Abstract
This paper presents a triboelectric generator using mesoporous (PDMS) polydimethylsiloxane and gold layer which was demonstrated in energy harvesting applications. The performance of power generation by the means of triboelectric principle at a small dimension, namely triboelectric generator is characterized. In this paper, triboelectric generator device adapted vertical contact-separation operation mode, whereby the device derives power generation based on contact electrification caused by cyclic tapping motion. Being primarily a two-layer structure, this device comprises a top layer of aluminum (Al) electrode coated with mesoporous polydimethylsiloxane (PDMS) film and another bottom layer of Al electrode coated with gold (Au) deposit. The characterization of this device is done by varying frequencies and cyclic compression force applied to triboelectric generator. The optimal performance of the 2 cm x 2 cm triboelectric generator contact surface area generated an open-circuit voltage of 4.4 V and a current of 0.1 µA at 5 Hz frequency. This research and device can be improved by magnifying the effective surface area of triboelectric generator to generate significant power for small base area.
Highlights
Triboelectric generator (TEG) is one of renewable energy latest technology for the depleting energy source such as coal, petroleum and natural gas
This paper presents a triboelectric generator using mesoporous (PDMS) polydimethylsiloxane and gold layer which was demonstrated in energy harvesting applications
Being primarily a two-layer structure, this device comprises a top layer of aluminum (Al) electrode coated with mesoporous polydimethylsiloxane (PDMS) film and another bottom layer of Al electrode coated with gold (Au) deposit
Summary
Triboelectric generator (TEG) is one of renewable energy latest technology for the depleting energy source such as coal, petroleum and natural gas. Due to high demand from rising population, renewable energy is a must to attain optimum accommodation. Wind, hydroelectric and solar has been implemented it was recently found that energy can be derived from a small activity scale and yet will produce a large quantity in its occurrence. Various generators from five main energy harvesting technique appear such as electromagnetic, piezoelectric, pyroelectric, thermoelectric, and triboelectric. These generators carry specific attribute that can be used in their individual prerequisite applications. In electromagnetic energy harvesting technique, electromagnetic induction generator (EMIG) is derived from a phenomenon which occurred when electrodynamic potential is induced across conductor rod when it moves across magnetic induction lines [1], given in (1):
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