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Lead-free piezoelectric ceramic material applied to high-temperature energy collection at 250 DEG C and preparation of lead-free piezoelectric ceramic material
The invention discloses a lead-free piezoelectric ceramic material capable of being applied to 250 DEG C high-temperature energy collection and preparation, and belongs to the field of piezoelectric ceramic materials. The chemical composition of a matrix of the ceramic material is Bi < 1.02 > FeO < 3 >-BaTiO < 3-x > mol% MnO < 2 >, the numerical value of x is 0.0-0.5, and preferably, the numerical value of x is 0.2. The raw materials are mixed according to the corresponding metering ratio, and a sample is prepared through the steps of wet grinding, drying, granulation, compression molding and sintering. According to the invention, the lead-free piezoelectric ceramic has excellent power generation characteristic at the high temperature of 250 DEG C, and plays a significant role in promoting the piezoelectric energy collection technology industry.
一种能够应用于250℃的高温能量收集的无铅压电陶瓷材料及制备，属于压电陶瓷材料领域。该陶瓷材料的基体化学组成为Bi1.02FeO3‑BaTiO3‑x mol％MnO2,其中x的数值为0.0～0.5，优选其中x数值为0.2的材料体系。按相应计量比配料，采用湿磨、烘干、造粒、压制成型、烧结步骤制备样品。本发明实现了无铅压电陶瓷在250℃的高温下具有优异的发电特性，对压电能量收集技术工业具有重大的推进作用。
Lead-free piezoelectric ceramic material applied to high-temperature energy collection at 250 DEG C and preparation of lead-free piezoelectric ceramic material
The invention discloses a lead-free piezoelectric ceramic material capable of being applied to 250 DEG C high-temperature energy collection and preparation, and belongs to the field of piezoelectric ceramic materials. The chemical composition of a matrix of the ceramic material is Bi < 1.02 > FeO < 3 >-BaTiO < 3-x > mol% MnO < 2 >, the numerical value of x is 0.0-0.5, and preferably, the numerical value of x is 0.2. The raw materials are mixed according to the corresponding metering ratio, and a sample is prepared through the steps of wet grinding, drying, granulation, compression molding and sintering. According to the invention, the lead-free piezoelectric ceramic has excellent power generation characteristic at the high temperature of 250 DEG C, and plays a significant role in promoting the piezoelectric energy collection technology industry.
一种能够应用于250℃的高温能量收集的无铅压电陶瓷材料及制备，属于压电陶瓷材料领域。该陶瓷材料的基体化学组成为Bi1.02FeO3‑BaTiO3‑x mol％MnO2,其中x的数值为0.0～0.5，优选其中x数值为0.2的材料体系。按相应计量比配料，采用湿磨、烘干、造粒、压制成型、烧结步骤制备样品。本发明实现了无铅压电陶瓷在250℃的高温下具有优异的发电特性，对压电能量收集技术工业具有重大的推进作用。
Lead-free piezoelectric ceramic material applied to high-temperature energy collection at 250 DEG C and preparation of lead-free piezoelectric ceramic material
一种应用于250℃的高温能量收集无铅压电陶瓷材料及制备
HOU YUDONG (Autor:in) / GUO JIANZHE (Autor:in) / XI KAIBIAO (Autor:in) / ZHU MANKANG (Autor:in) / ZHENG MUPENG (Autor:in)
12.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2023