Recent developments in BaTiO3 based lead-free materials for energy storage applications

Jain, Aditya; Wang, Y.G.; Shi, L.N.

doi:10.1016/j.jallcom.2022.167066

Cited by 76 publications

(17 citation statements)

References 293 publications

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“…7,8 BaTiO 3 filler in its nanoscale is considered as promising material for energy storage devices due to some features such as lower filler loading, larger interfacial areas, nanometer imperfections and interfiller distances 7,9 and its composites show lower dissipation factors 8 and higher breakdown strength, 7 which lead to improved dielectric properties. 7,9 BaTiO 3 filler has been embedded in many polymer matrices for energy storage applications such as epoxy, 10 polyimide (PI), [11][12][13][14][15] poly (methyl methacrylate) PMMA, 1 poly (vinylidene fluoride) (PVDF), 8 and poly (vinylidene fluoride-co-hexafluoro propylene) (PVDF-HFP) [9]. The dielectric properties of BaTiO 3 -NH 2 /LDPE nanocomposite have also been studied 16 and PAM/BaTiO 3 nanocomposite 17 has been prepared as an intelligent soft substance.…”

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confidence: 99%

The Impact of Gamma Radiation on the Structural, Optical, and Dielectric Properties of Polyacrylamide/Barium Titanate Nanocomposites

Zaghlool

Moghny

Mohamed

2023

ECS J. Solid State Sci. Technol.

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Polyacrylamide (PAM) was used as a matrix material for preparing nanocomposite samples filled with different weight fractions (1, 3, 5, 7, and 15%) of barium titanate (BaTiO3) by casting method. The PAM/7% BaTiO3 has been irradiated with gamma radiation at a dose of 200 Gy in order to investigate its impact on the structure as well as its optical and dielectric properties. The results show that the BaTiO3 nanoparticles are well incorporated inside the PAM matrix and the crystallite size of BaTiO3 has been decreased upon filling inside the PAM matrix as confirmed by the analysis of Fourier transform spectroscopy, and X-ray diffraction patterns, respectively. The prepared films show direct forbidden optical transition. Moreover, filling PAM with 7% BaTiO nanoparticles has increased the dielectric permittivity from 1.07 to 2.44 (at 100 kHz) with a slight increase in the loss factor from 0.015 to 0.020. In the other side, gamma radiation has decreased the crystallite size in relative to the un-irradiated sample with increased dielectric permittivity (2.89) and a slight decrease in the loss factor (0.019) at 100 kHz.

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confidence: 99%

The Impact of Gamma Radiation on the Structural, Optical, and Dielectric Properties of Polyacrylamide/Barium Titanate Nanocomposites

Zaghlool

Moghny

Mohamed

2023

ECS J. Solid State Sci. Technol.

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“…When processing from temperatures above the melting temperature of PVDF, it typically crystallized in the nonpolar a‐phase, [ 21 ] but specific fillers can lead to β ‐phase crystallization up to 90%, [ 19 ] though for large filler content, as the one in the present samples, values of the β ‐phase up to 20% are usual [ 19 ] due to the hindered crystallization dynamics due to the large filler content. Thus, the PVDF/45BT composite shows a piezoelectric phase that can be explored, together with the high‐dielectric constant (see Section 2.2), for sensor, actuator, and capacitive energy storage applications [6b,22] …”

Section: Resultsmentioning

confidence: 99%

Tailoring the Electrical Response of Polyvinylidene Fluoride Nanocomposites with Electrically Conductive and Dielectric Fillers

Rodrigues-Marinho,

Tubio,

Lanceros-Mendez

et al. 2023

Adv Eng Mater

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Polymer‐based composites combining the flexibility, low‐density and processability of the matrix with the tailored functional performance provided by the fillers are also particularly suitable for large area, flexible, and printable applications. In this work, polyvinylidene fluoride (PVDF) composites with conductive graphene nanoplatelets (G‐NPL) and high‐dielectric constant ceramics, including barium and strontium titanate (BT and SrT) have been developed to achieve electrically conductive and high‐dielectric response materials, respectively. Flexible composites reinforced with 45 wt.% ceramic content lead to a dielectric constant of ε´= 33 and 25 for BT and SrT, respectively, 6 and 4 times higher than for pristine PVDF. Further, the inclusion of G‐NPL allows for the development of highly conductive composites with a maximum conductivity of 5.5×10‐2 (Ω.m)‐1 for a 5 wt.% filler content, 10 orders of magnitude larger than PVDF. The G‐NPL and ceramic in optimized contents in PVDF tricomposites do not enhance the dielectric properties compared to PVDF‐ceramic composites. Theoretical analysis has been used to determine the critical percolation threshold of the PVDF/G‐NPL, which occurs at ϕc= 0.6 wt.% G‐NPL content with a critical exponent of t= 2.49, and to describe the dielectric properties of the composites, allowing to further tailor materials responses for specific application needs.This article is protected by copyright. All rights reserved.

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“…As one group of important photocatalysts, perovskite structure with general formula ABO 3 has been widely studied for several decades due to their excellent performance of photocatalysts and solar cells [1][2][3][4][5]. As a low cost, high chemical stability and non-toxic perovskite semiconductor materials, BaTiO 3 and SrTiO 3 exhibit enormous potential for solar energy harvesting, such as splitting water into H 2 and O 2 and organic pollutant degradation [6][7][8][9][10][11]. In particular, solar-driven hydrogen production from water have triggered much attention because of the robust and sustainable clean energy economy.…”

Section: Introductionmentioning

confidence: 99%

Electronic properties of barium titanate with metal dopants

Zhu²,

Wang³

2023

International Conference on Optoelectronic Materials and Devices (ICOMD 2022)

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Based on first-principles calculations, a novel photocatalyst, Ta-doped and (Ta, N)-codoped BaTiO3, was designed and studied to water splitting using under visible light irradiation to produce hydrogen and oxygen. We have systematically investigated the geometrical structure and electronic structure of BaTiO3 by introducing dopants (Ta and (Ta, N)-pair) for visible-light driven photocatalyst. Our calculated result shows that the doped Ta atom may change conductivity of the pure BaTiO3 from p-type to n-type, but is hard to lead to the narrowing of the band gap. The reduction of band gap can be achieved by codoping with Ta and N atoms, indicating that Ta and N atoms play an important role on enhanced absorption in the visible light region. We predicted that (Ta, N)-codoped BaTiO3 could be a potential candidate as photocatalyst in solar-energy harvesting with improved efficiency. Meanwhile, our research can provide a theoretical guidance for the perovskite photocatalyst.

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Recent developments in BaTiO3 based lead-free materials for energy storage applications

Cited by 76 publications

References 293 publications

The Impact of Gamma Radiation on the Structural, Optical, and Dielectric Properties of Polyacrylamide/Barium Titanate Nanocomposites

The Impact of Gamma Radiation on the Structural, Optical, and Dielectric Properties of Polyacrylamide/Barium Titanate Nanocomposites

Tailoring the Electrical Response of Polyvinylidene Fluoride Nanocomposites with Electrically Conductive and Dielectric Fillers

Electronic properties of barium titanate with metal dopants

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