Open Access

Piezoelectric-driven Charging Supercapacitors for Biomedical Sensor Applications

A. Bharathi Sankar Ammaiyappan, bharathisankar.1987@gmail.com
Department of EEE, Renewable Energy Conversion Lab, SSN College of Engineering, Chennai, India
Seyezhai Ramalingam, Department of EEE, Renewable Energy Conversion Lab, SSN College of Engineering, Chennai, India Mani Karthik Centre for Nanomaterials, International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Balapur, Hyderabad, India.


J. Environ. Nanotechnol., Volume 8, No 4 (2019) pp. 26-32

https://doi.org/10.13074/jent.2019.12.194388

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Abstract

Piezoelectric materials can be fabricated as a generator to convert mechanical energy emitted by ambient vibrations into electrical energy that may be stored and utilized to power some ultra-low-power devices such as radio frequency identification (RFID) tags. Since most of the ultra-low-power devices are wireless, it becomes essential to have their independent power supplies. In tradition, the power supplies come from bulky lead-acid and lithium batteries, which have environment-unfriendly chemical ingredients. Most importantly, the lead-acid and lithium batteries have a limited life of 500-1000 cycles compared to millions or more for most commercially available carbon-based supercapacitors. With the introduction of many portable electronic device and health monitor device using piezo-based energy harvesting has become one of the fascinating subjects of interest to provide portable electrical power.

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Reference


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