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    • 6. 发明授权
    • Gas sensor and method for manufacturing the same
    • 气体传感器及其制造方法
    • US08377274B2
    • 2013-02-19
    • US12463625
    • 2009-05-11
    • Seiji OhyaTomohiro WakazonoKenji KatoKoji Shiotani
    • Seiji OhyaTomohiro WakazonoKenji KatoKoji Shiotani
    • G01N27/407
    • G01N27/4075
    • A gas sensor including a gas sensor element having a first measurement chamber (16); a first pumping cell (11); a second measurement chamber (18) into which a gas to be measured having a controlled oxygen partial pressure is introduced; and a second pumping cell (13) having a second inner pump electrode (13b) and a second counterpart electrode (13c) pump electrode configured to detect a specific gas component. The second inner pump electrode is made of a material that contains, as a principal ingredient, two kinds of Pt particles having different particle sizes and whose particle size ratio measured by a sedimentation particle-size distribution ranges from 1.75 to 14.2. A mixing ratio between large Pt particles and small Pt particles has a mass ratio of 10/90 to 50/50. A 10 kHz-1 Hz resistance value across the second pumping cell at 600° C. is 150Ω or less.
    • 一种气体传感器,包括具有第一测量室(16)的气体传感器元件; 第一泵送单元(11); 引入具有受控氧分压的待测气体的第二测量室(18); 以及具有第二内泵电极(13b)和配置成检测特定气体成分的第二配对电极(13c)泵浦电极的第二泵浦电池(13)。 第二内泵电极由含有不同粒径的两种Pt颗粒作为主要成分的材料制成,其沉降粒度分布测定的粒径比为1.75〜14.2。 大Pt颗粒和小Pt颗粒之​​间的混合比的质量比为10/90至50/50。 在600℃下跨越第二抽滤单元的10kHz-1Hz电阻值为150&OHgr; 或更少。
    • 10. 发明授权
    • Separator unit and fuel cell stack
    • 分离器单元和燃料电池堆
    • US07776491B2
    • 2010-08-17
    • US11370064
    • 2006-03-08
    • Noriyuki TakadaKenji KatoYoshihiro TamuraToshihiko Nonobe
    • Noriyuki TakadaKenji KatoYoshihiro TamuraToshihiko Nonobe
    • H01M4/64
    • H01M8/0267H01M8/026H01M8/04014H01M8/04223H01M8/241H01M8/2457H01M2008/1095
    • A separator unit inserted into a fuel cell having an electrolyte layer interposed between a fuel electrode and an oxygen electrode is provided with a plate like separator that separates fuel gas supplied to the fuel electrode from oxidizing gas supplied to the oxygen electrode, and a mesh like collector having an opening that forms one of a passage through which the fuel gas flows and a passage through which the oxidizing gas flows. The collector is provided to at least one side of the separator base in abutment against one of the fuel electrode and the oxygen electrode. The separator base has a coolant passage formed therein, through which a coolant is allowed to flow, and an electrode abutment portion of the collector, which abuts against one of the fuel electrode and the oxygen electrode, has an aperture ratio higher than those of other portions of the collector.
    • 插入到具有置于燃料电极和氧电极之间的电解质层的燃料电池中的分离器单元设置有板状隔板,该板状隔板将供给燃料电极的燃料气体与供给到氧电极的氧化气体分离, 收集器具有形成燃料气体通过的通道中的一个的开口和氧化气体流过的通道。 收集器被提供到隔板基座的至少一侧,以抵靠燃料电极和氧电极中的一个。 分离器底座具有形成在其中的冷却剂通道,允许冷却剂流动,并且与集电器的电极邻接部分抵靠燃料电极和氧电极中的一个具有比其他开口率高的开口率 收集器的一部分。