公开(公告)号：US11332835B2

公开(公告)日：2022-05-17

申请号：US16270707

申请日：2019-02-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Hiroaki Fujii ,  Atsushi Shimizu

IPC: C25B15/02 ,  C25B1/04 ,  C01B3/02 ,  C01B3/34 ,  C01B3/00

Abstract: A hydrogen system includes: a generator which generates hydrogen-containing gas; a storage which stores the hydrogen-containing gas generated by the generator; a first gas passage which connects the generator and the storage; a housing which houses the generator, the storage and the first gas passage; a second gas passage in which the hydrogen-containing gas discharged from the first gas passage to an outside of the housing flows; a first valve provided to the second gas passage; a third gas passage in which the hydrogen-containing gas discharged from the storage to the outside of the housing flows; a second valve provided to the third gas passage; and a controller which opens at least one of the first valve and the second valve.

公开(公告)号：US10480087B2

公开(公告)日：2019-11-19

申请号：US15709560

申请日：2017-09-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kunihiro Ukai ,  Yuuichi Yakumaru

IPC: C25B9/10 ,  H01M2/14

Abstract: A membrane electrode assembly includes: an electrolyte membrane that includes a pair of main surfaces; a cathode catalyst layer that is provided to one main surface of the electrolyte membrane; an anode catalyst layer that is provided to the other main surface of the electrolyte membrane; a cathode gas diffusion layer that is provided to the cathode catalyst layer; and an anode gas diffusion layer that is provided to the anode catalyst layer. The anode gas diffusion layer includes a metal steel plate that includes a plurality of vent holes through which gas passes, unevenness is provided to a main surface of the metal steel plate that neighbors the anode catalyst layer, and a difference in a height of the unevenness in a thickness direction of the metal steel plate is less than a thickness of the electrolyte membrane.

公开(公告)号：US11598013B2

公开(公告)日：2023-03-07

申请号：US16928047

申请日：2020-07-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hidenobu Wakita ,  Yuuichi Yakumaru ,  Kunihiro Ukai

IPC: C25B15/027 ,  C25B1/02 ,  C25B15/02 ,  C25B15/08 ,  C25B9/23

Abstract: An electrochemical hydrogen compressor includes: a cell including a proton conductive electrolyte membrane having a pair of principal surfaces, a cathode disposed on a first one of the principal surfaces of the electrolyte membrane, and an anode disposed on a second one of the principal surfaces of the electrolyte membrane; a voltage applicator that applies a voltage between the anode and the cathode; a dew point adjuster that adjusts a dew point of a hydrogen-containing gas to be supplied to the anode; and a controller that, when the temperature of the cell increases, controls the dew point adjuster to increase the dew point of the hydrogen-containing gas.

公开(公告)号：US11332836B2

公开(公告)日：2022-05-17

申请号：US16270715

申请日：2019-02-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Hiroaki Fujii ,  Atsushi Shimizu

IPC: C25B15/02 ,  C25B1/04 ,  C01B3/02 ,  C01B3/00 ,  C01B3/34

Abstract: A hydrogen system including: a hydrogen production apparatus that produces hydrogen; a hydrogen storage apparatus that stores produced hydrogen; a first flow path, wherein hydrogen discharged from the hydrogen production apparatus flows into the hydrogen storage apparatus through the first flow path; a second flow path, wherein hydrogen discharged from the hydrogen storage apparatus flows into a hydrogen-using apparatus through the second flow path; a casing that houses the hydrogen production apparatus, the hydrogen storage apparatus, the first flow path and at least part of the second flow path; a third flow path, wherein hydrogen discharged from at least one of the hydrogen production apparatus, the hydrogen storage apparatus, the first flow path and the at least part of the second flow path flows outside the casing through the third flow path; a first valve provided in the third flow path; and a controller that opens the first valve.

公开(公告)号：US10550486B2

公开(公告)日：2020-02-04

申请号：US15423586

申请日：2017-02-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Atsuo Okaichi

IPC: C25B9/08 ,  C25B1/02 ,  F04B45/047 ,  B01D53/32 ,  H01M8/04 ,  H01M8/10 ,  H01M8/06 ,  H01M8/04119 ,  H01M8/1018 ,  H01M8/0662

Abstract: An electrochemical hydrogen pump includes: an electrolyte membrane; a cathode catalyst layer provided on one principal surface of the electrolyte membrane; an anode catalyst layer provided on the other principal surface of the electrolyte membrane; a pair of separators which include gas flow paths and which are provided so as to sandwich the cathode catalyst layer and the anode catalyst layer; and a voltage application portion applying a voltage between the cathode catalyst layer and the anode catalyst layer. In the electrochemical hydrogen pump, the one principal surface is disposed at an upper side in the gravity direction, and the cathode catalyst layer has a hydrophilic property.

公开(公告)号：US10301179B2

公开(公告)日：2019-05-28

申请号：US15726445

申请日：2017-10-06

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Osamu Sakai ,  Kunihiro Ukai ,  Hidenobu Wakita ,  Yukimune Kani ,  Yuuichi Yakumaru ,  Takashi Sotoku

IPC: C01B3/58 ,  H01M8/14 ,  C25B1/12 ,  H01M8/04082 ,  H01M8/0662 ,  B01D53/32 ,  C01B3/50 ,  H01M8/248 ,  H01M8/0232 ,  H01M8/0271 ,  H01M8/1018

Abstract: An apparatus includes: an electrolyte membrane; a cathode catalyst layer provided to one main surface of the electrolyte membrane; an anode catalyst layer provided to the other main surface of the electrolyte membrane; a cathode gas diffusion layer provided on a main surface of the cathode catalyst layer not facing the electrolyte membrane; a separator including a recess through which cathode gas flows; an anode gas diffusion layer provided on a main surface of the anode catalyst layer not facing the electrolyte membrane; a voltage applicator applying a voltage between the cathode catalyst layer and the anode catalyst layer; and a fastener fastening a laminated body. The cathode gas diffusion layer is accommodated in the recess, projects from the recess in a thickness direction before fastening of the laminated body, and includes an elastic member between side surfaces of the cathode gas diffusion layer and of the recess.

公开(公告)号：US20180187319A1

公开(公告)日：2018-07-05

申请号：US15821744

申请日：2017-11-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Kunihiro Ukai ,  Yukimune Kani

IPC: C25B15/08 ,  B01D53/32 ,  C25B1/02 ,  C25B9/08 ,  F04B45/047

CPC classification number: C25B15/08 ,  B01D53/228 ,  B01D53/326 ,  B01D2256/16 ,  C25B1/02 ,  C25B9/08 ,  C25B11/035 ,  F04B45/047 ,  H01M8/0681

Abstract: An electrochemical hydrogen pump includes an electrolyte membrane having a pair of primary surfaces; a cathode catalyst layer provided on one primary surface of the electrolyte membrane; an anode catalyst layer provided on the other primary surface of the electrolyte membrane; a cathode gas diffusion layer provided on the cathode catalyst layer; an anode gas diffusion layer provided on the anode catalyst layer; and a voltage application device applying a voltage between the cathode catalyst layer and the anode catalyst layer, The anode gas diffusion layer includes a laminate of metal sheets which are provided with vents, and among the metal sheets, the maximum diameter of vents provided in a first metal sheet adjacent to the anode catalyst layer is smaller than the maximum diameter of vents provided in a second metal sheet adjacent to the first metal sheet.

公开(公告)号：US09928820B2

公开(公告)日：2018-03-27

申请号：US15249512

申请日：2016-08-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Akinori Yukimasa

IPC: G10K11/16 ,  G10K11/172 ,  H01M8/04 ,  H01M8/04082 ,  H01M8/0438 ,  H01M8/04089 ,  F01N1/02 ,  H01M8/0662 ,  H01M8/04694

CPC classification number: G10K11/161 ,  F01N1/023 ,  G10K11/172 ,  H01M8/04089 ,  H01M8/04201 ,  H01M8/04395 ,  H01M8/04694 ,  H01M8/0687

Abstract: A fuel cell system includes a fuel cell, an air supplier that supplies air to a cathode of the fuel cell, a flow rate sensor that senses an air flow rate, and a silencer that reduces sound of a certain frequency through interference of an acoustic wave, the flow rate sensor, the air supplier, and the fuel cell being arranged in an air passage in series in order named from an upstream side of flow of the air, the silencer being arranged in a branch portion of the air passage, the branch portion being between the flow rate sensor and the air supplier.

公开(公告)号：US09843061B2

公开(公告)日：2017-12-12

申请号：US14407932

申请日：2014-03-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuuichi Yakumaru ,  Kunihiro Ukai ,  Susumu Kobayashi

IPC: B01J7/00 ,  H01M8/0612 ,  C01B3/38 ,  B01J19/00 ,  C01B3/02

CPC classification number: H01M8/0618 ,  B01J19/0006 ,  B01J2219/00164 ,  C01B3/02 ,  C01B3/384 ,  C01B2203/0233 ,  C01B2203/0811 ,  C01B2203/1058 ,  C01B2203/1064 ,  C01B2203/107 ,  C01B2203/1695

Abstract: A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by a reforming reaction of a material gas; a combustor configured to heat the reformer by diffusion combustion of the material gas and combustion air; a supplementary air flow rate adjuster configured to adjust the flow rate of supplementary air added to the material gas; and a controller configured to control the supplementary air flow rate adjuster such that the flow rate of a mixture gas of the material gas and the supplementary air becomes a predetermined value.