WO2012070487A1 - Système de pile à combustible de type à batterie secondaire - Google Patents

Système de pile à combustible de type à batterie secondaire Download PDF

Info

Publication number
WO2012070487A1
WO2012070487A1 PCT/JP2011/076658 JP2011076658W WO2012070487A1 WO 2012070487 A1 WO2012070487 A1 WO 2012070487A1 JP 2011076658 W JP2011076658 W JP 2011076658W WO 2012070487 A1 WO2012070487 A1 WO 2012070487A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
fuel
secondary battery
reaction
generator
Prior art date
Application number
PCT/JP2011/076658
Other languages
English (en)
Japanese (ja)
Inventor
寛子 大森
雅之 上山
勝一 浦谷
誉之 岡野
Original Assignee
コニカミノルタホールディングス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by コニカミノルタホールディングス株式会社 filed Critical コニカミノルタホールディングス株式会社
Publication of WO2012070487A1 publication Critical patent/WO2012070487A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a secondary battery type fuel cell system capable of performing not only a power generation operation but also a charging operation.
  • Fuel cells take out electric power when water is generated from hydrogen and oxygen, and in principle, the efficiency of electric power energy that can be taken out is high, which not only saves energy, but also produces only water during power generation. Therefore, it is an environmentally friendly power generation method and is expected as a trump card for solving global energy and environmental problems.
  • Such fuel cells typically oxidize a solid polymer electrolyte membrane using a solid polymer ion exchange membrane, a solid oxide electrolyte membrane using yttria-stabilized zirconia (YSZ), and the like with an anode (anode).
  • One cell structure is formed by sandwiching the electrode electrode (cathode) from both sides and sandwiching the outside with a pair of separators.
  • a fuel gas flow path for supplying a fuel gas (for example, hydrogen gas) to the fuel electrode
  • an oxidant gas for supplying an oxidant gas (for example, oxygen or air) to the oxidant electrode.
  • a fuel gas and an oxidant gas are respectively supplied to the fuel electrode and the oxidant electrode through these flow paths.
  • a fuel cell system to which a hydrogen generation mechanism disclosed in Patent Document 1 is attached can be cited.
  • the fuel cell system disclosed in Patent Document 1 has a problem that power generation cannot be performed if all the hydrogen generating materials in the hydrogen generation mechanism have reacted.
  • both the hydrogen generation mechanism and the fuel cell utilize chemical reactions. Since the chemical reaction depends on temperature, energy for heating the hydrogen generation mechanism and the fuel cell is supplied from the outside to the fuel cell system as needed to bring the hydrogen generation mechanism and the fuel cell to a desired temperature. . If the energy supplied from the outside to the fuel cell system is large, the efficiency of the fuel cell system is reduced as a result.
  • Patent Document 1 discloses that the heat generated by the hydrogen generation mechanism is supplied to the fuel cell, but the heat transfer direction is only one direction from the hydrogen generation mechanism to the fuel cell.
  • Patent Document 2 discloses that the exhaust heat of a fuel cell is converted into electric power using a thermoelectric conversion material, but a technique for suppressing a decrease in the efficiency of the fuel cell system caused by supplying energy from the outside. is not.
  • an object of the present invention is to provide a secondary battery type fuel cell system capable of reducing energy supplied from the outside.
  • a secondary battery type fuel cell system generates a fuel containing hydrogen by a chemical reaction and can be regenerated by a reverse reaction of the chemical reaction, and the fuel generation At least one fuel cell device that generates electricity using fuel supplied from the device is provided, and at least one of the fuel generator and at least one of the fuel cell devices are thermally connectable.
  • a secondary battery type fuel cell system includes a renewable fuel generator and a fuel cell device that generates power using fuel supplied from the fuel generator, and can be charged and discharged repeatedly. is there.
  • the renewable fuel generator examples include a fuel generator that generates hydrogen-containing fuel by a chemical reaction and can be regenerated by the reverse reaction of the chemical reaction.
  • a fuel generator that generates hydrogen-containing fuel by chemical reaction and can be regenerated by reverse reaction of the chemical reaction for example, the base material (main component) is iron, and hydrogen is generated by oxidation reaction with water.
  • the hydrogen generator that can be generated and regenerated by a reduction reaction with hydrogen are given.
  • a hydrogen generator whose base material (main component) is iron can generate hydrogen by an oxidation reaction represented by the following formula (1).
  • the enthalpy change ⁇ H 1, which is the energy necessary to produce 1 mol of Fe 3 O 4 by the oxidation reaction shown in the following formula (1), is a negative value (for example, ⁇ 115 [kJ / mol] under the condition of 500 ° C.) Therefore, the oxidation reaction shown in the following formula (1) is an exothermic reaction. 3Fe + 4H 2 O ⁇ Fe 3 O 4 + 4H 2 ⁇ H 1 ⁇ 0 (1)
  • the hydrogen generator whose base material (main component) is iron can be regenerated by the reduction reaction shown in the following formula (2).
  • the enthalpy change ⁇ H 2, which is the energy required to reduce 1 mol of Fe 3 O 4 by the reduction reaction shown in the following formula (2), is a positive value (for example, 115 [kJ / mol] at 500 ° C.) Therefore, the reduction reaction shown in the following formula (2) is an endothermic reaction. Therefore, it is necessary to supply energy to the hydrogen generator from the outside during regeneration, and this energy supply becomes a factor that reduces the efficiency of the secondary battery type fuel cell system.
  • an MEA Membrane Electrode Assembly
  • a solid oxide fuel cell having an electrode assembly structure can be used.
  • the solid oxide fuel cell, the power generation operation in the fuel electrode 3 of the following formula (3) reaction takes place in. H 2 + O 2 ⁇ ⁇ H 2 O + 2e ⁇ (3)
  • the oxygen ions generated by the reaction of the above formula (4) reach the fuel electrode 3 through the solid electrolyte 1.
  • the solid oxide fuel cell performs a power generation operation. Further, as can be seen from the above equation (3), during the power generation operation, H 2 is consumed and H 2 O is generated on the fuel electrode 3 side.
  • the reaction in the solid oxide fuel cell during the power generation operation is as shown in the following equation (5).
  • the enthalpy change ⁇ H 5, which is the energy necessary to produce 1 mol of H 2 O by the reaction shown in the following formula (5), is a negative value (for example, ⁇ 246 [kJ / mol] under the condition of 500 ° C.) Therefore, the reaction shown in the following formula (5) is an exothermic reaction. Further, since current flows through the solid electrolyte 1, Joule heat is also generated in the solid electrolyte 1. Therefore, the solid oxide fuel cell generates heat during the power generation operation. H 2 + 1 / 2O 2 ⁇ H 2 O ⁇ H 5 ⁇ 0 (5)
  • the reaction in the solid oxide fuel cell during the electrolysis operation is as shown in the following equation (6).
  • the enthalpy change ⁇ H 5, which is the energy required to electrolyze 1 mol of H 2 O by the reaction shown in the following formula (6), is a positive value (for example, 246 [kJ / mol] under the condition of 500 ° C.) Therefore, the reaction shown in the following formula (6) is an endothermic reaction.
  • Joule heat is generated in the solid electrolyte 1.
  • the solid oxide fuel cell generates heat if the Joule heat in the solid electrolyte 1 is large during the electrolysis operation, and absorbs heat if the Joule heat in the solid electrolyte 1 is small. For this reason, if the Joule heat in the solid electrolyte 1 is small during the electrolysis operation, it is necessary to supply energy to the solid oxide fuel cell from the outside, and this energy supply reduces the efficiency of the secondary battery type fuel cell system. Become. H 2 O ⁇ H 2 + 1 / 2O 2 ⁇ H 6 ⁇ 0 (6)
  • FIG. 2 is a diagram showing a schematic configuration of a secondary battery type fuel cell system.
  • the secondary battery type fuel cell system shown in FIG. 2 generates a fuel containing hydrogen by a chemical reaction and can be regenerated by a reverse reaction of the chemical reaction, and an oxidant containing oxygen and the fuel generator 5.
  • the fuel cell device 6 generates power by reaction with the fuel containing hydrogen supplied from the fuel, and the circulation path 7 for circulating gas between the fuel generator 5 and the fuel cell device 6. Further, in order to individually control the reaction conditions of the fuel generator 5 and the reaction conditions of the fuel cell device 6, the fuel generator 5, the fuel cell device 6, and the secondary battery type fuel cell system shown in FIG.
  • the circulation path 7 includes a heater for adjusting the temperature, a pump for circulating the gas in the circulation path 7, a sensor for detecting leakage of fuel gas containing hydrogen, and a gas flow rate to the fuel generator as necessary.
  • a flow controller to be controlled is provided.
  • FIG. 1 shows a structure in which only one MEA is provided, a plurality of MEAs may be provided, or a plurality of MEAs may be stacked.
  • FIG. 2 illustrates the configuration of a basic system in which one fuel generator 5 and one fuel cell device 6 are provided, but the secondary battery type fuel cell system according to an embodiment of the present invention is illustrated in FIG. It is the structure provided with two or more sets of basic systems shown.
  • the secondary battery type fuel cell system according to the embodiment of the present invention for example, an arrangement in which one of the fuel generator 5 and the fuel cell device 6 is radially surrounded by a plurality of remaining devices is used. It is done.
  • the fuel cell device 6 is a solid oxide fuel cell
  • the gas (hydrogen gas, water vapor gas) consumed or generated on the fuel electrode 3 side is the fuel electrode 3 side of the fuel cell device 6.
  • the fuel generator 5 are circulated.
  • FIG. 3 shows a first example of a secondary battery type fuel cell system according to an embodiment of the present invention.
  • the same parts as those in FIG. 3 are identical to FIG. 3, the same parts as those in FIG. 3, the same parts as those in FIG. 3, the same parts as those in FIG.
  • the container 8 has a partition wall, and one of the two partitions separated by the partition wall.
  • the fuel generator 5 is housed in the other, and the fuel cell device 6 is housed in the other.
  • the fuel generator 5 and the fuel cell device 6 are thermally connected by the partition wall of the container 8.
  • thermally connected means the atmosphere around the secondary battery type fuel cell system (usually air, and the thermal conductivity near room temperature is about 0.026 W / (m ⁇ K). Is a state in which heat conduction better than that of the medium is realized.
  • the material of the partition wall of the container 8 is a metal, metal oxide, alloy (for example, SUS (about 15 W / (m ⁇ K)), glass (about about 0.1 W / (m ⁇ K)) or higher. 1 W / (m ⁇ K)), Inconel (about 15 W / (m ⁇ K)) and the like are preferable.
  • SUS about 15 W / (m ⁇ K)
  • glass about about 0.1 W / (m ⁇ K)
  • Inconel about 15 W / (m ⁇ K)
  • a heater H1 for heating the fuel generator 5 is provided in the vicinity of the fuel generator 5, and a heater H2 for heating the fuel cell apparatus 6 is provided in the vicinity of the fuel cell device 6.
  • the driving of the heaters H1 and H2 is controlled by the control circuit CNT1.
  • the control circuit CNT1 turns on the heater H1 until the temperature at which the reaction of the above-described formula (1) is started at the start of power generation. After the reaction of the equation is started, the drive of the heater H1 is controlled in order to keep the temperature of the fuel generator 5 at a predetermined temperature.
  • the control circuit CNT1 turns on the heater H2 until the temperature at which the reaction of the above-described formula (5) is started at the start of power generation. After the reaction of formula 5) is started, the drive of the heater H2 is controlled in order to keep the temperature of the fuel cell device 6 at a predetermined temperature.
  • the control circuit CNT1 turns on the heater H1 until the temperature at which the reaction of the above-described formula (2) is started at the start of charging, and the above-described (2) After the reaction of the equation is started, the drive of the heater H1 is controlled in order to keep the temperature of the fuel generator 5 at a predetermined temperature.
  • the control circuit CNT1 turns on the heater H2 until the temperature at which the reaction of the above-described formula (6) is started at the start of charging. After the reaction of formula 6) is started, the drive of the heater H2 is controlled in order to keep the temperature of the fuel cell device 6 at a predetermined temperature. Since solid oxide fuel cells generate heat if the Joule heat in the solid electrolyte 1 is large during the electrolysis operation, the control circuit CNT1 turns off the heater H2 after each reaction of the above equation (6) is started. Sometimes continue.
  • FIG. 4 shows a second example of the secondary battery type fuel cell system according to one embodiment of the present invention.
  • the same parts as those in FIG. 4 are identical to FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG.
  • the fuel generator 5 and the heater H1 are accommodated in the container 9, and the fuel cell device 6 and the heater H2 are accommodated. Is accommodated in the container 10, and the contact member 11 is provided between the container 9 and the container 10. With such a structure, the fuel generator 5 and the fuel cell device 6 are thermally connected by the containers 9 and 10 and the contact member 11.
  • the materials of the containers 9 and 10 and the contact member 11 are metals, metal oxides, alloys (for example, SUS (about 15 W / (m ⁇ K)) having a thermal conductivity of 0.1 W / (m ⁇ K) or more.
  • ⁇ Third embodiment> 5A and 5B show a third example of the secondary battery type fuel cell system according to one embodiment of the present invention.
  • 5A and 5B the same parts as those in FIG. 2 are denoted by the same reference numerals.
  • the fuel generator 5 and the heater H1 are accommodated in the container 9, and the fuel cell device 6 is provided.
  • the heater H2 is accommodated in the container 10.
  • the fuel generator 5 and the fuel cell device 6 can be thermally connected by the containers 9 and 10 and the contact member 11.
  • the materials of the containers 9 and 10 and the contact member 11 are metals, metal oxides, alloys (for example, SUS (about 15 W / (m ⁇ K)) having a thermal conductivity of 0.1 W / (m ⁇ K) or more.
  • a contact member driving mechanism 12 is also provided.
  • the contact member drive mechanism 12 includes a state in which the contact member 11 is inserted between the container 9 and the container 10 to thermally connect the fuel generator 5 and the fuel cell device 6, and the container 9 and the container 10 The contact member 11 is extracted from the space, and the contact member 11 is driven so that the fuel generator 5 and the fuel cell device 6 can be switched to a state where they are not thermally connected.
  • FIGS. 6A to 6C A fourth example of a secondary battery type fuel cell system according to an embodiment of the present invention is shown in FIGS. 6A to 6C. 6A to 6C, the same parts as those in FIG. 2 are denoted by the same reference numerals.
  • the fuel generator 5 and the heater H1 are accommodated in a container 9, and the fuel cell device 6
  • the heater H2 is accommodated in the container 10.
  • the materials of the containers 9 and 10 are metals, metal oxides, alloys (for example, SUS (about 15 W / (m ⁇ K)), glass (about about 0.1 W / (m ⁇ K)) or higher. 1 W / (m ⁇ K)), Inconel (about 15 W / (m ⁇ K)) and the like are preferable.
  • the fuel generator 5 housed in the container 9 and the fuel cell device 6 housed in the container 10 it is preferable to select a combination in which one of them generates heat when the other generates heat.
  • the driving of the heaters H1 and H2 is controlled by the control circuit CNT1.
  • the control operation of the control circuit CNT1 is the same as in the first embodiment.
  • Each of the containers 9 and 10 is connected to a shape changing member 13 whose shape changes depending on the temperature of a bimetal, a shape memory alloy or the like.
  • a shape changing member 13 whose shape changes depending on the temperature of a bimetal, a shape memory alloy or the like.
  • the bimetal described above is a shape changing member having a structure in which two types of conductive materials having different linear expansion coefficients are joined.
  • a stainless steel material having a linear expansion coefficient of 17 ⁇ 10 ⁇ 6 / ° C. and a titanium alloy having a linear expansion coefficient of 9 ⁇ 10 ⁇ 6 / ° C. can be joined.
  • a bimetal having a structure in which two types of conductive materials having different linear expansion coefficients are joined is curved in a convex shape toward the metal material having a large linear expansion coefficient.
  • FIGS. 7A to 7C show a fifth example of the secondary battery type fuel cell system according to the embodiment of the present invention. 7A to 7C, the same parts as those in FIG. 2 are denoted by the same reference numerals.
  • the fuel generator 5 and the heater H1 are insulated containers (for example, containers having a vacuum insulation structure). ) 14, the fuel cell device 6 and the heater H ⁇ b> 2 are accommodated in a heat insulating container (for example, a container having a vacuum heat insulating structure) 15, and the contact member 11 is provided between the heat insulating container 14 and the heat insulating container 15.
  • a heat insulating container for example, a container having a vacuum heat insulating structure
  • the material of the inner and outer walls of the heat insulating containers 14 and 15 and the material of the contact member 11 are metals, metal oxides, alloys (for example, SUS (about 15 W) having a thermal conductivity of 0.1 W / (m ⁇ K) or more. / (M ⁇ K)), glass (about 1 W / (m ⁇ K)), inconel (about 15 W / (m ⁇ K)), etc.) are preferable.
  • SUS about 15 W
  • M ⁇ K metal oxides
  • glass about 1 W / (m ⁇ K)
  • inconel about 15 W / (m ⁇ K)
  • the driving of the heaters H1 and H2 is controlled by the control circuit CNT1.
  • the control operation of the control circuit CNT1 is the same as in the first embodiment.
  • Each of the heat insulating containers 14 and 15 is provided with a shape changing member 13 whose shape changes depending on the temperature of a bimetal, a shape memory alloy or the like.
  • a shape changing member 13 whose shape changes depending on the temperature of a bimetal, a shape memory alloy or the like.
  • the inside and outside of the heat insulating container 14 are thermally connected by deformation of the shape changing member 13 provided in the heat insulating container 14.
  • FIG. 7B When the temperature of the fuel cell device 6 becomes equal to or higher than a predetermined temperature, the inside and outside of the heat insulating container 15 are thermally connected by deformation of the shape changing member 13 provided in the heat insulating container 15. (See FIG. 7C).
  • the heat insulating structure of the heat insulating container normally allows heat to remain in the heat insulating container, and the heat in the heat insulating container can be transferred to the outside of the heat insulating container only when necessary. Furthermore, when the temperature outside the heat insulation container becomes equal to or higher than a predetermined temperature, the heat insulation containers 14 and 15 are thermally connected to the inside and outside of the heat insulation container by deformation of the shape changing member 13 (see FIGS. 7B and 7C). ). Thereby, heat can be more efficiently transferred.
  • heat transfer between the heat insulating container 14 and the heat insulating container 15 is performed via the contact member 11, but instead of the contact member 11, other heat transfer members (for example, A shape-changing member whose shape changes depending on the temperature, such as a bimetal or a shape memory alloy), and the outer walls of the heat insulating containers 14 and 15 may be in physical contact with each other.
  • the outer wall of the container 15 may be integrally formed.
  • Example of heat transfer in the present invention >> Examples of heat transfer in the present invention will be described with reference to FIGS. 8 to 13, the same parts as those in FIG. 2 are denoted by the same reference numerals.
  • the reaction heat (heat generation) generated in the fuel generating device 5 generating fuel is supplied to the fuel cell device 6 during power generation of the secondary battery type fuel cell system according to the present invention, and the fuel cell. Used for heating the device 6. Thereby, the operating power of the heater H2 can be saved.
  • the reaction heat (heat generation) generated in the fuel cell device 6 performing the power generation operation and the fuel cell device performing the power generation operation during power generation of the secondary battery type fuel cell system according to the present invention Joule heat generated in the solid electrolyte 6 is supplied to the unreacted fuel generator 5 and used to heat the unreacted fuel generator 5. Thereby, the operating power of the heater H1 provided in the vicinity of the unreacted fuel generator 5 can be saved.
  • a certain fuel generator 5 when a certain fuel generator 5 is generating fuel, for example, a secondary battery type fuel cell system using regenerative power generated during braking in EV or power supplied from an external power source.
  • the reaction heat (heat generation) generated in a certain fuel generator 5 is converted into the reaction heat (endotherm) required for the electrolysis reaction in the fuel cell device 6 that performs electrolysis of water (steam).
  • the hydrogen generated in the fuel cell device 6 that performs the electrolysis of the fuel (hydrogen) generated in one fuel generator 5 and the water (steam) is used for the reduction reaction in another fuel generator 5. .
  • the operating power of the heater H2 provided in the vicinity of the fuel cell device 6 that performs electrolysis of water (steam) can be saved.
  • the secondary battery type fuel cell system includes a plurality of sets of fuel generators 5 and fuel cell apparatuses 6 (two sets are shown in FIGS. 11 and 12). Yes)
  • FIG. 11 and FIG. 12 The difference between FIG. 11 and FIG. 12 is that in FIG. 11, the fuel generators 5 and the fuel cell devices 6 are arranged in a mosaic pattern, whereas in FIG. 12, the fuel generators 5 and the fuel cell devices 6 are striped. It is the point which is arranged in.
  • gas is circulated between the fuel generator 5 that generates fuel (hydrogen) and the fuel cell device 6 that performs the power generation operation, and is regenerated by a reduction reaction.
  • the fuel generator 5 that generates fuel (hydrogen) and water (steam) ) Is thermally connected, and the fuel generator 5 regenerated by the reduction reaction and the fuel cell device 6 performing the power generation operation are thermally connected.
  • reaction heat (heat generation) generated in the fuel generator 5 generating fuel (hydrogen) is a reaction necessary for an electrolysis reaction in the fuel cell device 6 that performs electrolysis of water (steam).
  • Reaction heat (heat generation) used for heat (heat absorption) and generated in the fuel cell device 6 performing the power generation operation is necessary for the reduction reaction in the fuel generation device 5 regenerated by the reduction reaction (heat absorption) ).
  • the operating power of H2 can be saved.
  • the fuel cell device 6 performing the power generation operation and the fuel cell device 6 performing the electrolysis of water (steam) are disposed adjacent to each other rather than diagonally.
  • the fuel cell device 6 performing the power generation operation and the fuel cell device 6 performing the electrolysis of water (steam) are configured to be thermally connectable and are generated in the fuel cell device 6 performing the power generation operation.
  • a part of the reaction heat (heat generation) may be used for the reaction heat (endotherm) necessary for the electrolysis reaction in the fuel cell device 6 performing the electrolysis of water (steam).
  • the fuel generator 5 generating fuel (hydrogen) and the fuel generator 5 regenerated by the reduction reaction are arranged adjacent to each other rather than diagonally.
  • the fuel generator 5 generating the fuel (hydrogen) and the fuel generator 5 regenerated by the reduction reaction are configured to be thermally connectable, and the fuel generator 5 generating the fuel (hydrogen)
  • a part of the generated reaction heat (heat generation) may be used for reaction heat (endotherm) necessary for the reduction reaction in the fuel generator 5 regenerated by the reduction reaction.
  • the electrolysis reaction (reaction shown in the above formula (6)) in the fuel cell device 6 that electrolyzes water (steam) is an endothermic reaction. Further, since current flows through the solid electrolyte of the fuel cell device 6 during electrolysis of water (water vapor), Joule heat is generated in the solid electrolyte.
  • the fuel cell device 6 performs electrolysis of water (steam)
  • the Joule heat generated in the solid electrolyte of the fuel cell device 6 is larger than the endothermic amount in the electrolysis reaction of the fuel cell device 6,
  • the fuel cell device 6 generates heat, and if the Joule heat generated in the solid electrolyte of the fuel cell device 6 is smaller than the endothermic amount in the electrolysis reaction of the fuel cell device 6, the fuel cell device 6 absorbs heat.
  • Joule heat generated in the solid electrolyte of the fuel cell device 6 is an endothermic amount in the electrolysis reaction of the fuel cell device 6. It can be applied when larger than.
  • the fuel generating device and the fuel cell device can be thermally connected, heat transfer between the fuel generating device and the fuel cell device as in each of the above examples. Is possible. Thereby, the energy supplied as drive power of the heater from the outside to the secondary battery type fuel cell system according to the present invention can be reduced.

Landscapes

  • Fuel Cell (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)

Abstract

L'invention porte sur un système de pile à combustible de type à batterie secondaire qui comporte au moins chacun d'un dispositif de génération de combustible (5), qui génère un combustible qui comprend de l'hydrogène par une réaction chimique et qui peut régénérer par une réaction chimique inverse de cette réaction chimique, et d'un dispositif de pile à combustible (6) qui réalise une génération d'énergie à l'aide du combustible fourni par le dispositif de génération de combustible (5). Au moins un dispositif de génération de combustible (5) et au moins un dispositif de pile à combustible (6) peuvent être connectés thermiquement. Par exemple, un récipient (8) est divisé en deux compartiments par une paroi de séparation. L'un des compartiments reçoit un dispositif de génération de combustible (5) et l'autre compartiment reçoit un dispositif de pile à combustible (6). Le dispositif de génération de combustible (5) et le dispositif de pile à combustible (6) sont connectés thermiquement par l'intermédiaire de la paroi de séparation.
PCT/JP2011/076658 2010-11-24 2011-11-18 Système de pile à combustible de type à batterie secondaire WO2012070487A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010260977 2010-11-24
JP2010-260977 2010-11-24

Publications (1)

Publication Number Publication Date
WO2012070487A1 true WO2012070487A1 (fr) 2012-05-31

Family

ID=46145830

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/076658 WO2012070487A1 (fr) 2010-11-24 2011-11-18 Système de pile à combustible de type à batterie secondaire

Country Status (1)

Country Link
WO (1) WO2012070487A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014007062A (ja) * 2012-06-25 2014-01-16 Konica Minolta Inc ２次電池型燃料電池システム及びそれを備えた給電システム
WO2014192795A1 (fr) * 2013-05-29 2014-12-04 コニカミノルタ株式会社 Système de pile à combustible du type pile rechargeable
JP2014229438A (ja) * 2013-05-21 2014-12-08 株式会社デンソー 燃料電池装置
JPWO2013146396A1 (ja) * 2012-03-28 2015-12-10 コニカミノルタ株式会社 ２次電池型燃料電池システム
JP2016189287A (ja) * 2015-03-30 2016-11-04 Ｊｘエネルギー株式会社 水素ジェネレータ兼用発電システム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1064567A (ja) * 1996-06-14 1998-03-06 Matsushita Electric Ind Co Ltd 燃料電池用水素供給システム及び携帯用電気機器
JP2004149394A (ja) * 2002-11-01 2004-05-27 Uchiya Thermostat Kk 水素発生装置
JP2007080587A (ja) * 2005-09-12 2007-03-29 Canon Inc 燃料電池および電気機器
JP2007087701A (ja) * 2005-09-21 2007-04-05 Nec Corp 電子機器および燃料電池の起動方法
JP2009071959A (ja) * 2007-09-12 2009-04-02 Takasago Thermal Eng Co Ltd 電力供給システム
JP2009176479A (ja) * 2008-01-22 2009-08-06 Casio Comput Co Ltd 燃料電池システム並びにその制御装置及び動作方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1064567A (ja) * 1996-06-14 1998-03-06 Matsushita Electric Ind Co Ltd 燃料電池用水素供給システム及び携帯用電気機器
JP2004149394A (ja) * 2002-11-01 2004-05-27 Uchiya Thermostat Kk 水素発生装置
JP2007080587A (ja) * 2005-09-12 2007-03-29 Canon Inc 燃料電池および電気機器
JP2007087701A (ja) * 2005-09-21 2007-04-05 Nec Corp 電子機器および燃料電池の起動方法
JP2009071959A (ja) * 2007-09-12 2009-04-02 Takasago Thermal Eng Co Ltd 電力供給システム
JP2009176479A (ja) * 2008-01-22 2009-08-06 Casio Comput Co Ltd 燃料電池システム並びにその制御装置及び動作方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2013146396A1 (ja) * 2012-03-28 2015-12-10 コニカミノルタ株式会社 ２次電池型燃料電池システム
JP2014007062A (ja) * 2012-06-25 2014-01-16 Konica Minolta Inc ２次電池型燃料電池システム及びそれを備えた給電システム
JP2014229438A (ja) * 2013-05-21 2014-12-08 株式会社デンソー 燃料電池装置
WO2014192795A1 (fr) * 2013-05-29 2014-12-04 コニカミノルタ株式会社 Système de pile à combustible du type pile rechargeable
JP5679097B1 (ja) * 2013-05-29 2015-03-04 コニカミノルタ株式会社 ２次電池型燃料電池システム
JP2016189287A (ja) * 2015-03-30 2016-11-04 Ｊｘエネルギー株式会社 水素ジェネレータ兼用発電システム

Similar Documents

Publication Publication Date Title
JP5640884B2 (ja) ２次電池型燃料電池システム
US8911895B2 (en) All solid state rechargeable oxide-ion battery (ROB) system
JP4821937B2 (ja) 燃料電池装置
JPWO2009028169A1 (ja) 燃料電池
WO2012070487A1 (fr) Système de pile à combustible de type à batterie secondaire
JP4956946B2 (ja) 燃料電池
EP3282513B1 (fr) Systèmes de pile à combustible multi-piles et ensembles d'échangeur de chaleur
JP5617592B2 (ja) ２次電池型燃料電池システム
JP2009193808A (ja) 固体酸化物形燃料電池
JP5505583B1 (ja) ２次電池型燃料電池システム
JP5741710B2 (ja) 燃料電池システム
JP2012084366A (ja) 燃料電池装置及び２次電池型燃料電池システム
JP2007005134A (ja) 水蒸気発生器および燃料電池
JP4544055B2 (ja) 燃料電池
JP2013025933A (ja) ２次電池型燃料電池
JP2012082102A (ja) 燃料発生装置及びそれを備えた２次電池型燃料電池システム
JP5896015B2 (ja) ２次電池型燃料電池システム
JP2012079558A (ja) ２次電池型燃料電池システム
JP5494799B2 (ja) 燃料電池装置
JP5679097B1 (ja) ２次電池型燃料電池システム
JP2012119127A (ja) ２次電池型燃料電池システム
JP5772681B2 (ja) 燃料電池システム
JP4849201B2 (ja) 固体酸化物形燃料電池
JP2011165371A (ja) 燃料電池
JP6121852B2 (ja) 電気化学装置及びその運転方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11843522

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11843522

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP