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    • 2. 发明申请
    • Sealing element for anode-supported tubular solid oxide fuel cell and sealing method using the same
    • 用于阳极支撑的管状固体氧化物燃料电池的密封元件及其密封方法
    • US20070231660A1
    • 2007-10-04
    • US11520364
    • 2006-09-13
    • Rak-Hyun SongDong-Ryul ShinTak-Hyung LimJong-Hee KimDong-You ChungHuy-Jeong Son
    • Rak-Hyun SongDong-Ryul ShinTak-Hyung LimJong-Hee KimDong-You ChungHuy-Jeong Son
    • H01M2/08H01M8/12B05D5/12
    • H01M8/0276H01M8/0258H01M8/0282H01M8/0286H01M8/1246Y02E60/525Y02P70/56
    • Disclosed are a sealing element and a sealing method for sealing both ends of an anode-supported tubular solid oxide fuel cell. The sealing element includes a coupling tube having a first end portion opened to an exterior and a second end portion having a perforation hole, in which the coupling tube is formed with an internal cavity having a shape corresponding to an external appearance of an end portion of the fuel cell; and a flow tube extending outward from the center of the second end portion of the coupling tube and being formed with a hollow section, which axially extends while communicating with the perforation hole of the coupling tube. The sealing method includes the steps of cleaning the sealing element and the fuel cell; surrounding an outer peripheral surface of an electrolyte layer formed on both ends of the fuel cell with a metallic filler material such that the electrolyte layer does not make contact with a cathode, inserting the fuel cell into a connection tube of the sealing element, heating and melting the metallic filler material, and solidifying the melted metallic filler material. The sealing element improves the endurance and performance of the fuel cell. Since it is possible to use the sealing element as an anode collector, a fuel cell stack having a simple structure is realized.
    • 公开了用于密封阳极支撑的管状固体氧化物燃料电池的两端的密封元件和密封方法。 密封元件包括具有向外部开口的第一端部和具有穿孔的第二端部的联接管,其中联接管形成有内部空腔,该内部空腔的形状对应于 燃料电池; 以及从联接管的第二端部的中心向外延伸并形成有与连接管的穿孔连通的轴向延伸的中空部的流动管。 密封方法包括清洁密封元件和燃料电池的步骤; 围绕形成在燃料电池两端的电解质层的外周面,用金属填充材料使得电解质层不与阴极接触,将燃料电池插入到密封元件的连接管中,加热和 熔化金属填充材料,并固化熔融的金属填料。 密封元件提高燃料电池的耐久性和性能。 由于可以使用密封元件作为阳极集电体,因此实现了具有简单结构的燃料电池堆。
    • 8. 发明授权
    • Fuel electrode-supported tubular solid oxide fuel cell and method of manufacturing the same
    • 燃料电极支撑的管状固体氧化物燃料电池及其制造方法
    • US06436565B1
    • 2002-08-20
    • US09611990
    • 2000-07-07
    • Rak-Hyun SongDong-Ryul ShinEung-Yong KimHarumi Yokokawa
    • Rak-Hyun SongDong-Ryul ShinEung-Yong KimHarumi Yokokawa
    • H01M812
    • H01M8/1231H01M4/9066H01M2300/0077Y02P70/56
    • A method of making and fuel electrode-supported solid oxide fuel cell (SOFC). For manufacturing the SOFC, YSZ powder containing 30 to 50 vol % of Ni is mixed with carbon powder to give a fuel electrolyte slurry which is pre-sintered, coated on a fuel electrode tube, and then the coated tube is sintered. An air electrode slurry made of (La, Sr)MnO3 powder is coated on the electrolyte-coated tube and sintered. The fuel electrode of the metal (Ni/ceramic (YSZ) cermet of the SOFC is a support and the electrolyte layer underlaying the air electrode is coated as a thin film. At about 1,000° C., the Ni components of the fuel electrode are connected to each other like a mesh, improving the fuel electrode strength while the porous fuel electrode allows the sufficient permeation of fuel gas, thereby providing a large economical profit in the production cost without degradation of fuel cell performance.
    • 一种制备燃料电极的固体氧化物燃料电池(SOFC)的方法。 为了制造SOFC,将含有30〜50体积%的Ni的YSZ粉末与碳粉末混合,得到预烧结的燃料电解质浆料,涂布在燃料极管上,然后烧结涂敷管。 将由(La,Sr)MnO 3粉末制成的空气电极浆料涂覆在电解质涂覆的管上并烧结。 SOFC的金属(Ni /陶瓷(YSZ)金属陶瓷)的燃料电极是支撑体,并且覆盖空气电极的电解质层被涂覆为薄膜,在约1000℃时,燃料电极的Ni成分为 彼此连接,像网状物一样,提高燃料电极强度,同时多孔燃料电极允许燃料气体的充分渗透,从而在不降低燃料电池性能的情况下在生产成本中提供大的经济利益。
    • 10. 发明授权
    • Method for manufacturing electrode for fuel cell
    • 燃料电池用电极的制造方法
    • US5935643A
    • 1999-08-10
    • US991336
    • 1997-12-16
    • Rak-Hyun SongDong-Ryul ShinChang-Soo KimByung-Rok Lee
    • Rak-Hyun SongDong-Ryul ShinChang-Soo KimByung-Rok Lee
    • H01M8/00H01M4/88H01M4/92B05D5/12
    • H01M4/8828H01M4/8885H01M4/8896H01M4/926Y10T29/49108
    • There is disclosed a method for manufacturing an electrode for phosphate type fuel cells, utilizing a combination of a coating process and a rolling process. Carbon paper is waterproofed to give an electrode support. Separately, platinum-dispersed carbon powder (Pt/C) is added in a solvent and mechanically stirred to give a homogeneous mixture which is, then, added with a PTFE emulsion at an amount of about 40-55 wt % and stirred. Another stirring is executed in the presence of a bridge-builder and a peptization agent, to produce an electrocatalyst layer slurry. Using a coating apparatus, the electrocatalyst slurry is coated upon the electrode support in a uniform thickness. The resulting structure is dried for 30 min in an inert atmosphere of 225.degree. C. to completely remove the solvent from the catalyst layer, passed through a rolling apparatus and subjected to sintering for 30 min in an inert atmosphere of 350.degree. C., to produce the electrode. It exhibits the advantages of few cracks in the electrocatalyst layer and strong adhesiveness between the electrode support and the electrocatalyst layer.
    • 公开了利用涂布工艺和轧制工艺的组合来制造磷酸盐型燃料电池用电极的方法。 碳纸防水,以提供电极支撑。 另外,将铂分散的碳粉末(Pt / C)加入到溶剂中并机械搅拌,得到均匀的混合物,然后加入约40-55重量%的PTFE乳液并搅拌。 在桥式助洗剂和胶溶剂的存在下进行另一个搅拌,以产生电催化剂层浆料。 使用涂布设备,电极催化剂浆料以均匀的厚度涂覆在电极支撑体上。 所得结构在225℃的惰性气氛中干燥30分钟,从催化剂层中完全除去溶剂,通过轧制设备,并在350℃的惰性气氛中烧结30分钟,至 产生电极。 表现出电催化层裂缝少,电极载体与电催化剂层之间密合性强的优点。