching sections. Each of the first sandwiching sections has pairs of fuel gas outlets and a fuel gas consumed in the fuel gas channel is discharged through the fuel gas outlets. | 02-24-2011 |
20110123890 | FUEL CELL STACK AND FLAT-PLATE SOLID OXIDE FUEL CELL USING SAME - An object of the present invention is to provide a fuel cell stack which can prevent both cell voltages from decreasing and cracks from occurring in a solid electrolyte under the action of mechanical stress and a flat plate solid oxide fuel cell using the same. In order to achieve this object, the present invention provides a fuel cell stack having a sealless structure in which a plurality of power generation cells ( | 05-26-2011 |
20110165490 | POLYMER ELECTROLYTE FUEL CELL AND MANUFACTURING METHOD FOR ELECTRODE-MEMBRANE-FRAME ASSEMBLY - In a manufacturing method for an electrode-membrane-frame assembly in a fuel cell, a first frame member and an electrolyte membrane member are arranged in a first mold for injection molding such that the edge of the electrolyte membrane member is arranged on the first frame member, a second mold is arranged to form a resin flow passage for forming a second frame member which is in contact with the first frame member by interposing the electrolyte membrane member, and a part of the edge of the electrolyte membrane member is pressed and fixed to the first frame member by a presser member mounted on the second mold and a molding resin material is injected into the resin flow passage to form a second frame member. | 07-07-2011 |
20110171554 | SOLID OXIDE FUEL CELL APPARATUS - [Means for Solution] A solid oxide fuel cell apparatus including a fuel cell having a plate-shaped first solid electrolyte, an anode provided on one side of the first solid electrolyte and coming in contact with fuel gas, and a cathode provided on the other side of the first solid electrolyte and coming in contact with oxidizer gas. The solid oxide fuel cell apparatus further includes a cell-follow-up deformation member located on at least one of opposite sides of the fuel cell with respect to a first stacking direction along which the anode, the first solid electrolyte, and the cathode are stacked together. The cell-follow-up deformation member deforms according to a deformation of the fuel cell on the basis of at least one of physical quantities including differential thermal expansion coefficient and differential pressure. | 07-14-2011 |
20110223511 | FUEL CELL STACK WITH UNIFORM GAS DISTRIBUTION IN MAIN FLOW CHANNELS THEREOF - A fuel cell stack with uniform gas distribution in main flow channels thereof includes a cell stack and an anti-eddy current unit. The cell stack is composed of a plurality of cell units and has an admission flow channel for importing fuel gas. The anti-eddy current unit is provided in the cell stack and situated at the admission end of the admission flow channel to promote fuel gas distribution uniformly in the cell units, thereby increasing the electric power generation efficiency of the fuel cell stack. | 09-15-2011 |
20110244353 | METHOD OF OBTAINING OPTIMAL DESIGN FOR A HEADER OF FUEL CELL STACK AND FUEL CELL STACK WITH AN OPTIMALLY DESIGNED HEADER - A method of obtaining an optimal design for a header of a fuel cell stack and a fuel cell stack with an optimally designed header are provided. The method includes providing a fuel cell stack and obtaining an optimal design for a header of the fuel cell stack. The fuel cell stack is composed by stacking multiple fuel cell units such that header openings thereof are connected to form a header. A control unit is inserted in one side of each header opening to individually control the widths of the header openings and consequently the flow rate of fuel gas passing therethrough. Thus, fuel gas distribution in the fuel cell stack is rendered uniform, and the efficiency of electric power generation by the fuel cell stack is improved. The header openings with the ideal widths define a curvilinear structure which constitutes the optimal design for the header. | 10-06-2011 |
20110269050 | SEPARATOR FOR FLAT-TYPE POLYMER ELECTROLYTE FUEL CELL AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME SEPARATOR - A separator having a separator member coupled body having a metal plate as a base body, and formed by integrally coupling a plurality of separator members each having through holes for feeding fuel to an electrolyte of the fuel cell, said through holes arranged so as to correspond to the unit cell and to be perpendicular to a surface of said base body, and frame coupled bodies each made of an insulating material, each having openings for fuel feeding or oxygen feeding corresponding to the respective separator members, and each formed by integrally coupling a plurality of frame portions that give insulation between the unit cells, wherein said frame coupled bodies, making a pair, sandwich said separator member coupled body from its both sides, and each frame portion of one of said frame coupled bodies is capable of fitting a membrane electrode assembly (MEA) of the fuel cell into the opening. | 11-03-2011 |
20120009499 | COMPRESSION ARRANGEMENT FOR FUEL OR ELECTROLYSIS CELLS IN A FUEL CELL STACK OR AN ELECTROLYSIS CELL STACK - A fuel cell stack or an electrolysis cell stack comprises a plurality of cells, which need to be compressed to ensure and maintain internal contact. To achieve an evenly distributed compression force throughout the electrochemically active area a frame with a central aperture is positioned on top of the cell stack between a resilient plate and a top plate. The enclosed aperture forms a compression chamber which is provided with pressurised gas from the cathode inlet, whereby an evenly distributed force is applied to the electrochemically area of the cell stack by the resilient plate. | 01-12-2012 |
20120034541 | FUEL CELL STACK AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - Provided is a fuel cell stack having reduced thickness and weight and an improved output density. The fuel cell stack according to the present invention includes two or more stacked fuel cell layers, and is characterized in that at least one of the fuel cell layers is formed by arranging two or more composite unit cells in an identical plane with a gap provided therebetween, that the composite unit cell includes a plurality of unit cells and a fuel supply portion for supplying fuel to anode electrodes of the unit cells, and that the anode electrodes of the plurality of unit cells are arranged to face the fuel supply portion. | 02-09-2012 |
20120070760 | LOCAL HYDROPHILIC GAS DIFFUSION LAYER AND FUEL CELL STACK COMPRISING THE SAME - The present invention provides a local hydrophilic gas diffusion layer configured to enhance the water removal performance of a fuel cell For this purpose, the present invention provides a gas diffusion layer in which a region under each of a pair of lands, which receives a clamping pressure of the fuel cell stack, is subjected to local hydrophilic treatment by a simple process, thereby enhancing the water removal performance of the fuel cell stack. In particular, the local hydrophilic gas diffusion layer has a first region under each land of the separator which receives the clamping pressure; and a second region under the gas channel of the separator, wherein the first region is subjected to hydrophilic treatment. | 03-22-2012 |
20120122007 | FUEL CELL STACK - The present invention relates to a fuel cell system, in particular solid oxide fuel cell system (SOFC-System), with several tubular fuel cells, whereby several of these fuel cells respectively have at least one inner electrode, an electrolyte surrounding this/these inner electrode(s) at least in sections and at least one outer electrode surrounding the electrolyte at least in sections, so that the electrolyte spatially separates the inner and the outer electrode(s) from each other, at least two of these fuel cells are located or fixated in or on an electrically conducting carrier and/or contact, which connects—electrically conducting—the inner electrode(s) and/or one/several electrical contact(s) of one/several inner electrode(s) of a first tubular fuel cell or a part of such with the outer electrode(s) and/or one/several electrical contact(s) of one/several outer electrode(s) of a second tubular fuel cell or a part of such, whereby the second tubular fuel cell is preferably located directly adjacent to the first tubular fuel cell or to the part of this fuel cell. | 05-17-2012 |
20120164550 | CONNECTED BODY CONNECTING ELECTRICALLY BETWEEN POWER GENERATION PARTS OF SOLID OXIDE FUEL CELLS - Provided is a connected body connecting electrically between power generation parts of SOFCs, which has high connection strength and high reliability of electric connection. Adjacent two segmented-in-series type SOFCs ( | 06-28-2012 |
20120189937 | HIGH-TEMPERATURE POLYMER ELECTROLYTE FUEL CELL SYSTEM (HT-PEFC) AND A METHOD FOR OPERATING THE SAME - A high-temperature polymer electrolyte membrane fuel cell stack has at least two high-temperature polymer electrolyte membrane fuel cells (HT-PEFC), which comprise at least one means for determining the CO | 07-26-2012 |
20120258378 | FUEL CELL - A cell unit of a fuel cell includes a first membrane electrode assembly, a first metal separator, a second membrane electrode assembly, and a second metal separator. A resin frame member is provided integrally with an outer circumference of the first membrane electrode assembly. An oxygen-containing gas supply passage, a fuel gas supply passage, a coolant supply passage, an oxygen-containing gas discharge passage, a fuel gas discharge passage, and a coolant discharge passage extend through the resin frame member in a stacking direction. At each of both ends of the resin frame member in a longitudinal direction, a pair of projections are provided. The projections protrude toward both sides in a lateral direction. | 10-11-2012 |
20120295180 | FUEL CELL STACK - A fuel cell of a fuel cell stack includes separators. Each of the separators includes a fuel gas supply section, a bridge, and a sandwiching section. A fuel gas supply passage extends through the center of the fuel gas supply section, and a fuel gas supply channel is formed in the bridge. A plurality of the fuel cells are stacked together to form a stack body. Side insulating members are provided in parallel with an extension line extending from the bridge, and along both of outer portions of the sandwiching section. The side insulating members suppress heat radiation from the fuel cells, and are used as a reference level for positioning the fuel cells at the time of stacking the fuel cells. | 11-22-2012 |
20130059223 | PROCESS FOR PRODUCING TUBULAR CERAMIC STRUCTURES OF NON-CIRCULAR CROSS SECTION - Tubular ceramic structures of non-circular cross section, e.g., anode components of tubular fuel cells of non-circular cross section, are manufactured by applying ceramic-forming composition to the external non-circular surface of the heat shrinkable polymeric tubular mandrel component of a rotating mandrel-spindle assembly, removing the spindle from said assembly after a predetermined thickness of tubular ceramic structure of non-circular cross section has been built up on the mandrel and thereafter heat shrinking the mandrel to cause the mandrel to separate from the tubular ceramic structure of non-circular cross section. | 03-07-2013 |
20130122387 | Fuel Cell Bundle and Fuel Cell Module Comprising Same - A fuel cell bundle includes a plurality of columnar fuel cell stacks extending in a first direction that are disposed spaced apart so that side surfaces thereof face each other, the fuel cell stacks each having a first gas flow channel along the first direction and also having a plurality of series-connected fuel cells disposed side-by-side in a second direction intersected by the first direction; a connecting member for electrically connecting series-connected fuel cells of a fuel cell stack with series-connected fuel cells of a fuel cell stack adjacent thereto; and a second gas flow channel regulating member for forming a second gas flow channel along the first gas flow channel between itself and the connecting member, the connecting member and the second gas flow channel regulating member being disposed between the adjacent fuel cell stacks. | 05-16-2013 |
20130130144 | SOLID OXIDE FUEL CELL - A fuel battery cell includes, between a pair of upper and lower interconnectors, a gas sealing part in an air-electrode side, a separator, a fuel electrode frame, and a gas sealing part in a fuel-electrode side. The gas sealing part includes a first gas flowing path penetrating therethrough in a stacking direction of the fuel battery cell to constitute a part of gas flowing paths, and a second gas flowing path extending along a plane direction of the gas sealing part. In the gas sealing part, the first and second gas flowing paths do not communicate with each other. A third gas flowing path is formed in a member stacked on at least one of both sides of the gas sealing part in a thickness direction of the gas sealing part. Through the third gas flowing path, the first and second gas flowing paths communicate with each other. | 05-23-2013 |
20130137008 | DISTRIBUTOR AND FUEL CELL MODULE HAVING THE SAME - A distributor and a fuel cell module including the distributor are disclosed. The distributor is for supplying a fuel or oxidant from a supply tube to a plurality of distribution portions. The distributor includes a buffer portion and a guide portion. The buffer portion has a center for receiving the fuel or oxidant from the supply tube, and a buffer surface extending away from the center. The guide portion defines a first space with a periphery of the buffer portion. The guide portion is radially connected to the plurality of distribution portions about a center axis of the distributor. | 05-30-2013 |
20130244130 | FUEL CELL STACK - A fuel cell stack includes a first separator including a sandwiching section for sandwiching an electrolyte electrode assembly, a fuel gas supply section, and a first load absorbing mechanism for absorbing a load applied in a stacking direction. A fuel gas supply passage extends through the fuel gas supply section in the stacking direction, and the first load absorbing mechanism is provided in the fuel gas supply section. The first load absorbing mechanism includes coupling members and seal members. The coupling members couple fuel gas supply sections of a pair of the first separators together, and have spring property for absorbing the load in the stacking direction. The seal members prevent leakage of the fuel gas from the fuel gas supply section. | 09-19-2013 |
20130266883 | FLAT-TUBULAR SOLID OXIDE CELL STACK - Disclosed herein is a flat-tubular solid oxide cell stack in which the pathway of chemical reactions is long and the temperature and flow rate of feed gas are maintained at uniform levels, thus the efficiency of electrical energy generation is increased when the cell stack is used as a fuel cell, and the purity of generated gas (hydrogen) is increased when the cell stack is used as a high-temperature electrolyzer. | 10-10-2013 |
20140011110 | FUEL BATTERY CELL - A fuel battery cell C includes a membrane electrode assembly | 01-09-2014 |
20140093805 | SOLID OXIDE FUEL CELL STACK WITH UNIFORM FLOW DISTRIBUTION STRUCTURE AND METAL SEALING MEMBER - A solid oxide fuel cell stack with a uniform flow distribution structure and a metal sealing member is provided, in which fuel and air introduced into the solid oxide fuel cell stack are preheated to a predetermined temperature by heat exchangers provided therein and uniformly distributed over the entire anode and cathode reaction surfaces of unit cells to improve the use efficiency of a fuel cell and in which the sealing of the fuel cell stack is effectively maintained even under high temperature and high pressure conditions to ensure the safety of the fuel cell and increase its durability. | 04-03-2014 |
20140162162 | Fuel Cell System Hot Box Insulation - A method of insulating a base portion of a fuel cell system including pouring an insulation that can be poured to fill at least 30 volume % of a base portion cavity of the fuel cell system housing through an opening in a sidewall of the housing. The base portion cavity of the housing is located between a bottom wall of the housing and a stack support base plate located in the housing. The stack support base plate supports one or more columns of fuel cell stacks. | 06-12-2014 |
20140186739 | MICRO-TUBULAR SOLID OXIDE FUEL CELL ARRANGEMENT - A micro-tubular solid oxide fuel cell arrangement includes two micro-tubular elements having a tubular inner electrode, covered on its outer surface with an electrolyte, the electrolyte being covered on its outer surface with a tubular outer electrode; and a connection element arranged between the micro-tubular elements for connecting one end of one micro-tubular element to one end of the other micro-tubular element, where the micro-tubular element has a first end portion with an inner cone arranged in the tubular inner electrode and a second end portion with an outer cone arranged in the tubular outer electrode, where the connection element comprises a metallic interconnector plate having a first side and an opposite second side, where the plate is provided with at least one hole); a first metallic connector on the first side and arranged around the hole and a second metallic connector on the second side and arranged around the hole.” | 07-03-2014 |
20140234743 | FUEL CELL STACK - A fuel cell stack is formed by stacking a plurality of fuel cells in a stacking direction, and at both ends in the stacking direction of the fuel cells, a first end plate and a second plate are provided. An oxygen-containing gas supply connection pipe connected to an oxygen-containing gas supply passage is attached to the first end plate. In the oxygen-containing gas supply connection pipe, the opening cross sectional area of an intermediate pipe portion is larger than the opening cross sectional area of an oxygen-containing gas inlet and the opening cross sectional area of an oxygen-containing gas outlet. | 08-21-2014 |
20140335436 | FUEL CELL - A fuel cell has a membrane electrode assembly including an electrolyte membrane, catalyst layers disposed on both sides of the electrolyte membrane, and three or more layers of porous bodies disposed on a front surface side of the catalyst layer, a frame body surrounding an outer periphery of the electrolyte membrane, and a separator that partitions and forms a gas passage between the membrane electrode assembly and the separator. Extended portions are provided at an outer edge of a first porous body adjacent to the separator among the three layers of the porous bodies, and at an outer edge of a second porous body adjacent to the first porous body, respectively, so as to extend to be superimposed over the frame body. The extended portions of the first and second porous bodies intervene between the frame body and the separator. | 11-13-2014 |
20140342263 | PLANAR SOLID OXIDE FUEL CELL STACK AND ITS INTERCONNECT THEREOF - A planar solid oxide fuel cell stack which can expand in both the vertical and horizontal directions is disclosed. The planar solid oxide fuel cell stack comprises an interconnect which consists of an interconnect body, a first flowing area and a second flowing area, wherein the first and the second flowing area are disposed on opposite side of the interconnect body, and have one gas inlet and two gas outlets, respectively. By employing multiple hexagonal interconnects for cell stack expanding in the horizontal direction, each three stacks can share the same pipeline of the flow channel, thereby reaching the goals of reducing the space and materials required and system complexity as well. | 11-20-2014 |
20150064594 | HEATER AND SUPPORTING STRUCTURE THEREOF - A heater includes a heater housing with a support plate secured to one end. A fuel cell stack assembly is disposed within the heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent. The fuel cell stack assembly includes a fuel cell manifold for receiving the fuel and distributing the fuel to the plurality of fuel cells and for receiving the oxidizing agent and distributing the oxidizing agent to the plurality of fuel cells. A fuel supply conduit supplies the fuel to the fuel cell manifold and an oxidizing agent supply conduit supplies the oxidizing agent to the fuel cell manifold. The fuel cell stack assembly is supported on the support plate by one of the fuel supply conduit and the oxidizing agent supply conduit. | 03-05-2015 |
20150099206 | Redox Flow Battery System for Distributed Energy Storage - A large stack redox flow battery system provides a solution to the energy storage challenge of many types of renewable energy systems. Independent reaction cells arranged in a cascade configuration are configured according to state of charge conditions expected in each cell. The large stack redox flow battery system can support multi-megawatt implementations suitable for use with power grid applications. Thermal integration with energy generating systems, such as fuel cell, wind and solar systems, further maximize total energy efficiency. The redox flow battery system can also be scaled down to smaller applications, such as a gravity feed system suitable for small and remote site applications. | 04-09-2015 |
20150125776 | FUEL CELL STACK AND A METHOD OF ASSEMBLING A FUEL CELL STACK - A fuel cell stack ( | 05-07-2015 |
20160049674 | FUEL CELL STACK, FUEL CELL STACK COMPOSITE, AND FUEL CELL SYSTEM - Provided is a fuel cell stack, comprising: a first fuel cell including a first membrane electrode assembly, and a first fuel supply portion having a first in-cell fuel flow channel; a second fuel cell arranged on a main surface of the first fuel cell, and including a second membrane electrode assembly and a second fuel supply portion having a second in-cell fuel flow channel; and a fuel distribution portion including a liquid fuel inlet, a main flow channel connected thereto, and first and second branched flow channels connecting an end of the main flow channel with the first and second in-cell fuel flow channels, respectively, wherein a total length of the first branched flow channel and the first in-cell fuel flow channel is substantially identical to that of the second branched flow channel and the second in-cell fuel flow channel. Also provided is a fuel cell system using the stack. | 02-18-2016 |
20160172703 | FUEL CELL STACK ASSEMBLY | 06-16-2016 |
20160201207 | APPARATUS AND METHOD FOR FEEDING A MULTI-PHASE MIXTURE OF REACTANTS TO AN ELECTROCHEMICAL REACTOR | 07-14-2016 |