SOLID OXIDE FUEL BATTERY STACK, SOLID OXIDE FUEL CELL MODULE AND SOLID OXIDE FUEL CELL SYSTEM

• Main Authors: HORIUCHI KOICHIRO, MUTO TAKUMA
• Format: Patent
• Language: English; Japanese
• Published: 17.05.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide: a solid oxide fuel battery stack in which an end of a solid oxide fuel battery cylindrical cell can be guided in a cell end cap; a solid oxide fuel cell module; and a solid oxide fuel cell system.SOLUTION: A solid oxide fuel battery stack according to the present invention comprises a cell end cap 70 composed of at least one of an introduction-side cap 71 and an exhaust-side cap 72. The cell end cap 70 is formed in a bottomed cylindrical shape, and it has: a bottom 71a, 72a against which a leading end 33a3 of a solid oxide fuel battery cylindrical cell 33 in an axial direction thereof abuts; and a cell guide part 71c, 72c provided along an inner wall face of an end of a solid oxide fuel battery cylindrical cell 33 from the bottom 71a, 72a, or an outer wall face of an end of the solid oxide fuel battery cylindrical cell 33 from the bottom 71a, 72a, and serving to guide the end of the solid oxide fuel battery cylindrical cell 33 in the cell end cap 70.SELECTED DRAWING: Figure 4A 【課題】セル端部キャップ内において固体酸化物形燃料電池筒状セルの端部を案内可能な固体酸化物形燃料電池スタック、固体酸化物形燃料電池モジュールおよび固体酸化物形燃料電池システムを提供する。【解決手段】本発明に係る固体酸化物形燃料電池スタックは、導入側キャップ７１および導出側キャップ７２のうちの少なくとも一方であるセル端部キャップ７０を備える。セル端部キャップ７０は、有底筒状に形成されており、固体酸化物形燃料電池筒状セル３３の軸線方向の先端部３３ａ３が当接する底部７１ａ，７２ａと、底部７１ａ，７２ａから固体酸化物形燃料電池筒状セル３３の端部の内壁面、または、底部７１ａ，７２ａから固体酸化物形燃料電池筒状セル３３の端部の外壁面に沿って設けられ、セル端部キャップ７０内において固体酸化物形燃料電池筒状セル３３の端部を案内するセル案内部７１ｃ，７２ｃとを備える。【選択図】図４Ａ