Effect of Preparing Methods on Structure and Properties of Phosphate Glass-ceramics

被引：0

作者：

Zhou Y. ^{[1
]}

Tu Q. ^{[2
]}

Mi Z. ^{[3
]}

机构：

[1] School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan

[2] Shanghai Nuclear Engineering Research and Design Institute Co. Ltd., Shanghai

[3] Taiyuan Branch, CSIC Electrical Machinery Scienceand Technology Co. Ltd., Taiyuan

来源：

Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research | 2023年 / 37卷 / 10期

基金：

中国国家自然科学基金;

关键词：

dielectric properties; energy storage characteristics; glass-ceramics; inorganic non-metallic materials; mechanical properties; P-E hysteresis loops; preparing method;

D O I：

10.11901/1005.3093.2023.087

中图分类号：

学科分类号：

摘要：

Gass-ceramics can be well used for making energy storage capacitors because of their unique structure of crystalline particles uniformly distributed in the glass matrix. Compared with conventional silicon glass-based glass-ceramics, phosphate glass-ceramics have significant advantage of less energy consumption. In this study, glass-ceramics of P2O5-Nb2O5-BaO-Na2O-CeO2 were prepared by melting and sintering respectively. The structure of the prepared phosphate glass-ceramics was characterized through XRD and SEM. The effect of preparation method on the structure and properties of the phosphate glass-ceramics were systematically studied in terms of the bulk density, microhardness, dielectric properties, polarization performance and energy storage etc. The results showed that the more compact glass-ceramics could be obtained by the melting method, which could improve the bulk density and microhardness of the glass-ceramics, the corresponding dielectric loss was reduced. In addition, when the addition of CeO2 was increased to 1% (mole fraction), the phosphate glass-ceramics obtained by the two methods were also achieved good densification. The addition of CeO2 played a role in promoting crystallization, which enhanced the dielectric constant and polarization performance. The released energy density of 13.5 mJ/cm3 and energy storage efficiency of 50.1% were obtained for the glass-ceramic with addition of 1% CeO2 (mole fraction) prepared by melting method. © 2023 Chinese Journal of Materials Research. All rights reserved.

引用

页码：739 / 746

页数：7

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