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1. 发明专利

JP2000058081A GAS SEPARATOR FOR SOLID-ELECTROLYTE TYPE FUEL CELL AND SOLID-ELECTROLYTE TYPE FUEL CELL USING SAME 失效
公开(公告)号：JP2000058081A
公开(公告)日：2000-02-25
申请号：JP22285198
申请日：1998-08-06
申请人： MITSUI SHIPBUILDING ENG
发明人： SHIMOZU MASATERU , IZUMI MASAAKI , MURATA KAZUTOSHI , NISHIMURA NAOYUKI
IPC分类号： H01M8/02 , H01M8/12
摘要： PROBLEM TO BE SOLVED: To provide a durable, box-shaped gas separator capable of enclosing unit cells at forming a solid-electrolyte type fuel cell that is a layered body of the unit cells. SOLUTION: In this a gas separator for a solid-electrolyte type fuel cell, a gas separator 1 has a frame body part 2 of a fixed thickness, a flat plate part 3 surrounded by the frame body part 2, a plurality of through-holes 4 for electron passages bored through the flat plate part 3, and a shelf stage 5 provided along the inner circumference of the frame body part 2 and having a height substantially one-half of the difference in level between the frame body part 2 and the flat plate part 3, and the frame body part 2, a shelf stage 5a, and the flat plate part 3, together form a spatial part for storing unit cells and current collectors.

2. 发明专利

JP2002053395A METHOD FOR PRODUCING alpha-SiC WAFER 失效
公开(公告)号：JP2002053395A
公开(公告)日：2002-02-19
申请号：JP2001157668
申请日：2001-05-25
申请人： MITSUI SHIPBUILDING ENG
发明人： NISHINO SHIGEHIRO , MURATA KAZUTOSHI , KAYANE MIHARU
IPC分类号： C01B31/36 , C30B23/02 , C30B29/36
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an α-SiC wafer, by which the α-SiC crystal can be stably and inexpensively produced in a good reproducibility and in a large quantity without using a high price seed crystal substrate difficult to obtain. SOLUTION: This method for producing the α-SiC crystal comprises growing the α-SiC crystal on a substrate by a sublimation recrystallization method of an SiC powder. In the method for producing the α-SiC crystal, a β-SiC polycrystal produced by a CVD method is used as the substrate, and then α-SiC having a thickness thicker by 100 to 500 μm than the final thickness of the wafer is grown on the substrate mentioned above. Thereafter, the wafer of α-SiC phase is produced without cutting the grown bulk layer.

3. 发明专利

JPH08231280A SOLID ELECTROLYTE-TYPE FUEL CELL 失效
公开(公告)号：JPH08231280A
公开(公告)日：1996-09-10
申请号：JP3826295
申请日：1995-02-27
申请人： MITSUI SHIPBUILDING ENG
发明人： NISHIMURA NAOYUKI , MURATA KAZUTOSHI
IPC分类号： C04B37/00 , H01M8/02 , H01M8/24
摘要： 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

4. 发明专利

JPH06111833A SOLID ELECTROLYTE TYPE FUEL CELL 失效
公开(公告)号：JPH06111833A
公开(公告)日：1994-04-22
申请号：JP25674792
申请日：1992-09-25
申请人： MITSUI SHIPBUILDING ENG
发明人： HIRATA SHUZO , MAKINO TAKAAKI , KUWAJIMA TERUO , MURATA KAZUTOSHI , SHIMOZU MASATERU
IPC分类号： C04B35/48 , H01B1/06 , H01M8/02 , H01M8/12
摘要： PURPOSE:To provide a fuel cell, having no thermal expansion difference between the composition member of an SOFC and YSZ, electrolyte material, also no distortion and no deformation and excellent in high temperature strength. CONSTITUTION:MgO, MgAl2O4, and YSZ pulverized respectively, then magnesia and spinel are mixed at 1/9-1/1 at a weight ratio, CaO is added by a given % as an assistant, and a resultant is formed by a doctor blade method. Then many single cells 11, in which collecting porous plates 28 abut on both upper and lower electrode surfaces are laminated via gas separators l baked at a constant temperature, to be adopted as fuel cell battery stacks, and the stacks are housed in a given box body to form a solid electrolyte type fuel cell. This provides a fuel cell, inexpensive, light, and moreover excellent in high temperature strength, and having no torsion and a high sealing property.

5. 发明专利

JPH03228878A METHOD FOR BONDING CERAMIC AND METAL 失效
公开(公告)号：JPH03228878A
公开(公告)日：1991-10-09
申请号：JP2414190
申请日：1990-02-02
申请人： MITSUI SHIPBUILDING ENG , NIPPON KAKYO KIKI KAIHATSU
发明人： IZUMI MASAAKI , SHIMOZU MASATERU , MURATA KAZUTOSHI
IPC分类号： B23K1/19 , C04B37/02
摘要： PURPOSE:To bond a ceramic and a metallic member at low temp. and pressure with high strength in a short time by forming a ceramic coating film on the surface of the metallic member to be bonded, depositing a slurry having a specified composition on the surface to be bonded, abutting both members on each other, pressing and heating the assembly. CONSTITUTION:When a ceramics and a metallic member are bonded, a ceramic coating film is firstly formed on the surface of the metallic member to be bonded. Meanwhile, a formulation of organometallic compds. (e.g. a mixture of lanthanum octylate, calcium octylate and acetylacetone chromium) having the same composition as the ceramic member (e.g. La-Ca-Cr-O-based ceramic) and the powder of the ceramics are dissolved or dispersed in a solvent to produce a slurry. The slurry is deposited on the surface of the ceramic coating film and/or the surface of the ceramic member to be bonded, the surfaces of both members to be bonded are abutted on each other, and the assembly is pressed and heated to bond both members.

6. 发明专利

JPH01267963A FUEL BATTERY WITH SOLID ELECTROLYTE 失效
公开(公告)号：JPH01267963A
公开(公告)日：1989-10-25
申请号：JP9765788
申请日：1988-04-20
申请人： MITSUI SHIPBUILDING ENG , NIPPON KAKYO KIKI KAIHATSU
发明人： SHIMOZU MASATERU , MIURA KENZO , NANBA MASAO , MURATA KAZUTOSHI
IPC分类号： H01M8/12 , H01M8/24
摘要： 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.

7. 发明专利

JP2560930B2 失效
公开(公告)号：JP2560930B2
公开(公告)日：1996-12-04
申请号：JP18080691
申请日：1991-07-22
申请人： MITSUI SHIPBUILDING ENG
发明人： MURATA KAZUTOSHI , MAKINO TAKAAKI , SHIMOZU MASATERU
IPC分类号： B28B11/06 , C04B41/88

8. 发明专利

JPH06223849A JOINT MATERIAL FOR SOLID ELECTROLYTE TYPE FUEL CELL STACK AND ITS MANUFACTURE 失效
公开(公告)号：JPH06223849A
公开(公告)日：1994-08-12
申请号：JP1262493
申请日：1993-01-28
申请人： MITSUI SHIPBUILDING ENG
发明人： MURATA KAZUTOSHI
IPC分类号： H01M8/02 , H01M8/12
摘要： PURPOSE:To provide a joint face with smaller electric contact resistance by jointing nickel cermet containing 0.1-10wt% SiO2 with porous ceramics of porosity 30-80%. CONSTITUTION:Nickel cermet is composite material such as Ni-ZrO2 that a metal oxide phase is combined with a nickel phase. For nickel cermet powder, 0.1-10wt% SiO2 crushed into 10-130mum pieces is added thereto. By using porous ceramics 8 of porosity 30-80% as joint, material, a fuel side electrode film 5 of a single cell is jointed to an interconnector 6. Then, the joint material 8 is filled in the rough joint face between the electrode film 5 and the connector 6 and the joint face has good joint performance with small electric contact resistance. The joint material has small deformability and sufficient strength at a preset temperature but it is relatively deformable at a higher temperature under the condition that at unit cell and the connector 6 are jointed together.

9. 发明专利

JPH0524029A SURFACE-TREATMENT PROCESS OF CERAMIC BASE MATERIAL 失效
公开(公告)号：JPH0524029A
公开(公告)日：1993-02-02
申请号：JP18080691
申请日：1991-07-22
申请人： MITSUI SHIPBUILDING ENG
发明人： MURATA KAZUTOSHI , MAKINO TAKAAKI , SHIMOZU MASATERU
IPC分类号： B28B11/06 , C04B41/88
摘要： PURPOSE:To form the coating layer composed of cermet with high sticking strength easily at low cost which is effective in brazing, etc., on the surface of ceramic base material. CONSTITUTION:After the powder of the composite material composed of ceramic and metallic oxide has been stuck onto the surface of unbaked ceramic green object 3, it is baked and formed, and then the formed coating layer is reduced. Consequently, cermet-coating layer with high sticking strength may be formed easily of low cost.

10. 发明专利

JPH01267964A FUEL BATTERY WITH SOLID ELECTROLYTE 失效
公开(公告)号：JPH01267964A
公开(公告)日：1989-10-25
申请号：JP9765688
申请日：1988-04-20
申请人： MITSUI SHIPBUILDING ENG , NIPPON KAKYO KIKI KAIHATSU
发明人： SHIMOZU MASATERU , MIURA KENZO , NANBA MASAO , MURATA KAZUTOSHI
IPC分类号： H01M8/12 , H01M8/24
摘要： PURPOSE:To increase the number of unitary cells per unit area and raise the output density in power generation by arranging a number of unitary cells concentrically, and forming a fuel battery stack. CONSTITUTION:Each unitary cell is composed of a base tubing 1 consisting of a bottomed cylinder made in porous substance, an oxygen side electrode 3 in the form of laminate on the outer surface of this base tubing 1, and a fuel side electrode 4. Thus a number of unitary cells 5a-5d are made by the use of base tubings with different dias. and heights, and the shape of each unitary cell is in a cylinder with its one end closed, and they can be arranged concentrically by varying the dia. and height steppedly. Thus the number of unitary cells per unit area is increased, and the output density in power generation raised.

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