公开(公告)号：EP2226884A4

公开(公告)日：2014-04-16

申请号：EP08863757

申请日：2008-12-24

申请人： TOKYO GAS CO LTD ,  KYOCERA CORP

发明人： FUJITA KENJIRO ,  NAKAMURA KAZUO ,  MATSUZAKI YOSHIO ,  KOI MAKOTO

IPC分类号： H01M8/24 ,  H01M8/02 ,  H01M8/12

CPC分类号： H01M8/1213 ,  H01M8/0204 ,  H01M8/1286 ,  H01M8/2425

摘要： There is obtained a segmented-in-series solid oxide fuel cell provided with a current turnaround structure. The segmented-in-series solid oxide fuel cell comprises a porous electrically insulating substrate having a fuel flow path extending from a fuel feed port to a fuel discharge port, provided therein, and a pair of the top and back surfaces, in parallel with the fuel flow path, together with a pair of side-faces of the porous electrically insulating substrate, in the transverse direction thereof, provided on the exterior thereof, wherein a plurality of solid oxide fuel cells made up by sequentially stacking an interconnector adjacent to a fuel electrode layer, the fuel electrode layer, an electrolyte layer, and an air electrode layer, and an interconnector adjacent to the air electrode layer in that order so as to be in parallel with the fuel flow path are disposed at intervals on the pair of the top and back surfaces, respectively, the plurality of the solid oxide fuel cells are structured such that adjacent solid oxide fuel cells are electrically connected in series with each other through the intermediary of the respective interconnectors, and the current turnaround structure is made up by extending the interconnector adjacent to the fuel electrode layer, the electrolyte layer, and the interconnector adjacent to the air electrode layer, making up a pair of the solid oxide fuel cells, positioned at the extreme end of the top and back surfaces of the electrically insulating substrate, in the longitudinal direction thereof, adjacent to the fuel discharge port, on the pair of the top and back surfaces of the electrically insulating substrate, respectively, to both the side faces of the electrically insulating substrate, in the transverse direction thereof, to be disposed thereon.

公开(公告)号：EP1624521A4

公开(公告)日：2007-11-14

申请号：EP04724719

申请日：2004-03-31

申请人： TOKYO GAS CO LTD

发明人： MATSUZAKI YOSHIO ,  FUJITA KENJIRO ,  SAKURAI TERUHIRO ,  OGASAWARA KEI

IPC分类号： H01M8/24 ,  H01M8/02 ,  H01M8/12

CPC分类号： H01M8/1286 ,  H01M4/8885 ,  H01M8/0206 ,  H01M8/0215 ,  H01M8/0217 ,  H01M8/0226 ,  H01M8/2425 ,  H01M2008/1293 ,  Y02P70/56

摘要： There is provided a method of manufacturing a solid oxide fuel cell module comprising a plurality of cells each made up of a fuel electrode, an electrolyte, and an air electrode sequentially formed on a surface of a substrate with an internal fuel flow part provided therein, at least a face of the substrate, in contact with the cells, and interconnectors, being an insulator, and the cells adjacent to each other, being electrically connected in series through the intermediary of the respective interconnectors, said method of manufacturing the solid oxide fuel cell module comprising the steps of co-sintering the respective fuel electrodes, and the respective electrolytes, subsequently forming a dense interconnector out of a dense interconnector material, or an interconnector material turning dense by sintering in at least parts of the solid oxide fuel cell module, in contact with the respective fuel electrodes, and the respective electrolyte, and forming an air electrode on the respective electrolytes before electrically connecting the air electrode with the respective dense interconnectors. With the invention, it is possible to solve various problems of sinterability, encountered in the process of manufacturing the solid oxide fuel cell module of a multi-segment type, and to secure electrical contact of the parts of the respective dense interconnectors, in contact with the fuel electrodes while attaining high gas-sealing performance by the agency of the respective

公开(公告)号：EP1603183A4

公开(公告)日：2008-03-12

申请号：EP04720176

申请日：2004-03-12

申请人： TOKYO GAS CO LTD

发明人： MATSUZAKI YOSHIO ,  SAKURAI TERUHIRO ,  FUJITA KENJIRO

IPC分类号： H01M8/02 ,  H01M8/04 ,  H01M8/12 ,  H01M8/24

CPC分类号： H01M8/1213 ,  H01M6/00 ,  H01M8/0206 ,  H01M8/0215 ,  H01M8/0219 ,  H01M8/0228 ,  H01M8/0232 ,  H01M8/0236 ,  H01M8/0243 ,  H01M8/0247 ,  H01M8/0258 ,  H01M8/04089 ,  H01M8/04201 ,  H01M8/1226 ,  H01M8/241 ,  H01M8/2425 ,  H01M8/243 ,  H01M8/2457 ,  H01M8/249 ,  H01M2008/1293

摘要： There is provided a solid oxide fuel cell module comprising a substrate with an internal fuel flow part provided therein, at least a face thereof, in contact with cells, and interconnectors, being an insulator, a plurality of the cells each comprised of an anode, an electrolyte, and a cathode, stacked in sequence, formed on a surface of the substrate, and the interconnectors each electrically connecting in series the cells adjacent to each other, wherein the respective cells are varied in area along the direction of fuel flow, and solid oxide fuel cell bundled modules using the same. With the solid oxide fuel cell module of a multi-segment type, according to the invention, it is possible to aim at higher voltage, and to attain improvement in power generation efficiency, and current collecting efficiency.