Improvement of Electro-Caloric Effect and Energy Storage Density in BaTiO₃-Bi(Zn, Ti)O₃ Ceramics Prepared with BaTiO₃ Nano-Powder.

ABSTRACT: BaTiO₃-Bi(Zn,Ti)O₃ (BT-BZT) ceramics have been used as capacitors due to their large dielectric permittivity and excellent temperature stability and are good candidates for lead-free materials for electrocaloric and energy storage devices. However, BT-BZT ceramics often suffer from inferior properties and poor reproducibility due to heterogeneous compositional distribution after calcination and sintering. In this work, (1-x)BT-xBZT ceramics (x = 0~0.2) were fabricated with nano-sized BaTiO₃ raw materials (nano-BT) by a solid-state reaction method to enhance the chemical homogeneity. The (1-x)BT-xBZT ceramics prepared from the nano-BT showed larger densities and more uniform microstructures at the lower calcination and sint

SUBMITTER: Lee GS 

PROVIDER: S-EPMC11242748 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature