NaNbO3‐(Bi0.5Li0.5)TiO3 Lead‐Free Relaxor Ferroelectric Capacitors with Superior Energy‐Storage Performances via Multiple Synergistic Design

NaNbO3‐(Bi0.5Li0.5)TiO3 Lead‐Free Relaxor Ferroelectric Capacitors with Superior Energy‐Storage Performances via Multiple Synergistic Design

Relaxor ferroelectric (FE) ceramic capacitors have attracted increasing attention for their excellent energy‐storage performance. However, it is extremely difficult to achieve desirable comprehensive energy‐storage features required for industrial applications. In this work, very high recoverable en...

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Veröffentlicht in:Advanced energy materials 2021-07, Vol.11 (28), p.n/a
Hauptverfasser: Xie, Aiwen, Zuo, Ruzhong, Qiao, Zhenliang, Fu, Zhengqian, Hu, Tengfei, Fei, Linfeng
Format: Artikel
Sprache:eng
Schlagworte:
Antiferroelectricity
Capacitors
Ceramics
Dielectric properties
Electric fields
Electron diffraction
Energy storage
energy‐storage capacitors
Ferroelectric materials
Flux density
Industrial applications
lead‐free relaxor ferroelectrics
Mathematical analysis
Matrices (mathematics)
multiscale structure evolution
nanodomains
Orthorhombic phase
Polarization
Raman spectroscopy
Relaxors
Sodium compounds
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Zusammenfassung:Relaxor ferroelectric (FE) ceramic capacitors have attracted increasing attention for their excellent energy‐storage performance. However, it is extremely difficult to achieve desirable comprehensive energy‐storage features required for industrial applications. In this work, very high recoverable energy density Wrec ≈ 8.73 J cm–3, high efficiency η ≈ 80.1%, ultrafast discharge rate of
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.202101378