公开(公告)号：US20220056597A1

公开(公告)日：2022-02-24

申请号：US17517033

申请日：2021-11-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUICHI MIKAMI ,  TOMOHIRO KUROHA ,  TAKASHI KAKUWA ,  TAKESHI TERAYAMA ,  SHIGENORI ONUMA ,  KOSUKE NUNOO ,  TAKEHITO GOTO ,  KYOHEI KAWADA

IPC: C25B9/21 ,  C25B1/04 ,  C25B13/07 ,  C25B15/021 ,  C01B3/50

Abstract: 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.

公开(公告)号：US20220029195A1

公开(公告)日：2022-01-27

申请号：US17493912

申请日：2021-10-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOSUKE NUNOO ,  TAKEHITO GOTO ,  YUICHI MIKAMI ,  TAKESHI TERAYAMA ,  SHIGENORI ONUMA ,  TAKASHI KAKUWA ,  KYOHEI KAWADA ,  TOMOHIRO KUROHA

IPC: H01M10/0562

Abstract: An electrochemical cell includes a first electrolyte layer containing an oxide-ion conductor, a second electrolyte layer containing a proton conductor, a first electrode which is disposed between the first electrolyte layer and the second electrolyte layer and in contact with a first principal surface of the first electrolyte layer and a first principal surface of the second electrolyte layer and into which a gas flows, a second electrode which is provided on a second principal surface of the first electrolyte layer and which generates oxygen, and a third electrode which is provided on a second principal surface of the second electrolyte layer and which generates hydrogen.

公开(公告)号：US20210320314A1

公开(公告)日：2021-10-14

申请号：US17355263

申请日：2021-06-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOSUKE NUNOO ,  TAKEHITO GOTO ,  YUICHI MIKAMI ,  TAKESHI TERAYAMA ,  TOMOHIRO KUROHA

IPC: H01M8/1007 ,  H01M8/1004 ,  H01M4/86 ,  H01M4/90

Abstract: A membrane electrode assembly according to the present disclosure is a membrane electrode assembly including: a solid electrolyte membrane containing an electrolyte material; and an electrode in contact with a reactant gas, wherein the electrode includes a structural support including a ceramic member, and a pore extending from a boundary surface in contact with the reactant gas toward the solid electrolyte membrane in the structural support and filled with a filler having at least one selected from the group consisting of hydrogen oxidation activity, oxygen reduction activity, proton reduction activity, steam decomposition activity, and oxide ion oxidation activity.

公开(公告)号：US20190181481A1

公开(公告)日：2019-06-13

申请号：US16195857

申请日：2018-11-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOSUKE YAMAUCHI ,  YUICHI MIKAMI ,  TOMOHIRO KUROHA ,  YUJI OKUYAMA

IPC: H01M8/1213 ,  H01M4/90 ,  H01M8/1253

CPC classification number: H01M8/1213 ,  C04B35/488 ,  C04B35/62615 ,  C04B35/6264 ,  C04B35/62675 ,  C04B35/638 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3244 ,  C04B2235/3279 ,  C04B2235/443 ,  C04B2235/449 ,  C04B2235/604 ,  C04B2235/606 ,  C04B2235/768 ,  C04B2235/81 ,  H01M4/9033 ,  H01M4/905 ,  H01M8/1253 ,  H01M2008/1293 ,  H01M2300/0077

Abstract: A proton conductor of the present disclosure has a composition formula of BaaZr1-x-yYbxNiyO3-δ (0.95≤a≤1.05, 0.1≤x≤0.4, and 0.15≤y≤0.30).

公开(公告)号：US20230006235A1

公开(公告)日：2023-01-05

申请号：US17901874

申请日：2022-09-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUICHI MIKAMI ,  KOSUKE NUNOO ,  TAKEHITO GOTO ,  HIROSHI ASANO ,  TAKESHI TERAYAMA ,  TOMOHIRO KUROHA ,  HIDEAKI MURASE

IPC: H01M8/1253 ,  H01M8/1004 ,  H01M8/126 ,  C01G25/00

Abstract: An electrode material of the present disclosure is an electrode material that includes a compound represented by the chemical formula BaZr1-x-yMxCoyO3-δ. M is In or Yb, and the chemical formula satisfies 0

公开(公告)号：US20230006234A1

公开(公告)日：2023-01-05

申请号：US17901872

申请日：2022-09-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOSUKE NUNOO ,  YUICHI MIKAMI ,  HIROSHI ASANO ,  TOMOHIRO KUROHA ,  YUJI OKUYAMA

IPC: H01M8/1213 ,  H01M8/1246 ,  C01G25/00

Abstract: A proton conductor of the present disclosure includes a compound represented by the chemical formula BaZr(1-x-y)YbxScyO3-δ. The chemical formula satisfies 0

公开(公告)号：US20210408569A1

公开(公告)日：2021-12-30

申请号：US17474502

申请日：2021-09-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUICHI MIKAMI ,  TAKEHITO GOTO ,  SHIGENORI ONUMA ,  HIDEAKI MURASE ,  TOMOHIRO KUROHA

IPC: H01M8/1253 ,  H01M8/1004

Abstract: A membrane electrode assembly according to the present disclosure includes an electrolyte membrane containing a proton conductive oxide and an electrode containing a lanthanum strontium cobalt iron composite oxide located on the electrolyte membrane, wherein, in the electrode, the ratio of the number of moles of cobalt to the sum of the number of moles of cobalt and the number of moles of iron is 0.35 or more and 0.6 or less.

公开(公告)号：US20170301925A1

公开(公告)日：2017-10-19

申请号：US15472435

申请日：2017-03-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOSUKE YAMAUCHI ,  TAKEHITO GOTO ,  TOMOYA KAMATA ,  YUICHI MIKAMI ,  TOMOHIRO KUROHA ,  ATSUO OKAICHI ,  YOICHIRO TSUJI ,  YUJI OKUYAMA

IPC: H01M4/90 ,  G01N27/407 ,  H01M8/0612 ,  H01M8/1253 ,  H01M8/124

Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0

公开(公告)号：US20230067326A1

公开(公告)日：2023-03-02

申请号：US18047668

申请日：2022-10-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUICHI MIKAMI ,  TAKEHITO GOTO ,  TAKESHI TERAYAMA ,  KOSUKE NUNOO ,  TOMOHIRO KUROHA

IPC: H01M8/0662 ,  H01M8/04089 ,  H01M8/1231 ,  H01M8/1246 ,  H01M8/0612 ,  H01M8/04007 ,  B01D53/32

Abstract: A fuel cell system including: an electrochemical pump including a first anode, a first cathode, and a first electrolyte membrane including a proton conductive oxide, the electrochemical pump separating hydrogen from a gas containing the hydrogen, and a solid oxide fuel cell that includes a second anode, a second cathode, and a second electrolyte membrane including a solid oxide electrolyte, and that generates electricity by reacting a fuel gas and an oxidant gas with each other.

公开(公告)号：US20200028192A1

公开(公告)日：2020-01-23

申请号：US16451165

申请日：2019-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHIGENORI ONUMA ,  TAKASHI KAKUWA ,  YUICHI MIKAMI ,  TOMOHIRO KUROHA

IPC: H01M8/04955 ,  H01M8/04537 ,  H01M8/04746 ,  H01M8/0432 ,  H01M8/1253 ,  H01M8/0612 ,  H01M8/04828 ,  H01M8/04858

Abstract: A fuel cell system includes: a fuel cell stack including a plurality of cells, each of which has a fuel electrode, an air electrode, and an electrolyte, and performs a power generation by a reaction between a fuel gas and air; a fuel supplier supplying the fuel gas to the fuel electrode; an air supplier supplying the air to the air electrode; a voltage detector detecting the voltage of the fuel cell stack; and a controller stopping the supplying of the fuel gas by the fuel supplier and the supplying of the air by the air supplier when the voltage of the fuel cell stack detected by the voltage detector is decreased to be lower than a threshold voltage after the power generation of the fuel cell stack is stopped.