[특허]Solid oxide fuel cell with monolithic core

Solid oxide fuel cell with monolithic core 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-008/10 H01M-002/14
출원번호	US-0027929 (1987-03-19)
발명자 / 주소	McPheeters Charles C. (Plainfield IL) Mrazek Franklin C. (Hickory Hills IL)
출원인 / 주소	University of Chicago (Chicago IL 02)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A solid oxide fuel cell in which fuel and oxidant gases undergo an electrochemical reaction to produce an electrical output includes a monolithic core comprised of a corrugated conductive sheet disposed between upper and lower generally flat sheets. The corrugated sheet includes a plurality of spaced, parallel, elongated slots which form a series of closed, linear, first upper and second lower gas flow channels with the upper and lower sheets within which a fuel gas and an oxidant gas respectively flow. Facing ends of the fuel cell are generally V-shaped and provide for fuel and oxidant gas inlet and outlet flow, respectively, and include inlet and outlet gas flow channels which are continuous with the aforementioned upper fuel gas and lower oxidant gas flow channels. The upper and lower flat sheets and the intermediate corrugated sheet are preferably comprised of ceramic materials and are securely coupled together such as by assembly in the green state and sintering together during firing at high temperatures. A potential difference across the fuel cell, or across a stacked array of similar fuel cells, is generated when an oxidant gas such as air and a fuel such as hydrogen gas is directed through the fuel cell at high temperatures, e.g., between 700°C. and 1100°C.

대표청구항 ▼

A solid oxide fuel cell for electrochemically reacting a flowing fuel gas with a flowing oxidant gas at an elevated temperature in producing a DC output voltage, said solid oxide fuel cell comprising: a thin, generally planar, conductive sheet having a plurality of elongated corrugations along the length thereof and comprised of thin layers of anode and cathode materials and a thin layer of ion conducting electrolyte disposed therebetween, said corrugations forming first and second pluralities of spaced, parallel flow channels on respective first and second opposed surfaces of said conductive sheet, said conductive sheet further including fuel and oxidant gas inlet means at a first edge thereof, for respectively directing a fuel gas into said first flow channels and an oxidant gas into said second flow channels, and fuel and oxidant gas outlet means at a second, opposed edge of said conductive sheet for respectively directing unreacted fuel and oxidant gases out of said solid oxide fuel cell, wherein each of said elongated corrugations of said conductive sheet is comprised of a first intermediate corrugation section and second and third end corrugation sections each coupled to a respective end of said intermediate corrugation section and continuous and forming an angle therewith; and first and second electron conducting interconnecting layers respectively disposed immediately above and below said conductive sheet and bonded to the corrugations thereof so as to confine the fuel gas and the oxidant gas within said first and second flow channels, respectively, and to direct unreacted fuel and oxidant gases flowing in said first and second flow channels out of said solid oxide fuel cell, wherein the DC output voltage is produced across said first and second interconnecting layers, wherein one of said interconnecting layers includes first and second pluralities of spaced, paralle ribs at respective ends thereof which are respectively aligned generally transverse to said second and third end corrugation sections and form therewith said fuel and oxidant gas inlet and outlet means including respective inlet and outlet channels each having a depth approximately one-half that of said first and second flow channels to permit said fuel and oxidant gas inlet channels and said fuel and oxidant gas outlet channels to be arranged in an overlapping manner.

이 특허를 인용한 특허 (25)

Barker, William G.; Berland, Brian S.; Schwartz, Michael; Simpson, Lin; Armstrong, Joseph, Apparatus and method for the design and manufacture of thin-film electrochemical devices.
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Wood, Anthony; He, Hongpeng; Joia, Tahir, Cathode contact layer design for preventing chromium contamination of solid oxide fuel cells.
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Chung, Brandon W.; Pham, Ai Quoc; Glass, Robert S., Co-flow planar SOFC fuel cell stack.
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Franklin, Jerrold E.; Mettler, Eric S., Electrical contacts for fuel cells.
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Harper, James, Electrolytic reactor and related methods for supplementing the air intake of an internal combustion engine.
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Hickey, Darren Bawden, Fuel cell.
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Lawrence,Craig; Salamini,Alexey; MacGregor,Bruce; Bliven,David, Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device.
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Lawrence,Craig; Salamini,Alexey; MacGregor,Bruce; Bliven,David, Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device.
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Hartvigsen Joseph J. (Kaysville UT) Khandkar Ashok C. (Salt Lake City UT) Elangovan Singaravelu (Sandy UT), Fuel cell column heat exchanger mated module.
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Lee, Jae-yong; Choi, Kyoung-hwan; Pak, Chan-ho, Fuel cell stack structure.
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Sasahara, Jun; Cha, Suk Won; Chang-Chien, Amy; Kubota, Tadahiro; Kuriyama, Nariaki; Lee, Sang-Joon J.; Liu, Yaocheng; O'Hayre, Ryan; Prinz, Friedrich B.; Saito, Yuji, Fuel cell with patterned electrolyte/electrode interface.
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Gilman,John; Kearl,Daniel A, High temperature seal.
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Franklin, Jerrold E.; Mettler, Eric S., Integrated and modular BSP/MEA/manifold plates for fuel cells.
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Khandkar Ashok C. ; Elangovan Singaravelu, Integrated reformer/CPN SOFC stack module design.
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Kuenzler, Glenn Howard; Aurongzeb, Deeder, Lamp having metal conductor bonded to ceramic leg member.
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Chou,Yeong Shyung; Meinhardt,Kerry D.; Stevenson,Jeffry W., Methods for making a multi-layer seal for electrochemical devices.
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Chou, Yeong-Shyung; Meinhardt, Kerry D.; Stevenson, Jeffry W., Multi-layer seal for electrochemical devices.
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Chou, Yeong-Shyung; Meinhardt, Kerry D.; Stevenson, Jeffry W., Multi-layer seal for electrochemical devices.
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Grasso, Albert P.; Johnson, Henry G., One piece sleeve gas manifold for cell stack assemblies such as fuel cells.
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Virkar Anil V. ; Kim Jai-Woh ; Fung Kuan-Zong,TWX, Planar solid oxide fuel cell stack with metallic foil interconnect.
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Narang,Subhash; Ventura,Susanna C.; Olmeijer,David L., Polymer electrolyte having acidic, basic and elastomeric subunits.
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Horne, Craig R.; McGovern, William E.; Lynch, Robert B.; Mosso, Ronald J., Reactive deposition for electrochemical cell production.
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Nakanishi Tsuneo (Kanagawa JPX) Koseki Kazuo (Kanagawa JPX) Maruyama Shinichi (Kanagawa JPX) Shundo Hiroyuki (Kanagawa JPX), Solid electrolyte fuel cell.
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Virkar Anil V. ; England Diane M. [14.] A method for carrying out tests on a fluid sample comprising the steps of:(a) placing the fluid sample into a perforable and deformable sample container (b) in, Solid oxide fuel cell interconnector.
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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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