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    • 8. 发明申请
    • PHOTO-ACTIVATION OF SOLID OXIDE FUEL CELLS AND GAS SEPARATION DEVICES
    • 固体氧化物燃料电池和气体分离装置的光激活
    • WO2008083224A1
    • 2008-07-10
    • PCT/US2007/088952
    • 2007-12-27
    • PRESIDENT AND FELLOWS OF HARVARD COLLEGERAMANATHAN, ShriramKARTHIKEYAN, Annamalai
    • RAMANATHAN, ShriramKARTHIKEYAN, Annamalai
    • H01M8/10
    • H01M8/1246H01M2008/1293H01M2300/0068Y02E60/525Y02P70/56
    • In various aspects, provided are methods for: (a) improving oxygen incorporation in a solid oxide layer less than about 1000 nm thick; (b) extending the on-set of mixed conduction in a solid oxide layer less than about 1000 nm thick; (c) modulating the electrical conductivity of oxide ion conducting layer less than about 1000 nm thick; (d) decreasing the conductivity of an oxide ion conducting layer less than about 1000 nm thick; (e) improving the performance of a solid oxide fuel cell; and (f) improving the performance of a gas separation device. In various embodiments, the methods comprise exposing oxygen to light having one or more wavelengths in the range between about 100 nm to about 365 nm and contacting the layer with the oxygen so exposed. In various embodiments, the methods provide the potential for tailoring the surface catalytic activity of oxygen-ion and mixed conductors used in various solid-state devices.
    • 在各个方面,提供了以下方法:(a)改善小于约1000nm厚的固体氧化物层中的氧结合; (b)在小于约1000nm厚的固体氧化物层中延伸一组混合导电; (c)调制小于约1000nm厚的氧化物离子传导层的电导率; (d)降低小于约1000nm厚的氧化物离子传导层的导电性; (e)提高固体氧化物燃料电池的性能; 和(f)提高气体分离装置的性能。 在各种实施方案中,所述方法包括将氧气暴露于具有在约100nm至约365nm范围内的一个或多个波长的光并使该层与暴露的氧接触。 在各种实施方案中,该方法提供了调整用于各种固态器件中的氧离子和混合导体的表面催化活性的潜力。