[특허]Solid oxide fuel cell stacking assembly

Solid oxide fuel cell stacking assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-002/14
출원번호	US-0215068 (1994-03-18)
발명자 / 주소	Gibson Richard (Torrance CA) MacKnight Allen (Lakewood CA)
출원인 / 주소	Allied Signal Inc. (02)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A solid oxide fuel cell stacking assembly is formed of a stack of fuel cell assemblies, manifolds to introduce the reactants to the fuel cell and carry away reaction products and unused reactants, and current collectors at the ends of the stack of assemblies. Each fuel cell assembly is formed of at least two fuel cell subassemblies and an interconnect subassembly disposed between each pair of fuel cell subassemblies. The current collectors at the ends of the stack are preferably in the form of terminal subassemblies. Each subassembly includes a manifold plate, an annular plate-type bellows sealed to a through-plate opening in the manifold plate, and a central element sealed to the inner diameter of the bellows. In the case of the fuel cell assembly, the central element is multilayer fuel cell plate having an electrolyte layer sandwiched between an anode layer and a cathode layer. In the case of the interconnect assembly and the terminal assembly, the central element is a metallic plate with protrusions that make contact to the adjacent fuel cell plate. The combination of the bellows and the protrusions accommodate dimensional changes within the fuel cell.

대표청구항 ▼

A solid oxide fuel cell stacking assembly that utilizes a first reactant and a second reactant to produce electrical power, comprising: a stack having at least one fuel cell assembly, each fuel cell assembly comprising at least two fuel cell plate subassemblies, each of which fuel cell plate subassemblies includes a fuel cell manifold plate having a fuel cell manifold plate through-plate central opening therethrough, an annular fuel cell plate bellows disposed within the fuel cell manifold plate central opening and sealed to the fuel cell manifold plate, the fuel cell plate bellows having a fuel cell plate bellows central opening therethrough, and a fuel cell plate disposed within the fuel cell plate bellows central opening and sealed to the fuel cell plate bellows; at least one interconnect subassembly, there being an interconnect subassembly disposed between each pair of fuel cell plate subassemblies, each interconnect subassembly including an interconnect manifold plate having a first-reactant transverse flow channel on a first side thereof, a second-reactant transverse flow channel on a second side thereof, and an interconnect manifold through-plate central opening therethrough, an annular interconnect bellows disposed within the interconnect manifold central opening and sealed to the interconnect manifold, the interconnect bellows having an interconnect bellows central opening therethrough, and an electrically conductive interconnect plate disposed within the interconnect bellows central opening and sealed to the interconnect bellows, the interconnect plate being impermeable to the first reactant and the second reactant and having compliant metallic interconnect protrusions extending therefrom on each side thereof; means for establishing electrical connection to each end of the stack; means for introducing a first reactant into a first end of each of the first-reactant transverse flow channels and removing first reactant from a second end of each of the first-reactant transverse flow channels; and means for introducing a second reactant into a first end of each of the second-reactant transverse flow channels and removing second reactant from a second end of each of the second-reactant transverse flow channels.

이 특허를 인용한 특허 (43)

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Homma, Hiroki; Izumi, Masahiko, Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surface.
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Warrier, Sunil G.; Yamanis, Jean; Tulyani, Sonia; Benn, Raymond C., Compliant seals for solid oxide fuel cell stack.
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Minh Nguyen Q., Design for solid oxide fuel cell stacks.
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Delfino, Antonio; Olsommer, David; Buchi, Felix, Flexible graphite/metal distribution plate for a fuel cell assembly.
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Allen, Jeffrey P., Fuel cell bipolar separator plate and current collector assembly and method of manufacture.
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Allen,Jeffrey P., Fuel cell bipolar separator plate and current collector assembly and method of manufacture.
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Allen, Jeffrey Peter, Fuel cell current collector.
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Jeffrey Peter Allen, Fuel cell current collector.
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McElroy, James F., Fuel cell interconnect.
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McElroy, James F.; Gottmann, Matthias; Couse, Stephen, Fuel cell interconnect.
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Couse, Stephen; Darga, Daniel; Herchen, Harald; Karuppaiah, Chockkalingam, Fuel cell interconnects and methods of fabrication.
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Lersch, Josef; Mattejat, Arno; Strasser, Karl, Fuel cell module comprising a magnetic shielding.
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Allen, Jeffrey P., Fuel cell stack assembly.
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Kelly, Sean M.; England, Diane M.; Mukerjee, Subhasish; Weber, John, Fuel cell stack having a featured interconnect element.
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Allen, Jeffrey P., Fuel cell with internal thermally integrated autothermal reformer.
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Couse, Steven; Tang, Zheng, Solid oxide fuel cell stack with floating cells.
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McPheeters Charles C. ; Dees Dennis W. ; Myles Kevin M., Solid oxide fuel cell with multi-unit construction and prismatic design.
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Richardson,Curtis A.; Haltiner, Jr.,Karl J.; Kelly,Sean M.; Edlinger,Bernard, Thermal and vibrational break for high-temperature gas tubes in a solid-oxide fuel cell.
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