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Wide-temperature stable energy storage ceramic material and preparation method thereof
The invention relates to the technical field of ceramic materials, in particular to a wide-temperature stable type energy storage ceramic material and a preparation method thereof.The wide-temperature stable type energy storage ceramic material comprises a principal crystalline phase and a modifier, the general chemical formula of the principal crystalline phase is (1-x) BaTiO3-x [ySr0. 7Bi0. 2TiO3-(1-y) Bi (Mg2/3Nb1/3) O3], x is larger than or equal to 0.1 and smaller than or equal to 0.4, y is larger than or equal to 0.5 and smaller than or equal to 0.95, the modifier is a simple oxide or carbonate, and the main crystalline phase and the modifier are mixed to form the wide-temperature stable type energy storage ceramic material. The main crystal phase is modified by adding the modifier, so that the energy storage performance is obviously improved, high energy density and high energy efficiency are realized, and the material has excellent frequency and temperature stability; according to the preparation method of the wide-temperature stable energy storage ceramic material provided by the invention, the energy storage ceramic material is prepared by ball-milling and mixing for the first time, pre-sintering, ball-milling and mixing for the second time, and sintering at 1100-1250 DEG C. The method is simple, the cost is low, the control is easy, and the preparation is easy.
本发明涉及陶瓷材料技术领域，具体涉及一种宽温稳定型储能陶瓷材料及其制备方法，本发明提供的宽温稳定型储能陶瓷材料，包括主晶相和改性剂，所述主晶相的化学通式为(1‑x)BaTiO3‑x[ySr0.7Bi0.2TiO3‑(1‑y)Bi(Mg2/3Nb1/3)O3]，其中0.1≤x≤0.4，0.5≤y≤0.95，所述改性剂为简单的氧化物或碳酸盐，通过加入改性剂对主晶相进行改性，使其储能性能上实现了明显的提升，实现了高能量密度和高能量效率，并具有优异的频率和温度稳定性；本发明提供的宽温稳定型储能陶瓷材料的制备方法，先经一次球磨混合，预烧后，再进行第二次球磨混合，并于在1100‑1250℃下烧结制成储能陶瓷材料，方法简单、成本低廉，易于控制，制备容易。
Wide-temperature stable energy storage ceramic material and preparation method thereof
The invention relates to the technical field of ceramic materials, in particular to a wide-temperature stable type energy storage ceramic material and a preparation method thereof.The wide-temperature stable type energy storage ceramic material comprises a principal crystalline phase and a modifier, the general chemical formula of the principal crystalline phase is (1-x) BaTiO3-x [ySr0. 7Bi0. 2TiO3-(1-y) Bi (Mg2/3Nb1/3) O3], x is larger than or equal to 0.1 and smaller than or equal to 0.4, y is larger than or equal to 0.5 and smaller than or equal to 0.95, the modifier is a simple oxide or carbonate, and the main crystalline phase and the modifier are mixed to form the wide-temperature stable type energy storage ceramic material. The main crystal phase is modified by adding the modifier, so that the energy storage performance is obviously improved, high energy density and high energy efficiency are realized, and the material has excellent frequency and temperature stability; according to the preparation method of the wide-temperature stable energy storage ceramic material provided by the invention, the energy storage ceramic material is prepared by ball-milling and mixing for the first time, pre-sintering, ball-milling and mixing for the second time, and sintering at 1100-1250 DEG C. The method is simple, the cost is low, the control is easy, and the preparation is easy.
本发明涉及陶瓷材料技术领域，具体涉及一种宽温稳定型储能陶瓷材料及其制备方法，本发明提供的宽温稳定型储能陶瓷材料，包括主晶相和改性剂，所述主晶相的化学通式为(1‑x)BaTiO3‑x[ySr0.7Bi0.2TiO3‑(1‑y)Bi(Mg2/3Nb1/3)O3]，其中0.1≤x≤0.4，0.5≤y≤0.95，所述改性剂为简单的氧化物或碳酸盐，通过加入改性剂对主晶相进行改性，使其储能性能上实现了明显的提升，实现了高能量密度和高能量效率，并具有优异的频率和温度稳定性；本发明提供的宽温稳定型储能陶瓷材料的制备方法，先经一次球磨混合，预烧后，再进行第二次球磨混合，并于在1100‑1250℃下烧结制成储能陶瓷材料，方法简单、成本低廉，易于控制，制备容易。
Wide-temperature stable energy storage ceramic material and preparation method thereof
一种宽温稳定型储能陶瓷材料及其制备方法
SI FENG (author) / WANG XIUHONG (author)
2022-04-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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