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Method for preparing high-performance SnO2 piezoresistor
The invention discloses a method for preparing a high-performance SnO2 piezoresistor, which comprises the following steps of: mixing a treated SnO2 raw material with deionized water, carrying out ball milling, drying in a drying oven, grinding into powder, mixing with CoO, Ta2O5 and Cr2O3 in proportion, adding deionized water, and carrying out ball milling; then adding TiO2, Pr2O3 and In2O3 into the ground slurry, and carrying out ball milling again; and carrying out a series of operations such as drying, water containing, tabletting, glue discharging and sintering on the finally ball-milled slurry to prepare the high-performance SnO2 piezoresistor. The piezoresistor prepared by the method has the characteristics of better surge current resistance, high gradient, high nonlinearity, low leakage current and the like, and overcomes the defects that the surge current resistance is insufficient, the leakage current is too high and the nonlinearity, voltage gradient and leakage current problems cannot be considered in previous researches; the piezoresistor prepared by the method can better withstand the impact and damage of overvoltage and surge current in a power system to power equipment.
本发明公开了一种制备高性能的SnO2压敏电阻的方法，该发明的制备步骤是：将处理好的SnO2原料与去离子水混合后进行球磨，并用干燥箱烘干，研磨成粉之后，与CoO、Ta2O5、Cr2O3按比例混合，加入去离子水后球磨；继而向磨好的浆料中加入TiO2、Pr2O3和In2O3，再次球磨；将最终球磨好的浆料进行烘干、含水、压片、排胶、烧结等一系列操作，制备出高性能的SnO2压敏电阻。该方法制备出的压敏电阻具有较好的耐浪涌电流能力、高梯度、高非线性和低漏流等特点，弥补了前人研究中耐受浪涌电流能力不足、泄漏电流过高以及在非线性、电压梯度和泄漏电流问题上不能兼顾的缺陷，此种方法制备的压敏电阻能够更好地耐受电力系统中过电压和浪涌电流对电力设备的冲击与破坏。
Method for preparing high-performance SnO2 piezoresistor
The invention discloses a method for preparing a high-performance SnO2 piezoresistor, which comprises the following steps of: mixing a treated SnO2 raw material with deionized water, carrying out ball milling, drying in a drying oven, grinding into powder, mixing with CoO, Ta2O5 and Cr2O3 in proportion, adding deionized water, and carrying out ball milling; then adding TiO2, Pr2O3 and In2O3 into the ground slurry, and carrying out ball milling again; and carrying out a series of operations such as drying, water containing, tabletting, glue discharging and sintering on the finally ball-milled slurry to prepare the high-performance SnO2 piezoresistor. The piezoresistor prepared by the method has the characteristics of better surge current resistance, high gradient, high nonlinearity, low leakage current and the like, and overcomes the defects that the surge current resistance is insufficient, the leakage current is too high and the nonlinearity, voltage gradient and leakage current problems cannot be considered in previous researches; the piezoresistor prepared by the method can better withstand the impact and damage of overvoltage and surge current in a power system to power equipment.
本发明公开了一种制备高性能的SnO2压敏电阻的方法，该发明的制备步骤是：将处理好的SnO2原料与去离子水混合后进行球磨，并用干燥箱烘干，研磨成粉之后，与CoO、Ta2O5、Cr2O3按比例混合，加入去离子水后球磨；继而向磨好的浆料中加入TiO2、Pr2O3和In2O3，再次球磨；将最终球磨好的浆料进行烘干、含水、压片、排胶、烧结等一系列操作，制备出高性能的SnO2压敏电阻。该方法制备出的压敏电阻具有较好的耐浪涌电流能力、高梯度、高非线性和低漏流等特点，弥补了前人研究中耐受浪涌电流能力不足、泄漏电流过高以及在非线性、电压梯度和泄漏电流问题上不能兼顾的缺陷，此种方法制备的压敏电阻能够更好地耐受电力系统中过电压和浪涌电流对电力设备的冲击与破坏。
Method for preparing high-performance SnO2 piezoresistor
一种制备高性能的SnO2压敏电阻的方法
CHEN XIUHUA (author) / WAN QIANHONG (author) / LIU YUHAN (author) / YANG YU (author)
2022-03-25
Patent
Electronic Resource
Chinese
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