Including Heat Exchange Means Patents (Class 429/434)
  • Patent number: 10153498
    Abstract: An anode-side separator 120 includes first grooves 202 and second grooves 204 that are located alternately in a separator central region 121 opposed to a power generation region 112 of a MEGA 110 by formation of a plurality of pit-and-bump stripes provided by press molding. The first grooves 202 extend in the separator central region 121 on the gas surface side of the anode-side separator 120, while the second grooves 204 extend in the separator central region 121 on the cooling surface side opposite to the as surface side. Terminal first grooves 202t that are first grooves 202 extending on the outer edge portion 123 side outside the separator central region have lower terminal-side rising height Ht than the other first grooves 202 positioned on the separator central region 121 side.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: December 11, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Norishige Konno
  • Patent number: 10141617
    Abstract: A power plant system is provided having a high temperature battery, supplied with fluid via at least one supply line, for storing and releasing electrical energy, a gas turbine for generating electrical energy, and a heat exchanger which is designed to extract thermal energy from the exhaust stream of the gas turbine and transfer said thermal energy to the fluid, which fluid can be supplied after heat transfer to the high temperature battery via the at least one supply line.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: November 27, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Marc Hanebuth, Sylvio Kosse, Uwe Lenk
  • Patent number: 10141595
    Abstract: A fuel cell stack includes a stacked body including a plurality of power generation cells stacked in a stacking direction. Insulation members and end plates are provided to sandwich the stacked body therebetween in the stacking direction. A coolant passage is provided between each of the insulation members and each of the end plates. The coolant passage includes a first coolant passage and a second coolant passage. A surface area of a region in which the first coolant passage is provided is larger than a surface area of a region in which the second coolant passage is provided. A flow rate of the coolant flowing through the first coolant passage is larger than a flow rate of the coolant flowing through the second coolant passage.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: November 27, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuta Ikeda, Naoki Yamano, Yoshihito Kimura, Tadashi Nishiyama
  • Patent number: 10135086
    Abstract: A redox flow battery including: a cathode cell including a cathode, a catholyte, and a bipolar plate; an anode cell including an anode, an anolyte, and a bipolar plate; and an ion exchange membrane interposed between the cathode cell and the anode cell, wherein at least one of the cathode and the anode comprises a carbon-coated metal foam, wherein the ion exchange membrane includes a porous substrate and a polymer disposed in pores of the porous substrate, wherein the polymer is a polymerization product of a composition for preparing an ion exchange membrane, and wherein the composition for preparing an ion exchange membrane includes a first aromatic vinyl monomer including a halogenated alkyl group or a quaternary ammonium group, and wherein the bipolar plate includes Ni, Cu, Fe, Cr, Al, W, Ti, or a mixture thereof, or an alloy thereof.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: November 20, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Dooyeon Lee, Kijae Kim, Dukjin Oh, Jiyoung Jeong
  • Patent number: 10128722
    Abstract: An electrical connection structure includes a first conductor, a second conductor, and a conductive spring. The first conductor includes a first plate. The second conductor includes a second plate opposite to the first plate. The conductive spring is provided between the first plate and the second plate so as to be pressed by the first plate and the second plate. The conductive spring includes a plurality of first contact points contacting with the first plate and a plurality of second contact points contacting with the second plate.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: November 13, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yusuke Goto, Hiroo Yamaguchi, Hiroshi Otsuka, Nobuchika Ukai
  • Patent number: 10122024
    Abstract: A bipolar plate (10) for a fuel cell, including a first half plate (20) having a first thickness (21) and a second half plate (30) having a second thickness (31), the first half plate (20) and the second half plate (30) each being situated with one of their flat sides facing one another, and the first half plate (20) forming a first flow field (22) on its outer side for a first operating medium and the second half plate (30) forming a second flow field (32) on its outer side for a second operating medium is provided. It is provided that the first thickness (21) of the first half plate (20) is on average smaller, at least in sections, than the second thickness (31) of the second half plate (30).
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: November 6, 2018
    Assignee: Volkswagen AG
    Inventors: Ian Stewart, Christian Martin Zillich, Torsten Schwarz
  • Patent number: 10118491
    Abstract: A control method for a fuel cell vehicle includes a failure determining step of determining whether or not a failure exists in a fuel cell system. A safe driving step stops an operation of the fuel cell system and drives the vehicle using only a high voltage battery system when the failure exists in the fuel cell system. A temporary stopping step determines a driving state of the vehicle and temporarily stops an operation of the high voltage battery system when it is determined that the driving state is a stop state. A re-driving step re-operates the high voltage battery system to restart the vehicle when the driving state is converted into a start state.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: November 6, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Min Hyun Roh
  • Patent number: 10115981
    Abstract: An oxygen-containing gas discharge manifold member is provided for a first end plate of a fuel cell stack. The oxygen-containing gas discharge manifold member has a first opening connected to a non-circular oxygen-containing gas discharge passage and a second opening connected to a circular external pipe. In a front view of the first end plate, in an area where the opening shape of the first opening and the opening shape of the second opening are overlapped with each other a sensing part is provided.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: October 30, 2018
    Assignee: Honda Motor Co., Ltd.
    Inventors: Motohiro Takahashi, Hiroaki Ohta
  • Patent number: 10115044
    Abstract: An image processing system includes a reception unit configured to receive an input of authentication information from a user, an authentication unit configured to authenticate the user based on the authentication information received by the reception unit, a setting unit configured to set a destination of image data, an operation key configured to set a folder of the user as a destination of the image data, and a transmission unit configured to send the image data to a destination set by the setting unit. The image processing system performs control not to allow a destination setting using the operation key, in the case where a destination to be set by the setting unit is limited to a destination to be set using the operation key and a folder to be set in response to an operation of the operation key is the one to be registered by the user.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: October 30, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshihide Terao
  • Patent number: 10084193
    Abstract: A device for preventing over pressure of a cooling system of a fuel cell system is provided. The device detects a change in a temperature of a coolant discharged from a fuel cell stack and prevents over pressure of the cooling system before pressure of the coolant is elevated by the increase in the temperature. In particular, a coolant pump circulates a coolant to a fuel cell stack, a radiator radiates heat absorbed in the coolant, and a temperature sensor detects a temperature of the coolant discharged from the fuel cell stack the device. The system further includes an electronic valve mounted in a pillar neck of the radiator connected with a reservoir for supplementing a coolant to open and close the pillar neck and a fuel cell controller that operates the electronic valve based on a signal of the temperature sensor.
    Type: Grant
    Filed: December 7, 2014
    Date of Patent: September 25, 2018
    Assignee: Hyundai Motor Company
    Inventors: Su Dong Han, Hyung Kook Kim, Hun Woo Park
  • Patent number: 10069156
    Abstract: A fuel cell that includes a membrane-electrode assembly and separation plates disposed on both sides of the membrane-electrode assembly is provided. The fuel cell includes barrier ribs formed in reaction surfaces of the separation plates corresponding to the membrane-electrode assembly and configured to partition the reaction surfaces into a plurality of reaction regions. A micropore body is installed between the separation plate and the membrane-electrode assembly. The micropore body includes porous units disposed in the reaction region, and a connection unit integrally coupled to the porous units and flatly contacts the barrier ribs.
    Type: Grant
    Filed: October 24, 2015
    Date of Patent: September 4, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Mun Jin, Yoo Chang Yang
  • Patent number: 10056637
    Abstract: A fuel cell stack includes a plurality of fuel cells arranged in a stack configuration extending along a z-axis, wherein each fuel cell includes a membrane electrode assembly interposed between a pair of bipolar plates, and each membrane electrode assembly has a total active area measured in an x-y plane that is generally perpendicular to the z-axis. Each bipolar plate includes a plurality of common passages extending generally parallel to the z-axis. The total active area of each membrane electrode assembly includes a plurality of base active areas arranged co-planar in the x-y plane along an x-axis.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 21, 2018
    Assignee: Nuvera Fuel Cells, LLC
    Inventors: Filippo Gambini, Amedeo Conti, Scott Blanchet
  • Patent number: 10041178
    Abstract: An end pressure plate is provided for an electrochemical cell stack or an electrolyzer module. The end pressure plates comprise a load transfer plate for maintaining even pressure over the faces of the structural plates, and a backing plate for supporting load transferred from the load transfer plate.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: August 7, 2018
    Assignee: Next Hydrogen Corporation
    Inventor: Chris Wilson
  • Patent number: 10038203
    Abstract: A separator plate in an air-cooled fuel cell comprises a series of airflow channels, each channel extending longitudinally between first and second opposing edges of the separator plate. Each channel has a cross-sectional profile defining an airflow cross-section at points along the length of the channel, and at least selected ones of the channels each have a thermally conductive structure extending into the channel cross-section at selected intermediate longitudinal positions of the channel. The positions are disposed over an active area of the fuel cell, to locally enhance heat transfer from the active area via the plate to airflow moving through the channel.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 31, 2018
    Assignee: Intelligent Energy Limited
    Inventors: Christopher James Gurney, Paul Leonard Adcock, Carl Christie, Lydia Jowsey, Simon Stevenson, Christopher Conlon
  • Patent number: 10033058
    Abstract: Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: July 24, 2018
    Assignee: NISSAN MOTOR CO., LTD.
    Inventor: Shigetaka Uehara
  • Patent number: 10033061
    Abstract: An end plate for a fuel cell is provided in which a main block is configured to form a body and support a fuel cell at a predetermined pressure and a subplate is configured to include a material having reducibility higher than that of the main block and to adhere to one side of the main block. Additionally, an insulating part encloses the main block and the subplate.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: July 24, 2018
    Assignee: Hyundai Motor Company
    Inventors: Yong Suk Heo, Jung Do Suh, Duck Whan Kim
  • Patent number: 10020520
    Abstract: The invention relates to a bipolar plate (10) for a fuel cell (100), comprising—an internal coolant flow field (33), which comprises a coolant channel (43), and—a first and a second flat side (11, 12) with a first and second reactant flow field (31, 32) respectively, which has at least one first and second channel structure (41, 42) respectively, wherein—the first and the second channel structure (41, 42) each form a trunk channel (44) and branch channels (46), wherein the branch channels (46) branch off in a branching region (48) from the respective trunk channel (44), and a first intermediate region (51) is formed between the branch channels (46) of the first channel structure (31), and a second intermediate region (52) is formed between the branch channels (46) of the second channel structure (32), wherein normal projections of the first and second intermediate region (51, 52) onto a center plane (56) of the bipolar plate (10), which center plane is arranged between the two flat sides (11, 12) of the bipol
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 10, 2018
    Assignees: Volkswagen AG, Audi AG
    Inventors: Matej Kusy, Ian Stewart, Brian Dickson
  • Patent number: 10003099
    Abstract: A fuel cell stack includes a plurality of power generation units, a reactant gas channel, and a coolant channel. The plurality of power generation units are stacked in a stacking direction to provide a stacked body and each includes a first separator, a first electrolyte electrode assembly, a second separator, a second electrolyte electrode assembly, and a third separator. The first electrolyte electrode assembly is provided on the first separator. The second separator is provided on the first electrolyte electrode assembly. The second electrolyte electrode assembly is provided on the second separator. The first electrolyte electrode assembly and the second electrolyte electrode assembly each include an electrolyte and a pair of electrodes sandwiching the electrolyte therebetween. The third separator is provided on the second electrolyte electrode assembly.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: June 19, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Eri Terada, Kentaro Ishida, Shuhei Goto, Tsuyoshi Kobayashi
  • Patent number: 10003089
    Abstract: The present disclosure includes a fuel cell bipolar plate including a coating and methods for forming the coating. The bipolar plate may include a steel substrate and a coating contacting the steel substrate. The coating may include a plurality of alternating oxide-forming layers and elution resistant layers. The oxide-forming layers may include pure titanium, doped titanium, or a titanium alloy (e.g. doped/alloyed with niobium, zirconium, vanadium, silver, tantalum, yttrium, scandium, or nitrogen) and the elution resistant layers may include a noble metal or tantalum (e.g., gold, iridium, ruthenium, or tantalum). There may be 2-20 layers each of the oxide-forming layers and the elution resistant layers. The coating may prevent elution of iron ions from the steel substrate, for example, by forming oxide plugs in defects or pinholes in the oxide forming and/or elution resistant layers. The coating may also reduce the total usage of precious metals, such as gold.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: June 19, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Mark Stephen Ricketts, Shinichi Hirano, Jun Yang, Kerrie K. Gath, Chunchuan Xu
  • Patent number: 10002755
    Abstract: A process is provided for depositing a substantially amorphous titanium oxynitride thin film that can be used, for example, in integrated circuit fabrication, such as in forming spacers in a pitch multiplication process. The process comprises contacting the substrate with a titanium reactant and removing excess titanium reactant and reaction byproducts, if any. The substrate is then contacted with a second reactant which comprises reactive species generated by plasma, wherein one of the reactive species comprises nitrogen. The second reactant and reaction byproducts, if any, are removed. The contacting and removing steps are repeated until a titanium oxynitride thin film of desired thickness has been formed.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: June 19, 2018
    Assignee: ASM IP HOLDING B.V.
    Inventors: Viljami J. Pore, Seiji Okura, Hidemi Suemori
  • Patent number: 9991526
    Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: June 5, 2018
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Martin Perry, David Edmonston
  • Patent number: 9972857
    Abstract: The invention relates to a method of storing, transporting and supplying electrochemical energy, with storage and supply being physically separated.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: May 15, 2018
    Assignee: BASF SE
    Inventors: Christoph Übler, Dietmar Bender, Moritz Ehrenstein, Andreas Fischer, Günther Huber
  • Patent number: 9972850
    Abstract: An exemplary fuel cell component includes a generally planar body having a total area defined by a length and width of the body. A first portion of the total area is occupied by a first fuel cell features that renders the first portion unusable for at least one fuel cell function. A second portion of the total area is occupied by a second fuel cell feature that renders the second portion unusable for the fuel cell function. A third portion of the total area is considered an active area of the component that is useful for the fuel cell function. An aspect ratio of the length to the width of the generally planar body is dependent on a dimension of the first portion and a dimension of the second portion.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: May 15, 2018
    Assignee: Audi AG
    Inventors: Jonathan Daniel O'Neill, Timothy W. Patterson
  • Patent number: 9972849
    Abstract: According to an aspect of the present invention, there is provided a collector member 10 comprising a sheet-shaped base material 11 having a carbon-containing fiber 11a and catalyst particles 12 adhered to an outer periphery of the fiber 11a, containing a noble metal or an alloy thereof, and having an average particle diameter of 0.1 to 2 ?m.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 15, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Mutsuki Yamazaki, Yoshihiko Nakano, Wu Mei
  • Patent number: 9954244
    Abstract: An apparatus is provided to stack a fuel cell stack by pressurizing a separating plate component including a membrane-electrode assembly (MEA) sheet component, in which gas diffusion layers are bonded to both surfaces of an MEA, respectively. The apparatus include a component aligning unit connected to a completion end of a component transfer route of a conveyor to align the separating plate component and the MEA sheet component transferred by the conveyor to predetermined positions. A component stacking unit is installed at the component aligning unit side, and is configured to grip the separating plate component and the MEA sheet component and stack the components on a stack guide. A component pressurizing unit is installed at an upper side of a transfer route, through which the stack guide is transferred, and is configured to pressurize the separating plate component and the MEA sheet component stacked on the stack guide.
    Type: Grant
    Filed: September 13, 2015
    Date of Patent: April 24, 2018
    Assignee: Hyundai Motor Company
    Inventors: HoKyun Ju, Yoon Jang
  • Patent number: 9947946
    Abstract: An integrated gas management device (GMD) for a fuel cell comprises a gas-to-gas humidifier for transferring water from a second gas to a first gas; a heat exchanger attached to a first end of the humidifier core for cooling the first gas; and/or a water separator attached to a second end of the humidifier core for removing liquid water from the second gas. The GMD may optionally comprise a thermal isolation plate between the heat exchanger and the first end of the humidifier core. The GMD further comprises a bypass line to allow the first gas to bypass the humidifier. The first gas may comprise cathode charge air and the second gas may comprise cathode exhaust.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: April 17, 2018
    Assignee: Dana Canada Corporation
    Inventors: Doug Vanderwees, Michael Bardeleben, Raimund Stroebel, Joachim Scherer, Rainer Glueck
  • Patent number: 9929419
    Abstract: A device and a method for monitoring dryness of a fuel cell stack can accurately determine whether the fuel cell stack is dry or not, to ensure smooth operation and performance of the fuel cell stack during operation of a fuel cell vehicle. The device includes a voltage sensing unit that monitors voltage of the fuel cell stack in real time; a current sensing unit that monitors current of the fuel cell stack in real time; a counting unit that compares the monitored voltage with a standard current-voltage performance curve; and a stack dryness determining unit that determines that the fuel cell stack is dry when a count determined by the counting unit is a standard level or more.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: March 27, 2018
    Assignee: Hyundai Motor Company
    Inventor: Sung Mun Cho
  • Patent number: 9917324
    Abstract: Embodiment of a system for generating electric power with micro fuel cells comprising at least one first micro cell and at least one second micro cell, each micro cell having an anode and a cathode with a membrane being sandwich-wise interposed, the system comprising a spacer element having an annular element that surrounds a cavity, said spacer element being associated with said anode of said first micro cell and with said anode of said second micro cell to realize a common diffusion chamber for the fuel of said first micro cell a of said second micro cell.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: March 13, 2018
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Giuseppe Emanuele Spoto, Andrea Lazzara, Cristian Dall'Oglio
  • Patent number: 9917310
    Abstract: Gas flow channels are provided between protrusions arranged in parallel on a first surface of a partition wall of a gas flow channel forming body, and water introduction channels are provided in valleys on the opposite side of each protrusion, on a second surface. In order to allow the gas flow channels and the water introduction channels to communicate so that water can pass there through, communication channels is provided to the partition wall. Intermediate structures are correspondingly provided inside the water introduction channels to the communication channels. A set of communication channels is formed by a pair of communication channels positioned at a first interval. A set of communication channels and another set of communication channels adjacent thereto are positioned on each protrusion with a second interval therebetween.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: March 13, 2018
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Keiji Hashimoto, Kousuke Kawajiri, Satoshi Futami
  • Patent number: 9899697
    Abstract: A manifold block assembly for a fuel cell vehicle mounted on a fuel cell stack and supplying air and hydrogen to the stack, includes a manifold block in which a hydrogen discharge path connected to a hydrogen line formed in the stack, an air discharge path connected to an air line formed in the stack, and a watertight bulkhead are integrally formed with each other. The manifold block assembly further includes a hydrogen inflow pipe configured to be attached to the manifold block and connected to the hydrogen line formed in the stack. The manifold block assembly also includes an air inflow pipe configured to be attached to the manifold block and connected to the air line formed in the stack.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: February 20, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Duck Whan Kim
  • Patent number: 9830545
    Abstract: An image processing system includes a reception unit configured to receive an input of authentication information from a user, an authentication unit configured to authenticate the user based on the authentication information received by the reception unit, a setting unit configured to set a destination of image data, an operation key configured to set a folder of the user as a destination of the image data, and a transmission unit configured to send the image data to a destination set by the setting unit. The image processing system performs control not to allow a destination setting using the operation key, in the case where a destination to be set by the setting unit is limited to a destination to be set using the operation key and a folder to be set in response to an operation of the operation key is the one to be registered by the user.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: November 28, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshihide Terao
  • Patent number: 9831516
    Abstract: A fuel cell includes a membrane electrode assembly, a separator, a reactant gas channel, a reactant gas manifold, and a buffer portion. The buffer portion includes a first buffer region and a second buffer region. The second buffer region is located in a vicinity of the reactant gas manifold and is deeper than the first buffer region in a stacking direction. Embossed portion groups are arranged in a plurality of rows in the second buffer region between the reactant gas manifold and the first buffer region. Each of the embossed portion groups includes a plurality of embossed portions. A disposition density of the plurality of embossed portions of one of the embossed portion groups in a vicinity of the reactant gas manifold is lower than a disposition density of the plurality of embossed portions of another of the embossed portion groups in a vicinity of the first buffer region.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: November 28, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kentaro Ishida, Kenji Nagumo, Yoshihito Kimura, Yu Tomana
  • Patent number: 9825313
    Abstract: A fuel cell stack has a plurality of laminated cell units, with each of the cell units including a membrane electrode assembly sandwiched between two separators, and cooling fluid passage channels are formed between each adjacent cell units for flowing cooling fluid. Displacement absorbing members have a plurality of displacement absorbing projections that absorb displacement along a laminated direction of the cell unit and are provided in the cooling fluid passage channels. The displacement absorbing projections of the displacement absorbing members are disposed so as to cancel out any bending moments generated on the cell unit.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: November 21, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Keita Iritsuki, Yosuke Fukuyama
  • Patent number: 9803290
    Abstract: A high temperature steam electrolysis or fuel cell electric power generating facility, including at least two electrochemical reactors fluidly connected in series to each other by their cathode compartment(s). At least one heat exchanger is arranged between two reactors in series, a primary circuit of the heat exchanger being connected to an external heat source configured to provide heat to fluid(s) at an outlet of an upstream reactor prior to be introduced at an inlet of a downstream reactor.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: October 31, 2017
    Assignee: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventor: Luc Bertier
  • Patent number: 9806368
    Abstract: The invention relates to a strip of fuel cell components comprising a plurality of fuel cell components spaced apart in a first direction and a support structure connected to the plurality of fuel cell components. The plurality of fuel cell components comprise a first surface. The support structure comprises two lateral fold regions between adjacent fuel cell components such that the support structure is foldable in order for the first surfaces of the plurality of fuel cell components to face in the same direction when folded.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: October 31, 2017
    Assignee: Intelligent Energy Limited
    Inventor: Antony Richard Wilson
  • Patent number: 9799898
    Abstract: A fuel cell is provided with a power generation unit; the power generation unit is provided with a first metal separator, a first electrolyte membrane/electrode structure, a second metal separator, a second electrolyte membrane/electrode structure, and a third metal separator. The first electrolyte membrane/electrode structure is provided with a first resin frame member at the outer periphery, and the first resin frame member is provided with an inlet buffer section positioned outside a power generation region and coupled to a first oxidant gas flow path, and a protruding section, which is one part of an inlet coupling flow path coupling together the inlet buffer section and an oxidant gas inlet communication hole.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: October 24, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventors: Kentaro Ishida, Shuhei Goto
  • Patent number: 9776873
    Abstract: Provided are carbon nanotubes that allow effective utilization of the insides thereof as-synthesized, without undergoing opening formation treatment. The provided carbon nanotubes have not undergone opening formation treatment and exhibit a convex upward shape in a t-plot obtained from an adsorption isotherm.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: October 3, 2017
    Assignee: ZEON CORPORATION
    Inventors: Hirokazu Takai, Mitsugu Uejima
  • Patent number: 9780387
    Abstract: A unit cell of a fuel cell includes a membrane electrode assembly and a cathode side separator and an anode side separator sandwiching the membrane electrode assembly. An oxygen-containing gas supply passage connected to an oxygen-containing gas flow field is formed in the cathode side separator. The oxygen-containing gas supply passage has a rectangular shape extending in a flow field width direction of the oxygen-containing gas flow field. The width of the opening of the oxygen-containing gas supply passage on the short side is increased from the end side to the central side in the flow field width direction.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: October 3, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masaharu Suzuki
  • Patent number: 9774044
    Abstract: A flow battery stack includes a plurality of flow battery cells, a manifold and a heat exchanger. Each flow battery cell includes an electrode layer that is wet by an electrolyte solution having a reversible redox couple reactant. The manifold includes a solution passage that exchanges the electrolyte solution with the flow battery cells. The heat exchanger includes a heat exchange fluid passage. The heat exchanger exchanges heat between the electrolyte solution in the solution passage and a heat exchange fluid directed through the heat exchange fluid passage. The flow battery cells, the manifold and the heat exchanger are arranged between first and second ends of the flow battery stack.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: September 26, 2017
    Assignee: United Technologies Corporation
    Inventors: Michael L. Perry, Arun Pandy, Jinlei Ding
  • Patent number: 9768464
    Abstract: A strip of fuel cell components (200) comprising: a plurality of fuel cell components (202) spaced apart in a first direction; an indexing structure (210) connected to the plurality of fuel cell components, the indexing structure configured to define the position of one of the plurality of fuel cell components in the first direction; wherein the indexing structure is made from a different material to the plurality of fuel cell components. A component transfer mechanism for transferring a fuel cell sub-component to a substrate, using a roller and transfer tape. A strip of fuel cell components with a sub-component which is rotatable about a pivot. An apparatus and a method for assembling a fuel cell by applying a sub-component to an underside of a strip moving on a conveyor.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: September 19, 2017
    Assignee: Intelligent Energy Limited
    Inventors: Antony Richard Wilson, Mustafa Altaf Husain Karampurwala, Richard Albert Peart
  • Patent number: 9735436
    Abstract: A separator for a fuel cell includes a thin metal plate, protrusions that are formed on the metal plate to be close to each other, and gas passages formed by the protrusions. Each gas passage has a first opening corresponding to an inlet and a second opening corresponding to an outlet. The gas passages include a first gas passage, which has a relatively low pressure loss of gas flow, and a second gas passage, which has a relatively high pressure loss of gas flow. The area of the first opening of the first gas passage is set to be smaller than the area of the first opening of the second gas passage.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: August 15, 2017
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Kazuyuki Hirata
  • Patent number: 9728790
    Abstract: Systems and methods are disclosing providing for a fuel cell (“FC”) stack assembly utilizing bus bars that accommodate for variations in FC stack heights during assembly. In some embodiments, bus bars consistent with embodiments disclosed herein may be integrally formed with terminal plates out of a single piece of conductive material. Further embodiments of the bus bars disclosed herein may include structures configured to facilitating cooling of the bus bars during operation of the FC system.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: August 8, 2017
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: David A. Martinchek, David A. Southwick
  • Patent number: 9728827
    Abstract: Each air battery stacked in a battery pack includes a cathode layer, an anode layer, an electrolyte layer and a frame member having electrical insulation properties and surrounding at least outer circumferences of the electrolyte layer and the cathode layer. The cathode layer includes a fluid-tight air-permeable member located at a cathode surface thereof and having, when viewed in plan, an outer circumferential edge portion situated outside of the outer circumference of the electrolyte layer. The frame member includes a holding portion located a cathode side thereof so as to hold the outer circumferential edge portion of the fluid-tight air-permeable member. The outer circumferential edge portion of the fluid-tight air-permeable member is adapted as a compressed region to which a compressive load is applied in a thickness direction thereof. By this structure, it is possible to achieve both of thickness reduction and high electrolyte sealing performance.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: August 8, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Atsushi Miyazawa, Tomokatsu Himeno, Keita Iritsuki, Mori Nagayama
  • Patent number: 9705139
    Abstract: A method for forming seals in a fuel cell stack includes a step of screen printing a first sealing layer on a first flow field plate. The first sealing layer defines a first pattern and has a first predetermined sealing layer thickness. A multilayer seal is formed by screen printing a second sealing layer over the first sealing layer. The second sealing layer defines a second pattern and has a second predetermined sealing layer thickness. A third sealing layer is screen printed over a first side of a second flow field plate and has a third predetermined sealing layer thickness. A fourth sealing layer is screen printed over a second side of the second flow field plate having a fourth predetermined sealing layer thickness. The first flow field plate and the second flow field plate are combined to form flow channels for guiding reactants a fuel cell catalyst layers.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: July 11, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Steven G. Goebel, Jeffrey A. Rock, Anita Luong
  • Patent number: 9692058
    Abstract: This electrode for fuel cell comprises: carbon nanotubes; a catalyst for fuel cell supported on the carbon nanotubes; and an ionomer provided to coat the carbon nanotubes and the catalyst for fuel cell, wherein when a length of the carbon nanotubes is represented by La [?m] and an inter-core pitch of the carbon nanotubes is represented by Pa [nm], the length La and the inter-core pitch Pa satisfy two expressions given below: 30?La?240; and 0.351×La+75?Pa?250.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: June 27, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigeki Hasegawa, Shigeaki Murata, Masahiro Imanishi, Ryoichi Namba
  • Patent number: 9660283
    Abstract: A current measurement device includes a measurement part that is constituted by including a resistance part having a predetermined electric resistance value and a pair of current collector parts for extracting a potential difference generated by a current that flows the resistance part; a potential difference detector that is connected to the pair of current collector parts and detects a potential difference generated in the resistance part; and a current detector that detects the current that flows through the inside of a fuel cell. The measurement part is disposed to be integrated with one separator of the pair of separators and the pair of current collectors is disposed so as to overlap with the resistance part when seen from a direction orthogonal to the stacking direction of the cells.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: May 23, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuji Ishikawa, Ikuyasu Kato, Takashi Yamamoto, Takashi Yamada, Keigo Suematsu
  • Patent number: 9653747
    Abstract: A fuel cell is formed by stacking a plurality of unit cells. Each of the unit cells includes a membrane electrode assembly, and an anode side metal separator and a cathode side metal separator sandwiching the membrane electrode assembly therebetween. In a surface of the cathode side metal separator, metal portions are exposed in at least part of a second flat portion in an area surrounded by seal lines SL of the anode side metal separator. Cutouts are formed on a surface of the cathode side metal separator by cutting at least part of the second flat portion up to the metal portions thereby to expose the metal portions through the cutouts.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: May 16, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yasuhiro Watanabe, Masaaki Sakano, Satoru Terada
  • Patent number: 9640809
    Abstract: An ion filter roof structure of a fuel cell for a vehicle is provided and includes a controller that is connected to a heater, a pump, a 4-way valve, and a radiator disposed within a fuel cell for a vehicle. In addition, a thermal management system of the ion filter roof structure includes an ion filter and a fuel cell stack connected to the controller to form an ion filter roof. Based on this structure, during high output, a cooling performance of the vehicle is improved, durability of the ion filter is improved, and a pump operation is decreased to improve fuel efficiency.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: May 2, 2017
    Assignees: Hyundai Motor Company, Kia Motor Corporation
    Inventors: Sung Wook Na, Hun Woo Park
  • Patent number: 9634336
    Abstract: A first end plate of a fuel cell stack has a coolant supply manifold and a coolant discharge manifold. The coolant supply manifold includes a pair of manifold sections and a supply coupling section coupling upper portions of the pair of supply manifold sections. The pair of supply manifold sections communicate with a pair of coolant supply passages of the first end plate. A coolant supply pipe is coupled to a lower end of one of the supply manifold sections with an inclination of a predetermined angle from a vertical direction toward a horizontal direction.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: April 25, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masaharu Suzuki
  • Patent number: 9623766
    Abstract: A control method of a fuel cell system includes generating electricity in a fuel cell through reaction of an oxidant gas and a fuel gas so as to output a fuel cell voltage. An electric storage device voltage is outputted from an electric storage device. The electric storage device voltage serves as a primary side voltage. A motor driving voltage serves as a secondary side voltage and is to be applied to a motor driving device to drive a motor. The secondary side voltage is applied to an air pump driving device to drive an air pump so as to supply the oxidant gas to the fuel cell. A required air pump voltage to apply to the air pump driving device is set in accordance with a target generated electric power of the fuel cell. The secondary side voltage is set so as to satisfy the required air pump voltage.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: April 18, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Shuichi Kazuno