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    • 3. 发明申请
    • FUEL CELL ASSEMBLY WITH INTERNAL AND EXTERNAL GAS DISTRIBUTION DEVICES
    • 与内部和外部气体分配装置的燃料电池装置
    • WO1998044582A1
    • 1998-10-08
    • PCT/EP1998001727
    • 1998-03-24
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBHKRAUS, PeterROLF, Stefan
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH
    • H01M08/24
    • H01M8/2483H01M8/04014H01M8/04022H01M8/241H01M8/244H01M8/247H01M8/2484H01M2008/147H01M2300/0051Y02E60/526
    • The invention relates to a fuel cell assembly with a number of fuel cells arranged in a stack (1), each fuel cell containing an anode (2), an electrolyte matrix (3) and a cathode (4). Each fuel cell also has an anode input (11), an anode output (12), a cathode input (13) and a cathode output (14) by which means fuel gas and cathode gas can enter or leave. According to the invention, the fuel gas is conveyed to the anode input (11) of the fuel cells via an internal gas distribution device (51) which distributes the gas current inside the fuel cells. The cathode gas, on the other hand, is led to or away from the cathode input (13) and/or cathode output (14) by means of the external gas distribution devices (43, 44) which distribute the gas current to the fuel cells outside. According to various embodiments of the invention, the currents of fuel gas and cathode gas run through the fuel cells in a cross current, a counter-current or direct current. Additional measures are taken for the integrated catalytic oxidation of fuel gas residues.
    • 它包含在每种情况下一个阳极具有多个燃料电池组件(2),电解质基质(3)和阴极(4),在燃料电池堆(1)中描述的布置的燃料电池。 每个燃料电池具有阳极输入端(11),阳极输出(12),阴极入口(13)和用于燃料气体和阴极气体的供应和排出的阴极输出(14)。 根据本发明的燃料气体向燃料电池的阳极入口(11)经由气体流动的燃料电池内部的气体分配装置(51)内循环的阴极输入端(13)和外/或在阴极输出(14)通过气体流的装置提供,而阴极气体 分配(43,44)被提供或由其排出的燃料电池的外部气体分配装置。 根据通过燃料气体和阴极气体的流的本发明的实施例中,燃料电池中的横流,逆流或直流电,其中,另外采取措施用于燃料气体的残基的集成催化氧化。
    • 6. 发明申请
    • ELECTROLYZER, ISOLATED BY ENCAPSULATION WITH RESPECT TO PRESSURIZED WATER
    • DRUCKWASSERGEKAPSELTER电解槽
    • WO1998027249A1
    • 1998-06-25
    • PCT/EP1997007080
    • 1997-12-17
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBHHOFMANN, HansMÜLLER-FROELICH, Lutz
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH
    • C25B09/00
    • C25B1/12C25B9/00C25B9/04Y02E60/366
    • The invention relates to an electrolyzer for the electrolysis of water in hydrogen and oxygen with a number of electrolytic cells, each containing an anode and a cathode, connected in series in a cell block (1) surrounded by a pressure vessel (2). At one end of the cell block (1) is a first electrode (anode 3), and at the opposite end of the cell block is a second electrode (cathode 4). Both are connected with leading-in cables (5, 6), which run through the pressure vessel (2) and conduct the electric current to the cell block (1), the interior of the pressure vessel (2) being filled with pressurized water (7) surrounding the cell block (1). In accordance with the invention, it is envisaged that the first electrode (3) is placed inside the cell block (1) so as to be electrically isolated, by encapsulation, with respect to the pressurized water (7), and that there is a channel (8), sealed against the pressurized water (7), that leads from the cell block through the pressurized vessel (2) to the outside. Through this channel, the leading-in cable (5), which is connected with the first electrode (3), is led to said first electrode (3).
    • 它串联连接在用于水的电解成氢和氧与多个封闭在压力容器中的一个电解槽(2)细胞块(1)在每种情况下所描述的阳极和包含电解电池的阴极,其中,在所述单元块的一端(1) 一个第一电极(阳极3)位于与在所述单元块的相对端的第二电极(阴极4),它们分别通过压力容器龙头(2)中,电流供给导线(5,6),用于将电流供给到电池块(1) 被连接时,与所述压力容器(2)填充在单元块的内部(1)周围的加压水(7)。 根据本发明,提供的是,第一电极(3)中的单元块的内部(1)相对于所述加压水(7)被布置成包封的电绝缘,并且所述单元块(1)至所述压力容器(2)向外部 并且通向加压水(7)的密封通道(8)由连接到设置在所述第一电极(3)的电源(5)被引导到所述第一电极(3)。
    • 8. 发明申请
    • CURRENT COLLECTOR FOR A FUEL CELL AND A METHOD OF MANUFACTURING THE SAME
    • 集电器用于生产燃料电池和过程
    • WO1996020507A1
    • 1996-07-04
    • PCT/EP1995005111
    • 1995-12-22
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBHKRAUS, PeterNITSCHKE, FelixWIND, Jörg
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH
    • H01M08/02
    • H01M4/669H01M4/664H01M8/0204H01M8/0206Y02P70/56
    • The invention relates to a fuel cell current collector made of a special steel alloy, the latter forming a corrosion-resistant oxide coating on the current collector surface. The current collector (5) contains a doping agent at its surface, the valency of the doping agent being different from that of the cations contained in the oxide layer. The doping agent can either be deposited on the surface of the current collector or can be a component of the steel alloy used for the current collector. The doping agent used can be a chromium-containing special steel alloy which forms a lithium ferrite layer on its surface, e.g. cobalt or one or more of the elements cobalt, manganese, copper, magnesium. The invention results in a current collector which, while having good corrosion resistance, also has high conductivity and is suitable in particular for use with high-temperature fuel cells based on lithium-potassium, lithium-sodium or lithium-sodium-potassium-carbonate electrolytes. It can be used to particular advantage as the cathode-side current collector in a high-temperature fuel cell of this type.
    • 它是用于其由不锈钢合金制成的燃料电池的电流收集器,其形成在集电体的腐蚀氧化膜,所描述的抗性,其中所述集电体(5)包含在其表面上的掺杂材料的表面上,其比其它化合价 包含在氧化物层中的阳离子。 掺杂剂材料可以任选地施加到集电体的表面,或者是用于生产的集电体的钢合金的成分。 作为掺杂剂材料可以包含在其表面上形成锂层的铁素体铬不锈钢合金,例如的情况下 钴或一种或可以提供更多的元素钴,锰,铜,镁。 本发明提供一种集流器被提供,其具有高导电性和特别是用于在高温燃料电池使用了锂钾,锂,钠或锂 - 钠 - 钾良好的耐腐蚀性Karbonatelektrolyten是合适的。 特别有利的是作为阴极侧集电体在这样的高温型燃料电池使用。
    • 9. 发明申请
    • PROCESS FOR OPERATING A FUEL CELL ARRANGEMENT
    • 一种用于运行的燃料电池装置
    • WO1997044844A1
    • 1997-11-27
    • PCT/EP1997002474
    • 1997-05-15
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBHHOFFMANN, Joachim
    • MTU MOTOREN- UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH
    • H01M08/04
    • H01M8/247H01M8/04014H01M8/04022H01M8/04097
    • The description relates to a process for operating a fuel cell arrangement (1) consisting of a number of fuel cells, in which fuel gas is supplied to the anodes of the fuel cells at an anode inlet (5), anode exhaust gas is removed from the anodes at an anode outlet (6), cathode gas is supplied to the cathodes of the fuel cells at a cathode inlet (7) and the cathode exhaust gas is removed from the cathodes at a cathode outlet (8). According to the invention, the oxygen concentration is measured at least at one point in the flow path of the cathode gas and/or the anode gas by means of a lambda sensor and the flows of anode and/or cathode gas are adjusted depending on the result of the oxygen concentration measurement. The process is especially advantageous in controlling the gas composition in the operation of a fuel cell arrangement in which part of the cathode exhaust gas is returned from the cathode outlet (8) to the cathode inlet (7) and at least a part of the anode exhaust gas from the anode outlet (6) is mixed with the returned cathode gas.
    • 有一种操作数上的阳极入口供应到燃料电池的阳极(5)的燃料气体中,说明燃料电池(1)的构成的燃料电池组件,到阳极输出(6)阳极废气从阳极中排出的方法中,在阴极输入 (7)供给到燃料电池的阴极,并在阴极出口(8)从所述阴极排出的阴极废气的阴极气体。 根据本发明,通过λ探针的装置中的氧浓度至少测定在阴极气体和/或阳极气体和阳极气体和/或阴极气体的响应于对氧浓度的测量值的流的流动路径的一个点进行调整。 特别有利的是控制在其返回的阴极废气的一部分从阴极出口(8)阴极入口(7)和至少一个阳极排气气体从所述阳极出口部分的燃料电池装置的操作中的气体组合物的方法,(6)与再循环的阴极气体混合。