| 摘要 |
<p>An excellent beta-alumina solid electrolyte for sadium-sulfur cells is provided simultaneously satisfying a high strength and a low resistance wherein beta - and beta sec -alumina crystals simultaneously satisfy three conditions of an average particle diameter of 1-4 mu m calculated as a diameter equivalent to a circle, an amount of crystals of a particle size of not larger than 5 mu m of 85-98 wt%, and a maximum particle diameter of not larger than 300 mu m. Methods for producing the beta-alumina solid electrolyte are also disclosed.</p> |
