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    • 4. 发明授权
    • Fuel cell structure
    • 燃料电池结构
    • US06500579B1
    • 2002-12-31
    • US09631989
    • 2000-08-03
    • Hideo MaedaHisatoshi FukumotoKouji HamanoKenro Mituda
    • Hideo MaedaHisatoshi FukumotoKouji HamanoKenro Mituda
    • H01M200
    • H01M8/0228H01M8/026H01M8/0263H01M8/0267H01M8/241H01M8/2465H01M8/247
    • A fuel cell including a unit cell and a separator panel alternatingly stacked on one another. The unit cell includes an electrolyte membrane sandwiched between a fuel electrode and an oxidant electrode. The separator panel includes parallel fuel flow paths extending from a fluid supply port to a fluid discharge port for supplying fluid fuel to the fuel electrode and parallel oxidant flow paths extending from a fluid supply port to a fluid discharge port for supplying oxidant fluid to the oxidant electrode. At least the oxidant flow paths include groups of parallel flow paths, which extend back and forth within divided regions of the main surface of the separator panel. The oxidant flow paths may include groups of parallel flow paths, positions along the groups of the parallel flow paths at equal distance from the respective fluid supply port being distributed substantially evenly over the main surface of the separator panel. Also, groups of parallel flow paths extend back and forth within a region defined by a projection of the divided regions through which the oxidant flow paths extend. The ridge width of ridges defined between grooves within the parallel flow path group is smaller than the ridge width of the ridges defined between the grooves of the parallel flow path group adjacent to each other.
    • 一种燃料电池,包括彼此交替堆叠的单电池和隔板。 单位电池包括夹在燃料电极和氧化剂电极之间的电解质膜。 分离器板包括从流体供应端口延伸到流体排出口的平行燃料流动路径,用于向燃料电极提供流体燃料,以及从流体供应端口延伸到流体排放端口的平行氧化剂流动路径,用于向氧化剂供应氧化剂流体 电极。 至少氧化剂流动路径包括平行流动路径的组,其在分隔板的主表面的分割区域内前后延伸。 氧化剂流动路径可以包括平行流动路径的组,沿着平行流动路径的组的位置,距离相应的流体供应端口相等的距离基本均匀地分布在分隔板的主表面上。 而且,平行流动路径组在由氧化剂流动路径延伸穿过的分割区域的投影限定的区域内来回延伸。 在平行流路组内的槽之间限定的脊的脊宽度小于彼此相邻的平行流路组的槽之间限定的脊的脊宽度。
    • 5. 发明授权
    • Polymer electrolyte fuel cell and systems therefor
    • 聚合物电解质燃料电池及其系统
    • US06329092B1
    • 2001-12-11
    • US09336702
    • 1999-06-21
    • Hideo MaedaHisatoshi FukumotoKenro Mitsuda
    • Hideo MaedaHisatoshi FukumotoKenro Mitsuda
    • H01M806
    • H01M8/0668H01M8/04365H01M8/04447H01M8/04559H01M8/04589H01M8/04798H01M8/0612H01M8/1007H01M8/241H01M8/249H01M2300/0082
    • A polymer electrolyte fuel cell comprises a main stack alternately stacked with cells each provided with gas-diffusing electrodes on both sides of an ion-conducting electrolyte membrane and gas separators for supplying fuel to one of the electrodes and oxidant gas to the other electrode on each of the cells, and an auxiliary stack alternately stacked with the cells and the gas separators, the auxiliary stack having a lesser number of cells and gas separators than the main stack and having an independent current path from the main stack, wherein fuel and oxidant gas are supplied to the main stack after passing through the auxiliary stack, and wherein the load on the auxiliary stack is controlled. The load on the auxiliary stack is additionally controlled such that the electric potential of the fuel electrodes of the auxiliary stack exceeds the electric potential of the oxidation of carbon monoxide, whereby the voltage per layer of cell in the auxiliary stack continuously oscillates.
    • 聚合物电解质燃料电池包括交替堆叠的主堆叠,每个电池在离子导电电解质膜的两侧设置有气体扩散电极,并且在每个电极上分别向一个电极和氧化剂气体供应燃料到另一个电极 的电池和与电池和气体分离器交替堆叠的辅助叠层,辅助叠层具有比主堆叠少的电池和气体分离器,并且具有与主堆叠体相互独立的电流路径,其中燃料和氧化剂气体 在通过辅助堆叠之后被提供给主堆叠,并且其中控制辅助堆叠上的负载。 附加地控制辅助堆叠上的负载,使得辅助堆叠的燃料电极的电位超过一氧化碳氧化的电位,由此辅助堆叠中的每层电池的电压连续地振荡。
    • 7. 发明授权
    • Electrochemical device using solid polymer electrolytic film
    • 电化学装置采用固体高分子电解膜
    • US06599403B2
    • 2003-07-29
    • US09730600
    • 2000-12-07
    • Akira IkedaKenro MitsudaHisatoshi FukumotoKuraki Kitazaki
    • Akira IkedaKenro MitsudaHisatoshi FukumotoKuraki Kitazaki
    • C25B900
    • B01D53/326B01D53/26
    • The object of the present invention is to provide a thin and light electrochemical device using a solid polymer electrolytic film, which is capable of maintaining its steady performance for a long time even at a high humidity condition and a process for preparing the same. The device comprises inserting and pressuring the jointed electrochemical device 10 between a pair of pressing plates 30 and 31, wherein the jointed electrochemical device 10 is obtained by jointing the anode and the cathode having a catalytic layer on a base substrate of conductive porous material to both sides of the solid polymer electrolytic film, and wherein the pressing plates have the opening part having an area smaller than an electrochemical reaction part formed by facing the anode and the cathode.
    • 本发明的目的是提供一种使用固体聚合物电解质膜的薄且轻的电化学装置,即使在高湿度条件下也能够长时间保持其稳定性能及其制备方法。 该装置包括在一对压板30和31之间插入和加压接合的电化学装置10,其中通过将具有催化层的阳极和阴极在导电多孔材料的基底上连接到两者上而获得接合的电化学装置10 固定聚合物电解质膜的侧面,并且其中,所述压板的开口部的面积比由阳极和阴极形成的电化学反应部的面积小。
    • 9. 发明授权
    • Method of operating fuel cell
    • 操作燃料电池的方法
    • US07276305B2
    • 2007-10-02
    • US11344594
    • 2006-02-01
    • Hisatoshi FukumotoHironori KurikiTakashi NishimuraShuichi Matsumoto
    • Hisatoshi FukumotoHironori KurikiTakashi NishimuraShuichi Matsumoto
    • H01M8/04
    • H01M8/04302H01M8/04223H01M8/04231H01M8/241H01M8/2457H01M2008/1095
    • A method of operating a fuel cell including a fuel electrode, an oxidant electrode, and an electrolyte layer having hydrogen ion conductivity sandwiched between the fuel electrode and the oxidant electrode, so that the fuel cell generates electricity as a result of an electrochemical reaction between a fuel and an oxidant. Each time the fuel cell is started from a non-operating condition, the fuel is supplied to the fuel electrode with the fuel electrode and the oxidant electrode electrically interconnected to produce hydrogen at the oxidant electrode by provoking electrochemical reactions expressed by the chemical equations H2→2H++2e− and 2H++2e−→H2 at the fuel electrode and the oxidant electrode, respectively, reducing oxides on the oxidant electrode, using the hydrogen produced at the oxidant electrode. Then, the oxidant is supplied to the oxidant electrode to begin normal continuing operation of the fuel cell.
    • 一种操作燃料电池的方法,所述燃料电池包括燃料电极,氧化剂电极和夹在所述燃料电极和所述氧化剂电极之间的具有氢离子传导性的电解质层,使得所述燃料电池由于电化学反应而产生电 燃料和氧化剂。 每当燃料电池从非工作状态起动时,燃料被供给到燃料电极,燃料电极和氧化剂电极电连接,以在氧化剂电极处产生氢气,通过引发化学方程式H < &lt; 2&gt; 2H + + 2e - - 和 - - - - - 在燃料电极和氧化剂电极处,使用氧化剂电极产生的氢分别还原氧化剂电极上的氧化物。 然后,向氧化剂电极供给氧化剂,开始燃料电池的正常连续运转。