公开(公告)号：US20210119228A1

公开(公告)日：2021-04-22

申请号：US17044094

申请日：2019-03-29

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kazuyuki Minami ,  Yuji Tsuda ,  Kyohei Manabe ,  Osamu Yamazaki

IPC分类号： H01M8/0232 ,  H01M8/0245 ,  H01M8/04828 ,  H01M8/04014 ,  H01M8/0612 ,  H01M8/1226 ,  H01M8/2432

摘要： A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spaces that pass through the metal support from a front face to a back face. The front face is a face to be provided with an electrode layer. Each of front-side openings that are openings of the penetration spaces formed in the front face has an area of 3.0×10−4 mm2 or more and 3.0×10−3 mm2 or less.

公开(公告)号：US20210119226A1

公开(公告)日：2021-04-22

申请号：US16498427

申请日：2018-03-30

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kazuyuki Minami ,  Yuji Tsuda

IPC分类号： H01M8/021 ,  H01M8/0612 ,  H01M8/04082

摘要： Provided are a low-cost electrochemical device and the like that have both durability and high performance as well as excellent reliability. The electrochemical device includes at least one metal material, and the metal material is made of a Fe—Cr alloy that contains Ti in an amount of more than 0.10 mass % and 1.0 mass % or less.

公开(公告)号：US10823718B2

公开(公告)日：2020-11-03

申请号：US16393977

申请日：2019-04-25

申请人： Osaka Gas Co., Ltd.

发明人： Naoyoshi Murata ,  Takuya Suzuki ,  Makoto Okamura ,  Tsuyoshi Kamioka ,  Hisao Ohnishi ,  Atsushi Nonaka

IPC分类号： G01N33/00 ,  G05D23/19 ,  G08B21/16 ,  G01N27/12 ,  G08B17/00

摘要： A gas alarm for detecting a target gas based on a resistance value of a sensor element comprises a measuring unit to measure a characteristic value of the sensor element, a heating control unit to control a heater to perform a heating process to heat the sensor element, a determining unit to determine, based on the characteristic value, whether the sensor element is in a blunt state in which sensitivity of the sensor element is decreased, and an aborting control unit to abort the heating process to determine whether the sensor element is in the blunt state when a characteristic value of the sensor element measured by the measuring unit after beginning of the heating process by the heating control unit meets a predetermined condition.

公开(公告)号：US10347929B2

公开(公告)日：2019-07-09

申请号：US15511789

申请日：2015-09-18

申请人： Osaka Gas Co., Ltd. ,  National Institute of Advanced Industrial Science and Technology

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kyohei Manabe ,  Osamu Yamazaki ,  Kazuyuki Minami ,  Jun Akedo ,  Toshio Suzuki

IPC分类号： H01M8/1226 ,  H01M8/12 ,  H01M4/86 ,  H01M8/02 ,  H01M4/90 ,  H01M8/1253 ,  C23C24/04 ,  H01M8/0232 ,  H01M8/124

摘要： Realized are a high-performance electrochemical element and solid oxide fuel cell in which the contact properties between a dense and highly-gastight electrolyte layer and an electrode layer are improved while the treatment temperature during formation of the electrolyte layer is suppressed to a low temperature, and methods for producing the same. An electrochemical element includes an electrode layer 3, and an electrolyte layer 4 arranged on the electrode layer 3, wherein the electrode layer 3 has a plurality of pores that are open on a face thereof in contact with the electrolyte layer 4, and the pores are filled with fine particles made of the same components as the electrolyte layer 4.

公开(公告)号：US20180269489A1

公开(公告)日：2018-09-20

申请号：US15760786

申请日：2016-09-14

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kyohei Manabe ,  Osamu Yamazaki ,  Kazuyuki Minami ,  Yuji Tsuda

IPC分类号： H01M4/86 ,  H01M8/02 ,  H01M8/12 ,  H01M4/88

CPC分类号： H01M4/8605 ,  H01M4/8657 ,  H01M4/88 ,  H01M4/8885 ,  H01M4/9025 ,  H01M8/02 ,  H01M8/0232 ,  H01M8/12 ,  H01M8/1213 ,  H01M8/1253 ,  H01M8/126 ,  H01M2008/1293 ,  Y02E60/525 ,  Y02P70/56

摘要： Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer.

公开(公告)号：US20170301941A1

公开(公告)日：2017-10-19

申请号：US15511789

申请日：2015-09-18

申请人： Osaka Gas Co., Ltd. ,  National Institute of Advanced Industrial Science and Technology

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kyohei Manabe ,  Osamu Yamazaki ,  Kazuyuki Minami ,  Jun Akedo ,  Toshio Suzuki

IPC分类号： H01M8/1226 ,  H01M4/90 ,  H01M8/1253 ,  H01M4/86 ,  H01M8/124

CPC分类号： H01M8/1226 ,  C23C24/04 ,  H01M4/86 ,  H01M4/8605 ,  H01M4/9066 ,  H01M8/02 ,  H01M8/0232 ,  H01M8/12 ,  H01M8/1253 ,  H01M2008/1293

摘要： Realized are a high-performance electrochemical element and solid oxide fuel cell in which the contact properties between a dense and highly-gastight electrolyte layer and an electrode layer are improved while the treatment temperature during formation of the electrolyte layer is suppressed to a low temperature, and methods for producing the same. An electrochemical element includes an electrode layer 3, and an electrolyte layer 4 arranged on the electrode layer 3, wherein the electrode layer 3 has a plurality of pores that are open on a face thereof in contact with the electrolyte layer 4, and the pores are filled with fine particles made of the same components as the electrolyte layer 4.

公开(公告)号：US20240274837A1

公开(公告)日：2024-08-15

申请号：US18646833

申请日：2024-04-26

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi

IPC分类号： H01M4/88 ,  H01M4/90 ,  H01M8/04014 ,  H01M8/04858 ,  H01M8/12

CPC分类号： H01M4/8896 ,  H01M4/9041 ,  H01M8/04014 ,  H01M8/0494 ,  H01M8/12 ,  H01M2008/1293

摘要： A method for manufacturing a metal plate including a rolling step for rolling a metal material provided with a penetration space passing through the metal material in a thickness direction to reduce the thickness of the metal material and reduce the area of a surface opening formed in the surface of the metal material by the penetration space, thereby producing a plate-like metal plate.

公开(公告)号：US20240204228A1

公开(公告)日：2024-06-20

申请号：US18588999

申请日：2024-02-27

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Yuji Tsuda ,  Kyohei Manabe ,  Kazuyuki Minami

IPC分类号： H01M8/1246 ,  H01M8/12

CPC分类号： H01M8/1246 ,  H01M2008/1293 ,  H01M2300/0074

摘要： Provided is a low-cost electrochemical element that has excellent performance, reliability, and durability. Also, provided is a manufacturing method for an electrochemical element including a metal substrate (metal support) and an electrode layer formed on/over the metal substrate. The method includes an electrode layer forming step of forming an electrode layer having a region with a surface roughness of 1.0 μm or less on/over the metal substrate, and an electrolyte layer forming step of forming an electrolyte layer by spraying aerosolized metal oxide powder onto the electrode layer.

公开(公告)号：US11767586B2

公开(公告)日：2023-09-26

申请号：US16498120

申请日：2018-03-30

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi

IPC分类号： C23C8/18 ,  C22C38/50 ,  C25D3/12 ,  C25D5/48 ,  H01M8/1226 ,  C23C28/00 ,  C23C28/04

CPC分类号： C23C8/18 ,  C22C38/50 ,  C23C28/04 ,  C23C28/345 ,  C25D3/12 ,  C25D5/48 ,  H01M8/1226

摘要： Provided is an alloy material including a metal oxide thin layer that can be formed using a simple method at low cost and can further suppress volatilization of Cr, which causes deterioration of a fuel cell, compared with a case where conventional expensive materials are used. Disclosed is a manufacturing method for an alloy material including a coating treatment step for coating a substrate made of a Fe—Cr based alloy with Co, and an oxidation treatment step for performing oxidation treatment on the substrate in a moisture-containing atmosphere after the coating treatment step.

公开(公告)号：US11670779B2

公开(公告)日：2023-06-06

申请号：US17044094

申请日：2019-03-29

申请人： Osaka Gas Co., Ltd.

发明人： Mitsuaki Echigo ,  Hisao Ohnishi ,  Kazuyuki Minami ,  Yuji Tsuda ,  Kyohei Manabe ,  Osamu Yamazaki

IPC分类号： H01M8/0232 ,  H01M8/2432 ,  H01M8/0245 ,  H01M8/04014 ,  H01M8/04858 ,  H01M8/0612 ,  H01M8/1226 ,  H01M8/12

CPC分类号： H01M8/0232 ,  H01M8/0245 ,  H01M8/04014 ,  H01M8/0494 ,  H01M8/0612 ,  H01M8/1226 ,  H01M8/2432 ,  H01M2008/1293

摘要： A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spaces that pass through the metal support from a front face to a back face. The front face is a face to be provided with an electrode layer. Each of front-side openings that are openings of the penetration spaces formed in the front face has an area of 3.0×10−4 mm2 or more and 3.0×10−3 mm2 or less.