优化无能源采集压陶器的输出功率密度,采用积增加的多态相转换结构
Kaibiao Xi1, Yudong Hou1, Xiaole Yu1
1Key Laboratory of Advanced Functional Materials, Education Ministry of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China.
ACS applied materials & interfaces
|October 25, 2023
概括
开发无压电能收获器 (PEH) 是至关重要的. 增加的策略显著提高了基于KNN的压陶.
科学领域:
- 材料科学 材料科学 材料科学
- 收集能源 收集能源
- 纳米技术纳米技术
背景情况:
- 由于能源需求和环境问题,迫切需要无压电能收获机 (PEH).
- 目前无PEH的低输出功率密度阻碍了其广泛应用.
研究的目的:
- 开发一种具有增强输出功率密度的无压电能收获材料.
- 为了研究增加策略对压电性能的影响.
主要方法:
- 为无酸尼奥巴特 (KNN) 基陶提出了增加的策略.
- 系统地研究了能源采集性能随着配置的增加而演变的演变.
主要成果:
- 在基于KNN的压陶中实现了显著增加的819μW/cm3的输出功率密度.
- 与低同行相比,其功率密度几乎是低的两倍.
- 观察到增强的格子扭曲,灵活的极化和高密度的纳米领域,归因于效应.
结论:
- 增加的策略是提高KNN基陶的压电性能的一个有效方法.
- 在KNN陶中,高配置导致优越的能量收获特性,抗振动疲劳性和跨温度稳定的性能.
- 这种方法促进了先进的无压电能收获器的开发.
相关概念视频
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