Journal ArticleDOI
Energy storage performance of BaTiO3-based relaxor ferroelectric ceramics prepared through a two-step process
Yang Li,Yi Liu,Mingyang Tang,Jingwen Lv,Fukang Chen,Quan Li,Yan Yan,Fei Wu,Li Jin,Gang Liu,Gang Liu +10 more
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TLDR
A two-step strategy including adjusting the ratio of chemical elements to modify the microstructures and optimizing the preparation process to enhance electric breakdown strength has been proposed to greatly enhance the energy storing performance of lead-free ferroelectric ceramics, whose effectiveness has been proved within this investigation.About:
This article is published in Chemical Engineering Journal.The article was published on 2021-09-01. It has received 113 citations till now. The article focuses on the topics: Ferroelectric ceramics & Ceramic.read more
Citations
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Giant energy-storage density with ultrahigh efficiency in lead-free relaxors via high-entropy design
TL;DR: In this article , the authors proposed a high-entropy strategy to design local polymorphic distortion including rhombohedral-orthorhombic-tetragonal-cubic multiphase nanoclusters and random oxygen octahedral tilt, resulting in ultrasmall polar nanoregions, an enhanced breakdown electric field, and delayed polarization saturation.
Journal ArticleDOI
High energy density, temperature stable lead-free ceramics by introducing high entropy perovskite oxide
Shiyu Zhou,ashanti,Shiyu Zhou,Yongping Pu,Xuqing Zhang,Yu Shi,Ziyan Gao,Yu Feng,Guodong Shen,Xueyun Wang,Dawei Wang +10 more
TL;DR: In this article, bismuth-based high entropy compound (HEC), Bi(Zn0.2Al 0.2Sn0.1)O3 (BZMASZ), was introduced into BaTiO3-Na0.5Bi0.3 (BT-NBT) matrix, in order to improve the comprehensive energy storage performance.
Journal ArticleDOI
Energy storage performance of Na0.5Bi0.5TiO3 based lead-free ferroelectric ceramics prepared via non-uniform phase structure modification and rolling process
Biao Guo,Yan Yan,Mingyang Tang,Ziyang Wang,Yang Li,Leiyang Zhang,Haibo Zhang,Li Jin,Gang Liu +8 more
TL;DR: In this article, a design strategy for building the co-existence of polymorphic PNRs through phase structure control was proposed, which achieved high polarization with limited hysteresis, taking advantage of ample hybridization between O2-2p and Bi3+6p orbitals for polarization and increased structural disorder caused by composition modification.
Journal ArticleDOI
High energy density, temperature stable lead-free ceramics by introducing high entropy perovskite oxide
TL;DR: In this article , bismuth-based high entropy compound (HEC), Bi(Zn 0.2Mg0.2Sn0.1)O3 (BZMASZ), was introduced into BaTiO3-Na 0.5Bi0.3 (BT-NBT) matrix, in order to improve the comprehensive energy storage performance.
Journal ArticleDOI
Composition and Structure Optimized BiFeO3 -SrTiO3 Lead-Free Ceramics with Ultrahigh Energy Storage Performance.
Fei Yan,Hairui Bai,Guang Tao Ge,Jinfeng Lin,Cheng Shi,Kun Zhu,Bo Shen,Jiwei Zhai,Shujun Zhang +8 more
TL;DR: Both energy density and efficiency exhibit excellent stability over the frequency range of 1-100 Hz and temperatures up to 120 °C, along with the superior power density of 280 MW cm-3, making the studied BiFeO3 -SrTiO3 ceramics potentially useful for high-power energy storage applications.
References
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Glassy polarization behavior in ferroelectric compounds Pb(Mg13Nb23)O3 and Pb(Zn13Nb23)O3
Gerald Burns,F. H. Dacol +1 more
TL;DR: In this article, the temperature dependence of the optic index of refraction, n(T), at several wave lengths in two ferroelectric compounds that have the simple perovskite ABO3 structure was investigated.
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Multilayer Lead-Free Ceramic Capacitors with Ultrahigh Energy Density and Efficiency.
TL;DR: The newly developed capacitor exhibits a wide temperature usage range of -60 to 120 °C, with an energy-density variation of less than 10%, and satisfactory cycling reliability, with degradation of more than 8% over 106 cycles demonstrate that the NBT-0.45SBT multilayer ceramic is a promising candidate for high-power energy storage applications.
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Potassium–sodium niobate based lead-free ceramics: novel electrical energy storage materials
TL;DR: In this article, a hybridization between the Bi 6p and O 2p orbitals was proposed to improve the recoverable energy density (Wrec) of lead-free bulk ceramics.
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Relaxor Ferroelectric BaTiO3–Bi(Mg2/3Nb1/3)O3 Ceramics for Energy Storage Application
TL;DR: In this paper, the authors showed that the BMN addition could lower the sintering temperature of BT-based ceramics, and they also revealed a pure perovskite structure for all studied samples.
Journal ArticleDOI
Novel BaTiO3-based lead-free ceramic capacitors featuring high energy storage density, high power density, and excellent stability
TL;DR: In this article, a novel BaTiO3-based lead-free composition with an ultrahigh energy storage density (2.41 J cm−3) and a high energy storage efficiency of 91.6% was reported.