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Ceramic PTC thermistor element and preparation method thereof
The present invention discloses a ceramic PTC thermistor element preparation method, which comprises: adopting BaCO3, CaCO3 and TiO2 as main raw materials, mixing with a first semiconducting agent, carrying out wet ball milling for a predetermined time, carrying out pressure filtration and drying, carrying out a pre-burning reaction to synthesize a main material 1, adopting Pb3O4 and TiO2 as main raw materials, mixing with a second semiconducting agent, carrying out wet ball milling for a predetermined time, carrying out pressure filtration and drying, carrying out a pre-burning reaction to synthesize a main material 2, mixing the main material 1, the main material 2, a dopant, a sintering auxiliary agent and the like, correcting the surface temperature parameter by adding a specific amount of a moving agent or adjusting the proportion of the sintering auxiliary agent, carrying out wet ball milling for a predetermined time, and carrying out granulation, forming, sintering, electrode to prepare the finished product. The present invention further discloses the ceramic PTC thermistor element.
Ceramic PTC thermistor element and preparation method thereof
The present invention discloses a ceramic PTC thermistor element preparation method, which comprises: adopting BaCO3, CaCO3 and TiO2 as main raw materials, mixing with a first semiconducting agent, carrying out wet ball milling for a predetermined time, carrying out pressure filtration and drying, carrying out a pre-burning reaction to synthesize a main material 1, adopting Pb3O4 and TiO2 as main raw materials, mixing with a second semiconducting agent, carrying out wet ball milling for a predetermined time, carrying out pressure filtration and drying, carrying out a pre-burning reaction to synthesize a main material 2, mixing the main material 1, the main material 2, a dopant, a sintering auxiliary agent and the like, correcting the surface temperature parameter by adding a specific amount of a moving agent or adjusting the proportion of the sintering auxiliary agent, carrying out wet ball milling for a predetermined time, and carrying out granulation, forming, sintering, electrode to prepare the finished product. The present invention further discloses the ceramic PTC thermistor element.
Ceramic PTC thermistor element and preparation method thereof
GAO CHANGFU (author) / LONG XIAOQIN (author) / SONG WENJIE (author)
2015-08-12
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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