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NiNb 2 O 6 ‐BaTiO 3 Ceramics for Energy‐Storage Capacitors
Author(s) -
Zeng Mengshi,
Liu Jingsong,
Yu Hongtao,
Chao Mingming,
Tang Bin,
Zhang Shuren
Publication year - 2018
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201700461
Subject(s) - ceramic capacitor , dielectric , ceramic , materials science , capacitor , energy storage , perovskite (structure) , chemical engineering , dielectric loss , mineralogy , analytical chemistry (journal) , composite material , optoelectronics , thermodynamics , chemistry , electrical engineering , organic chemistry , power (physics) , physics , voltage , engineering
NiNb 2 O 6 ‐BaTiO 3 ceramics were prepared using a solid‐state reaction method, and the effects of the addition of NiNb 2 O 6 on the dielectric properties and energy‐storage characteristics of BaTiO 3 were investigated systematically. We used XRD to show that the obtained NiNb 2 O 6 ‐BaTiO 3 ceramics possess a single perovskite structure. The addition of NiNb 2 O 6 improves the energy density efficiency and leads to a decrease of the dielectric loss to less than 1 %. Moreover, optimum performances of the BaTiO 3 ceramics can be achieved by the addition of 1.0 mol % NiNb 2 O 6 , at which content the obtained ceramic satisfies the X7R specification. The addition of NiNb 2 O 6 stabilizes the crystalline lattice, which enhances the temperature stability of the dielectric properties accordingly.