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Two-dimensional boron nitride full-ceramic membrane as well as preparation method and application thereof
The invention provides a two-dimensional boron nitride full-ceramic membrane and a preparation method and application thereof.The preparation method comprises the steps that two-dimensional boron nitride dispersion liquid is provided and comprises two-dimensional boron nitride nanosheets and a solvent; processing the two-dimensional boron nitride dispersion liquid by adopting a wet forming technology to obtain a first film; applying pressure to the first film to obtain a second film; and Joule heat sintering is applied to the second membrane, the sintering temperature ranges from 1500 DEG C to 2500 DEG C, the sintering time ranges from 10 s to 3000 s, and the two-dimensional boron nitride full-ceramic membrane is obtained. The two-dimensional boron nitride full-ceramic membrane provided by the invention comprises a plurality of laminated two-dimensional boron nitride nanosheets, and the adjacent two-dimensional boron nitride nanosheets are directly connected and are connected through sintering bonding. Therefore, the two-dimensional boron nitride full-ceramic membrane provided by the invention has an excellent heat conductivity coefficient.
本申请提供了一种二维氮化硼全陶瓷膜、其制备方法和应用，制备方法包括：提供二维氮化硼分散液，二维氮化硼分散液包括二维氮化硼纳米片和溶剂；采用湿法成型技术加工二维氮化硼分散液获得第一膜；对第一膜施加压力，以得到第二膜；对第二膜施加焦耳热烧结，烧结温度为1500℃～2500℃，烧结时间为10～3000s，得到二维氮化硼全陶瓷膜。本申请提供的二维氮化硼全陶瓷膜包括若干层叠排列的二维氮化硼纳米片，相邻的二维氮化硼纳米片直接连接且通过烧结键合连接，本申请提供的薄膜省去了现有技术中引入的高分子材料，使得本申请中二维氮化硼全陶瓷膜具有优异的导热系数。
Two-dimensional boron nitride full-ceramic membrane as well as preparation method and application thereof
The invention provides a two-dimensional boron nitride full-ceramic membrane and a preparation method and application thereof.The preparation method comprises the steps that two-dimensional boron nitride dispersion liquid is provided and comprises two-dimensional boron nitride nanosheets and a solvent; processing the two-dimensional boron nitride dispersion liquid by adopting a wet forming technology to obtain a first film; applying pressure to the first film to obtain a second film; and Joule heat sintering is applied to the second membrane, the sintering temperature ranges from 1500 DEG C to 2500 DEG C, the sintering time ranges from 10 s to 3000 s, and the two-dimensional boron nitride full-ceramic membrane is obtained. The two-dimensional boron nitride full-ceramic membrane provided by the invention comprises a plurality of laminated two-dimensional boron nitride nanosheets, and the adjacent two-dimensional boron nitride nanosheets are directly connected and are connected through sintering bonding. Therefore, the two-dimensional boron nitride full-ceramic membrane provided by the invention has an excellent heat conductivity coefficient.
本申请提供了一种二维氮化硼全陶瓷膜、其制备方法和应用，制备方法包括：提供二维氮化硼分散液，二维氮化硼分散液包括二维氮化硼纳米片和溶剂；采用湿法成型技术加工二维氮化硼分散液获得第一膜；对第一膜施加压力，以得到第二膜；对第二膜施加焦耳热烧结，烧结温度为1500℃～2500℃，烧结时间为10～3000s，得到二维氮化硼全陶瓷膜。本申请提供的二维氮化硼全陶瓷膜包括若干层叠排列的二维氮化硼纳米片，相邻的二维氮化硼纳米片直接连接且通过烧结键合连接，本申请提供的薄膜省去了现有技术中引入的高分子材料，使得本申请中二维氮化硼全陶瓷膜具有优异的导热系数。
Two-dimensional boron nitride full-ceramic membrane as well as preparation method and application thereof
二维氮化硼全陶瓷膜、其制备方法和应用
QIU LING (author) / CHENG HUIMING (author) / DING SIYUAN (author) / LIU MINSU (author)
2024-04-02
Patent
Electronic Resource
Chinese
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