Piezoelctric d33 mode diaphragm energy harvester for self-powered sensor application

• Main Authors: Liu, Haobing, Shen, Zhiyuan, Liu, Shuwei, Prakash, Kottapalli Ajay Giri, Miao, Jianmin, Woh, Lye Sun
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2013
• Subjects: DRNTU::Engineering::Mechanical engineering
• Online Access: https://hdl.handle.net/10356/99053; http://hdl.handle.net/10220/12804
• Institution: Nanyang Technological University

This work presents the design, fabrication, and characterization of an energy harvester using a piezoelectric freestanding bulk diaphragm as the sensing element. The diaphragm containing the spiral electrode operates in d33 mode, which is different from the commonly used d31 mode diaphragm. The pola...