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11. 发明公开

EP3550652A1 SOLID OXIDE FUEL CELL SYSTEM 有权
公开(公告)号：EP3550652A1
公开(公告)日：2019-10-09
申请号：EP19161052.6
申请日：2019-03-06
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： KAKUWA, Takashi , ONUMA, Shigenori , MIKAMI, Yuichi
IPC分类号： H01M8/04746 , H01M8/04303
摘要： A SOFC system includes: a fuel cell stack; a reformer; an air supplier: a combustor; and a controller. In a stop control of the above system, the controller calculates an average of ratios of the air to the raw material supplied to the reformer as a first average, in a case in which a molar fraction of a hydrogen component in the anode off-gas is higher than a molar fraction of a raw material component in the anode off-gas, and calculates the average of the ratios of the air to the raw material supplied to the reformer as a second average, in a case in which the molar fraction of the hydrogen component in the anode off-gas is lower than the molar fraction of the raw material component in the anode off-gas. The controller controls the air supplier so that the first average is higher than the second average.

12. 发明授权

EP3246976B1 HIGH-TEMPERATURE FUEL CELL SYSTEM 有权
公开(公告)号：EP3246976B1
公开(公告)日：2019-09-04
申请号：EP17169524.0
申请日：2017-05-04
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： KAKUWA, Takashi , ONUMA, Shigenori
IPC分类号： H01M8/0612 , H01M8/04014 , H01M8/2428 , B01J8/00 , C01B3/38 , F23D14/20 , B01J8/02 , F23D14/22 , H01M8/124 , H01M8/0637

13. 发明公开

EP3493308A1 SOLID OXIDE FUEL CELL SYSTEM 有权
公开(公告)号：EP3493308A1
公开(公告)日：2019-06-05
申请号：EP18207922.8
申请日：2018-11-23
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： KAKUWA, Takashi
IPC分类号： H01M8/04828 , H01M8/0662 , H01M8/0432 , H01M8/04664 , H01M8/04746 , H01M8/04302 , H01M8/124 , H01M8/04955
摘要： A solid oxide fuel cell system includes a fuel cell stack that generates electric power through a reaction between a fuel gas and an oxidizing gas; a combustor in which anode and cathode off-gases discharged from the fuel cell stack are burned by diffusion combustion; a temperature sensor that detects temperature of the anode off-gas flowing into the combustor; and a controller. When the system is in at least one of the following states during power generation, the controller instructs the system to perform a power-generation control action for preventing failed combustion reactions: the temperature of the anode off-gas, detected by the temperature sensor, is below a first predetermined temperature for a predetermined continuous period of time; the temperature of the anode off-gas decreases by not less than a predetermined second temperature range during a predetermined period of time.

14. 发明公开

EP4431638A1 COMPRESSION APPARATUS 审中-实审
公开(公告)号：EP4431638A1
公开(公告)日：2024-09-18
申请号：EP22889749.2
申请日：2022-10-14
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： SAKAI, Osamu , KAKUWA, Takashi , NAKAUE, Takayuki
IPC分类号： C25B1/02 , C25B9/00 , C25B9/23 , C25B13/05 , C25B13/08 , C25B15/08 , H01M8/04
CPC分类号： Y02E60/50 , Y02E60/36 , H01M8/04 , C25B1/02 , C25B9/00 , C25B9/23 , C25B13/05 , C25B13/08 , C25B15/08
摘要： A compression apparatus includes an electrolyte membrane, an anode disposed on a principal surface of the electrolyte membrane, a cathode disposed on another principal surface of the electrolyte membrane, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying a voltage between the anode and the cathode, the compression apparatus causes protons extracted from an anode fluid fed to the anode to move to the cathode through the electrolyte membrane and produces compressed hydrogen. The compression apparatus includes a face seal disposed on an outer periphery of the anode and an elastic material interposed between the anode and the face seal.

15. 发明公开

EP4350053A1 ELECTROCHEMICAL CELL FOR HYDROGEN PUMPS, AND COMPRESSION APPARATUS 审中-实审
公开(公告)号：EP4350053A1
公开(公告)日：2024-04-10
申请号：EP22809319.1
申请日：2022-02-08
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： NAKAUE, Takayuki , KAKUWA, Takashi , SAKAI, Osamu , KANI, Yukimune
IPC分类号： C25B11/032 , C25B11/052 , C25B11/056 , C25B11/061 , C25B11/065 , C25B9/00 , C25B9/05 , C25B9/23 , C25B9/65 , C25B1/02
摘要： An electrochemical cell for a hydrogen pump includes an electrolyte membrane, an anode catalyst layer disposed on one main surface of the electrolyte membrane, a cathode catalyst layer disposed on the other main surface of the electrolyte membrane, an anode gas diffusion layer disposed on the anode catalyst layer, and a cathode gas diffusion layer disposed on the cathode catalyst layer. When a voltage is applied between the anode catalyst layer and the cathode catalyst layer, the cathode gas diffusion layer is exposed to a hydrogen-containing gas at a pressure higher than that at the anode gas diffusion layer. A thickness of the anode gas diffusion layer is greater than or equal to a thickness of the cathode gas diffusion layer.

16. 发明公开

EP4141147A1 COMPRESSION DEVICE 审中-实审
公开(公告)号：EP4141147A1
公开(公告)日：2023-03-01
申请号：EP21762582.1
申请日：2021-02-15
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： SAKAI, Osamu , KANI, Yukimune , KAKUWA, Takashi , KITA, Hiromi , KAMATA, Tomoya , NAKAUE, Takayuki
IPC分类号： C25B9/00 , C01B3/56 , C25B1/02
摘要： A compression apparatus includes a stack including a plurality of electrochemical cells stacked on top of one another, the electrochemical cells each including an anode, a cathode, and an electrolyte membrane interposed between the anode and the cathode, a pair of insulating plates disposed at respective ends of the stack in a direction in which the electrochemical cells are stacked, a pair of first end plates disposed on outside surfaces of the respective insulating plates, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying the voltage, the compression apparatus causes hydrogen included in a hydrogen-containing gas fed to the anode to move to the cathode and produces compressed hydrogen. The first end plates have a first channel through which the hydrogen-containing gas fed to the anode flows and a second channel through which a heating medium flows, the first and second channels being formed in the first end plates. The compression apparatus further includes a heater that heats the heating medium.

17. 发明公开

EP4089205A1 COMPRESSION DEVICE 审中-实审
公开(公告)号：EP4089205A1
公开(公告)日：2022-11-16
申请号：EP20897643.1
申请日：2020-11-27
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： KAKUWA, Takashi , KITA, Hiromi , SAKAI, Osamu
IPC分类号： C25B9/00 , C01B3/00 , H01M8/04 , H01M8/0656
摘要： A compression apparatus according to the present disclosure includes an electrolyte membrane, an anode disposed on a principal surface of the electrolyte membrane, a cathode disposed on another principal surface of the electrolyte membrane, an anode separator disposed on the anode, a cathode separator disposed on the cathode, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying the voltage, the compression apparatus causes protons extracted from an anode fluid fed onto the anode to migrate onto the cathode through the electrolyte membrane and produces compressed hydrogen. The cathode separator has a first manifold hole formed therein and a first O-ring groove formed therein so as to surround the first manifold hole. The compression apparatus includes a first O-ring held by the first O-ring groove and a face seal disposed on an outer periphery of a region of an anode-side principal surface of the anode separator, the anode-side principal surface being directed toward the anode, the region facing the anode. The first O-ring is arranged to abut against the anode-side principal surface of the anode separator and the face seal is not disposed on a region of the anode-side principal surface of the anode separator, the region against which the first O-ring abuts.

18. 发明公开

EP4089204A1 COMPRESSION APPARATUS 审中-公开
公开(公告)号：EP4089204A1
公开(公告)日：2022-11-16
申请号：EP20897642.3
申请日：2020-11-27
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： KAKUWA, Takashi , KITA, Hiromi , SAKAI, Osamu
IPC分类号： C25B9/00 , C01B3/00 , H01M8/04 , H01M8/0656
摘要： A compression apparatus according to the present disclosure includes an electrolyte membrane, an anode disposed on a principal surface of the electrolyte membrane, a cathode disposed on another principal surface of the electrolyte membrane, an anode separator disposed on the anode, a cathode separator disposed on the cathode, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying the voltage, the compression apparatus causes protons extracted from an anode fluid fed to the anode to migrate to the cathode through the electrolyte membrane and produces compressed hydrogen. The cathode separator has a first O-ring groove formed in a cathode-side principal surface of the cathode separator, the cathode-side principal surface being directed toward the cathode, so as to surround a region of the cathode-side principal surface, the region facing the cathode. The compression apparatus includes a first O-ring held by the first O-ring groove and a face seal disposed on an outer periphery of a region of an anode-side principal surface of the anode separator, the anode-side principal surface being directed toward the anode, the region facing the anode.

19. 发明公开

EP4071279A1 ELECTROCHEMICAL DEVICE 审中-实审
公开(公告)号：EP4071279A1
公开(公告)日：2022-10-12
申请号：EP20888762.0
申请日：2020-10-28
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： ONUMA, Shigenori , KAKUWA, Takashi
IPC分类号： C25B13/04 , C01B3/00 , H01M8/0206 , H01M8/021 , H01M8/0215 , H01M8/0228 , H01M8/10
摘要： An electrochemical device includes an electrolyte membrane, an anode disposed on a first main surface of the electrolyte membrane, a cathode disposed on a second main surface of the electrolyte membrane, an anode separator disposed on the anode, and a cathode separator disposed on the cathode. At least one of the anode separator or the cathode separator includes a metal substrate sheet and a conductive layer disposed on the metal substrate sheet and containing a metal oxide and a metal hydroxide.

20. 发明公开

EP3978651A1 ELECTROCHEMICAL DEVICE AND HYDROGEN GENERATION METHOD 审中-实审
公开(公告)号：EP3978651A1
公开(公告)日：2022-04-06
申请号：EP20814078.0
申请日：2020-04-20
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： MIKAMI, Yuichi , KUROHA, Tomohiro , KAKUWA, Takashi , TERAYAMA, Takeshi , ONUMA, Shigenori , NUNOO, Kosuke , GOTO, Takehito , KAWADA, Kyohei
IPC分类号： C25B9/10 , C01B3/02 , C25B9/00 , C25B13/04 , H01M8/00 , H01M8/0656 , H01M8/12
摘要： The electrochemical apparatus of the present disclosure includes a first stack that includes an oxide ion conductor as an electrolyte and decomposes water vapor to generate hydrogen and oxygen, a second stack that includes a proton conductor as an electrolyte and separates the hydrogen generated in the first stack from a gas mixture of the hydrogen and the water vapor that has not been decomposed in the first stack, and a heat insulation material that covers the first stack and the second stack.

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