添加Bi2WO6对ZnO基压敏陶瓷电学性能的影响

添加Bi₂WO₆对ZnO基压敏陶瓷电学性能的影响

林文文, 贺笑春, 徐志军, 王子恒, 初瑞清

Influence of Bi₂WO₆ on Electric Properties of ZnO Varistor Ceramics

LIN Wenwen, HE Xiaochun, XU Zhijun, WANG Ziheng, CHU Ruiqing

表1 ZnO基压敏陶瓷的宏观电性能参数

Table 1 Macro-electrical performance parameters of ZnO varistor ceramics

Bi₂WO₆/%	d/μm	E_{1 mA}/V·mm^-1	V_gb/V	α	J_L/μA·cm^-2
0	5.86	291	1.71	44	1.01
1	4.00	397	1.59	37	20.64
3	5.39	365	1.97	15	41.26
5	5.68	312	1.77	45	10.93
7	8.46	263	2.22	53	3.50
9	5.83	298	1.74	28	11.37