0.90(0.88NaNbO3-0.12Bi(Ni0.5Zr0.5)O3)-0.10CaTiO3 Lead-Free Dielectric Ceramics with High Energy Storage Properties
Source abstract
Abstract
Sodium niobate energy storage ceramics are widely concerned by many researchers due to their characteristics of antiferroelectricity, high polarization strength, relative breakdown resistance, light weight, and wide operating temperature range. In the present work, CaTiO 3 was added to NN-BNZ to form a solid solution, which optimizes the energy storage performances of ceramics. By introducing a linear energy storage material CaTiO 3, the energy storage characteristics of NN-BNZ ceramics were significantly improved. Especially, 0.90(0.88NN-0.12BNZ)-0.10CT ceramics exhibited a large W rec (5.1 J/cm 3 ) and higher η (83%). Moreover, the ceramics also present ultrafast t 0.9 (35 ns) in the temperature range of 30–100 °C). The above results indicate that the 0.90(0.88NN-0.12BNZ)-0.10CT ceramics has the prospect of being a high-performance energy storage capacitor.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Dielectric materials and actuators · Dielectric properties of ceramics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Nonferrous Materials and New Processing Technology, Ministry of Education, School of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
Funding
Natural Science Foundation of Guangxi Province · National Natural Science Foundation of China · High Level Innovation Team and Outstanding Scholar Program of Guangxi Institutes
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