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121. 发明专利

JPH01134868A FUEL CELL DEVICE 失效
公开(公告)号：JPH01134868A
公开(公告)日：1989-05-26
申请号：JP29187087
申请日：1987-11-20
申请人： MITSUBISHI ELECTRIC CORP
发明人： MATSUMURA MITSUIE , URUSHIBATA HIROAKI , SATO KAZUNAO , TANAKA TOSHIHIDE
IPC分类号： H01M8/02 , H01M8/04 , H01M8/14 , H01M8/24
摘要： PURPOSE:To make uniform and effective refill of electrolyte quickly even in case the cell is large-sized by transporting the electrolyte between fuel cell and semi-cells with electrochemical drive force, and adjusting quantity and composition of the electrolyte in an electrolyte layer. CONSTITUTION:When an electrochemical circuit 18 is operated, such reactions as O2/2+CO2+2e CO3 and CO3 O2/2+CO2+2e progress at the oxidated gas side electrode 1 and a single electrode 11, to retain electrical neutrality of electrolyte held in a fuel battery 4 and a semi-cell 14, so that pos. ions (K , Li ) easier to move than carbonic acid ion move from the semi-cell 14 to fuel cell 4 via a coupling electrolyte layer 15. When the electrochemical circuit 18 is operated, therefore, the electrolyte is transported from the semi-cell 14 to the fuel cell 4, which refills the electrolyte to the semi-cell 14 through an electrolyte refill pipe 10. The electrolyte moving speed is proportional to the amount of current flowing through an ammeter 16 in the circuit 18, and the current is adjusted by a circuit driving power supply 17 of variable voltage type to adjust the amount of movement of the electrolyte.

122. 发明专利

JPS63289770A FUSED-SALT TYPE FUEL CELL 失效
公开(公告)号：JPS63289770A
公开(公告)日：1988-11-28
申请号：JP12131987
申请日：1987-05-20
申请人： MITSUBISHI ELECTRIC CORP
发明人： URUSHIBATA HIROAKI
IPC分类号： H01M8/02 , H01M8/24
摘要： PURPOSE:To deform a wet sheet section independently and to improve the contact between an electrolyte and an electrode by providing an end member which has the same or a larger creep quantity than that of a fuel electrode or an oxidant electrode between a separator board and a folding part which constitutes the wet sheet which is formed by folding the separator board of a fuel type cell. CONSTITUTION:An end member 13a which has the same or a larger creep quantity than that of a fuel electrode or an oxidant electrode is provided between a separator 1 and a folding part 1a which is formed by folding an end part of the separator board 1 of a fused-salt fuel type fuel cell. The end member 13a which is obtained out of the same material as that of the fuel electrode. A supporting member 14 which is pressed thinner than a fuel side passage board 4 by the thickness of a folding part 1a of a wet seal 10 upgrades the elastic force of the wet seal section 10. A collector board 16, apart from the fuel, is inserted onto the fuel side; an interposition 16 cut out of the collector board 15 is inserted between the folding part 1b and the separator 1; the end member 13b is formed by cutting out of the oxidant electrode 3.

123. 发明专利

JPS62262376A MELTED CARBONATE TYPE FUEL CELL 失效
公开(公告)号：JPS62262376A
公开(公告)日：1987-11-14
申请号：JP10606086
申请日：1986-05-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： URUSHIBATA HIROAKI
IPC分类号： H01M8/02 , H01M8/14
摘要： PURPOSE:To improve the adhesion of an electrical insulator and a base body, and to acquire a melted carbonate type fuel cell to prevent the corrosion of the base body and the loss of electrolyte owing to a pin hole or a crack produced at the electrical insulator, by forming a wet sealing member between the base body and the electrical insulator through an electrolyte-resisting layer which is adhesive to both the insulator and the base body. CONSTITUTION:A stainless material is used as a base body 15. As the material for an electrolyte-resisting layer 17, one metal unit out of Ni, Al, Cr, and Fe, or one alloy mainly of at least one of Ni, Al, Cr, and Fe, such as Ni-Cr, Ni-Al, or Ni-Cr-Al alloy is available, and Al is used for this purpose, tor example. Then a bipolar plate 3 is heat-treated in a reducing atmospheric furnace to make the base body 15 and the Al 17 into alloys. This alloy layer demonstrates a strong anticorrosion property against the melted carbonate, and exercises the thermal expansion rate between that of the Al2O3 layer 16 coated thereover and that of the base body 15. Therefore, it relaxes the difference of the thermal expansion rates of the base body 15 and the Al2O3 16, preventing the easy peeling off of the Al2O3 layer.

124. 发明专利

JPS6124167A Internal reformation type, fused carbonate type fuel cell 失效
标题翻译：内部改造型，熔融碳酸盐型燃料电池
公开(公告)号：JPS6124167A
公开(公告)日：1986-02-01
申请号：JP14631584
申请日：1984-07-13
申请人： Mitsubishi Electric Corp
发明人： MATSUMURA MITSUYA , URUSHIBATA HIROAKI
IPC分类号： H01M8/02 , H01M8/06 , H01M8/14
CPC分类号： H01M8/141 , H01M8/0625
摘要： PURPOSE:To allow a reforming catalyst and a fuel cell to be effectively separated without increasing the diffusion resistance of the reaction gas by inserting an opened porous body between the reforming catalyst and the fuel cell. CONSTITUTION:The fuel gas mainly consisting of hydrogen carbide and steam is fed to a groove 8a filled with a reforming catalyst 7 and a fuel gas passage constituted with an opened porous body 8, and it is reformed into the fuel gas mainly consisting of hydrogen and carbon monoxide via the action of the reforming catalyst 7. These hydrogen and carbon monoxide is diffused through the opening section of the opened porous body 8 and is uniformly fed to the whole surface of an oppositely-provided fuel cell 2 and is dissipated, thus generating electric energy and byproduct thermal energy. Accordingly, the reforming catalyst 7 is spacially separated from the fuel cell 2 via the opened porous body 8, thereby the activity deterioration due to the contact with the electrolyte can be prevented. Moreover, the fuel gas is not prevented from being diffused, thus the activity deterioration of the reforming catalyst 7 is prevented, and the stable cell characteristic can be obtained for a long time.
摘要翻译：目的：通过将开放的多孔体插入重整催化剂和燃料电池之间，可以有效地分离重整催化剂和燃料电池，而不会增加反应气体的扩散阻力。构成：主要由碳氢化合物和蒸汽组成的燃料气体被供给到填充有重整催化剂7的槽8a和由打开的多孔体8构成的燃料气体通道，并且其被重整成主要由氢和一氧化碳通过重整催化剂7的作用。这些氢气和一氧化碳通过开放的多孔体8的开口部分扩散并均匀地供给到相对设置的燃料电池2的整个表面，并被消散，从而产生电能和副产品热能。因此，重整催化剂7经由开放的多孔体8与燃料电池2空间分离，由此可以防止由于与电解质的接触导致的活性劣化。此外，不会阻止燃料气体扩散，因此能够防止重整催化剂7的活性劣化，能够长时间获得稳定的电池特性。

125. 发明专利

JPS6113567A Electrode for fuel cell 失效
标题翻译：燃料电极
公开(公告)号：JPS6113567A
公开(公告)日：1986-01-21
申请号：JP13551184
申请日：1984-06-28
申请人： Mitsubishi Electric Corp
发明人： URUSHIBATA HIROAKI , SATOU KAZUNAO , MURAHASHI TOSHIAKI , MATSUMURA MITSUYA , HIRATA IKUYUKI
IPC分类号： H01M4/86 , H01M8/14
CPC分类号： H01M4/8621 , H01M4/8647 , H01M2008/147 , H01M2300/0051 , Y02E60/526
摘要： PURPOSE:To retard sintering and creep to obtain a low shrinkage electrode by mixing ceramics in a porous body. CONSTITUTION:A porous body having a porosity of 60% is prepared by sintering nickel powder having a particle size of about 3mum. Saturated alkaline solution of KAlO2 is impregnated in the porous body under vacuum. Then the porous body is dried in an oven of 110 deg.C for 1hr to remove moisture, cooled to room temperature, immersed in methanol solution of LiOH, then washed with methanol to remove excess LiOH, then dried in an oven of 110 deg.C for 30min, and heated at 400 deg.C for 4hr to form Li2O.2Al2O3. This treatment is repeated to form Li2O.2Al2O3 having desired weight ratio in a porous body which serves as an electrode. Li2O.2Al2O3 in the porous body is made to react with Li2CO3 at high temperature to convert it to LiAlO2.
摘要翻译：目的：通过在多孔体中混合陶瓷来延缓烧结和蠕变以获得低收缩电极。构成：通过烧结粒径约3μm的镍粉制备孔隙率为60％的多孔体。 KAlO2的饱和碱性溶液在真空下浸渍在多孔体中。然后将多孔体在110℃的烘箱中干燥1小时以除去水分，冷却至室温，浸入LiOH的甲醇溶液中，然后用甲醇洗涤以除去过量的LiOH，然后在110℃的烘箱中干燥。 30分钟，在400℃加热4小时，形成Li2O.2Al2O3。重复该处理以在用作电极的多孔体中形成具有所需重量比的Li 2 O 2·Al 2 O 3。使多孔体中的Li 2 O 2·Al 2 O 3在高温下与Li 2 CO 3反应，将其转化为LiAlO 2。

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