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发明公开
CN105819837A 钠硫电池固体电解质用Na-β″-氧化铝浆料制备方法 无效 - 驳回

钠硫电池固体电解质用Na-β″-氧化铝浆料制备方法
摘要：
本发明公开了一种钠硫电池固体电解质用Na?β”?氧化铝浆料制备方法，包括下列步骤：球磨步骤：将预先合成的Li前驱粉和Na前驱粉，按照质量比1比5到1比10混合，与极性有机溶剂以及水溶性聚电解质，一起加入一个封闭的球磨机内进行球磨混合，且在球磨过程中，所述球磨机内与所述Li前驱粉和所述Na前驱粉接触的固相只有氧化锆；粘结步骤：往所述球磨机中加入粘结剂，使所述Li前驱粉、所述Na前驱粉、所述极性有机溶剂、所述水溶性聚电解质和所述粘结剂在所述球磨机内混合均匀；过筛步骤：将粘结步骤得到的浆料通过筛网进行过筛，当所述筛网内的筛余量小于5％时，即得到钠硫电池固体电解质用Na?β”?氧化铝浆料。
摘要（英）：

The invention discloses a preparation method of a Na-beta''-alumina slurry for a solid electrolyte of a sodium-sulfur battery.The method comprises the following steps of ball milling, wherein Li precursor power and Na precursor power which are synthesized in advance are mixed according to the mass ratio ranging from 1:5 to 1:10, the obtained mixture, a polar organic solvent and a water-soluble polyelectrolyte are together added into a closed ball mill for ball-milling mixing, and in the ball milling process, a solid phase, making contact with the Li precursor power and the Na precursor power, in the ball mill is only zirconium oxide; bonding, wherein a bonding agent is added into the ball mill, and the Li precursor power, the Na precursor power, the polar organic solvent, the water-soluble polyelectrolyte and the bonding agent are mixed to be uniform in the ball mill; screening, wherein the slurry obtained in the bonding step is screened with a mesh screen, and the Na-beta''-alumina slurry for the solid electrolyte of the sodium-sulfur battery is obtained when the weight of screen residues in the mesh screen is smaller than 5%.

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