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Multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration and preparation method thereof
The invention discloses a multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration and a preparation method thereof, and relates to the technical field of relaxor ferroelectric thick film materials. The multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration is composed of a dielectric layer and an inner electrode, wherein the dielectric layer is made of (1-x) Na0.5Bi0.5TiO<3-x>Sr<1-0.15y>BiyTiO3 powder; and x and y in (1-x) Na0.5Bi0.5TiO<3-x>Sr<1-0.15y>BiyTiO3 are mole numbers, x is greater than or equal to 0.38 and less than or equal to 0.56, and y is greater than or equal to 0 and less than or equal to 0.2. According to the multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration, energy storage and electrocaloric refrigeration are integrated into a single material, the size and mass of an integrated circuit are reduced, energy storage and electrocaloric refrigeration are synchronously achieved, and the problem that the service life of an existing energy storage capacitor is shortened due to the heat effect is solved. The multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration provided by the invention simultaneously realizes high energy storage density 4.5 J/cm < 3 >, wide temperature range (33-103 DEG C) and large electrocaloric (delta T = 2.5 DEG C).
本发明公开了一种基于能量存储与电卡制冷的多层陶瓷电容器及其制备方法，涉及弛豫铁电厚膜材料技术领域，所述的基于能量存储与电卡制冷的多层陶瓷电容器由介质层和内电极组成，所述的介质层采用的原料为(1‑x)Na0.5Bi0.5TiO3‑xSr1‑0.15yBiyTiO3粉体；其中，(1‑x)Na0.5Bi0.5TiO3‑xSr1‑0.15yBiyTiO3中的x和y为摩尔数，0.38≤x≤0.56，0≤y≤0.2。本发明提供的基于能量存储与电卡制冷的多层陶瓷电容器将能量存储与电卡制冷集成至单一材料，缩小集成电路体积及质量，以此来同步实现能量存储与电卡制冷，解决现今储能电容器因热效应导致服役寿命缩短的问题。本发明提供的基于能量存储与电卡制冷的多层陶瓷电容器同时实现了高储能密度4.5J/cm3与宽温区(33‑103℃)、大电卡(ΔT＝2.5℃)。
Multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration and preparation method thereof
The invention discloses a multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration and a preparation method thereof, and relates to the technical field of relaxor ferroelectric thick film materials. The multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration is composed of a dielectric layer and an inner electrode, wherein the dielectric layer is made of (1-x) Na0.5Bi0.5TiO<3-x>Sr<1-0.15y>BiyTiO3 powder; and x and y in (1-x) Na0.5Bi0.5TiO<3-x>Sr<1-0.15y>BiyTiO3 are mole numbers, x is greater than or equal to 0.38 and less than or equal to 0.56, and y is greater than or equal to 0 and less than or equal to 0.2. According to the multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration, energy storage and electrocaloric refrigeration are integrated into a single material, the size and mass of an integrated circuit are reduced, energy storage and electrocaloric refrigeration are synchronously achieved, and the problem that the service life of an existing energy storage capacitor is shortened due to the heat effect is solved. The multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration provided by the invention simultaneously realizes high energy storage density 4.5 J/cm < 3 >, wide temperature range (33-103 DEG C) and large electrocaloric (delta T = 2.5 DEG C).
本发明公开了一种基于能量存储与电卡制冷的多层陶瓷电容器及其制备方法，涉及弛豫铁电厚膜材料技术领域，所述的基于能量存储与电卡制冷的多层陶瓷电容器由介质层和内电极组成，所述的介质层采用的原料为(1‑x)Na0.5Bi0.5TiO3‑xSr1‑0.15yBiyTiO3粉体；其中，(1‑x)Na0.5Bi0.5TiO3‑xSr1‑0.15yBiyTiO3中的x和y为摩尔数，0.38≤x≤0.56，0≤y≤0.2。本发明提供的基于能量存储与电卡制冷的多层陶瓷电容器将能量存储与电卡制冷集成至单一材料，缩小集成电路体积及质量，以此来同步实现能量存储与电卡制冷，解决现今储能电容器因热效应导致服役寿命缩短的问题。本发明提供的基于能量存储与电卡制冷的多层陶瓷电容器同时实现了高储能密度4.5J/cm3与宽温区(33‑103℃)、大电卡(ΔT＝2.5℃)。
Multilayer ceramic capacitor based on energy storage and electrocaloric refrigeration and preparation method thereof
基于能量存储与电卡制冷的多层陶瓷电容器及其制备方法
ZHAO YE (author) / ZHU LIPENG (author) / HAO XIHONG (author) / MENG XIANGJUN (author) / LI YONG (author)
2021-10-15
Patent
Electronic Resource
Chinese
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