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Abstract:
一种具有优异能量收集温度稳定性的无铅高熵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(1‑x)[0.96(K0.48Na0.52)(Nb0.96Sb0.04)O3‑0.04(Bi0.5Na0.5)ZrO3]+x[0.70BiFeO3‑0.30BaTiO3+0.1mol%MnO2],其中x的数值为0,0.05和1,对应构型熵△S为0.93R,1.46R和1.22R,优选其中x数值为0.05的高熵材料体系。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能量收集器在宽温区稳定发电,对压电能量收集技术工业具有重大的推进作用。
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Patent Info :
Type: 发明申请
Patent No.: CN202410502564.9
Filing Date: 2024-04-25
Publication Date: 2024-07-30
Pub. No.: CN118405924A
Applicants: 北京工业大学
Legal Status: 实质审查
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