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    • 18. 发明授权
    • Efficient reversible electrodes for solid oxide electrolyzer cells
    • 用于固体氧化物电解槽的高效可逆电极
    • US07976686B2
    • 2011-07-12
    • US11781718
    • 2007-07-23
    • Singaravelu ElangovanJoseph J. Hartvigsen
    • Singaravelu ElangovanJoseph J. Hartvigsen
    • C25B9/10
    • C25B11/04C25B1/02C25B11/0463H01M4/9016H01M4/9033H01M2008/1293
    • An electrolyzer cell is disclosed which includes a cathode to reduce an oxygen-containing molecule, such as H2O, CO2, or a combination thereof, to produce an oxygen ion and a fuel molecule, such as H2, CO, or a combination thereof. An electrolyte is coupled to the cathode to transport the oxygen ion to an anode. The anode is coupled to the electrolyte to receive the oxygen ion and produce oxygen gas therewith. In one embodiment, the anode may be fabricated to include an electron-conducting phase having a perovskite crystalline structure or structure similar thereto. This perovskite may have a chemical formula of substantially (Pr(1-x)Lax)(z-y)A′yBO(3-∂), wherein 0≦x≦0.5, 0≦y≦0.5, and 0.8≦z≦1.1. In another embodiment, the cathode includes an electron-conducting phase that contains nickel oxide intermixed with magnesium oxide.
    • 公开了一种电解池,其包括阴极以减少含氧分子,例如H 2 O,CO 2或其组合,以产生氧离子和诸如H 2,CO或其组合的燃料分子。 电解质耦合到阴极以将氧离子输送到阳极。 阳极耦合到电解质以接收氧离子并与其产生氧气。 在一个实施例中,可以制造阳极以包括具有类似于其的钙钛矿晶体结构或结构的电子传导相。 该钙钛矿可以具有基本上为(Pr(1-x)Lax)(zy)A'yBO(3-∂)的化学式,其中0≦̸ x≦̸ 0.5,0和nlE; y≦̸ 0.5,0.8& nlE; z& 。 在另一个实施方案中,阴极包括含有与氧化镁混合的氧化镍的电子传导相。