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Sodium-bismuth-titanate-based unleaded ceramic with negative electrocaloric effect and preparing method of sodium-bismuth-titanate-based unleaded ceramic
The invention relates to a sodium-bismuth-titanate-based unleaded ceramic with the negative electrocaloric effect and a preparing method of the sodium-bismuth-titanate-based unleaded ceramic. The chemical composition of the ceramic is (1-x)(Na0.5Bi0.5)TiO3-xSrTiO3, wherein x is larger than or equal to 0 but smaller than or equal to 0.10. The ceramic is prepared through combination of a sol-gel method and a microwave sintering method, lead is not contained in the ceramic material, the ceramic has the advantages of being environmentally friendly and nuisanceless, meanwhile, the ceramic material has the high negative refrigerating performance and also has the low dielectric loss energy, the negative electrocaloric effect near the room temperature can reach up to 0-minus 7 DEG C, and the ceramic can be widely applied to development of environment-friendly micro-refrigerators high in refrigerating efficiency and energy conversion efficiency.
Sodium-bismuth-titanate-based unleaded ceramic with negative electrocaloric effect and preparing method of sodium-bismuth-titanate-based unleaded ceramic
The invention relates to a sodium-bismuth-titanate-based unleaded ceramic with the negative electrocaloric effect and a preparing method of the sodium-bismuth-titanate-based unleaded ceramic. The chemical composition of the ceramic is (1-x)(Na0.5Bi0.5)TiO3-xSrTiO3, wherein x is larger than or equal to 0 but smaller than or equal to 0.10. The ceramic is prepared through combination of a sol-gel method and a microwave sintering method, lead is not contained in the ceramic material, the ceramic has the advantages of being environmentally friendly and nuisanceless, meanwhile, the ceramic material has the high negative refrigerating performance and also has the low dielectric loss energy, the negative electrocaloric effect near the room temperature can reach up to 0-minus 7 DEG C, and the ceramic can be widely applied to development of environment-friendly micro-refrigerators high in refrigerating efficiency and energy conversion efficiency.
Sodium-bismuth-titanate-based unleaded ceramic with negative electrocaloric effect and preparing method of sodium-bismuth-titanate-based unleaded ceramic
HAO XIHONG (Autor:in) / XU ZISHENG (Autor:in) / LI XIAOWEI (Autor:in) / ZHANG QIWEI (Autor:in) / YANG JICHUN (Autor:in) / AN SHENGLI (Autor:in)
21.10.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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