Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 773, Issue -, Pages 244-249Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.09.252
Keywords
Energy storage; Lead-free ceramics; Layered structure; Capacitors
Categories
Funding
- National Natural Science Foundation of China [51572159]
- Science Fund for Distinguished Young Scholars of Shaanxi Province [2018JC-029]
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In recent years, ceramic capacitors have attracted much attention due to their high energy storage properties and fast charge-discharge capability. The (SrTiO3+0.5 wt%Li2CO3)/(0.93Bi(0.5)Na(0.5) TiO(3)0.07Ba(0.94)La(0.04)Zr(0.02)Ti(0.98)O(3)) (STL/(BNT-BLZT)) lead-free ceramic with layered structure was designed and fabricated via the tape-casting and subsequently laminating technique, and sintered by the conventional solid state sintering method in this study. The results reveal that the STL/(BNT-BLZT) multilayer ceramic sintered at 1175 degrees C with an excellent charge energy density of 3.67 J/cm(3) and discharge energy density of 2.72 J/cm(3) under 294 kV/cm. In addition, the energy storage properties of STL/(BNT-BLZT) multilayer ceramic also displays good thermal stability from 25 to 100 degrees C at the electric field of 100 kV/cm. These results indicate that the STL/(BNT-BLZT) multilayer ceramic may be a promising lead-free material for high energy storage applications. (C) 2018 Elsevier B.V. All rights reversed.
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