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    • 5. 发明申请
    • SEAL STRUCTURES FOR SOLID OXIDE FUEL CELL DEVICES
    • 固体氧化物燃料电池装置的密封结构
    • WO2009097110A1
    • 2009-08-06
    • PCT/US2009/000532
    • 2009-01-27
    • CORNING INCORPORATEDKETCHAM, Thomas DROSETTIE, John SST. JULIEN, Dell JWIDJAJA, Sujanto
    • KETCHAM, Thomas DROSETTIE, John SST. JULIEN, Dell JWIDJAJA, Sujanto
    • H01M8/12H01M8/02
    • H01M8/0273H01M2008/1293Y02P70/56
    • Disclosed are seals and seal structures for use in electrochemical devices such as solid oxide fuel cell devices. Exemplary seal structures are configured such that at least a portion of the interface between the seal and electrolyte sheet deviates from planarity by extending either (i) upwardly and inwardly (ii) or downwardly and inwardly, toward the active portion of the electrolyte sheet surface where one or more device electrodes are deposited. By angling the seal portion of the electrolyte sheet, the sharpness of any resulting bends or deformations that may occur during use can be reduced, thus reducing the likelihood of any cracks forming in the typically high stress regions of the electrolyte sheet. Further, preferably at least a portion of the electrolyte sheet contacting the seal composition, the seal - electrolyte interface may deviate from planarity by at least 0.1 mm from the seal - electrolyte interface, where the deviation from planarity extends normal to the seal or inwardly toward the active surface region of the electrolyte sheet. Also disclosed are methods for manufacturing the inventive seal structures and electrochemical device assemblies comprising same.
    • 公开了用于电化学装置例如固体氧化物燃料电池装置的密封件和密封结构。 示例性的密封结构被配置为使得密封和电解质片之间的界面的至少一部分通过(i)向上和向内(ii)或向下和向内延伸朝向电解质片表面的有效部分而偏离平面度, 沉积一个或多个器件电极。 通过使电解质片的密封部分倾斜,可以减少在使用期间可能发生的任何所得到的弯曲或变形的锐度,从而降低在电解质片的典型高应力区域中形成任何裂纹的可能性。 此外,优选地,与密封组合物接触的电解质片的至少一部分,密封 - 电解质界面可能偏离与密封 - 电解质界面至少0.1mm的平面度,其中平面度的偏离垂直于密封件或向内朝向 电解质片的活性表面区域。 还公开了用于制造本发明的密封结构的方法和包括其的电化学装置组件。