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Excellent comprehensive energy storage properties of novel lead-free NaNbO3-based ceramics for dielectric capacitor applications
Ye, Jiaming; Wang, Genshui; Zhou, Mingxing; Liu, Ningtao; Chen, Xuefeng; Li, Song; Cao, Fei; Dong, Xianlin
2019-05-21
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
Volume7Issue:19Pages:5639
SubtypeArticle
AbstractNaNbO3 (NN) is generally considered as one of the most promising lead-free antiferroelectric (AFE) perovskite materials with the advantages of low cost, low density and nontoxicity. However, the metastable ferroelectric phase causes a large remanent polarization (P-r) at room temperature, seriously hindering the achievement of excellent energy storage properties. Although via the strategy of lowering the radius of B-site ions and polarizability, a number of AFE NaNbO3-based solid solutions with double polarization-electric field loops are successfully constructed, the hysteresis losses are still too large and the P-r value cannot be reduced to near zero. In this study, Bi(Mg2/3Nb1/3)NbO3 (BMN) was chosen to partially substitute the pure NaNbO3 with the intention of enhancing antiferroelectricity and constructing a local random field simultaneously. These short-range interactions effectively suppress the hysteresis loss and P-r, and slim hysteresis loops were observed in the NN-BMN ceramics. A high charged energy density (3.4 J cm(-3)) and recoverable energy storage density (2.8 J cm(-3)) with high efficiency (82%) were achieved under 300 kV cm(-1) for NN-0.10BMN. Superior stabilities and underdamped discharge abilities were also achieved for NN-0.15BMN with a slightly smaller recoverable energy storage density (2.4 J cm(-3)) but even higher efficiency (90%). The results reported here demonstrate great potential of the designed NN-BMN ceramics for high-temperature capacitors.
DOI10.1039/c9tc01414d
Language英语
WOS Research AreaMaterials Science ; Physics
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27108
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Ye, Jiaming,Wang, Genshui,Zhou, Mingxing,et al. Excellent comprehensive energy storage properties of novel lead-free NaNbO3-based ceramics for dielectric capacitor applications[J]. JOURNAL OF MATERIALS CHEMISTRY C,2019,7(19):5639.
APA Ye, Jiaming.,Wang, Genshui.,Zhou, Mingxing.,Liu, Ningtao.,Chen, Xuefeng.,...&Dong, Xianlin.(2019).Excellent comprehensive energy storage properties of novel lead-free NaNbO3-based ceramics for dielectric capacitor applications.JOURNAL OF MATERIALS CHEMISTRY C,7(19),5639.
MLA Ye, Jiaming,et al."Excellent comprehensive energy storage properties of novel lead-free NaNbO3-based ceramics for dielectric capacitor applications".JOURNAL OF MATERIALS CHEMISTRY C 7.19(2019):5639.
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