公开(公告)号：US10693174B2

公开(公告)日：2020-06-23

申请号：US14901292

申请日：2014-06-27

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Nobuyuki Hotta ,  Tetsuya Morikawa ,  Hayato Katsuda ,  Hiroshi Sumi

IPC: H01M8/2483 ,  H01M8/0282 ,  H01M8/04082 ,  H01M8/1246 ,  H01M8/2432 ,  H01M8/0271 ,  H01M8/124

Abstract: A flat-plate-type fuel cell stack including a plurality of plate-shaped stacked fuel cells each including an electrolyte layer, an anode, and a cathode. The fuel cell stack includes at least one of a fuel manifold communicating with a space adjacent to the anode and an oxidant manifold communicating with a space adjacent to the cathode. A compression seal member and a glass seal member are disposed around the at least one manifold.

公开(公告)号：US11462759B2

公开(公告)日：2022-10-04

申请号：US16966781

申请日：2019-01-18

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Hideki Nishiwaki ,  Nobuyuki Hotta ,  Tetsuo Suehiro ,  Hiroshi Sumi

IPC: H01M8/1213 ,  H01M4/90 ,  H01M4/88 ,  H01M8/1226 ,  C25B9/23 ,  H01M8/124 ,  H01M8/12

Abstract: A composite including an electrolyte layer containing solid oxide, and at least one electrode selected from a cathode disposed on one side of the electrolyte layer in a first direction and an anode disposed on the other side of the electrolyte layer in the first direction. Either one of two surfaces of the composite located on opposite sides in the first direction satisfies a first requirement that, as viewed in the first direction, a curvature determined on the basis of any three points juxtaposed at intervals of 5 mm is less than 0.0013 (l/mm) and that, as viewed in a second direction perpendicular to the first direction, the curvature is the reciprocal of the radius of an imaginary circle passing through the any three points.

公开(公告)号：US10693153B2

公开(公告)日：2020-06-23

申请号：US15771010

申请日：2016-10-25

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Kenta Manabe ,  Hiroaki Yagi ,  Nobuyuki Hotta ,  Shunta Ohashi

IPC: H01M8/026 ,  H01M8/0254 ,  H01M8/124 ,  H01M8/021

Abstract: An interconnector-electrochemical reaction unit cell composite body includes an electrochemical reaction unit cell and an interconnector. The interconnector has a plurality of combinations of protrusions protruding in the first direction and recesses provided on a side opposite the protrusions in the first direction and being concave toward the protrusions. At least one of the combinations is configured such that, as viewed in the first direction, the bottom of the recess is located on the side toward the open end of the recess. In a section parallel to the first direction, the recess is located within a width t2 of the protrusion in the second direction orthogonal to the first direction, and the width t1 of the recess in the second direction is smaller than the width t2.

公开(公告)号：US10707499B2

公开(公告)日：2020-07-07

申请号：US15111222

申请日：2015-01-13

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Ryoji Tanimura ,  Hiroshi Sumi ,  Nobuyuki Hotta

IPC: H01M8/0273 ,  H01M8/2432 ,  H01M8/00 ,  H01M8/0297 ,  H01M8/04082 ,  H01M8/124

Abstract: Provided is a fuel cell cassette capable of assuredly suppressing separator deformation and maintaining good battery characteristics. A fuel cell cassette (2) includes a flat plate-shaped single cell (11), a separator (12), a fuel electrode frame, an interconnector and an air electrode insulating frame (15) stacked together. In the fuel cell cassette (2), the separator (12) and the fuel electrode frame (13) are joined by welding. The air electrode insulating frame (15) has gas channels (75, 76) defined therein for flow of oxidant gas. The fuel cell cassette has a welding mark (77) formed on an exposed region of the separator (12) inside the gas channel (75, 76) such that the exposed region of the separator (12) is fixed to the fuel electrode frame by the welding mark (77).

公开(公告)号：US11735758B2

公开(公告)日：2023-08-22

申请号：US17486052

申请日：2021-09-27

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Tetsuya Morikawa ,  Nobuyuki Hotta

IPC: H01M4/90 ,  H01M8/12 ,  H01M8/248 ,  H01M8/02 ,  H01M8/2432 ,  H01M8/24 ,  H01M8/1253 ,  H01M8/126

CPC classification number: H01M8/248 ,  H01M4/9033 ,  H01M4/9066 ,  H01M8/02 ,  H01M8/12 ,  H01M8/126 ,  H01M8/1253 ,  H01M8/24 ,  H01M8/2432 ,  H01M2008/1293

Abstract: A method of manufacturing a solid oxide fuel cell stack, including alternately disposing a plurality of single fuel cells, and a plurality of interconnectors disposed alternately and holding the alternately disposed plurality of single fuel cells and plurality of interconnectors between a pair of end members, forming a space between a first end member and a first interconnector, disposing a junction member composed of an elastic member and an electrically conductive member in the space, and urging a portion of an electrically conductive member and another portion of the electrically member against the first end member and the first interconnector so that a total thickness of the portion of the electrically conductive member, the another portion of the electrically conductive member, and the elastic member prior to being disposed in the space between the first end member and the first interconnector is greater than a height of the space.

公开(公告)号：US11158878B2

公开(公告)日：2021-10-26

申请号：US16342844

申请日：2017-09-26

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Kenta Manabe ,  Nobuyuki Hotta ,  Takafumi Shichida ,  Yuki Ota

IPC: H01M8/2465 ,  H01M8/04007 ,  H01M8/12 ,  H01M8/2425 ,  H01M8/124

Abstract: An electrochemical reaction cell stack includes an electrochemical reaction block including three or more electrochemical reaction units arranged in a first direction; a first heat-absorbing member which is disposed on one side of the electrochemical reaction block in the first direction and absorbs heat generated from the electrochemical reaction block; and a second heat-absorbing member which is disposed on the other side of the electrochemical reaction block in the first direction and absorbs heat generated from the electrochemical reaction block. An upstream electrochemical reaction unit is disposed between the first heat-absorbing member and the downstream electrochemical reaction unit disposed closest to the first heat-absorbing member, and an upstream electrochemical reaction unit is disposed between the second heat-absorbing member and the downstream electrochemical reaction unit disposed closest to the second heat-absorbing member.

公开(公告)号：US11027982B2

公开(公告)日：2021-06-08

申请号：US16332042

申请日：2017-09-11

Applicant: MORIMURA SOFC TECHNOLOGY CO., LTD.

Inventor： Satoru Ishida ,  Tomoki Murata ,  Ryoji Tanimura ,  Tatsuya Ono ,  Nobuyuki Hotta

IPC: C01B33/42 ,  H01M8/02 ,  C25B9/00 ,  C25B9/70 ,  H01M8/2457 ,  H01M8/2483 ,  H01M8/242 ,  H01M8/12

Abstract: A mica-made member having a crystal structure exhibiting an intensity peak of KMg3(Si3Al)O10(OH)2 and an intensity peak of Mg2SiO4 in X-ray diffractometry (XRD). Also disclosed is an electrochemical reaction unit including a structural member formed of the mica-made member and an electrochemical reaction cell stack.