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    • 3. 发明专利
    • SOLID ELECTROLYTE-TYPE FUEL CELL
    • JPH08231280A
    • 1996-09-10
    • JP3826295
    • 1995-02-27
    • MITSUI SHIPBUILDING ENG
    • NISHIMURA NAOYUKIMURATA KAZUTOSHI
    • C04B37/00H01M8/02H01M8/24
    • PURPOSE: To make the bonding temp. lower than before when the fuel cell is produced and to prevent the deterioration of the cell by bonding gas separators each consisting of a ceramic sintered compact together and/or bonding the gas separator material to the cell material through a specified bonding material and firing the bonded material. CONSTITUTION: In this solid electrolyte-type fuel cell, a bonding material contg. MgO and SiO2 in 1:0.5 to 5 weight ratio is used when the main body 6 of a gas separator 3 made of a spinel ceramic sintered compact consisting essentially of MgO and MgAl2 O4 is bonded to frames 7 and 8, and the frames 7 and 8 are bonded to the electrolyte 5a of a cell 5 made of a YSZ sintered compact. Namely, an MgO powder and an SiO2 powder are mixed in 1:0.5 to 5 weight ratio of MgO to Si2 , a binder, plasticizer, dispersant, etc., are added, if necessary, to the mixture, the mixture is slurried, the slurry is applied on the faces to be bonded, the faces are abutted on each other, and the members are dried and fired at
    • 6. 发明专利
    • FUEL BATTERY WITH SOLID ELECTROLYTE
    • JPH01267963A
    • 1989-10-25
    • JP9765788
    • 1988-04-20
    • MITSUI SHIPBUILDING ENGNIPPON KAKYO KIKI KAIHATSU
    • SHIMOZU MASATERUMIURA KENZONANBA MASAOMURATA KAZUTOSHI
    • H01M8/12H01M8/24
    • PURPOSE:To enhance the reliability and operating easiness of a fuel battery as a whole, by using an oxygen ion electroconductive solid electrolyte of Bi2O3- Y2O3 type, and thereby allowing a solid electrolyte type fuel battery to operate at temps. below 700 deg.C. CONSTITUTION:In an oxygen side electrode 3 at the external surface of a unitary cell 6b to work as a flow-path for air A, the oxygen in the air A receives electrons from an external circuit to become oxygen ions, which intrude into a solid electrolyte 2 to become a charge carrier. Inside the base tubing 1 of unitary cell 6b becomes a flow-path for hydrogen F as the fuel, which flows through the base tubing 1 into the fuel side electrode 4 laminated on the inner surface of the base tubing 1, to make reaction with the oxygen ions in the solid electrolyte 2, which produces water and emits electrons to the outside. Therein the operating temp. can be made below 700 deg.C by using an oxygen ion electroconductive solid electrolyte of Bi2O3-Y2O3 type, and also deterioration of the battery members by heat be suppressed. Further it is made practicable to use an easy-to-process metal as battery members, and the reliability and operating easiness are enhanced as the whole fuel battery.