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 …

Research progress, doping strategies and dielectric-ferroelectric anomalies of rare earth-based Bi0. 5Na0. 5TiO3 perovskites

S Supriya - Journal of Rare Earths, 2023 - Elsevier
Rare earth-based functional perovskites have received significant attention due to
increasing energy crisis problems and environmental pollution. Many non-toxic, lead-free …

Excellent catalytic performance of molten-salt-synthesized Bi0. 5Na0. 5TiO3 nanorods by the piezo-phototronic coupling effect

X Zhou, Q Sun, D Zhai, G Xue, H Luo, D Zhang - Nano Energy, 2021 - Elsevier
The coupling between piezoelectricity and photoexcitation has recently been emerged as an
effective strategy to improve the catalytic performance of semiconductors. Lead-free Bi 0.5 …

Enhanced energy storage density of Sr0. 7BixTiO3 lead-free relaxor ceramics via A-site defect and grain size tuning

X Zhu, P Shi, R Kang, S Li, Z Wang, W Qiao… - Chemical Engineering …, 2021 - Elsevier
The application of dielectric capacitors with high energy density is very important to solve the
increasingly serious energy crisis. However, the further improvement of energy density is …

Achieving high energy storage performance and ultrafast discharge speed in SrTiO3-based ceramics via a synergistic effect of chemical modification and defect …

L Liu, B Chu, P Li, P Fu, J Du, J Hao, W Li… - Chemical Engineering …, 2022 - Elsevier
Environmentally friendly energy storage materials with high energy storage performance
and excellent stability for applications in pulse power systems are urgently needed. SrTiO 3 …

[HTML][HTML] Oxygen vacancy migration and its lattice structural origin in A-site non-stoichiometric bismuth sodium titanate perovskites

J Shi, X Liu, F Zhu, W Tian, Y Xia, T Li, R Rao… - Journal of …, 2022 - Elsevier
Off-stoichiometry of perovskite structural Bi 0.5 Na 0.5 TiO 3 (BNT) ferroelectrics can give
rise to considerable oxide-ion conductivity. The inherent structural characteristics are urgent …

Enhanced energy storage performance of BaTi0. 97Ca0. 03O2. 97-based ceramics by doping high-entropy perovskite oxide

Z Li, Z Chen, J Xu - Journal of Alloys and Compounds, 2022 - Elsevier
To improve the comprehensive energy storage performance of the BaTi 0.97 Ca 0.03 O 2.97-
based ceramics for pulse power capacitors, a typical bismuth-based high entropy …

Intelligent self-actuating lead-free cooling ceramics based on A-site defect engineering

G Li, F Yan, K Zhu, C Shi, G Ge, J Lin, Y Shi, B Shen… - Acta Materialia, 2022 - Elsevier
Current interests in electrocaloric (EC) and electromechanical (EM) effects have been
stimulated by the discovery that self-actuating electrocaloric materials designed by using the …

Mixed ionic–electronic conduction and defect chemistry of (Na 0.5 Bi 0.5 TiO 3) 1− x (BiCoO 3) x (0≤ x≤ 0.06) solid solutions

F Yang, Y Du, Y Hu, Q Hu, P Wu… - Journal of Materials …, 2023 - pubs.rsc.org
The electrical conductivity of Na0. 5Bi0. 5TiO3 (NBT)-based materials has been investigated
intensively in the past decade; however, the conduction behaviour with incorporation of …

Anomalous electrical performance of A-site double-bivalent-doped Bi0. 49Na0. 5TiO3-δ ceramics from nominal oxygen deficiency to excess

J Shi, R Rao, W Tian, X Xu, X Liu - Ceramics International, 2022 - Elsevier
Abstract Perovskite structural Bi 0.5 Na 0.5 TiO 3 (BNT) ferroelectrics can exhibit
considerable ionic conductivity, giving a new area for the application as oxygen ion …