Current development, optimisation strategies and future perspectives for lead-free dielectric ceramics in high field and high energy density capacitors

H Zubairi, Z Lu, Y Zhu, IM Reaney… - Chemical Society Reviews, 2024 - pubs.rsc.org
To meet the United Nations' sustainable development goal of affordable and clean energy,
there has been a growing need for low-cost, green, and safe energy storage technologies …

Complex impedance spectroscopy for capacitive energy-storage ceramics: a review and prospects

L Zhang, Y Pu, M Chen - Materials Today Chemistry, 2023 - Elsevier
For capacitive energy-storage ceramics, the potential of impedance spectroscopy (IS) is
difficult to exploit fully because of the relaxation-time complex distributions caused by …

[HTML][HTML] Super-stable permittivity and low dielectric loss of (1-x) Na0. 5Bi0. 5+ yTiO3-xNaTaO3 ceramics within an ultra-wide temperature range

P Ren, H Zhao, X Wang, Y Wan, Z Liu, C Long… - Journal of …, 2023 - Elsevier
This work designs a new system (1-x) Na 0.5 Bi 0.5+ y TiO 3-xNaTaO 3 with a
nonstoichiometric bismuth ratio, which is used as dielectrics of ceramics capacitors. Phase …

Sinterability of sodium bismuth titanate-based electroceramics at low temperatures

H Salimkhani, L Fulanović, T Frömling - Journal of the European Ceramic …, 2024 - Elsevier
The demand for robust multilayer ceramic capacitors with high-temperature and high-power
capabilities is surging. Cost-effective production is a key challenge, often linked to precious …

Temperature stable (1-x)(0.9 Na0. 5Bi0. 5TiO3-0.1 BiAlO3)-xNaTaO3 ceramics and capacitors with ultra-wide operational range

H Zhao, P Ren, Q Hua, L Liu, X Wang, Y Wan… - Journal of Alloys and …, 2021 - Elsevier
Temperature stable multilayer ceramic capacitors (MLCCs) are urgently required for
electronic equipment applications. In this work, NaTaO 3 modified (1-x)(0.9 Na 0.5 Bi 0.5 TiO …

Prototyping Na0. 5Bi0. 5TiO3-based multilayer ceramic capacitors for high-temperature and power electronics

M Gehringer, AP Hoang, L Fulanović… - Journal of the European …, 2023 - Elsevier
Currently, research on capacitor materials for high-temperature and power electronics
focuses on achieving new record-breaking limits for dielectric properties or energy storage …

Enhanced dielectric temperature stability and energy-storage properties of (Y0.5Nb0.5)4+ co-doped (Bi0.5Na0.5)0.94Ba0.06TiO3 lead-free relaxor ceramics

H Wang, Q Li, Y Jia, AK Yadav, B Yan, Q Shen… - Journal of Materials …, 2021 - Springer
Abstract (Bi0. 5Na0. 5) 0.94 Ba0. 06Ti1− x (Y0. 5Nb0. 5) x O3 (abbreviated as BNTBT-100 x
YN) lead-free relaxor ceramics were designed and prepared using a traditional solid-state …

Lead-free multilayer ceramic capacitors with ultra-wide temperature dielectric stability based on multifaceted modification

X Liu, Y Hou, B Song, H Cheng, Y Fu, M Zheng… - Journal of the European …, 2022 - Elsevier
The rapid development of high technology—such as space exploration and electric vehicles—
urgently requires ultra-wide temperature multilayer ceramic capacitors (UWT MLCCs) to …

Suppression of high-temperature dielectric loss by designed thermal annealing treatment in (Bi1/2Na1/2) TiO3 ceramics

JH Lee, GJ Lee, AP Hoang, T Frömling… - Journal of the European …, 2022 - Elsevier
Dielectrics for automobile applications generally require high temperature reliability. Bi 1/2
Na 1/2 TiO 3-based materials are excellent high-temperature dielectric candidates with …

Influence of defect chemistry on the electromechanical strain properties of BNT–ST‐based ternary systems

TA Duong, HTK Nguyen, T Frömling… - Journal of the …, 2024 - Wiley Online Library
In this study, the stabilization of ergodicity and electromechanical strain properties of lead‐
free ternary 0.75 Na1/2Bi1/2TiO3–0.24 SrTiO3–0.01 ABO3 piezoceramics (BNT–24ST …