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    • 2. 发明授权
    • Start up of proton exchange membrane fuel cell
    • 启动质子交换膜燃料电池
    • US6127056A
    • 2000-10-03
    • US169405
    • 1998-10-09
    • Douglas J. WheelerLeonard J. Bonville
    • Douglas J. WheelerLeonard J. Bonville
    • H01M8/04
    • H01M8/04007H01M2300/0082H01M8/04022H01M8/04223
    • A proton exchange membrane fuel cell has a noble metal or noble metal alloy catalyst 15 disposed in its air inlet manifold 13. During start up, a fuel cell is warmed to operating temperature by introducing a small amount of hydrogen into a flow of air to the air inlet 12 of the fuel cell where they react with the catalyst to produce heat at subflame temperatures. The adiabatic temperature rise of the gas stream is limited to about 150.degree. F. by limiting the hydrogen to about one volume percent of the fuel/oxidant mixture, thereby to be capable of raising the fuel cell temperature, for instance, from -40.degree. C. (-40.degree. F.) to about +45.degree. C. (+113.degree. F.), without flame, explosion or drying out of the membrane.
    • 质子交换膜燃料电池具有设置在其空气入口歧管13中的贵金属或贵金属合金催化剂15.在启动期间,通过将少量的氢气引入到空气流中来将燃料电池温热至工作温度 燃料电池的空气入口12,其与催化剂反应以在亚燃烧温度下产生热量。 通过将氢气限制为约1体积%的燃料/氧化剂混合物,气流的绝热温度上限被限制在约150°F,从而能够提高燃料电池温度,例如从-40℃ (-40°F)至约+45°C(+ 113°F),无火焰,爆炸或干燥出膜。
    • 4. 发明申请
    • Increased Activity of Catalyst Using Inorganic Acids
    • 使用无机酸增加催化剂的活性
    • US20090312175A1
    • 2009-12-17
    • US12432090
    • 2009-04-29
    • H. Russell KunzLeonard J. BonvilleRichard S. ParnasRobert Paul BrookerBeth CheneyPhillip Baker
    • H. Russell KunzLeonard J. BonvilleRichard S. ParnasRobert Paul BrookerBeth CheneyPhillip Baker
    • B01J37/30
    • H01M4/8652H01M4/881H01M8/1004H01M12/06H01M2008/1095
    • The present disclosure provides for improved electrochemical devices (e.g., fuel cells, metal air batteries, ultra capacitors, etc.) and components therefore. More particularly, the present disclosure provides for improved systems and methods for producing materials, membranes, electrode assemblies (e.g., membrane electrode assemblies) and electrochemical devices employing the membranes and/or electrode assemblies. The present disclosure provides for improved systems and methods for producing high activity materials, membranes and/or electrode assemblies (e.g., MEAs) for use in electrochemical devices, wherein the high activity membranes and/or electrode assemblies include at least one inorganic acid. In exemplary embodiments, the present disclosure provides for improved systems and methods for producing high activity membranes and/or electrode assemblies (e.g., MEAs) for use in electrochemical devices, wherein the high activity membranes and/or electrode assemblies include at least one inorganic acid in the catalyst layer and/or in the cathode.
    • 本公开提供了改进的电化学装置(例如燃料电池,金属空气电池,超级电容器等)和因此的组件。 更具体地,本公开提供用于生产材料,膜,电极组件(例如膜电极组件)和采用膜和/或电极组件的电化学装置的改进的系统和方法。 本公开提供了用于生产用于电化学装置的高活性材料,膜和/或电极组件(例如MEA)的改进的系统和方法,其中高活性膜和/或电极组件包括至少一种无机酸。 在示例性实施例中,本公开提供了用于生产用于电化学装置的高活性膜和/或电极组件(例如,MEA)的改进的系统和方法,其中高活性膜和/或电极组件包括至少一种无机酸 在催化剂层和/或阴极中。