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    • 36. 发明授权
    • SOLID POLYMER FUEL CELL
    • FESTPOLYMER-BRENNSTOFFZELLE
    • EP2348567B1
    • 2013-11-13
    • EP10816860.0
    • 2010-09-09
    • Panasonic Corporation
    • NAKAGAWA, TakashiMATSUMOTO, ToshihiroYOSHIMOTO, MiyukiARAI, Kenji
    • H01M8/02H01M8/10
    • H01M8/026H01M8/0258H01M8/0265H01M8/0267H01M8/0273H01M8/1004H01M2008/1095
    • A polymer electrolyte fuel cell includes a membrane electrode assembly including a polymer electrolyte membrane and a pair of catalyst electrodes sandwiching the polymer electrolyte membrane; a pair of separators sandwiching the membrane electrode assembly, the separators each including linear reaction gas channels defined by linear channel ribs, a reaction gas supply manifold hole, and a reaction gas discharge manifold hole; and an inlet gas distribution section for connecting the reaction gas supply manifold hole and the reaction gas channels, wherein the inlet gas distribution section includes n (where n is an integer of 2 or more) distribution ribs for partitioning the inlet gas distribution section into a plurality of spaces, the distribution ribs each having a longitudinal axis perpendicular to a longitudinal axis of the linear reaction gas channels, the distribution ribs each having two or more slits provided therein, the slits being in parallel to the longitudinal axis of the linear reaction channels, when, among the distribution ribs, the distribution rib positioned closest to the reaction gas supply manifold hole is considered as a first distribution rib and the distribution rib positioned closest to the reaction gas channels as an nth distribution rib, and when, among the spaces, the space positioned between the first distribution rib and the reaction gas supply manifold hole is considered as a diffusion space, and an average of sectional areas of the diffusion space, the sectional areas taken along the longitudinal axis of the reaction gas channel and along the normal to the separator's surface, is larger than a sectional area of any of the slits of the first distribution rib, the sectional area taken along the longitudinal axis of the distribution rib and along the normal to the separator's surface.
    • 聚合物电解质燃料电池包括:聚合物电解质膜和夹在聚合物电解质膜的一对催化剂电极的膜电极组件; 夹着膜电极组件的一对分离器,每个分离器包括由直线通道肋限定的线性反应气体通道,反应气体供给歧管孔和反应气体排出歧管孔; 以及用于连接反应气体供应歧管孔和反应气体通道的入口气体分配部分,其中入口气体分配部分包括n(其中n是2以上的整数)分配肋,用于将入口气体分配部分分成 多个空间,分配肋各自具有垂直于线性反应气体通道的纵向轴线的纵轴,分配肋各自具有设置在其中的两个或更多个狭缝,狭缝与线性反应通道的纵向轴线平行 当在分配肋之间,最靠近反应气体供应歧管孔的分配肋被认为是第一分配肋,并且最靠近反应气体通道的分配肋被认为是第n个分配肋,并且当在空间 位于第一分配肋和反应气体供应歧管孔之间的空间被认为是ad 如果融合空间和扩散空间的截面面积的平均值,则沿着反应气体通道的纵向轴线并沿着分离器表面的法线截取的截面面积大于第一部分的任何狭缝的截面面积 分布肋,沿着分布肋的纵向轴线并沿着分离器表面的法线截取的截面积。
    • 38. 发明公开
    • Fuel cell stack
    • Brennstoffzellstapel
    • EP2587576A3
    • 2013-09-25
    • EP13152707.9
    • 2010-01-14
    • Honda Motor Co., Ltd.
    • Mohri, MasahiroKotani, YasunoriOda, MasaruWatanabe, YasuhiroMatsui, AkihiroYamazaki, KeikoIwasawa, ChikaraOkamoto, HideoIse, MasahiroOhta, Hiroaki
    • H01M8/02H01M8/24H01M8/10
    • H01M8/2483H01M8/0206H01M8/0232H01M8/0234H01M8/0254H01M8/026H01M8/0263H01M8/0267H01M8/04029H01M8/1006H01M8/1007H01M8/1018H01M8/241H01M8/2457H01M2008/1095H01M2300/0082
    • A fuel cell stack (10) is comprised of a plurality of power generating units (12) which are stacked along the horizontal direction. A corrugated passage groove (44a) having a shape corresponding to the shape of the underside surface of a corrugated passage groove (36a) of a first fuel gas passage (36) is formed in a surface (14b) of a first metal separator (14). A corrugated passage groove (44b) having a shape corresponding to the shape of the underside surface of a corrugated passage groove (66a) of a second oxidant gas passage (66) is formed in a surface (20b) of a third metal separator (20). The corrugated passage grooves (44a, 44b) overlap one another to define a refrigerant passage (44).; An oxidant gas inlet port (30a) and a fuel gas inlet port (32a) are provided in the upper portion of the power generating unit (12), and an oxidant gas outlet port (30b) and a fuel gas outlet port (32b) are provided in the lower portion of the power generating unit (12). A refrigerant inlet port (34a) and a refrigerant outlet port (34b) are formed in each of the left and right portions of power generating unit (12).
    • 燃料电池堆(10)由沿水平方向堆叠的多个发电单元(12)构成。 在第一金属分离器(14)的表面(14b)中形成具有与第一燃料气体通道(36)的波纹通道槽(36a)的下表面的形状相对应的形状的波纹通道槽(44a) )。 在第三金属分离器(20)的表面(20b)中形成具有与第二氧化剂气体通道(66)的波纹通道槽(66a)的下表面的形状相对应的形状的波纹通道槽(44b) )。 波纹通道槽(44a,44b)彼此重叠以限定制冷剂通道(44)。 氧化剂气体入口(30a)和燃料气体入口(32a)设置在发电单元(12)的上部,氧化剂气体出口(30b)和燃料气体出口(32b) 设置在发电单元(12)的下部。 制冷剂入口(34a)和制冷剂出口(34b)形成在发电单元(12)的左右两部分中。
    • 39. 发明公开
    • FLOW FIELD PLATE FOR ELECTROCHEMICAL FUEL CELLS
    • ÜEN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN
    • EP2545608A1
    • 2013-01-16
    • EP11708658.7
    • 2011-03-07
    • BDF IP Holdings Ltd
    • GLANDT, Jeffrey, DeanMOSS, Bevan, HoskynMACKAY, Daniel, Brent
    • H01M8/02H01M8/10H01M8/04
    • H01M8/026H01M8/04156H01M8/1007
    • A flow field plate comprises a first flow field; an opposing second flow field; and at least one flow channel formed in the first flow field, the at least one flow channel comprising: a first side and an opposing second side separated by an open-faced top and a bottom; and a first side channel formed in a portion of the open-faced top and in a portion of the first side along a continuous length of the at least one flow channel, the first side channel comprising a first side wall and a first bottom wall; wherein the first side wall of the first side channel and the first bottom wall of the first side channel form an obtuse angle in cross-section; and a depth of the bottom of the at least one flow channel is greater than a depth of the bottom wall of the first side channel.
    • 流场板包括第一流场; 相反的第二流场; 以及形成在所述第一流场中的至少一个流动通道,所述至少一个流动通道包括:由敞开的顶部和底部分隔的第一侧面和相对的第二侧面; 以及第一侧通道,所述第一侧通道形成在所述敞开式顶部的一部分中并且在所述第一侧的所述至少一个流动通道的连续长度的一部分中,所述第一侧通道包括第一侧壁和第一底壁; 其中所述第一侧通道的第一侧壁和所述第一侧通道的所述第一底壁在横截面中形成钝角; 并且所述至少一个流动通道的底部的深度大于所述第一侧通道的底壁的深度。