SELF-ADAPTIVE SWITCHED ULTRA-CAPACITORS: A NEW CONCEPT FOR EFFICIENT ENERGY HARVESTING AND STORAGE

This paper reports the design, implementation, and testing of an adaptive self-switched array of ultra- capacitors (UC). The purpose of this innovative system is to efficiently store harvested energy to power a wireless and battery-free Wireless Sensor Network (WSN). An optimized control allows improving the energy transfer from a voltage source as well as the energy utilization ratio, hence extending the energy autonomy of such systems.