Detail publikace

Constructing layered structures to enhance the breakdown strength and energy density of Na0.5Bi0.5TiO3-based lead-free dielectric ceramics

Mei Li, Pengyuan Fan, Weigang Ma, Kai Liu, Jiadong Zhang, Chanatip Samart, Ting Zhang, Hua Tan, David Salamon, Haibo Zhang

Originální název

Constructing layered structures to enhance the breakdown strength and energy density of Na0.5Bi0.5TiO3-based lead-free dielectric ceramics

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

The improvement of breakdown strength for NBT-based ceramics is currently the main challenge in applications of lead-free dielectric energy-storage materials. In this study, large-polarization 0.65Na(0.5)Bi(0.5)TiO(3)-0.35SrTiO(3) (NBST) and high-efficiency 0.45Na(0.5)Bi(0.5)TiO(3)-0.55Sr(0.7)Bi(0.2)TiO(3) (NBSBT) ceramics were selected to construct layered ceramics. The effect of the number of interfaces on breakdown behavior and polarization was investigated by controlling the stacking of layered ceramics. The single-layer NBST/NBSBT alternately stacked layered ceramics achieved a maximum breakdown strength of 242 kV cm(-1), resulting in high recoverable energy storage density (4.48 J cm(-3)) and efficiency (similar to 90%). Meanwhile, the energy storage performance of NBST/NBSBT layered ceramics also exhibits excellent frequency (10-200 Hz) and temperature (25-125 degrees C) stability. The results prove that the large number of interfaces is beneficial to obtain high breakdown strength and maximum polarization, which brings new enlightenment to further improve the energy storage density of NBT-based materials.

Klíčová slova

RELAXOR FERROELECTRIC CERAMICS; STORAGE PROPERTIES; POLYMER NANOCOMPOSITES; SINTERING TEMPERATURE; THIN-FILMS; EFFICIENCY; MICROSTRUCTURE; POLARIZATION; PERFORMANCE; INTERFACES

Autoři

Mei Li, Pengyuan Fan, Weigang Ma, Kai Liu, Jiadong Zhang, Chanatip Samart, Ting Zhang, Hua Tan, David Salamon, Haibo Zhang

Vydáno

28. 12. 2019

Nakladatel

ROYAL SOC CHEMISTRY

Místo

CAMBRIDGE

ISSN

2050-7534

Periodikum

Journal of Materials Chemistry C

Ročník

7

Číslo

48

Stát

Spojené království Velké Británie a Severního Irska

Strany od

15292

Strany do

15300

Strany počet

9

URL

https://pubs.rsc.org/en/Content/ArticleLanding/2018/TC/C8TC04447C#!divAbstract

BibTex

@article{BUT161258,
  author="David {Salamon} and Hua {Tan}",
  title="Constructing layered structures to enhance the breakdown strength and energy density of Na0.5Bi0.5TiO3-based lead-free dielectric ceramics",
  journal="Journal of Materials Chemistry C",
  year="2019",
  volume="7",
  number="48",
  pages="15292--15300",
  doi="10.1039/c9tc05637h",
  issn="2050-7534",
  url="https://pubs.rsc.org/en/Content/ArticleLanding/2018/TC/C8TC04447C#!divAbstract"
}