Investigation on Discharge Behavior of Antiferroelectric Multilayer Ceramic Capacitors

The most promising capacitors for pulse power applications are thought to be antiferroelectric (AFE) ones. Owing to the impact of hysteresis, it is critical to comprehend the discharge behavior of the AFE capacitors under pulse conditions. In this work, multilayer ceramic capacitors (MLCCs) made of...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2023-04, Vol.30 (2), p.643-648
Main Authors: Xia, Jiake, Cao, Fei, Chen, Xuefeng, Lin, Zhi-Sheng, Song, Yunxiong, Chen, Yonghong, Yan, Shiguang, Wang, Genshui
Format: Article
Language:English
Subjects:
Alliances
Antiferroelectricity
Capacitors
Circuits
Dipoles
Discharge
Lead lanthanum zirconate titanate
Multilayers
Spark forming
Waveforms
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The most promising capacitors for pulse power applications are thought to be antiferroelectric (AFE) ones. Owing to the impact of hysteresis, it is critical to comprehend the discharge behavior of the AFE capacitors under pulse conditions. In this work, multilayer ceramic capacitors (MLCCs) made of lead lanthanum zirconate titanate were manufactured using the laminate co-firing method, and the discharge characteristics were examined. The material displayed a high recoverable energy density of 12.4 [Formula Omitted] with the efficiency [Formula Omitted] of 90% at 68 [Formula Omitted]. The discharge current waveforms obeyed the theoretical formulas controlled by field-dependent capacitance. Moreover, in pulse discharge conditions, the capacitor outputted less energy, which was [Formula Omitted] in the [Formula Omitted] circuit and [Formula Omitted] in the [Formula Omitted] circuit. The extra energy loss was mainly derived from the frequency-dependent viscous loss of dipoles, which resulted in discharge degradation and eventually failure. Finally, by the weak point breakdown theory and the electric tree model, the failure point produced under the pulse condition could be explained.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2022.3224888