By Electrolysis Patents (Class 429/418)
  • Patent number: 10756376
    Abstract: A hydrogen supply system includes: an electrochemical hydrogen pump including an electrolyte membrane, an anode and a cathode provided to a first and second main surfaces of the electrolyte membrane, respectively, an anode flow path and cathode flow path through which hydrogen flows, and a voltage applicator applying a voltage between the anode and cathode, pressurizing and sending hydrogen supplied to the anode via the anode flow path to the cathode by applying a voltage by the voltage applicator, and supplying the pressurized hydrogen in the cathode flow path to a hydrogen reservoir; a pressure adjuster adjusting a cathode flow path pressure; and a controller controlling the pressure adjuster and making the cathode flow path pressure higher than an anode flow path pressure before starting a hydrogen pressurization action for pressurizing and supplying hydrogen supplied to the anode flow path to the cathode flow path.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hidenobu Wakita, Kunihiro Ukai, Osamu Sakai, Yoichiro Tsuji
  • Patent number: 10749201
    Abstract: A regenerative fuel cell produces hydrogen that is stored in a reservoir on the storage side of a membrane electrode assembly when operating in a hydrogen pumping mode and this stored hydrogen is reacted and moved back through the membrane electrode assembly to form water when operating in a fuel cell mode. A metal hydride forming alloy may be configured in the hydrogen storage reservoir and may be coupled to the membrane electrode assembly. An integral metal hydride electrode having a metal hydride forming alloy may be configured on the storage side of the membrane electrode assembly and may have a catalyst or an ion conductive media incorporated therewith.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 18, 2020
    Assignee: Xergy Inc.
    Inventors: Bamdad Bahar, Jacob Zerby, Scott Fackler
  • Patent number: 10741869
    Abstract: A fuel cell stack (100) includes a first power generation element, a first supporting substrate (5a), a second power generation element, a second supporting substrate (5b) and a communicating member (3). The first supporting substrate (5a) includes a first substrate main portion, a first dense layer, and a first gas flow passage. The first dense layer covers the first substrate main portion. The first gas flow passage extends from a proximal end portion (501a) to a distal end portion (502a). The second supporting substrate (5b) includes a second substrate main portion, a second dense layer, and a second gas flow passage. The second dense layer covers the second substrate main portion. The second gas flow passage extends from a proximal end portion (501b) to a distal end portion (501b).
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: August 11, 2020
    Assignee: NGK INSULATORS, LTD.
    Inventor: Makoto Ohmori
  • Patent number: 10710964
    Abstract: The present invention relates to redox electrolyte compounds. The present invention further relates to a redox-flow battery wherein one of the catholyte and the anolyte, or both, has the redox electrolyte compound of the invention. The present invention further relates to the method of controlling the redox-flow battery and its use for energy storage.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: July 14, 2020
    Assignee: FUNDACION CENTRO DE INVESTIFACION COOPERATIVA DE ENERGIAS ALTERNATIVAS CIC ENERGIGUNE FUNDAZIOA
    Inventors: Michel Armand, Javier Carretero-Gonzalez, Elizabeth Castillo Martinez, Estibaliz Coya
  • Patent number: 10707503
    Abstract: The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: July 7, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Na Zhang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10624322
    Abstract: An agricultural unit includes a tank system that is adapted to provide a combined aquatic environment for raising aquatic animals in aquaculture and for cultivating plants in hydroponic culture and an electrochemical device. The tank system releases excretions of the aquatic animals directly into the aquatic environment so as to produce nutrients for the plants while the electrochemical device is operable in an electrolysis mode to produce hydrogen and oxygen while consuming electrical energy provided by a source of electrical energy and is further operable in a fuel cell mode to produce electrical energy and heat by oxidizing the produced hydrogen. The electrochemical device is operatively coupled to the tank system so as to transfer at least part of the produced heat and the produced oxygen to the aquatic environment.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: April 21, 2020
    Assignee: SOLAR ENERGY CONVERSION POWER CORPORATION
    Inventor: Hugo Vandenborre
  • Patent number: 10622659
    Abstract: Provided is a water treatment system using an alkaline water electrolytic device and an alkaline fuel cell in which for continuing an electrolytic treatment, a hydrogen gas and an oxygen gas required in an alkaline water electrolytic device and an alkaline fuel cell, an amount of water corresponding to raw water lost through the electrolytic treatment, and an electrolytic solution are efficiently circulated and used in a water treatment system to considerably reduce electric power consumption.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: April 14, 2020
    Assignee: DE NORA PERMELEC LTD
    Inventors: Akiyoshi Manabe, Fumiya Tsujii, Akihiro Kato
  • Patent number: 10615436
    Abstract: An example system is provided herein. The system includes a fuel cell coupled to the set of electronic components. The fuel cell provides power to the set of electronic components when a set of conditions are met.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 7, 2020
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Tahir Cader, Hai Ngoc Nguyen, Javier F. Izquierdo, Ameya Soparkar, Mark Joseph Lepore
  • Patent number: 10505214
    Abstract: A fuel cell stack (100) includes a first power generation element, a first supporting substrate (5a), a second power generation element, a second supporting substrate (5b) and a communicating member (3). The first supporting substrate (5a) includes a first substrate main portion, a first dense layer, and a first gas flow passage. The first dense layer covers the first substrate main portion. The first gas flow passage extends from a proximal end portion (501a) to a distal end portion (502a). The second supporting substrate (5b) includes a second substrate main portion, a second dense layer, and a second gas flow passage. The second dense layer covers the second substrate main portion. The second gas flow passage extends from a proximal end portion (501b) to a distal end portion (501b).
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: December 10, 2019
    Assignee: NGK INSULATORS, LTD.
    Inventor: Makoto Ohmori
  • Patent number: 10418652
    Abstract: The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: September 17, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Na Zhang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10396388
    Abstract: A system for storing energy includes a hydrogen production unit for producing hydrogen, a hydrogen storage device for storing hydrogen, with a loading unit for loading a carrier medium with the hydrogen produced in the hydrogen production unit and with an unloading unit for unloading the hydrogen from the loaded carrier medium, a heat generation unit for generating heat and a heat storage unit for storing the heat generated by the heat generation unit, with the heat storage unit connected with the unloading unit in order to supply heat.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: August 27, 2019
    Assignee: HYDROGENIOUS TECHNOLOGIES GMBH
    Inventors: Andreas Bösmann, Patrick Preuster, Matthias Schmidt, Daniel Teichmann, Peter Wasserscheid, Wolfgang Arlt
  • Patent number: 10396373
    Abstract: The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, the volume of the first electrode space and the second electrode space can be changed by deforming the bellows.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 27, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Na Zhang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10345389
    Abstract: The invention relates to a method for determining critical operating states in a fuel cell stack, consisting of single cells connected in series, wherein a low-frequency current or voltage signal is applied to the fuel cell stack, the resulting voltage or current signal is measured and the distortion factor thd is determined. According to the invention, the weighted sum of a term dependent on the membrane resistance RM and a term dependent on the distortion factor thd is used to determine an indicator THDAdryout correlating with the drying out of the fuel cell membranes of the fuel cell stack, the membrane resistance Rm being detected by impedance measurement.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 9, 2019
    Assignee: AVL LIST GMBH
    Inventors: Peter Prenninger, Katharina Renner
  • Patent number: 10326156
    Abstract: This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile catholyte solution flowing in fluid communication with the cathode, the catholyte solution comprising a polyoxometallate redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode, the catholyte solution further comprising vanadium species that result from the speciation of the polyoxometallate at an elevated temperature and/or pressure.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: June 18, 2019
    Assignee: University of Chester
    Inventors: Kathryn Jane Knuckey, Andrew Martin Creeth, Nicholas de Brissac Baynes, David Rochester, Brian Clarkson
  • Patent number: 10319825
    Abstract: A TMD system in which the first layered material is made of heterobilayers or multilayers with semiconducting direct band gaps is provided. The first layered material may be made of multiple layers of different TMD with different stackings, exhibiting smaller direct and indirect band gaps smaller than monolayer systems of TMD.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: June 11, 2019
    Assignee: The Penn State Research Foundation
    Inventors: Humberto Terrones, Mauricio Terrones, Ana Laura Elias, Nestor Perea-Lopez
  • Patent number: 10208665
    Abstract: The invention relates to methods and systems of converting electrical energy to chemical energy and optionally reconverting it to produce electricity as required. In preferred embodiments the source of electrical energy is at least partially from renewable source. The present invention allows for convenient energy conversion and generation without the atmospheric release of CO2. One method for producing methane comprises electrolysis of water to form hydrogen and oxygen, and using the hydrogen to hydrogenate carbon dioxide to form methane. It preferred to use the heat produced in the hydrogenation reaction to heat the water prior to electrolysis. The preferred electrical energy source for the electrolysis is a renewable energy source such as solar, wind, tidal, wave, hydro or geothermal energy. The method allows to store the energy gained at times of low demand in the form of methane which can be stored and used to generate more energy during times of high energy demand.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: February 19, 2019
    Assignee: Thermogas Dynamics Limited
    Inventor: Robert Simpson
  • Patent number: 9905884
    Abstract: An electrolyte for a secondary battery includes a non-aqueous solvent; a lithium salt; and a heterocyclic compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently selected from hydrogen, a halogen group, a cyano group, a hydroxy group, a nitro group, —C(?O)Ra, —C(?O)ORa, —OCO(ORa), —C?N(Ra), a substituted or unsubstituted C1-C20 alkyl group, and a combination thereof, wherein Ra is selected from hydrogen and a C1-C10 alkyl group, and, provided that at least one selected from R1 and R2 is selected from a halogen group, a cyano group, a hydroxy group, a nitro group, —C(?O)Ra, —C(?O)ORa, a substituted or unsubstituted C1-C20 alkyl group, and a combination thereof.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: February 27, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Insun Park, Hosang Park, Jinah Seo, Yoonsok Kang, Dongyoung Kim, Minsik Park
  • Patent number: 9834846
    Abstract: A method for transitioning between fuel cell and electrolysis modes in a Reversible Solid Oxide Fuel Cell (RSOFC) system includes measuring and recording sensor data indicating a status of components associated with an RSOFC system coupled to an electrical power grid, the system comprising an RSOFC unit, a hydrogen compression system, a hydrogen storage system, and a water supply, determining a state of the RSOFC system based on the sensor data through a conditional logic algorithm, and transitioning the RSOFC system between the fuel cell mode and the electrolysis mode based upon the sensor data and the system state.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: December 5, 2017
    Assignee: THE BOEING COMPANY
    Inventors: Joshua M. Mermelstein, Sergio Espinoza
  • Patent number: 9761899
    Abstract: An example of a stable electrode structure is to use a gradient electrode that employs large platinum particle catalyst in the close proximity to the membrane supported on conventional carbon and small platinum particles in the section of the electrode closer to a GDL supported on a stabilized carbon. Some electrode parameters that contribute to electrode performance stability and reduced change in ECA are platinum-to-carbon ratio, size of platinum particles in various parts of the electrode, use of other stable catalysts instead of large particle size platinum (alloy, etc), depth of each gradient sublayer. Another example of a stable electrode structure is to use a mixture of platinum particle sizes on a carbon support, such as using platinum particles that may be 6 nanometers and 3 nanometers. A conductive support is typically one or more of the carbon blacks.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: September 12, 2017
    Assignee: Audi AG
    Inventors: Lesia V. Protsailo, Laura Roen Stolar, Jesse M. Marzullo, Mallika Gummalla, Sergei F. Burlatsky
  • Patent number: 9590262
    Abstract: A reversible fuel cell includes a positive electrode containing manganese dioxide, a negative electrode containing a hydrogen storage material, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. Each of the negative electrode and the positive electrode is an electrode for power generation and is also an electrode that applies electrolysis to the electrolyte using electric current to be fed from the outside. This cell is capable of storing electric energy to be supplied at the time of overcharge by converting the electric energy into gas, and is also capable of reconverting the gas into electric energy in order to utilize the electric energy. Accordingly, there are provided a reversible fuel cell and a reversible fuel cell system each of which is excellent in energy utilization efficiency, energy density and load following capability.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: March 7, 2017
    Assignees: THE UNIVERSITY OF TOKYO, EXERGY POWER SYSTEMS, INC.
    Inventors: Atsushi Tsutsumi, Kaduo Tsutsumi
  • Patent number: 9428256
    Abstract: A ship includes: a high-pressure injection engine using fuel gas as fuel to obtain a propulsion power of the ship; a generator engine using fuel gas as fuel to generate electricity; a motor generating a power by using the electricity generated from the generator engine; a propulsion propelling the ship; a main clutch connecting the high-pressure injection engine to the propulsion; an auxiliary clutch connecting the gear box to the propulsion; and a gear box disposed in a front side of the propulsion and power-connected to the main clutch and the auxiliary clutch. The high-pressure injection engine and the motor are selectively power-connected to the propulsion to obtain the propulsion power of the ship.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: August 30, 2016
    Assignee: Daewoo Shipbuilding & Marine Engineering Co., Ltd.
    Inventors: Jin Kwang Lee, Dong Kyu Choi, Jung Han Lee
  • Publication number: 20150147666
    Abstract: A metal-halogen flow battery system includes a stack of flow cells, an electrolyte reservoir and one or more of a concentrated halogen return line fluidly connecting the stack to the reservoir, a venturi, a mixer, a concentrated halogen pump, or a concentrated halogen line heater.
    Type: Application
    Filed: February 2, 2015
    Publication date: May 28, 2015
    Inventors: Russell Cole, Rick Winter, Jonathan Hall, Pallavi Pharkya, Gerardo Jose la O', Lauren W. Hart, Paul Kreiner, Peter Tennessen
  • Publication number: 20150125768
    Abstract: Embodiments of an electrochemical flow cell stack are disclosed. A plurality of frame layers may each have a peripheral gasket channel configured to receive a gasket material. The gasket channel may surround a recessed area having a size and a structure configured to receive an insert layer. Each of the plurality of frame layers may include at least one void area defining a first half-cell chamber of a flow cell. A plurality of insert layers may each be nested within a corresponding frame layers. Each insert layer may include at least one void area defining a second half-cell chamber of the flow cell. A flow cell may be formed by one of the plurality of frame layers and one of the plurality of insert layers.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 7, 2015
    Inventors: Ronald J. MOSSO, Jay E. SHA, Kurt RISIC, Bruce LIN, Jeremy P. MEYERS
  • Publication number: 20150111117
    Abstract: An electrolyte system for a hybrid flow battery has a manganese based anolyte and a manganese based catholyte.
    Type: Application
    Filed: May 23, 2012
    Publication date: April 23, 2015
    Inventors: Stephen M. Lipka, Christopher R. Swartz
  • Publication number: 20150104724
    Abstract: Embodiments of redox flow battery rebalancing systems include a system for reacting an unbalanced flow battery electrolyte with a rebalance electrolyte in a first reaction cell. In some embodiments, the rebalance electrolyte may contain ferrous iron (Fe2+) which may be oxidized to ferric iron (Fe3+) in the first reaction cell. The reducing ability of the rebalance reactant may be restored in a second rebalance cell that is configured to reduce the ferric iron in the rebalance electrolyte back into ferrous iron through a reaction with metallic iron.
    Type: Application
    Filed: December 19, 2014
    Publication date: April 16, 2015
    Inventors: On Kok CHANG, Ai Quoc Pham
  • Publication number: 20150104723
    Abstract: Disclosed is a flow battery pack with a monitoring system. The flow battery pack with a monitoring system comprises a battery pack device and a monitoring device. The battery pack device comprises a pole plate, and the pole plate is provided thereon with a measuring port. The monitoring device comprises a measuring probe, and the measuring probe extends to the interior of the battery pack device and is arranged corresponding to the measuring port on the pole plate. The monitoring device is used for monitoring the flow pressure and temperature at the measuring port. According to the technical solution of the present disclosure, a monitoring device is introduced into the interior of a flow battery pack, and the real values of correlative parameters of the interior of the battery pack and the distribution status thereof can be obtained through the monitoring device.
    Type: Application
    Filed: July 3, 2012
    Publication date: April 16, 2015
    Applicant: DONGFANG ELECTRIC CORPORATION
    Inventors: Hao Tang, Guangyou Xie, Cong Yin, Zhankui Zhang, Ronggui Wang, Yong Lian
  • Publication number: 20150099199
    Abstract: The invention discloses general apparatus and methods for electrochemical energy conversion and storage via a membraneless laminar flow battery. In a preferred embodiment, the battery includes a flow-through porous anode for receiving a fuel and a porous electrolyte channel for transporting an electrolyte adjacent to the porous anode; a flow-through porous cathode is provided for transporting an oxidant; and a porous dispersion blocker is disposed between the electrolyte channel and the porous cathode, which inhibits convective mixing while allowing molecular diffusion and mean flow. Pore structure properties are selected for tuning convective dispersion, conductivity or other macroscopic properties. Specific materials, reactants, fabrication methods, and operation methods are disclosed to achieve stable charge/discharge cycles and to optimize power density and energy density.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 9, 2015
    Applicant: Massachusetts Institute of Technology
    Inventors: Martin Z. Bazant, William Allan Braff, Cullen Richard Buie, Matthew Suss, Laura M. Gilson, Kameron Confortl
  • Patent number: 8986898
    Abstract: The disclosure is directed at a method and apparatus for controlling fuel cell operating conditions. The apparatus includes a set of sensors for monitoring the fuel cell operating conditions and a processing unit, in communication with the set of sensors for determining when the fuel cell operating conditions are outside of an acceptable range. When it is determined that the fuel cell operating conditions are outside of the acceptable range, an electrolyzer is activated to electrolyze waste liquid water or water vapor to assist in controlling the fuel cell operating conditions.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: March 24, 2015
    Assignee: BlackBerry Limited
    Inventors: David Gerard Rich, Taha Shabbir Husain Sutarwala
  • Publication number: 20150064584
    Abstract: A secondary battery fuel system comprises: a fuel generation member that generates a fuel by a chemical reaction and is renewable by a reverse reaction of the chemical reaction; a fuel cell; a gas circulation line that circulates a gas between the fuel generation member and the fuel cell; an external fuel gas supply line that supplies a fuel gas output from an external gas supply source to the gas circulation line; a gas exhaust line that exhausts the gas from the gas circulation line; first and second open-close parts; and a control part. When switching from power generation employing external fuel gas to either a power generation operation employing circulation gas or a charging operation which regenerates the fuel generation member, the control part closes the gas exhaust line with the second open-close part, and then closes the external fuel gas supply line with the first open-close part.
    Type: Application
    Filed: March 18, 2013
    Publication date: March 5, 2015
    Inventor: Masayuki Ueyama
  • Patent number: 8968948
    Abstract: A self contained energy generating system that comprises a galvanic battery and a power distribution system. The energy generating system is used to purify water by using a reverse osmosis device that draws in a source of water and transfers electrolytes to the galvanic battery. Upon contact with the electrolyte, the galvanic battery produces energy by an oxidation-reduction reaction of the cathode and anode and transfers energy to the power distribution system, which in turn provides power to the osmosis device. Additionally, the system includes a hydrogen fuel cell to increase the amount of energy generated and a power storage device for storing excess energy generated. The system also includes a controller which is configured to regulate the overall operation of the system.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 3, 2015
    Assignee: Concurrent Technologies Corporation
    Inventors: Michel J. McCluskey, Mark Becker, Michael Pollock, Daniel R. Markiewicz
  • Patent number: 8962201
    Abstract: Disclosed is a fuel cell apparatus which can continue stable performance, can generate an electric power for a long period, and has a long service life. The fuel cell apparatus comprises: a fuel cell body comprising a power generation unit which can generate an electric power through the reaction between hydrogen and oxygen and a hydrogen generation member which can generate hydrogen through the reaction with water produced upon the generation of the electric power and can supply hydrogen generated to the power generation unit; and a reduction control unit which can control so as to reduce the hydrogen generation member that has been oxidized through the reaction with the produced water.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: February 24, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shoichi Uratani, Nobuhisa Ishida
  • Publication number: 20150044584
    Abstract: A fuel cell system, provided with: a fuel-generating material which generates a fuel by a chemical reaction and which can be regenerated by a reverse reaction of the aforementioned chemical reaction; a first fuel cell in which gas is circulated with respect to the fuel-generating material; and a second fuel cell for generating power using a fuel gas introduced from an external gas supply source. The amount of heat generated in the second fuel cell performing a power generation operation is transmitted to the first fuel cell preforming an electrolysis operation.
    Type: Application
    Filed: October 30, 2012
    Publication date: February 12, 2015
    Applicant: Konica Minolta, Inc.
    Inventor: Masayuki Ueyama
  • Publication number: 20150037696
    Abstract: This secondary cell-type fuel cell system is provided with: a fuel generation unit which by a chemical reaction generates fuel that is a reducing gas, and which can be regenerated by means of the reverse reaction of said chemical reaction; a power generation and electrolysis unit having a power generation function for generating power using the reducing gas, and an electrolysis function for electrolyzing an oxidized gas which, a product of the aforementioned reverse reaction, is supplied from the fuel generation unit during regeneration of the fuel generation unit; a circulation unit which forcibly circulates a gas containing the reducing gas and/or the oxidized gas between the fuel generation unit and the power generation and electrolysis unit; and a control unit for controlling the circulation unit. Further, the control unit controls the flow rate of the gas circulated by the circulation unit differently during power generation and during charge operations.
    Type: Application
    Filed: March 4, 2013
    Publication date: February 5, 2015
    Applicant: KONICA MINOLTA, INC.
    Inventor: Atsuhiro Noda
  • Publication number: 20150024296
    Abstract: A method and system for storing and/or discharging electrical energy that has a cost, which method includes steps of: (a) providing a flow battery system comprising at least one flow battery cell and a controller; (b) operating the flow battery cell at a power density having a first value; and (c) changing the power density at which the flow battery cell is operated from the first value to a second value as a function of the cost of the electrical energy, wherein the power density is changed using the controller, and wherein the second value is different than the first value.
    Type: Application
    Filed: October 8, 2014
    Publication date: January 22, 2015
    Inventors: Arun Pandy, Michael L. Perry
  • Publication number: 20150017558
    Abstract: Disclosed herein is a redox flow battery, and more particularly, a cell frame channel design capable of efficiently distributing an electrolyte. The present invention provides a cell frame of a redox flow battery providing an electrolyte to an electrode, the cell frame of a redox flow battery including: an electrolyte inlet part and an electrolyte outlet part disposed at both side surfaces of the electrode, respectively; a distribution channel connected to the electrolyte inlet part and dividing the electrolyte into a plurality of channels; a buffer channel formed in a shape in which the buffer channel is connected to an end of each distribution channel and a channel width thereof is increased toward the electrode; a mixing zone formed between the buffer channel and the electrode to mix electrolytes flowed from the buffer channels with each other.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 15, 2015
    Inventors: Soo-Whan KIM, Tae-Yoon KIM, Myung-Sup UM, Tae-Jung HA, Yoo-Kyung BANG
  • Publication number: 20140370404
    Abstract: This redox flow secondary battery has an electrolyte tank (6) containing: a positive electrode cell chamber (2) containing a positive electrode (1) comprising a carbon electrode; a negative electrode cell chamber (4) containing a negative electrode (3) comprising a carbon electrode; and an electrolyte membrane (5) as a barrier membrane that separates/isolates the positive electrode cell chamber (2) and the negative electrode cell chamber (4). The positive electrode cell chamber (2) contains a positive electrode electrolyte containing an active substance, the negative electrode cell chamber (4) contains a negative electrode electrolyte containing an active substance, and the redox flow secondary battery charges and discharges on the basis of the change in valency of the active substances in the electrolytes.
    Type: Application
    Filed: December 27, 2012
    Publication date: December 18, 2014
    Inventors: Akihiro Kato, Naoto Miyake
  • Publication number: 20140370405
    Abstract: The present invention provides a non-aqueous redox flow battery comprising a negative electrode immersed in a non-aqueous liquid negative electrolyte, a positive electrode immersed in a non-aqueous liquid positive electrolyte, and a cation-permeable separator (e.g., a porous membrane, film, sheet, or panel) between the negative electrolyte from the positive electrolyte. During charging and discharging, the electrolytes are circulated over their respective electrodes. The electrolytes each comprise an electrolyte salt (e.g., a lithium or sodium salt), a transition-metal free redox reactant, and optionally an electrochemically stable organic solvent. Each redox reactant is selected from an organic compound comprising a conjugated unsaturated moiety, a boron cluster compound, and a combination thereof. The organic redox reactant of the positive electrolyte comprises a tetrafluorohydroquinone ether compound or a tetrafluorocatechol ether compound.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Lu ZHANG, Jinhua HUANG, Anthony BURRELL
  • Publication number: 20140370403
    Abstract: A flow battery includes a positive electrode, a positive electrode electrolyte, a negative electrode, a negative electrode electrolyte, and a polymer electrolyte membrane interposed between the positive electrode and the negative electrode. The positive electrode electrolyte includes water and a first redox couple. The first redox couple includes a first organic compound which includes a first moiety in conjugation with a second moiety. The first organic compound is reduced during discharge while during charging the reduction product of the first organic compound is oxidized to the first organic compound. The negative electrode electrolyte includes water and a second redox couple. The second couple includes a second organic compound including a first moiety in conjugation with a second moiety. The reduction product of the second organic compound is oxidized to the second organic compound during discharge.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 18, 2014
    Inventors: Sri NARAYAN, Surya G. K. PRAKASH, Bo YANG, Lena Hoober-Burkhardt, Sankarganesh Krishnamoorthy
  • Publication number: 20140363750
    Abstract: This fuel generator is equipped with fine particles of a fuel-generating agent (1) that generates fuel by an oxidation reaction with an oxidizing gas and can be regenerated by a reduction reaction with a reducing gas, and a porous member (3). The fine particles of the fuel-generating agent (1) are dispersed and disposed in the interior of the porous member(3).
    Type: Application
    Filed: November 26, 2012
    Publication date: December 11, 2014
    Inventor: Jun Yamada
  • Publication number: 20140356743
    Abstract: An energy generating apparatus including water molecule separating device, water molecule recombining device, and water molecule recycling device, which generates various energy outputs by various means. The water separating device can be a type of machine of several designs which operates chemically and produces H2 and O2 from the water molecule. It is attached to a water recombining device of several designs which operates chemically and produces several forms of energy when recombining H2 and O2 into the water molecule. There is also a recycling device which is used to return the water molecule and its atoms to the beginning of the cycle which may or may not be used depending upon application.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 4, 2014
    Inventor: Peter Vanderpan
  • Publication number: 20140349203
    Abstract: The invention relates to a carbon-free electrocatalyst for fuel cells, containing an electrically conductive substrate and a catalytically active species, wherein the conductive substrate is an inorganic, multi-component substrate material of the composition 0X1-0X2, in which 0X1 means an electrically non-conductive inorganic oxide having a specific surface area (BET) in the range of 50 to 400 mVg and 0X2 means a conductive oxide. The non-conductive inorganic oxide 0X1 is coated with the conductive oxide 0X2. The multi-component substrate preferably has a core/shell structure. The multi-component substrate material 0X1-0X2 has an electrical conductivity in the range>0.01 S/cm and is coated with catalytically active particles containing noble metal. The electrocatalysts produced therewith are used in electrochemical devices such as PEM fuel cells and exhibit high corrosion stability.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 27, 2014
    Inventors: Barbara Klose-Schubert, Daniel Herein, Marco Lopez, Carsten Becker
  • Publication number: 20140329158
    Abstract: A secondary battery type fuel cell system is provided with: a fuel cell unit which generates oxidation gas during power generation and has a fuel electrode, an oxidant electrode, and an electrolyte sandwiched between the fuel electrode and the oxidant electrode; and a fuel generation unit which generates fuel in the form of reducing gas by means of the chemical reaction with the oxidation gas and which can generate and regenerate the oxidation gas by means of the reverse reaction of the aforementioned chemical reaction. In a closed or hermetically-sealed space containing the fuel electrode and the fuel generation unit, the oxidation gas or the reducing gas is forcibly circulated between the fuel cell unit and the fuel generation unit, and the flow direction of the gas flowing along the surface of the fuel electrode is set to be the same during the power generation operation and the charging operation.
    Type: Application
    Filed: January 23, 2013
    Publication date: November 6, 2014
    Inventor: Atsuhiro Noda
  • Patent number: 8840764
    Abstract: An electrolysis apparatus comprises an electrolysis cell to electrolyze a first fluid to generate a product fluid. The electrolysis apparatus also comprises a fuel cell to electrolyze an electrolytic fluid and to heat a second fluid. The electrolysis apparatus also includes a fluid transfer arrangement to transfer the heated second fluid from the fuel cell to the electrolysis cell to provide heat to drive the electrolysis of the first fluid in the electrolysis cell.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: September 23, 2014
    Assignee: LG Fuel Cell Systems Inc.
    Inventors: Cristiano Balestrino, Gerard D. Agnew, Michele Bozzolo
  • Publication number: 20140272640
    Abstract: Methods, systems, and devices are disclosed for fabricating and implementing multifunctional fuel cells. In one aspect, a multifunctional fuel cell device includes a first electrode and a second electrode separated by a distance and aligned substantially in parallel, a first conduit and a second conduit coupled to the first electrode and the second electrode, respectively, substantially perpendicular to the electrodes, and a fluid including an electrolyte, the fluid dispersed between the electrodes, in which an applied electric potential across the first and second conduits induces oppositely charged sides of the first and second electrodes to form a cathode and an anode side of each electrode, thereby extracting energy from the electrolyte and producing a chemical product.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Applicant: MCALISTER TECHNOLOGIES, LLC
    Inventor: Roy Edward McAlister
  • Publication number: 20140272639
    Abstract: The present invention generally relates to storing energy in a form that is carbon neutral, storable and transportable, so that it can be used on demand. The present invention provides a process and system for using energy as available to produce carbon from carbon oxide, and then oxidizing the carbon to generate useful energy on demand, while effectively recycling the carbon, oxidant, and carbon oxide used in the process or system. In one embodiment, the present invention effectively stores renewable energy as carbon, transports the carbon, oxidizes the carbon to generate useful energy on demand and recycles the carbon as carbon dioxide. This invention may increase the utilization of renewable energy, especially for electrical power generation, while producing no net carbon dioxide or other air pollutants.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: Zietlow Innovative Engineering and Technology, LLC
    Inventor: Douglas A. ZIETLOW
  • Patent number: 8822094
    Abstract: A fuel cell system includes a fuel cell stack, a heavy hydrocarbon fuel source, and a fractionator configured to separate light ends from heavy ends of a heavy hydrocarbon fuel provided from the heavy hydrocarbon fuel source.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: September 2, 2014
    Assignee: Bloom Energy Corporation
    Inventors: Swaminathan Venkataraman, Arne Watson Ballantine, David Weingaertner
  • Patent number: 8802308
    Abstract: A method for operating a fuel cell system during an interruption includes identifying a load interruption in which an external load is partially or fully unable to draw electrical power from the fuel cell system. At least a first fuel cell column of the fuel cell system is operated in an electrolysis mode such that the first fuel cell column generates fuel during the load interruption. Power is provided to the first fuel cell column in the electrolysis mode from at least a second fuel cell column of the fuel cell system. The second fuel cell column is operating in a normal power generation operating mode.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: August 12, 2014
    Assignee: Bloom Energy Corporation
    Inventors: Matthias Gottmann, Arne Ballantine, James F. McElroy
  • Publication number: 20140170511
    Abstract: A method for producing electric power and regenerating an aqueous multi-electron oxidant (AMO) and a reducer in an energy storage cycle is provided. A discharge system includes a discharge unit, an acidification reactor, and a neutralization reactor. The acidification reactor converts an oxidant fluid including the AMO into an acidic oxidant fluid. The discharge unit generates electric power and a discharge fluid by transferring electrons from a positive electrode of an electrolyte-electrode assembly (EEA) to the AMO and from a reducer to a negative electrode of the EEA. The neutralization reactor neutralizes the discharge fluid to produce a neutral discharge fluid. The regeneration system splits an alkaline discharge fluid into a reducer and an intermediate oxidant in a splitting-disproportionation reactor and releases the reducer and a base, while producing the AMO by disproportionating the intermediate oxidant. The regenerated AMO and reducer are supplied to the discharge unit for power generation.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: Ftorion, Inc.
    Inventor: Yuriy Vyacheslalovovich Tolmachev
  • Publication number: 20140093795
    Abstract: The reservoirs 2 and 2? preliminarily contain liquid water, which is utilized as the water to be supplied to the polymer membrane. A vapor pressure of the water is set to a predetermined value in the reservoir by controlling the temperature of the reservoirs 2 and 2? individually. Pressure gauges 6 and 6? may be used for setting a vapor pressure of the water. The water which is gasified based on the set vapor pressure in the respective reservoir is supplied to the stack 10 along with oxygen from the reservoir 2, and with hydrogen from the reservoir 2?. This configuration makes it possible to adjust the amount of water contained in the polymer membrane and maintain the moisturization of the polymer membrane without external water supply.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 3, 2014
    Applicant: Japan Aerospace Exploration Agency
    Inventor: Yoshitsugu SONE
  • Publication number: 20140050999
    Abstract: Methods for generating electric power and a discharge fluid from an oxidant and a reducer using a discharge system, and regenerating an oxidant and/or the reducer from the discharge fluid using a regeneration system are provided. A discharge unit of the discharge system generates electric power and the discharge fluid by transferring electrons from a positive electrode of a 5-layer electrolyte-electrode assembly (5EEA) to an aqueous multi-electron oxidant (AMO) and from a reducer to a negative electrode of the 5EEA. The regeneration system neutralizes the discharge fluid to produce a salt form of the discharge fluid. The regeneration system electrolyzes the salt form of the discharge fluid into an intermediate oxidant in an electrolysis-disproportionation reactor and releases the reducer, while producing the AMO by disproportionating the intermediate oxidant. The regeneration system converts a salt form of the AMO into an acid form of the AMO in an ion exchange reactor.
    Type: Application
    Filed: August 18, 2013
    Publication date: February 20, 2014
    Applicant: Ftorion, Inc.
    Inventor: Yuriy Viacheslavovich Tolmachev