Energy Scavenging for Wireless Sensor Networks: With Special Focus on Vibrations
Energy Scavenging for Wireless Sensor Networks: With Special Focus on Vibrations
Hardware design experiences in ZebraNet
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Design considerations for solar energy harvesting wireless embedded systems
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Perpetual environmentally powered sensor networks
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Everlast: long-life, supercapacitor-operated wireless sensor node
Proceedings of the 2006 international symposium on Low power electronics and design
Design and power management of energy harvesting embedded systems
Proceedings of the 2006 international symposium on Low power electronics and design
LUSTER: wireless sensor network for environmental research
Proceedings of the 5th international conference on Embedded networked sensor systems
PicoCube: a 1 cm3 sensor node powered by harvested energy
Proceedings of the 45th annual Design Automation Conference
Design of a solar-harvesting circuit for batteryless embedded systems
IEEE Transactions on Circuits and Systems Part I: Regular Papers
A study of low level vibrations as a power source for wireless sensor nodes
Computer Communications
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The realization of completely autonomous wireless sensor networks (WSN) has been hindered with difficulties in implementing a truly "perpetual" power supply. Typically, the generic power supply for a sensor node is a battery, which is limited in cycle life. Current research in energy scavenging technology, along with the use of innovative energy storage devices such as supercapacitors, has demonstrated the improvement of sensor node lifetime characteristics. In this paper, we present the experimental results on a novel electrochemical supercapacitor (with improved electrical characteristics) manufactured using a "direct write" deposition tool. This technology allows one to print the supercapacitors with capacitances above 40 mF/cm2 directly on board of a sensor node covering any unoccupied surface area. Experiments on the printed storage chrarging with (AC) and (DC) based ambient energy via a specially developed generic energy scavenging module (ESM), and 24-hours deployment with a typical sensor node have showed promise towards extending sensor node lifetime.