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    • 1. 发明授权
    • Fuel cell having water permeability adjustment capability
    • 具有透水性调节能力的燃料电池
    • US06365293B1
    • 2002-04-02
    • US09599198
    • 2000-06-22
    • Takahiro IsonoYasuo MiyakeAkira HamadaMinoru KanekoKunihiro Nakato
    • Takahiro IsonoYasuo MiyakeAkira HamadaMinoru KanekoKunihiro Nakato
    • H01M810
    • H01M8/04291H01M8/1007
    • The object of the present invention is to provide fuel cell including a cell that is formed by sandwiching solid polymer membrane between an anode and a cathode that generates electricity with stability and high performance by evenly moistening the solid polymer membrane. For this purpose, in a gas diffusion layer 24, which is positioned adjacent to a cathode catalyst layer 22, the content of fluororesin in an area on the side of the entrance for the oxidizer is set to be higher than in another area on the side of the exit so that the water repellency in the entrance side area is higher than in the exit side area. As a result, a water permeation suppressing part 24A, where the water permeability is relatively low, is formed in the area on the entrance side, while a water permeable part 24B, where the water permeability is relatively high, is formed in the area on the exit side.
    • 本发明的目的是提供一种燃料电池,其包括通过将固体聚合物膜夹在阳极和阴极之间而形成的电池,其通过均匀润湿固体聚合物膜而稳定且高性能地发电。 为此,在与阴极催化剂层22相邻的气体扩散层24中,氧化剂入口侧的区域中的氟树脂的含量设定为高于侧面的其他区域 使得入口侧区域中的防水性高于出口侧区域。 结果,在入口侧的区域中形成透水性相对较低的透水抑制部24A,而在透水性相对较高的水分透过部24B形成在 出口侧。
    • 5. 发明授权
    • Fuel cell
    • 燃料电池
    • US6083638A
    • 2000-07-04
    • US58703
    • 1998-04-10
    • Shunsuke TaniguchiAkira HamadaYasuo MiyakeMinuro Kaneko
    • Shunsuke TaniguchiAkira HamadaYasuo MiyakeMinuro Kaneko
    • H01M4/66H01M8/02H01M8/04H01M8/06H01M8/10H01M8/24H01M2/02H01M2/14H01M4/86H01M4/68
    • H01M8/0247H01M8/023H01M8/0241H01M8/0258H01M8/1004H01M2300/0082H01M8/04119H01M8/04156H01M8/242
    • A current collector includes a thin porous substrate and a hydrophilic material, where the hydrophilic material is provided to holes of the thin porous substrate or surfaces of skeleton elements of the porous substrate so that hydrophilic areas formed by the hydrophilic material successively pass through the thin porous substrate between both surfaces of the thin porous substrate. In the current collector, water is let out through the hydrophilic areas and does not stay on an interface between an electrode and the current collector so that reaction gas is not hampered and is supplied, unlike a conventional current collector. When the current collector is applied to a polymer electrolyte fuel cell, water is supplied with reliability through the hydrophilic areas to a polymer electrolyte membrane so that the polymer electrolyte membrane is effectively humidified. The current collector applied to a cathode achieves a profound effect because reaction product water tends to stay around a cathode of any types of fuel cells. The current collector also includes gas flow paths which are surrounded by particles of a hydrophobic material and pass through the thin porous substrate between both surfaces of the thin porous substrate. As a result, gas permeability of the current collector is maintained with reliability.
    • 集电体包括薄多孔基材和亲水性材料,其中亲水性材料被提供给多孔基材的多孔基材的孔或多孔基材的骨架元件的表面,使得由亲水性材料形成的亲水区域依次通过薄多孔 衬底在薄多孔衬底的两个表面之间。 在集电器中,水通过亲水区域流出,不会停留在电极和集电体之间的界面上,因此与传统的集电器不同,反应气体不受阻碍并被供应。 当将集电体施加到聚合物电解质燃料电池时,通过亲水区域将可靠性的水供给到聚合物电解质膜,使得聚合物电解质膜被有效地加湿。 施加到阴极上的集电器产生深刻的影响,因为反应产物水倾向于停留在任何类型的燃料电池的阴极周围。 集电器还包括由疏水材料的颗粒包围并在薄多孔基材的两个表面之间通过薄多孔基材的气体流动路径。 结果,可靠地保持集电体的气体渗透性。
    • 7. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US06503650B1
    • 2003-01-07
    • US09607119
    • 2000-06-29
    • Takashi YasuoYasuo Miyake
    • Takashi YasuoYasuo Miyake
    • H01M804
    • H01M8/04291H01M8/04156H01M8/2485
    • A fuel cell system, comprising: (A) a cell multilayer element that is formed by stacking unit cell structures in layers, a unit cell structure including: a cell that includes a cathode, an anode, and electrolyte sandwiched between the cathode and the anode an oxidant channel unit with a plurality of oxidant channels that cross the cathode and enable oxidant to be supplied to the cathode; and a fuel channel unit with a plurality of fuel channels that cross the anode and enables fuel to be supplied to the anode; (B) oxidant supplying means for supplying the oxidant to the oxidant channels; and (C) fuel supplying means for supplying the fuel to the fuel channels, wherein the oxidant supplying means includes first switching means for reversing a flow direction of the oxidant in at least one of the oxidant channels and/or the fuel supplying means includes second switching means for reversing a flow direction of the fuel in at least one of the fuel channels.
    • 一种燃料电池系统,包括:(A)通过层叠单元电池结构形成的电池多层元件,单元电池结构,包括:包含阴极,阳极和夹在所述阴极和所述阳极之间的电解质的电池 具有多个氧化剂通道的氧化剂通道单元,所述氧化剂通道穿过阴极并使氧化剂能够供应到阴极; 以及具有多个燃料通道的燃料通道单元,所述多个燃料通道穿过所述阳极并且能够将燃料供应到所述阳极; (B)用于将氧化剂供给到氧化剂通道的氧化剂供给装置; 和(C)用于向燃料通道供应燃料的燃料供应装置,其中氧化剂供给装置包括用于反转至少一个氧化剂通道和/或燃料供给装置中的氧化剂的流动方向的第一切换装置,包括第二 用于使至少一个燃料通道中的燃料的流动方向反转的切换装置。
    • 8. 发明授权
    • Female terminal
    • 女性终端
    • US5975963A
    • 1999-11-02
    • US91904
    • 1998-06-26
    • Mitsutoshi HiguchiToshikazu MizutaniSatoru ImaedaYasuo MiyakeTakehiko NiwaHaruo Shimura
    • Mitsutoshi HiguchiToshikazu MizutaniSatoru ImaedaYasuo MiyakeTakehiko NiwaHaruo Shimura
    • H05K1/18H01R4/02H01R12/55H01R12/58H01R13/11H01R13/115H01R11/22
    • H01R4/028H01R12/58H01R13/11H01R13/113
    • A female terminal has a structure that does not allow molten solder to close a pipe section into which male terminal is inserted. Notched recessed sections (9) are oppositely formed at the lower ends of the side faces (3a and 3a) of a female terminal (1). The female terminal (1) is locked by horizontally opening locking legs (7) protruded from the rear surface of a printed wiring board (11) from an inserting hole (12). In such a state, the rear surface of the board is dipped in molten solder (21). When the board (11), is pulled up from the molten solder (12), the solder (21) closing the pipe section (2) in a bridge-like form is turned to droplets and drops from the recessed section (9), because the wettability of the pipe section (2) with the solder (21) is lowered and the adhesion is weakened due to the recessed sections (9). The remaining molten solder (21) attaches to the peripheral edge of the end of the pipe section (2) other than the recessed sections (9) due to the surface tension and solidifies.
    • PCT No.PCT / JP96 / 03827 Sec。 371日期:1998年6月26日 102(e)日期1998年6月26日PCT 1996年12月24日PCT公布。 出版物WO97 / 24910 日期1997年7月10日母端子具有不允许熔融焊料封闭插入阳端子的管段的结构。 在凹形端子(1)的侧面(3a和3a)的下端形成有凹口的凹部(9)。 通过从插入孔(12)水平打开从印刷电路板(11)的后表面突出的锁定腿(7),阴端子(1)被锁定。 在这种状态下,将板的后表面浸入熔融焊料(21)中。 当板(11)从熔融焊料(12)拉起时,将管状部分(2)以桥状形式封闭的焊料(21)从凹部(9)转向液滴和滴落, 因为具有焊料(21)的管部(2)的润湿性降低,并且由于凹部(9)而导致的粘接力减弱。 剩余的熔融焊料(21)由于表面张力而附着到除了凹部(9)之外的管部(2)的端部的周边边缘并固化。