| 학회 |
한국재료학회 |
| 학술대회 |
2021년 가을 (11/24 ~ 11/26, 경주 라한호텔) |
| 권호 |
27권 2호 |
| 발표분야 |
B. 나노화학/바이오 재료 분과 |
| 제목 |
3D Printable Flexible Piezoelectric Nanogenerators Based on Microstructured Composites. |
| 초록 |
Piezoelectric materials that converts mechanical and vibrational energy into electrical energy are drawing attention as a self-powered source to operate flexible electronic system such as energy harvesters and healthcare devices. To date, many piezoelectric materials have been synthesized and exploited to fabricate piezoelectric nanogenerators (PNGs) by designing various structures. Microstructured composite-based nanogenerators incorporating piezoelectric nanoparticles into soft polymer matrices offer unique advantages over other approaches because the fabrication process is simple and scalable, using low-cost materials. In this study, we present the 3D printed flexible PNGs based on a composites with microstructures arrays. By optimization of rheological properties of ceramic-polymer composite paste, we successfully prepared microstructured arrays with various diameters, heights, and shapes. Under periodically mechanical deformations, we optimized the output performance of flexible piezoelectric nanogenerator as a function of poling voltage, strain rate, and strain speed. Our proposed approach is a remarkable improvement in microstructure-based nanogenrators research for self-powered flexible energy source to realize the wearable electronics and sensors. |
| 저자 |
Young Dae Kim, Eun Jung Lee, Sungmook Jung, Taesu Kim, Youngmin Choi, Su Yeon Lee
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| 소속 |
Korea Research Institute of Chemical Technology (KRICT) |
| 키워드 |
Piezoelectric energy harvesting; Microstructure; Composite materials; 3D printing
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| E-Mail |
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