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    • 8. 发明授权
    • Composite sensor
    • 复合传感器
    • US06471840B1
    • 2002-10-29
    • US09622549
    • 2000-08-18
    • Yunzhi GaoAkira KunimotoMasaharu Hasei
    • Yunzhi GaoAkira KunimotoMasaharu Hasei
    • G01N27407
    • G01N27/419G01N27/4175
    • A combined gas sensor of the invention is equipped with a second oxygen sensing electrode 5 active only to oxygen, which is disposed on a solid electrolyte substrate 3a such that it is directly exposed to detection gases. Sensor disorder is detected by measuring an electromotive force (signal output 2) generated between a reference electrode 7 and the second oxygen sensing electrode 5 as an oxygen concentration in an exhaust gas atmosphere, and comparing and judging the detected result with a signal output 1 corresponding to an electromotive force between a first oxygen sensing electrode 4 and the sit reference electrode 7, or with a signal output of an oxygen pump current.
    • 本发明的组合式气体传感器配备有仅对氧气起作用的第二氧气感测电极5,其被设置在固体电解质基底3a上,使得其直接暴露于检测气体。 通过测量在参考电极7和第二氧气感测电极5之间产生的电动势(信号输出2)作为排气气氛中的氧浓度来检测传感器障碍,并且将检测结果与对应的信号输出1进行比较和判断 涉及第一氧气感测电极4和坐标参考电极7之间的电动势,或与氧气泵电流的信号输出。
    • 9. 发明授权
    • Gas sensor
    • 气体传感器
    • US06303011B1
    • 2001-10-16
    • US09099401
    • 1998-06-18
    • Yunzhi GaoYukio NakanouchiAkira KunimotoMasaharu HaseiYongtie YanTakashi Ono
    • Yunzhi GaoYukio NakanouchiAkira KunimotoMasaharu HaseiYongtie YanTakashi Ono
    • G01N27407
    • G01N27/4074G01N27/4075G01N33/0037Y02A50/245
    • A nitrogen oxide sensor includes a solid electrolytic substrate exhibiting oxygen ion conductivity, a noble-metal reference electrode, which is active only to oxygen, formed on one side of the solid electrolytic substrate, and a sensing electrode, which is active to NOx and oxygen, formed on the opposite side of the solid electrolytic substrate. A potential difference across the sensing electrode and the reference electrode is output as a signal indicative of NOx concentration. Nitrogen oxides in a gas to be examined or measured gas are converted to NO2 and to peroxides of nitrogen such as N2O5 and NO3, after which the nitrogen oxides in the gas to be examined or measured gas are sensed by the sensing electrode as the peroxides of nitrogen such as N2O5 and NO3 or as a mixed gas of NO2 and the peroxides of nitrogen.
    • 氮氧化物传感器包括显示氧离子传导性的固体电解质基质,形成在固体电解质基材的一侧上的仅对氧有活性的贵金属参比电极和对NOx和氧有活性的感测电极 形成在固体电解质基板的相反侧。 输出感测电极和参考电极两端的电位差作为表示NOx浓度的信号。 要检测或测量的气体中的氮氧化物被转化为NO 2和氮过氧化物,例如N 2 O 5和NO 3,之后待检测气体中的氮氧化物或测量气体由感测电极作为过氧化物 氮气,如N2O5和NO3,或作为NO2和氮过氧化物的混合气体。
    • 10. 发明授权
    • Solid polymer electrolyte fuel cell unit
    • 固体聚合物电解质燃料电池单元
    • US06972162B2
    • 2005-12-06
    • US10388496
    • 2003-03-17
    • Yunzhi GaoAkira Kunimoto
    • Yunzhi GaoAkira Kunimoto
    • H01M8/02H01M8/10H01M4/86
    • H01M8/10H01M8/0204H01M8/0206H01M8/0228H01M8/023H01M8/0232H01M8/0234H01M8/0245H01M8/1004
    • A low-cost solid polymer electrolyte fuel cell unit including a metal separator is provided. The cell unit has a structure that may have high corrosion resistance and durability. The solid polymer electrolyte fuel cell unit includes a polymer electrolyte membrane, a pair of gas-diffusible electrodes fixed at opposing surfaces of the polymer electrolyte membrane, a pair of gas-diffusible porous conductive graphite collectors fixed in contact with the outer sides of the electrodes; a pair of aluminum separators for introducing a fuel gas and an oxygen-containing gas to the electrodes separately from one another, and porous conductive buffer layers provided between the separator and the graphite collector, and having flexibility and air permeability. The separator surfaces in contact with the buffer layers are each provided with a conductive coating having a thickness in the range from 0.01 μm to 20 μm.
    • 提供了包括金属隔板的低成本固体聚合物电解质燃料电池单元。 电池单元具有可以具有高耐腐蚀性和耐久性的结构。 固体高分子电解质型燃料电池单元包括聚合物电解质膜,固定在高分子电解质膜的相对面的一对气体扩散电极,与电极的外侧固定的一对气体扩散性多孔导电性石墨收集体 ; 一对用于将燃料气体和含氧气体彼此分开地引入电极的铝隔板,以及设置在隔板和石墨收集器之间并具有柔软性和透气性的多孔导电缓冲层。 与缓冲层接触的隔板表面各自设置有厚度为0.01μm至20μm的导电涂层。