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    • 21. 发明授权
    • Molten carbonate fuel cell
    • 熔融碳酸盐燃料电池
    • US5643690A
    • 1997-07-01
    • US555080
    • 1995-11-08
    • Hiroshi TateishiNorihiro TomimatsuKazuaki NakagawaHideyuki OzuYoshihiro Akasaka
    • Hiroshi TateishiNorihiro TomimatsuKazuaki NakagawaHideyuki OzuYoshihiro Akasaka
    • H01M8/02H01M8/14
    • H01M8/0271H01M8/0206H01M8/0232H01M8/0236H01M8/0245H01M8/0247H01M8/0254H01M8/026H01M2008/147H01M2300/0051Y02E60/526
    • There is proposed a molten carbonate fuel cell of high performance and long life which is provided with an oxidizing gas side-collector plate having on its surface a non-stoichiometric composite oxide layer excellent in electric conductivity and corrosion resistance, and hardly attracting electrolyte. This molter carbonate fuel cell comprises a unit cell comprising an electrolyte body formed of a porous body impregnated therein with a carbonate, 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, disposed alternatively on a surface of the anode and on a surface of the cathode, and interconnectors, each being disposed on a surface of each of the collector plates, wherein the collector plate disposed on the cathode comprises a main body made of austenitic stainless steel, an Fe-Cr-Ni alloy layer covering a surface of the main body and consisting of 23 to 45 wt % of Fe, 12 to 27 wt % of Cr, the balance of Ni and not more than 1 wt % of unavoidable impurities, and a nickel-ferrite-based non-stoichiometric composite oxide layer formed on a surface of the Fe-Cr-Ni alloy layer.
    • 提出了具有高性能和长寿命的熔融碳酸盐燃料电池,其具有在其表面上具有导电性和耐腐蚀性优异的非化学计量的复合氧化物层,并且几乎不吸引电解质的氧化性气体侧集电板。 该含碳酸酯燃料电池包括:单体电池,其包含由浸渍有碳酸盐的多孔体形成的电解质体,设置在所述电解质体的一个主表面上的阴极和设置在所述电解质体的另一个主表面上的阳极, 瓦楞集电板,交替设置在阳极的表面和阴极的表面上,以及互连器,每个互连器设置在每个集电板的表面上,其中设置在阴极上的集电板包括:主体, 奥氏体不锈钢,覆盖主体表面的Fe-Cr-Ni合金层,由23〜45重量%的Fe,12〜27重量%的Cr,余量的Ni和不大于1重量%的Fe 在Fe-Cr-Ni合金层的表面形成有不可避免的杂质和镍 - 铁系元素的非化学计量的复合氧化物层。
    • 30. 发明授权
    • Molten carbonate fuel cell
    • 熔融碳酸盐燃料电池
    • US5989740A
    • 1999-11-23
    • US42807
    • 1998-03-17
    • Norihiro TomimatsuHideyuki OhzuKazuaki NakagawaYoshihiro Akasaka
    • Norihiro TomimatsuHideyuki OhzuKazuaki NakagawaYoshihiro Akasaka
    • H01M8/02H01M8/14H01M2/00H01M2/02
    • H01M8/021H01M8/02H01M8/0204H01M8/0215H01M8/0228H01M8/0254H01M2008/147H01M2300/0051Y02E60/526
    • 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.
    • 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。