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    • 6. 发明授权
    • Method of making fuel cell electrolyte matrix
    • 制备燃料电池电解质矩阵的方法
    • US3658597A
    • 1972-04-25
    • US3658597D
    • 1969-03-13
    • TEXAS INSTRUMENTS INC
    • GRAY FOSTER L
    • H01M8/02H01M3/02
    • H01M8/0295Y02P70/56
    • A heat resistant porous fuel cell matrix for holding liquid electrolyte in fuel cells which can be subjected to extreme temperature conditions without cracking and permanently deforming is made from a ceramic metal oxide such as magnesia, a binder such as an alkali metal phosphate, and a liquid phase sintering agent for the metal oxides such as lithium fluoride. To form the matrix, the matrix molding composition is formed containing a thoroughly mixed composition of a major portion of the ceramic metal oxide, and minor portions of the binder and liquid phase sintering agent. The composition is molded into suitable matrix form, and the binding agent is activated such as by heating to form a porous green matrix which has structural integrity at room temperature. The porous green matrix is then heated to a temperature above the melting point of the liquid phase sintering agent to cause substantial sintering between the metallic oxide particles and yield a thermal resistant porous fuel cell matrix.
    • 用于在燃料电池中保持液体电解质的耐热多孔燃料电池基体由陶瓷金属氧化物如氧化镁,粘合剂如碱金属磷酸盐和液体制成,其可以经受极端温度条件而不会开裂和永久变形 用于金属氧化物如氟化锂的相烧结剂。 为了形成基质,形成含有大部分陶瓷金属氧化物的充分混合的组合物和粘结剂和液相烧结剂的少量部分的基质模塑组合物。 将组合物模制成合适的基质形式,并且结合剂如通过加热活化以形成在室温下具有结构完整性的多孔绿色基质。 然后将多孔绿色基质加热至高于液相烧结剂熔点的温度,以引起金属氧化物颗粒之间的实质烧结并产生耐热多孔燃料电池基体。