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    • 4. 发明公开
    • EFFICIENT REVERSIBLE ELECTRODES FOR SOLID OXIDE ELECTROLYZER CELLS
    • 有效的可逆电极用于固体氧化物电解质电池
    • EP2069556A2
    • 2009-06-17
    • EP07810715.8
    • 2007-07-23
    • Ceramatec, Inc.Elangovan, SingaraveluHartvigsen, Joseph
    • ELANGOVAN, S.HARTVIGSEN, Joseph
    • C25D17/00
    • C25B11/04C25B1/02C25B11/0463H01M4/9016H01M4/9033H01M2008/1293
    • An electrolyzer cell (100) is disclosed which includes a cathode (104) 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 (106) is coupled to the cathode (104) to transport the oxygen ion to an anode (102). The anode (102) is coupled to the electrolyte (106) to receive the oxygen ion and produce oxygen gas therewith. In one embodiment, the anode (102) 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 (104) includes an electron-conducting phase that contains nickel oxide intermixed with magnesium oxide.
    • 公开了一种电解槽(100),其包括用于还原含氧分子(例如H 2 O,CO 2或其组合)的阴极(104),以产生氧离子和燃料分子,例如H 2,CO, 或其组合。 电解质(106)连接到阴极(104)以将氧离子传输到阳极(102)。 阳极(102)连接到电解质(106)以接收氧离子并随其产生氧气。 在一个实施例中,阳极(102)可以被制造成包括具有钙钛矿晶体结构或与其类似的结构的电子传导相。 该钙钛矿可以具有基本上(Pr(1-x)La x)(z-y)A'yBO(3-∂)的化学式,其中0≤x≤0.5,0≤y≤0.5且0.8≤z≤1.1。 在另一个实施方案中,阴极(104)包括含有与氧化镁混合的氧化镍的电子传导相。