Enhanced Energy Storage Properties of Four-Layer Composite Films via Strategic Macrointerface Modulation DOI

Zhang Yongjing,

Ying Lin,

Yanlong Ma

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(44), P. 60967 - 60976

Published: Oct. 22, 2024

Dielectric capacitors play a crucial role in the field of energy storage; however, low discharged density (Ue) existing commercial dielectrics limits their future applications. Currently, further improvement Ue is constrained by challenge simultaneously achieving high permittivity (εr) and breakdown electric strength (Eb). To address this issue, we designed series four-layer poly(vinylidene fluoride) (PVDF)-based composite films comprising three functional layers: sodium bismuth titanate (NBT) plus PVDF (NBT&PVDF) layer to achieve εr values pure boron nitride (BN) (BN&PVDF) Eb values. This design synergistically enhanced exploiting low-loss macrointerface polarization via adjustment stacking order, as supported simulation analyses. Ultimately, film with topmost PVDF, followed an NBT&PVDF layer, another BN&PVDF achieved value 26.42 J·cm–3 excellent efficiency 80.03% at ultrahigh 770 MV·m–1. approach offers innovative pathway for developing advanced storage manipulation.

Language: Английский

Ultrahigh Energy Storage Capability in Polyetherimide‐Based Polymer Dielectrics Through Trapping Free Radicals Strategy DOI Open Access

Huilei Jiang,

Dongdong Zheng,

Huijian Ye

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Abstract Polymer film capacitors are widely utilized in electronics and power suppliers because of high density fast charge–discharge speed. Flexible polymer that tolerates the extremes working temperature electric field is essential for advanced energy storage systems. Here, hyperbranched polyethylene copolymer inoculated with N –hydroxyethyl maleimide (HBPE@HEPD) has been synthesized to modify boron nitride nanosheets (HEPD‐BNNSs) via non‐covalent interaction during liquid‐phase exfoliation. The conjugated double bond serves as trapping effect through addition reaction free radicals HEPD‐BNNSs/polyetherimide (PEI) nanocomposite delays formation electrical treeing at initial stage breakdown. resultant HEPD‐BNNSs/PEI illustrates a superior capability, e.g. discharged 12.9 J cm −3 efficiency >90% 500 MV m −1 room obtained 0.5 wt.% nanocomposite, 5.8 under 100 °C 90.2% 350 achieved current film. prepared also eminent fatigue resistance 200 operation over 10 5 cycles. This strategy breakdown reveals fresh prospect dielectrics capacitor.

Language: Английский

Citations

2
Decoupling enhancements of breakdown strength and dielectric constant in PMIA-based composite films for high-temperature capacitive energy storage DOI
Wenqi Zhang, Xin Xu, Sidi Fan

et al.

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 112013 - 112013

Published: Nov. 1, 2024

Language: Английский

Citations

5
A low-temperature-sintering Bi12SiO20 ceramics with ultrahigh energy efficiency and breakdown strength of ∼1.05MV/cm DOI

Jiwei Du,

Qin Feng,

Ronghao Jia

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: 1012, P. 178528 - 178528

Published: Jan. 1, 2025

Language: Английский

Citations

0
Significantly improved energy storage characteristics of Bi0.5Na0.5TiO3-BaTiO3-based lead-free relaxation ferroelectric ceramics DOI

Minghui Sun,

Li Wang, Ruiling Jia

et al.

Journal of Materials Science Materials in Electronics, Journal Year: 2025, Volume and Issue: 36(6)

Published: Feb. 1, 2025

Language: Английский

Citations

0
Enhancement of High‐Temperature Energy Storage in PEI Dielectrics Through Dual‐Function Scattering/Trap Layers DOI Open Access

Zhaotong Meng,

Zhiqiang Wang, Tiandong Zhang

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Abstract Dielectric capacitors are essential for the effective and dependable performance of new energy electronic circuits. However, storage dielectric materials still face significant challenges, including low density poor thermal stability. In this study, polyetherimide (PEI), a high‐temperature‐resistant material, is selected as subject investigation. A bifunctional three‐layer structure designed to effectively regulate charge carriers. The consists scattering electron layer (4‐NB/PEI) containing 4‐(dimethylamino)phenylboronic acid (4‐NB) trapping (F 4 TCNQ/PEI) 2,3,5,6‐tetrafluoro‐7,7,8,8‐tetracyanoquinodimethane TCNQ). surface inhibits injection, while intermediate suppresses high‐energy transport, leading carrier regulation. results demonstrate that PEI composite achieves optimal when 2 µm 4‐NB/PEI used layer, with F TCNQ/PEI serving layer. Under these conditions, reaches 6.14 J cm − 3 at 150 °C, an efficiency 93.26%. Furthermore, polarization electric field strength 6.90% higher than homogeneous 4‐NB doping. This improvement due combined effects which blocks transport. Additionally, strong interfacial interactions between layers resist impact.

Language: Английский

Citations

0
Improvement of energy storage properties of Bi0.5 Na0.5TiO3 ceramics by doping La0.9Bi0.1Ni0.67Ta0.33O3 DOI
Yuanyuan Zheng, Zhonghua Dai, Chenxi Liu

et al.

Ceramics International, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

Citations

0
Constructing dual interfacial gold nanodot interlayers in sandwich-structured BaTiO3/P(VDF-HFP) composites for high energy storage density DOI
Peng Yin, Xiaohan Bie,

Qingyang Tang

et al.

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Dual interfacial gold nanodot interlayers are introduced into a BT/P(VDF-HFP) trilayer composite to achieve significantly improved discharge energy density of 14.78 J cm −3 , which is approximately 176.4% that the BT-3L (∼8.38 ).

Language: Английский

Citations

0
Covalently engineering novel sandwich-like rGO@POSS nanofillers for high-performance dielectric energy storage of PVDF film capacitor DOI
Hui Liu, Mingming Ding,

Xuecheng Chen

et al.

Composites Science and Technology, Journal Year: 2024, Volume and Issue: unknown, P. 110938 - 110938

Published: Oct. 1, 2024

Language: Английский

Citations

1
Nanomaterials for biomedical applications DOI

Bhavana Raj,

Kaladhar Kamalasanan

Elsevier eBooks, Journal Year: 2024, Volume and Issue: unknown, P. 107 - 139

Published: Oct. 1, 2024

Language: Английский

Citations

0
Enhanced Energy Storage Properties of Four-Layer Composite Films via Strategic Macrointerface Modulation DOI

Zhang Yongjing,

Ying Lin,

Yanlong Ma

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(44), P. 60967 - 60976

Published: Oct. 22, 2024

Dielectric capacitors play a crucial role in the field of energy storage; however, low discharged density (Ue) existing commercial dielectrics limits their future applications. Currently, further improvement Ue is constrained by challenge simultaneously achieving high permittivity (εr) and breakdown electric strength (Eb). To address this issue, we designed series four-layer poly(vinylidene fluoride) (PVDF)-based composite films comprising three functional layers: sodium bismuth titanate (NBT) plus PVDF (NBT&PVDF) layer to achieve εr values pure boron nitride (BN) (BN&PVDF) Eb values. This design synergistically enhanced exploiting low-loss macrointerface polarization via adjustment stacking order, as supported simulation analyses. Ultimately, film with topmost PVDF, followed an NBT&PVDF layer, another BN&PVDF achieved value 26.42 J·cm–3 excellent efficiency 80.03% at ultrahigh 770 MV·m–1. approach offers innovative pathway for developing advanced storage manipulation.

Language: Английский

Citations

0