Abstract: In order to prepare high performance dielectric ceramics which can be used in the field of pulse power capacitors, a compact and uniform NBT-ST based lead-free relaxor ferroelectric ceramics were prepared by the traditional solid-state reaction method. The energy storage density of NBT-ST-1Ce ceramic sample at room temperature was 1.07 J/cm3, and the energy storage efficiency was more than 80%. In addition, the ene-rgy storage efficiency of the ceramics showed a very good temperature stability which was around 95% in the temperature range of 25—150 ℃. Therefore, this kind of dielectric material has exhibited a very good potential in the field of pulse power capacitors applications.
卫芳彬, 张雷阳, 王颖, 李洋, 刘岗. 二氧化铈掺杂钛酸铋钠基陶瓷的高储能密度及温度稳定性[J]. 材料导报, 2019, 33(16): 2648-2653.
WEI Fangbin, ZHANG Leiyang, WANG Ying, LI Yang, LIU Gang. High Energy Storage Density and Temperature Stability of CeO2 Doped Bismuth Sodium Titanate-based Ceramics. Materials Reports, 2019, 33(16): 2648-2653.
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