DIRECT METHANOL FUEL CELL AND ANODE USED THEREIN
    22.
    发明申请
    DIRECT METHANOL FUEL CELL AND ANODE USED THEREIN 有权
    直接甲醇燃料电池及其使用的阳极

    公开(公告)号:US20120171597A1

    公开(公告)日:2012-07-05

    申请号:US13358939

    申请日:2012-01-26

    IPC分类号: H01M8/10 H01M4/92 B82Y30/00

    摘要: According to one embodiment, an anode for a direct methanol fuel cell includes an anode catalyst layer containing a noble metal catalyst and a proton-conductive polyelectrolyte. A log differential pore volume distribution curve measured by a mercury intrusion porosimetry of the anode catalyst layer has a peak within a pore diameter range of 0.06 to 0.3 μm and satisfies the following relationship: 0.5≦(V1/V0)≦0.9 wherein V0 is a cumulative pore volume of pores having a diameter of from 0.02 to 1 μm, as measured by a mercury intrusion porosimetry, and V1 is a cumulative pore volume of pores having a diameter of from 0.02 to 0.2 μm, as measured by a mercury intrusion porosimetry.

    摘要翻译: 根据一个实施方案,用于直接甲醇燃料电池的阳极包括含有贵金属催化剂和质子传导性聚电解质的阳极催化剂层。 通过阳极催化剂层的水银侵入孔隙率测定的对数微分孔体积分布曲线在孔径范围为0.06〜0.3μm的范围内具有峰值,满足以下关系:0.5≦̸(V1 / V0)≦̸ 0.9其中V0 是通过水银侵入孔隙率法测量的直径为0.02-1μm的孔的累积孔体积,V1是通过汞侵入测量的直径为0.02至0.2μm的孔的累积孔体积 孔隙率测定法

    Molten carbonate fuel cell
    26.
    发明授权
    Molten carbonate fuel cell 失效
    熔融碳酸盐燃料电池

    公开(公告)号:US5989740A

    公开(公告)日:1999-11-23

    申请号:US42807

    申请日:1998-03-17

    摘要: A molten carbonate fuel cell of high performance and long life, which is capable of preventing the corrosion at the contacting portion between collector plates (in particular, an oxidizing gas-side collector plate) and the interconnector so as to suppress an increase of contact resistance. This molten carbonate fuel cell comprises, a unit cell comprising an electrolyte body formed of a porous body impregnated therein with a mixed carbonate containing two or more kinds of carbonate mixed in a desired mixing ratio, a cathode disposed on one main surface of the electrolyte body, and an anode disposed on the other main surface of the electrolyte body, corrugated collector plates, each disposed on a surface of the anode and on a surface of the cathode, and interconnectors, each disposed on a surface of each of the collector plates, wherein a substance which is capable of reacting with the mixed carbonate at an operation temperature of the fuel cell thereby to change a composition ratio of the mixed carbonate is deposited on a surface of at least one member selected from the collector plate and the interconnector.

    摘要翻译: 能够防止集电板(特别是氧化性气体侧集电板)和互连器之间的接触部分的腐蚀的高性能和长寿命的熔融碳酸盐燃料电池,以抑制接触电阻的增加 。 这种熔融碳酸盐燃料电池包括:单体电池,其包含由浸渍有多孔体的多孔体形成的电解质体,所述多孔体含有以所需混合比混合的两种或更多种碳酸酯的混合碳酸盐,设置在所述电解质体的一个主表面上的阴极 以及设置在电解质体的另一个主表面上的阳极,各自设置在阳极的表面和阴极表面上的波纹状收集板,以及设置在每个集电板的表面上的互连器, 其中能够在所述燃料电池的操作温度下与所述混合碳酸盐反应从而改变所述混合碳酸盐的组成比的物质沉积在从所述集电板和所述互连器中选择的至少一种的表面上。

    Molten carbonate fuel cell
    27.
    发明授权
    Molten carbonate fuel cell 失效
    熔融碳酸盐燃料电池

    公开(公告)号:US5595832A

    公开(公告)日:1997-01-21

    申请号:US299652

    申请日:1994-09-02

    IPC分类号: H01M8/02 H01M8/14 H01M8/24

    摘要: Disclosed is a molten carbonate fuel cell comprising an electrolyte body sandwiched between a pair of electrodes, outflow of an electrolyte from the electrolyte body being diminished to suppress an increase of the internal resistance and occurrence of a gas crossover, which accompany the outflow of the electrolyte, so as to increase the life time of the fuel cell. The molten carbonate fuel cell of the present invention comprises a pair of conductive electrodes, an electrolyte body sandwiched between the pair of electrodes and including a porous body containing a retaining material and a reinforcing material and an electrolyte impregnated in the porous body and containing an alkali carbonate mixture, the retaining material containing fine particles having an average particle diameter of 0.2 to 0.6 .mu.m and the reinforcing material containing short fibers having a diameter of 0.5 to 5 .mu.m and a length of at most 50 .mu.m, fuel gas supplying means for supplying a fuel gas to one of the pair of electrodes, and oxidant gas supplying means for supplying an oxidant gas to the other of the pair of electrodes.

    摘要翻译: 公开了一种熔融碳酸盐燃料电池,其包含夹在一对电极之间的电解质体,电解质从电解质体的流出减少以抑制伴随电解液流出的内阻增加和气体交换的发生 ,以增加燃料电池的使用寿命。 本发明的熔融碳酸盐燃料电池包括一对导电电极,夹在该对电极之间的电解质体,并且包括含有保持材料和增强材料的多孔体以及浸渍在多孔体中并含有碱的电解质 碳酸盐混合物,含有平均粒径为0.2〜0.6μm的微粒的保持材料和直径为0.5〜5μm,长度为50μm以下的短纤维的增强材料,燃料气体供给装置 用于向一对电极中的一个供给燃料气体;以及氧化剂气体供给装置,用于向一对电极中的另一个供给氧化剂气体。

    Fuel cell
    29.
    发明授权
    Fuel cell 有权
    燃料电池

    公开(公告)号:US09312543B2

    公开(公告)日:2016-04-12

    申请号:US13354977

    申请日:2012-01-20

    IPC分类号: H01M4/86 H01M8/02 H01M8/10

    摘要: In one embodiment, in a fuel cell, a first electrode supplied with an oxidant gas includes a first gas diffusion layer having a first porous base material and a first catalyst layer having a second porous base material. The first catalyst layer is stacked to the first gas diffusion layer. The second porous base material has a pore diameter distribution with a peak in a range of 0.04 μm to 0.12 μm, and a volume ratio of pores with diameters of 0.04 μm to 0.12 μm to all the pores being 17% or more. A second electrode supplied with a fuel includes a second gas diffusion layer having a third porous base material and a second catalyst layer having a fourth porous base material. The second catalyst layer is stacked to the second gas diffusion layer. An electrolyte film is held between the first and second catalyst layers.

    摘要翻译: 在一个实施方案中,在燃料电池中,提供有氧化剂气体的第一电极包括具有第一多孔基材的第一气体扩散层和具有第二多孔基材的第一催化剂层。 第一催化剂层被堆叠到第一气体扩散层。 第二多孔基材的孔径分布的峰值在0.04μm〜0.12μm的范围内,所有孔的直径为0.04μm〜0.12μm的孔的体积比为17%以上。 提供有燃料的第二电极包括具有第三多孔基材的第二气体扩散层和具有第四多孔基材的第二催化剂层。 第二催化剂层与第二气体扩散层层叠。 电解质膜保持在第一和第二催化剂层之间。