公开(公告)号：US20200343567A1

公开(公告)日：2020-10-29

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: H01M8/04701 ,  C25B1/02 ,  C25B15/02

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：US20170233878A1

公开(公告)日：2017-08-17

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 ,  F04B45/047 ,  C25B1/02

CPC classification number: C25B9/08 ,  B01D53/326 ,  B01D2256/16 ,  C25B1/02 ,  F04B45/047 ,  H01M8/04171 ,  H01M8/0687 ,  H01M8/1018

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：US20180100243A1

公开(公告)日：2018-04-12

申请号：US15666973

申请日：2017-08-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUUICHI YAKUMARU ,  KUNIHIRO UKAI

IPC: C25B15/08 ,  C25B1/02 ,  C25B9/10 ,  F04B35/04

CPC classification number: C25B15/08 ,  C25B1/02 ,  C25B9/10 ,  F04B35/04 ,  H01M8/023 ,  H01M8/0245 ,  H01M8/0271 ,  H01M8/04089 ,  H01M8/0681 ,  H01M8/242

Abstract: A gas diffusion layer includes sheet materials laminated to each other and each having a gas diffusion portion in which through-holes are provided to allow a gas to pass therethrough, and a manifold hole which is provided in a region other than that of the gas diffusion portion and through which the gas passes.

公开(公告)号：US20170362718A1

公开(公告)日：2017-12-21

申请号：US15594094

申请日：2017-05-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUUICHI YAKUMARU ,  ATSUO OKAICHI

IPC: C25B1/10 ,  C25B13/08

CPC classification number: C25B1/10 ,  B01D53/228 ,  B01D53/326 ,  B01D53/62 ,  B01D2256/16 ,  B01D2257/502 ,  B01D2257/504 ,  C25B1/02 ,  C25B9/10 ,  C25B11/035 ,  C25B13/08 ,  C25B15/02 ,  H01M8/0256 ,  H01M8/0258 ,  H01M8/0656 ,  Y02E60/366 ,  Y02P20/152

Abstract: A gas diffusion layer includes a laminate made up of sheets each having a plurality of through-holes through which gas passes. One or a plurality of the sheets in the laminate includes communication paths to communicate the through-holes in another sheet adjacent to the one sheet or one of the plurality of sheets with each other or to communicate the through-holes in another sheet adjacent to the one sheet or one of the plurality of sheets with the through-holes in the other adjacent sheet, the through-holes being separated from and being not communicated with the other through-holes in the same sheet.

公开(公告)号：US20180155193A1

公开(公告)日：2018-06-07

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 ,  C25B1/12 ,  H01M8/14 ,  C01B3/50 ,  H01M8/04082 ,  H01M8/0662 ,  B01D53/32

CPC classification number: C01B3/58 ,  B01D53/326 ,  B01D2256/16 ,  C01B3/503 ,  C25B1/12 ,  H01M8/0232 ,  H01M8/0271 ,  H01M8/04201 ,  H01M8/0681 ,  H01M8/141 ,  H01M8/248 ,  H01M2008/1095 ,  Y02E60/366

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：US20170092255A1

公开(公告)日：2017-03-30

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 ,  H01M8/04082 ,  G10K11/172 ,  H01M8/0438

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：US20190311890A1

公开(公告)日：2019-10-10

申请号：US16280092

申请日：2019-02-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUUICHI YAKUMARU ,  KUNIHIRO UKAI

IPC: H01J41/16

Abstract: A hydrogen supply system includes: an electrochemical hydrogen pump which includes: an electrolyte membrane; a pair of anode and cathode provided on both surfaces of the electrolyte membrane; and a current adjuster which adjusts a current flowing between the anode and the cathode and which generates hydrogen boosted at a cathode side from an anode fluid supplied to an anode side when the current is allowed to flow between the anode and the cathode by the current adjuster; and a controller which controls the current adjuster to decrease the current flowing between the anode and the cathode when the pressure of a cathode gas containing the boosted hydrogen is increased.

公开(公告)号：US20190276944A1

公开(公告)日：2019-09-12

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

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：US20190271090A1

公开(公告)日：2019-09-05

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

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：US20180179647A1

公开(公告)日：2018-06-28

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

CPC classification number: C25B9/10 ,  B01D53/326 ,  C25B1/10 ,  C25B11/035 ,  H01M2/14 ,  H01M8/0232 ,  H01M8/0245 ,  H01M8/0247 ,  H01M8/0258 ,  H01M8/1004 ,  H01M2008/1095 ,  Y02E60/366

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.