BaTiO3-Bi(Li0.5Ta0.5)O3, Lead-Free Ceramics, and Multilayers with High Energy Storage Density and Efficiency

Research output: Contribution to journalArticlepeer-review

147 Scopus citations

Abstract

BaTiO3-based materials show great promise for energy storage capacitors, but their low breakdown strength and high remnant polarization currently result in relatively low energy density. Here, we report a novel (1-x)BaTiO3-xBi(Li0.5Ta0.5)O3 (0.06 ≤ x ≤ 0.12, BT-xBLT) lead-free ceramic with electric field (E) ∼ 280 kV cm-1, discharge energy density (We) ∼ 2.2 J cm-3, charge-discharge efficiency (η) > 89% that is thermally stable up to 160 °C and with a fast discharge time (≤0.5 μs). Multilayers of compositions with x = 0.1 also exhibited high We = 4.05 J cm-3 and η = 95.5%, demonstrating their potential for energy storage.

Original languageEnglish
Pages (from-to)5016-5023
Number of pages8
JournalACS Applied Energy Materials
Volume1
Issue number9
DOIs
StatePublished - 24 Sep 2018

Keywords

  • BaTiO
  • capacitors
  • ceramics
  • dielectrics
  • energy storage
  • multilayers

Fingerprint

Dive into the research topics of 'BaTiO3-Bi(Li0.5Ta0.5)O3, Lead-Free Ceramics, and Multilayers with High Energy Storage Density and Efficiency'. Together they form a unique fingerprint.

Cite this