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    • 2. 发明专利
    • FLAT PLATE LAMINATED SOLID ELECTROLYTE TYPE FUEL CELL
    • JPH046753A
    • 1992-01-10
    • JP10690590
    • 1990-04-23
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • SHIMOZU MASATERUIZUMI MASAAKI
    • H01M8/02H01M8/12H01M8/24
    • PURPOSE:To prevent the breakage of unit cells and the peeling of electrode films by forming fuel cells with small electrode films arranged with oxygen electrode films and fuel electrode films at a preset interval respectively, providing many unit cells using a solid electrode film in common, and connecting them in parallel and serially. CONSTITUTION:Oxygen ion conducting YSZ is used for a solid electrolyte film 3, electron conducting La1-xSrxMnO3 is used for an oxygen electrode film 2, and electron conducting thermite of NiO and YSZ is used for a fuel electrode film 4. The small square oxygen electrode film 2 and the small fuel electrode film 4 with the same size are arranged and laminated at symmetrical positions respectively on both faces of the solid electrode 3, and they are regularly arranged at a fine interval into a tile shape. Unit cell groups are connected in parallel and serially via current collecting porous plates 5. The current value flowing in the unit cell groups in made constant, the occurrence of thermal stress is suppressed, and the peeling of electrode films and the breakage of unit cells can be prevented. Nonconducting YSZ 7 is filled between the small electrode films, and the mechanical strength of unit cells is improved.
    • 3. 发明专利
    • METHOD FOR JOINING CERAMICS
    • JPH046177A
    • 1992-01-10
    • JP10679090
    • 1990-04-23
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • IZUMI MASAAKISHIMOZU MASATERU
    • C04B37/02C04B37/00
    • PURPOSE:To improve joining strength by pressing ceramics members consisting of different materials via a specific joint layer and heating the members under pressurization. CONSTITUTION:Ceramics powder of the same compsn. as the compsn. of the ceramics member A and/or the ceramics powder of the same compsn. as the compsn. of the ceramics member B and an org. compd. which is so compounded as to constitute the same compsn. as the compsn. of the component A or the component B or the intermediate compsn. lf these components are dissolved or dispersed in a solvent to obtain a slurry. The above-mentioned slurries of the different compsns. are successively stuck in a laminated form to the surfaces to be joined of the ceramics member A and the ceramics member B consisting of the materials different form the materials of the component A in such a manner that the compsn. changes gradually from the compsn. of the member A to the compsn. of the member B the nearer the member B from the member A, by which the joint layer is formed. The surfaces to be joined of the members A, B are contacted by pressing, pressurized and calcined.
    • 4. 发明专利
    • BONDING OF DIFFERENT KINDS OF CERAMICS
    • JPH04114974A
    • 1992-04-15
    • JP23028190
    • 1990-08-31
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • IZUMI MASAAKISHIMOZU MASATERU
    • C04B37/00
    • PURPOSE:To enable easy and firm bonding of different kinds of ceramics in high efficiency by immersing a ceramic member A in a specific slurry to form a deposition layer of the dissolved or dispersed component of the slurry, pressing a ceramic member B against the deposited layer and heating the assembly. CONSTITUTION:A powdery ceramics (i) having the same composition as a ceramic member A (a) and a slurry sedimentation speed higher than a powdery ceramics (ii) having the same composition as a ceramic member B (b) is produced by adjusting the density and particle size distribution of the powder. A slurry (c) is produced by dissolving or dispersing the ceramic powder (i), the component (ii) and an organometallic compound (iii) in (iv) a solvent. The compound (iii) has a composition similar to that of the component (a) or component (b) or between both components. The component (a) is immersed in the component (c) to form a bonding layer which is a deposition layer composed of the components (i) to (iii) and having the composition gradually varying from the composition of the component (a) to the composition of the component (b) corresponding to the position of the component (a) toward the component (b). The component (b) to be bonded is brought into contact with the bonding layer and hot-pressed to bond the component (a) and the component (b).
    • 5. 发明专利
    • TUNNEL FURNACE
    • JPH0490492A
    • 1992-03-24
    • JP20640690
    • 1990-08-03
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • SHIMOZU MASATERUIZUMI MASAAKIHIRATA SHUZOMAKINO TAKAAKI
    • F27B9/26F27D3/12
    • PURPOSE:To eliminate a warping of a burned member and to get a flat burned member having a high degree of flatness by a method wherein a bogie within a tunnel furnace is moved to perform a burning operation and the burned member is held between a table and a loading weight plate near a burning region by lifting up the table. CONSTITUTION:A tunnel-like furnace 14 is mounted on a floor 1 through a furnace supporting frame 12. A bogie passed through a preheating zone approaches a burning zone, where a caster 30 is rotated along an ascending slope 36 to cause a stem 24 to be pushed up and a table 28 is also gradually pushed up. As the caster 30 approaches a raised portion 40, a burned member is pushed against a lower surface of a loading weight plate 34. Then, under a condition in which the table 28 is lifted up to its upper lifting limit position, the loading weight plate 34 is floated up from a weighting plate mounting table 32, resulting in that a weight of the loading weight plate 34 is fully applied to a flat plate-like burned member on the table 28. Due to this fact, the burned member is burned while being press held between the loading weight plate 34 and the table 28.
    • 6. 发明专利
    • PLATE LAMINATING TYPE SOLID ELECTROLYTE FUEL CELL
    • JPH03252060A
    • 1991-11-11
    • JP5045890
    • 1990-03-01
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • MORIMOTO KIYOYUKISHIMOZU MASATERU
    • H01M8/02H01M8/12
    • PURPOSE:To increase the number of unit cell laminats per unit volume and to improve the volume output density by laminating numerous unit cells through spacers using the spaces between unit cells for fuel flow passages and air flow passages alternatively. CONSTITUTION:A unit cell 1 is composed of a cell member which consists of a plate-form solid electrolyte 3, and a fuel electrode membrane 4 and an oxygen electrode membrane 2 laminated on both sides of the solid electrolyte respectively; and ceramics tubes 6 penetrating the cell member and projecting a specific length to the both electrodes 2 and 4. The ceramics tube 6 furnishes a heatproof metal wire 7 at the center, and has a role to connect the unit cells in series electrically. The unit cells 1 furnishing ceramics tubes for connecting cells in such a way are laminated numerously through spacers 11 making the opposite surfaces in the same sort of electrode membranes, and the spaces between the unit cells are used for exclusive flow passages of the fuel and the air alternatively. As a reslt, it is unnecessary to prepare gas separators and the like. Consequently, the number of laminating unit cells per unit volume can be increased, and the volume output density can be improved.
    • 9. 发明专利
    • COLLECTOR BODY OF SOLID ELECTROLYTE TYPE FUEL BATTERY
    • JPH04123765A
    • 1992-04-23
    • JP24574990
    • 1990-09-14
    • MITSUI SHIPBUILDING ENGNIPPON HAKYO KIKI KAIHATSU
    • SHIMOZU MASATERUMURATA KAZUTOSHI
    • H01M8/02
    • PURPOSE:To manufacture an electric collector body with which electricity generation of a solid electrolyte type fuel battery is improved by using a metal plate, on which an electron-transmissive and oxidation-resistant ceramic is evaporated, as an electric collector body for a solid electrolyte-type fuel battery. CONSTITUTION:After a substrate 5 is heated to, for example at the highest 1000 deg.C in a vacuum container 1 having crucibles 2a and 2b filled with La powder and Cr powder, respectively, as evaporation materials and the pressure of the vacuum container 1 is lowered to 1X10 Torr, oxygen gas in at highest 1X10 Torr is led to the container through a controlling and a stopping valves, and then electricity with optimum accelerating voltage and ionization current for controlling the quality of a film is applied to an ion gun, and when they become stable, reactive evaporation is started. The lanthanum ion beam radiated from the crucible 2a and the chromium ion beam radiated from the crucible 2b are evaporated on the substrate 5 and formed into a film while becoming a LaCrO3-based ceramic in the oxidizing atmosphere due to the oxygen supplied from an oxygen supplying tube 9.