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    • 1. 发明专利
    • Method for forming protection film, member for cell connection, and cell for solid oxide fuel battery use
    • 用于形成保护膜的方法,用于电池连接的部件和用于固体氧化物燃料电池的电池
    • JP2014067491A
    • 2014-04-17
    • JP2012209920
    • 2012-09-24
    • Osaka Gas Co Ltd大阪瓦斯株式会社Shimizu:Kk株式会社シミズ
    • SAITO TEINONAKA HIDEMASAINOUE SHUICHIYODA MASAKAZUTAKUWA YUYANISHIMURA SHIGEFUMITSUKAMOTO ZENZO
    • H01M8/02C23C24/08C25D13/00C25D13/10H01M8/12
    • Y02E60/525
    • PROBLEM TO BE SOLVED: To provide a member for cell connection which has high durability, and can be used with stability over a long period of time, and to provide a cell for SOFC use.SOLUTION: A method for forming a protection film on a surface of a base material made of a Cr-containing alloy or oxide and used for a cell for solid oxide fuel battery use comprises a first electro-deposition step for forming a first electro-deposition coating film by use of an anion-type resin mixture solution including, in its solid content, 30 mass% or more of metal oxide fine particles, a water-rinse step for rinsing, by water, the first electro-deposition coating film formed in the first electro-deposition step, and a second electro-deposition step for forming a second electro-deposition coating film on a surface of the first electro-deposition coating film on which water rinse has been completed, provided the above steps are conducted in this order, and a calcination step for forming calcination films composed of the first and second electro-deposition coating films with resin components lost therein by calcining the electro-deposition coating films, and a sintering step for forming a protection film including a metal oxide by sintering the calcination films.
    • 要解决的问题:提供一种具有高耐久性并且可以长时间稳定使用的电池连接部件,并提供用于SOFC使用的电池。解决方案:一种用于在保护膜上形成保护膜的方法 用于固体氧化物燃料电池用电池的由含Cr合金或氧化物制成的基材的表面包括:通过使用阴离子型树脂混合物形成第一电沉积涂膜的第一电沉积步骤 溶液,其固体含量为30质量%以上的金属氧化物微粒,通过水漂洗第一电沉积步骤中形成的第一电沉积涂膜的水漂洗步骤和第二电解 - 在第一电沉积涂膜的表面上形成第二电沉积涂膜的沉积步骤,其上完成了上述步骤,并且形成煅烧过程的煅烧步骤 由通过煅烧电沉积涂膜而损失在其中的具有树脂成分的第一和第二电沉积涂膜组成的ms,以及通过烧结煅烧膜形成包括金属氧化物的保护膜的烧结步骤。
    • 3. 发明专利
    • Protective film formation method, cell connection member and solid oxide fuel cell
    • 保护膜形成方法,细胞连接构件和固体氧化物燃料电池
    • JP2012212651A
    • 2012-11-01
    • JP2011271447
    • 2011-12-12
    • Osaka Gas Co LtdShimizu:Kk大阪瓦斯株式会社株式会社シミズ
    • INOUE SHUICHINONAKA HIDEMASASAITO TEITAKUWA YUYAYODA MASAKAZUNISHIMURA SHIGEFUMITSUKAMOTO ZENZO
    • H01M8/02H01M8/12
    • Y02E60/525
    • PROBLEM TO BE SOLVED: To provide a technology of forming a more uniform and dense protective film 12 on the surface of a substrate composed of an alloy, or the like, containing Cr that is used in a cell for SOFC, and to provide a cell for SOFC using that protective film 12.SOLUTION: When forming a protective film 12 on the surface of a substrate containing Cr that is used in a cell for SOFC, an electrodeposition step for forming an electrodeposition film on the surface of a substrate by anion electrodeposition coating method by using a mixture of metal oxide fine particles and an anion type resin is carried out, a calcination step for forming a calcined film by calcining the electrodeposition coating and burning out the resin component therein is carried out, and then a sintering step for forming a protective film 12 composed of a metal oxide by sintering the calcined film is carried out.
    • 要解决的问题:提供一种在包含用于SOFC的电池中的Cr的合金等构成的基板的表面上形成更均匀且致密的保护膜12的技术,以及 提供使用该保护膜12的SOFC的电池。解决方案:在包含用于SOFC的电池中的含有Cr的基板的表面上形成保护膜12时,在表面形成电沉积膜的电沉积步骤 通过使用金属氧化物微粒和阴离子型树脂的混合物的阴离子电沉积涂布法进行基板的煅烧步骤,通过煅烧电沉积涂层并烧结树脂成分来形成煅烧膜的煅烧步骤, 然后进行通过烧结煅烧膜形成由金属氧化物构成的保护膜12的烧结步骤。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Method of manufacturing inter-cell connection member and solid oxide fuel cell
    • 制造细胞间连接构件和固体氧化物燃料电池的方法
    • JP2014112499A
    • 2014-06-19
    • JP2012266673
    • 2012-12-05
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • YODA MASAKAZUSUZUKI MINORUINOUE SHUICHI
    • H01M8/02H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a technique for making a sintering aid for densely forming a protective film work more effectively and enhancing adhesion between the protective film and a base material when the protective film is formed on the base material of an inter-cell connection member.SOLUTION: Disclosed is a method of manufacturing an inter-cell connection member in which, on a base material 11 made of an alloy containing Cr or an oxide, a protective film 12 is formed which is made of a conductive metal oxide. A first unsintered coat containing a conductive metal oxide fine particle as a main component is formed on the base material 11, a second unsintered coat containing a sintering aid as the main component on the coat, and the first coat and the second coat are sintered together to form the protective film 12.
    • 要解决的问题:为了提供一种用于制造用于密集形成保护膜的烧结助剂的技术,并且当在电池间连接的基材上形成保护膜时,提高保护膜和基材之间的粘附性 本发明公开了一种制造单元间连接构件的方法,其中,在由含有Cr或氧化物的合金制成的基材11上形成由导电金属氧化物制成的保护膜12。 在基材11上形成含有导电性金属氧化物微粒作为主要成分的第一未烧结的涂层,在该涂层上含有烧结助剂作为主要成分的第二未烧结层,将第一涂层和第二涂层烧结在一起 以形成保护膜12。
    • 6. 发明专利
    • Method for producing collector member for solid oxide fuel cell, and collector member for solid oxide fuel cell
    • 用于生产固体氧化物燃料电池的收集器部件的方法和用于固体氧化物燃料电池的收集器部件
    • JP2013258112A
    • 2013-12-26
    • JP2012135094
    • 2012-06-14
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • TAKUWA YUYAINOUE SHUICHIYODA MASAKAZUSAITO TEI
    • H01M8/02H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a technique for simply forming a uniform protective film on a surface of a metal base material used in an SOFC.SOLUTION: In a collector member for a solid oxide fuel cell, a protective film 12 containing a metal oxide as a main component is formed on a metal base material 11. In a method for producing the collector member for a solid oxide fuel cell, the sharpest part at a corner of the metal base material 11 is fabricated at an obtuse angle, and then the protective film 12 containing a metal oxide as a main component is formed. The protective film 12 is uniformly formed, so that generation of cracks or the like can be suppressed even when a thermal stress is applied, deterioration in a fuel cell can be suppressed, and the fuel cell having high reliability even if used for a long period of time can be manufactured.
    • 要解决的问题:提供在SOFC中使用的金属基材的表面上简单地形成均匀的保护膜的技术。解决方案:在用于固体氧化物燃料电池的集电体构件中,含有金属氧化物的保护膜12 作为主要成分形成在金属基材11上。在固体氧化物型燃料电池用集电体的制造方法中,以钝角制作金属基材11的角部的最尖锐的部分, 形成以金属氧化物为主要成分的保护膜12。 保护膜12均匀地形成,即使施加热应力也能够抑制裂纹等的产生,能够抑制燃料电池的劣化,即使长时间使用也具有高可靠性的燃料电池 的时间可以制造。
    • 10. 发明专利
    • Manufacturing method of inter-cell connection member, inter-cell connection member, and cell for solid oxide type fuel battery
    • 室内连接构件,室内连接构件和固体氧化物型燃料电池单元的制造方法
    • JP2014191928A
    • 2014-10-06
    • JP2013064855
    • 2013-03-26
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • INOUE SHUICHINONAKA HIDEMASAYODA MASAKAZUTAKUWA YUYASAITO TEINAKAO TAKAYUKI
    • H01M8/02H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a technique for attaining improvement of durability by suppressing diffusion of Cr by forming a more uniform and dense protective film than conventional ones.SOLUTION: A manufacturing method of an inter-cell connection member for forming a protective film from a metal oxide over a base material formed from an alloy or an oxide containing Cr and Mn includes: a coating forming step of forming a non-sintered coating containing metal oxide fine particles as a main component on the base material; a calcination step of calcinating the coating under a condition that Mn contained in the base material reacts with a coating component; and a step of forming a dense layer which is generated by reacting the coating component and Mn, within the coating adhesively with a CrOlayer formed on a surface of the base material and growing the dense layer to thickness of 1 μm or more.
    • 要解决的问题:提供通过形成比常规的更均匀和更致密的保护膜来抑制Cr的扩散来获得耐久性提高的技术。解决方案:用于形成保护膜的电池间连接构件的制造方法 由合金或含有Cr和Mn的氧化物形成的基材上的金属氧化物包括:在基材上形成含有金属氧化物微粒作为主要成分的非烧结涂层的涂层形成步骤; 在包含在基材中的Mn与涂布成分反应的条件下煅烧该涂层的煅烧步骤; 以及形成致密层的步骤,其通过使涂层组分和Mn在涂层中与形成在基材表面上的CrO层粘合而生成,并使致密层生长1μm以上。