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Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance
Yang, HJ; Lu, ZL; Li, LH; Bao, WC; Ji, HF; Li, JL; Feteira, A; Xu, FF; Zhang, Y; Sun, HJ; Huang, ZC; Lou, WC; Song, KX; Sun, SK; Wang, G; Wang, DW; Reaney, IM
2020-09-30
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Issue39Pages:43942
SubtypeArticle
AbstractCeramic dielectrics are reported with superior energy storage performance for applications, such as power electronics in electrical vehicles. A recoverable energy density (W-rec) of similar to 4.55 J cm(-3) with eta similar to 90% is achieved in lead-free relaxor BaTiO3-0.06B(i2/3)(Mg1/3Nb2/3)O-3 ceramics at similar to 520 kV cm(-1). These ceramics may be co-fired with Ag/Pd, which constitutes a major step forward toward their potential use in the fabrication of commercial multilayer ceramic capacitors. Compared to stoichiometric Bi(Mg2/3Nb1/3)O-3-doped BaTiO3 (BT), A-site deficient Bi-2/3(Mg1/3Nb2/3)O-3 reduces the electrical heterogeneity of BT. Bulk conductivity differs from the grain boundary only by 1 order of magnitude which, coupled with a smaller volume fraction of conducting cores due to enhanced diffusion of the dopant via A-site vacancies in the A-site sublattice, results in higher breakdown strength under an electric field. This strategy can be employed to develop new dielectrics with improved energy storage performance.
DOI10.1021/acsami.0c13057
WOS KeywordMULTILAYER CERAMIC CAPACITORS ; ALUMINUM-ION BATTERY ; BATIO3-BI(MG2/3NB1/3)O-3 CERAMICS ; FERROELECTRIC CERAMICS ; SINTERING TEMPERATURE ; BARIUM-TITANATE ; DENSITY ; EFFICIENCY
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27731
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Yang, HJ,Lu, ZL,Li, LH,et al. Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance[J]. ACS APPLIED MATERIALS & INTERFACES,2020(39):43942.
APA Yang, HJ.,Lu, ZL.,Li, LH.,Bao, WC.,Ji, HF.,...&Reaney, IM.(2020).Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance.ACS APPLIED MATERIALS & INTERFACES(39),43942.
MLA Yang, HJ,et al."Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance".ACS APPLIED MATERIALS & INTERFACES .39(2020):43942.
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