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    • 3. 发明申请
    • FUEL CELL SEPARATOR
    • 燃油电池分离器
    • US20130302719A1
    • 2013-11-14
    • US13982411
    • 2012-02-14
    • Satoru TakadaJun SuzukiToshiki Sato
    • Satoru TakadaJun SuzukiToshiki Sato
    • H01M8/02
    • H01M8/0206H01M8/0213H01M8/0228H01M2008/1095
    • Provided is a fuel cell separator that can maintain a low contact resistance for a long period of time while being used for a fuel cell, by using a carbon film that can be formed with high productivity. The fuel cell separator 10 is provided with: a substrate 1 comprising titanium or titanium alloy; and a conductive carbon layer 2 that is formed by compression bonding carbon powder onto the substrate 1, and covers the surface thereof. Between the substrate 1 and the carbon layer 2, particle-like titanium carbide 31 and carbon dissolved titanium 32 generated by reacting the titanium of the substrate 1 and carbon of the carbon layer 2 with each other through heat treatment are connected, forming an intermediate layer 3.
    • 提供一种燃料电池隔板,其可以通过使用能够以高生产率形成的碳膜,能够在用于燃料电池的同时保持长时间的低接触电阻。 燃料电池隔板10设置有:包含钛或钛合金的基板1; 以及通过将碳粉压接在基板1上并覆盖其表面而形成的导电性碳层2。 在基板1和碳层2之间连接通过热处理使基板1的钛与碳层2的碳反应而产生的颗粒状的碳化钛31和碳溶解的钛32,形成中间层 3。
    • 9. 发明授权
    • Method of manufacturing carbon substrate
    • 制造碳基板的方法
    • US5580500A
    • 1996-12-03
    • US297811
    • 1994-08-30
    • Kazuo MuramatsuManabu HisadaHideki YamamuroHideo AshidaSatoru TakadaMasami TakaoYoshihiro HaraNobuhiro Ota
    • Kazuo MuramatsuManabu HisadaHideki YamamuroHideo AshidaSatoru TakadaMasami TakaoYoshihiro HaraNobuhiro Ota
    • C04B35/524C01B31/00
    • C04B35/524
    • A carbon substrate manufacturing method includes a hot molding step, a burn-carbonizing step, a hot isostatical pressure treatment step, and a mirror polishing step. In the hot molding step, molding is performed while heating thermosetting resin powders to be a hard carbon substrate after burn-carbonizing, where the thermosetting resin powders are of a particle size 150 .mu.m or more, HPF 80-150 mm, a moisture content 1.0-3.0 weight %, Fe, Ni, Si and Ca respectively 5 ppm or less. In the burn-carbonizing process, a disk shaped resin molded body is filled into a graphite cylinder and burn-carbonized by heating from the external while the condition therefor is maintained in that the disk shaped resin molded body is stacked holding therein a graphite spacer at every one sheet basis or at every plurality of sheet basis and is loaded on its top with a tungsten carbide weight, where the graphite spacer has a heat conductivity 100 kcal/m.hr..degree. C. or less, a bulk density 1.70-1.85, and a flatness degree 10 .mu.m or less.
    • 碳基板制造方法包括热成型步骤,燃烧碳化步骤,热等压压力处理步骤和镜面抛光步骤。 在热成型工序中,在将热固化性树脂粉末在烧成碳化后作为硬质碳基板加热的同时进行成型,其中热固性树脂粉末的粒径为150μm以上,HPF为80-150mm,水分含量 1.0-3.0重量%,Fe,Ni,Si和Ca分别为5ppm以下。 在烧成碳化工序中,将圆盘状树脂成形体填充到石墨圆筒中,通过加热从外部进行燃烧碳化,同时保持其状态,将盘状树脂成型体层叠在一起,将石墨间隔件 每一片或多个片材基础,并以碳化钨重量装载在其顶部,其中石墨间隔物具有100kcal / m·hr的热导率。 ℃以下,体积密度1.70-1.85,平坦度10μm以下。