Ultrahigh Energy‐Storage Density in NaNbO3‐Based Lead‐Free Relaxor Antiferroelectric Ceramics with Nanoscale Domains

• Published in: Advanced functional materials Vol. 29; no. 35
• Main Authors: Qi, He, Zuo, Ruzhong, Xie, Aiwen, Tian, Ao, Fu, Jian, Zhang, Yi, Zhang, Shujun
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc 01.08.2019
• Subjects: Antiferroelectricity; Capacitors; Ceramics; Charge density; Dielectric relaxation; Domains; Electron diffraction; Energy storage; Fields (mathematics); Flux density; lead free; Materials science; NaNbO3; nanodomains; relaxor antiferroelectric; Relaxors; Sodium compounds; Thermal stability

Dielectric energy‐storage capacitors have received increasing attention in recent years due to the advantages of high voltage, high power density, and fast charge/discharge rates. Here, a new environment‐friendly 0.76NaNbO3–0.24(Bi0.5Na0.5)TiO3 relaxor antiferroelectric (AFE) bulk ceramic is studied...