Interfacial-Polarization Engineering in BNT-Based Bulk Ceramics for Ultrahigh Energy-Storage Density.

ABSTRACT: Ceramic capacitors, known for their exceptional energy-storage performance (ESP), are crucial components in high-pulsed power systems. However, their ESP is significantly constrained by breakdown strength (E_b), which is influenced by interfacial polarization. This study delves into the physics, characterization, and application of interfacial polarization. The findings indicate that key factors affecting ESP, such as grain size, relaxor factor, and bandgap, are intrinsically linked to interfacial polarization, establishing it as the most critical determinant of ESP. To demonstrate the practical applications of interfacial polarization engineering, lead-free ceramics of (1-x)(0.94Bi_0.5Na_0.5TiO₃-0.06BaTiO₃)-xCa_0.7Bi_0.2

SUBMITTER: Cao W 

PROVIDER: S-EPMC11672256 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature