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Piezoresistor ceramic powder and preparation method and application thereof
The invention discloses piezoresistor ceramic powder as well as a preparation method and application thereof, and belongs to the technical field of resistor materials. According to the invention, the Al element and the Ba element in specific parts by weight are introduced into the piezoresistor ceramic powder, the rare earth oxide is introduced into the additive, and the parts by weight of the components in the piezoresistor ceramic powder are controlled, so that the prepared piezoresistor disc can realize low-temperature sintering and has high potential gradient and through-current capability; the maximum through-flow density of the resistor disc can reach more than 4000 A/cm < 2 >, and the resistor disc is good in performance stability, can be used for preparing an ultrahigh-energy chip-type piezoresistor material, and meets the use requirements of high surge protection voltage, large surge current and the like of electronic products.
本发明公开了一种压敏电阻瓷粉及其制备方法与应用，属于电阻材料技术领域。本发明通过在压敏电阻瓷粉中引入特定重量份的Al元素和Ba元素，在所述添加剂中引入稀土氧化物，并控制压敏电阻瓷粉中各组分的重量份，使所制备的压敏电阻片可实现低温烧结，并具有高电位梯度和通流能力；所述电阻片的最大通流密度可达到4000A/cm2以上，性能稳定性好，可用于制备超高能片式压敏电阻材料，满足电子产品防护浪涌电压高、浪涌电流大等使用需求。
Piezoresistor ceramic powder and preparation method and application thereof
The invention discloses piezoresistor ceramic powder as well as a preparation method and application thereof, and belongs to the technical field of resistor materials. According to the invention, the Al element and the Ba element in specific parts by weight are introduced into the piezoresistor ceramic powder, the rare earth oxide is introduced into the additive, and the parts by weight of the components in the piezoresistor ceramic powder are controlled, so that the prepared piezoresistor disc can realize low-temperature sintering and has high potential gradient and through-current capability; the maximum through-flow density of the resistor disc can reach more than 4000 A/cm < 2 >, and the resistor disc is good in performance stability, can be used for preparing an ultrahigh-energy chip-type piezoresistor material, and meets the use requirements of high surge protection voltage, large surge current and the like of electronic products.
本发明公开了一种压敏电阻瓷粉及其制备方法与应用，属于电阻材料技术领域。本发明通过在压敏电阻瓷粉中引入特定重量份的Al元素和Ba元素，在所述添加剂中引入稀土氧化物，并控制压敏电阻瓷粉中各组分的重量份，使所制备的压敏电阻片可实现低温烧结，并具有高电位梯度和通流能力；所述电阻片的最大通流密度可达到4000A/cm2以上，性能稳定性好，可用于制备超高能片式压敏电阻材料，满足电子产品防护浪涌电压高、浪涌电流大等使用需求。
Piezoresistor ceramic powder and preparation method and application thereof
一种压敏电阻瓷粉及其制备方法与应用
CEN QUANJIN (author) / JIN LUJIANG (author) / REN XIN (author) / YAO ZHENG (author) / SONG YIHUA (author) / LI QIANG (author) / CHEN ZHIHUA (author) / HU JIANBING (author) / CHU JUNHUA (author) / CAO XIUHUA (author)
2023-11-07
Patent
Electronic Resource
Chinese
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