【摘要】 采用Ｓｏｌ－Ｇｅｌ法制备全组分高温ＰＴＣ陶瓷材料，与常规固相反应法相比，对于相同配方和烧结工艺，可明显降低高温ＰＴＣ陶瓷材料的电阻率，同时具有良好的ＰＴＣ效应更多还原

【Abstract】 The full composition high temperature PTC ceramics prepared with Sol Gel process, compared with the conventional PTC ceramics of the same composition prepared with solid phase reaction process, possess lower resistivity and excellent PTC response.更多还原