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Zinc oxide piezoresistor preparation method based on chemical deposition method
The invention discloses a zinc oxide piezoresistor preparation method based on a chemical deposition method, which comprises the following steps: S1, dissolving weighed raw materials with ethylene glycol to form a mixed solution, dropwise adding a NaOH solution into the mixed solution to obtain a precipitate, and filtering and washing the precipitate; s2, drying the precipitate in a drying machine, grinding after drying, and sieving with a 60-mesh sieve; s3, adding a polyvinyl alcohol aqueous solution into the precipitate, mixing, drying, grinding, sieving with a 60-mesh sieve, and granulating; s4, spraying deionized water into the granulated powder, uniformly shaking, standing and tabletting; s5, sintering the tablet, and cooling to room temperature to obtain a sample; s6, performing fine grinding on the sample, performing ultrasonic cleaning on the sample in an ultrasonic cleaning machine, and drying; and S7, coating the surface of the dried sample with a gold electrode to obtain the zinc oxide varistor. According to the preparation method disclosed by the invention, uniform mixing of the ZnO powder and the doped metal oxide is effectively realized, so that the ZnO varistor is more uniform in microscopic grain structure and more excellent in electrical property, and can meet the development requirements of an extra-high voltage power grid.
本发明公开了一种基于化学沉附法的氧化锌压敏电阻制备方法，包括以下步骤：S1、用乙二醇溶解称量好的原料形成混合溶液，向其中滴入NaOH溶液，得沉淀，沉淀过滤、洗涤；S2、将沉淀放入干燥机中干燥，干燥后研磨，过60目筛；S3、向沉淀中后加入聚乙烯醇水溶液，混合、烘干，研磨过60目筛后造粒；S4、向造粒后的粉料中喷去离子水，摇匀、静置，压片；S5、将压片烧结，冷却至室温，得样品；S6、将样品细磨后置于超声清洗机超声清洗，烘干；S7、在烘干后的样品表面涂覆金电极，得所述氧化锌压敏电阻。本发明制备方法有效实现了ZnO粉体与掺杂金属氧化物的均匀混合，从而使ZnO压敏电阻在微观晶粒结构更均匀，电学性能更优越，能够满足特高压电网的发展需求。
Zinc oxide piezoresistor preparation method based on chemical deposition method
The invention discloses a zinc oxide piezoresistor preparation method based on a chemical deposition method, which comprises the following steps: S1, dissolving weighed raw materials with ethylene glycol to form a mixed solution, dropwise adding a NaOH solution into the mixed solution to obtain a precipitate, and filtering and washing the precipitate; s2, drying the precipitate in a drying machine, grinding after drying, and sieving with a 60-mesh sieve; s3, adding a polyvinyl alcohol aqueous solution into the precipitate, mixing, drying, grinding, sieving with a 60-mesh sieve, and granulating; s4, spraying deionized water into the granulated powder, uniformly shaking, standing and tabletting; s5, sintering the tablet, and cooling to room temperature to obtain a sample; s6, performing fine grinding on the sample, performing ultrasonic cleaning on the sample in an ultrasonic cleaning machine, and drying; and S7, coating the surface of the dried sample with a gold electrode to obtain the zinc oxide varistor. According to the preparation method disclosed by the invention, uniform mixing of the ZnO powder and the doped metal oxide is effectively realized, so that the ZnO varistor is more uniform in microscopic grain structure and more excellent in electrical property, and can meet the development requirements of an extra-high voltage power grid.
本发明公开了一种基于化学沉附法的氧化锌压敏电阻制备方法，包括以下步骤：S1、用乙二醇溶解称量好的原料形成混合溶液，向其中滴入NaOH溶液，得沉淀，沉淀过滤、洗涤；S2、将沉淀放入干燥机中干燥，干燥后研磨，过60目筛；S3、向沉淀中后加入聚乙烯醇水溶液，混合、烘干，研磨过60目筛后造粒；S4、向造粒后的粉料中喷去离子水，摇匀、静置，压片；S5、将压片烧结，冷却至室温，得样品；S6、将样品细磨后置于超声清洗机超声清洗，烘干；S7、在烘干后的样品表面涂覆金电极，得所述氧化锌压敏电阻。本发明制备方法有效实现了ZnO粉体与掺杂金属氧化物的均匀混合，从而使ZnO压敏电阻在微观晶粒结构更均匀，电学性能更优越，能够满足特高压电网的发展需求。
Zinc oxide piezoresistor preparation method based on chemical deposition method
一种基于化学沉附法的氧化锌压敏电阻制备方法
DONG MANLING (author) / CHENG SIYUAN (author) / ZHANG KE (author) / GUO LEI (author) / ZHANG YANG (author) / YAO WEI (author) / GUO PEI (author) / WANG CHAOFAN (author) / ZHANG XIAOXUAN (author) / CHO HYUN-GEUN (author)
2022-03-04
Patent
Electronic Resource
Chinese
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