Issue 9, 2024

Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics

Abstract

Lead-free ceramics have received considerable research interest because of their environmentally friendly characteristics and superb performance in energy storage applications, which are critical for pulsed power electronic systems. In this work, we sintered a series of (0.90 − x)BiFeO3xBaTiO3–0.10CaHfO3 lead-free ceramics and comprehensively probed the crystallographic structure, grain morphology, electrical properties, etc., to assess their capability for use in energy storage applications. The 0.50BiFeO3–0.40BaTiO3–0.10CaHfO3 ceramic achieved an ultrahigh recoverable energy storage density of 4.70 J cm−3 and an outstanding energy conversion efficiency of 79% and can be considered an excellent material candidate for use in high-power energy storage devices.

Graphical abstract: Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics

Supplementary files

Article information

Article type
Paper
Submitted
02 Jan 2024
Accepted
19 Jan 2024
First published
23 Jan 2024

J. Mater. Chem. A, 2024,12, 5261-5268

Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics

J. Zhao, H. Li, Y. Du, X. Chen, H. Qin, J. Wang, T. Yan, S. Yu, Y. Hu and D. Wang, J. Mater. Chem. A, 2024, 12, 5261 DOI: 10.1039/D4TA00022F

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