Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 11, Pages 6025-6029Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b00019
Keywords
energy conversion; triboelectric effect; relative permittivity; electrostatic induction
Funding
- thousands talents program for pioneer researcher and his innovation team, China
- Beijing City Committee of science and technology [Z131100006013004]
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Triboelectric nanogenerator (TENG) is a newly emerged technology for harvesting mechanical energy, which has the promise for various practical applications. Here, we introduce a new principle of TENG in which induced current is generated between two coplanar electrodes because of different dielectric fillers of distinct permittivities. The manipulation of permittivity of dielectric materials for TENG is first reported, demonstrating a novel route in designing high-performance TENGs. When repeatedly contacting with an Object, a TENG having lateral dimensions of 21 mm x 10 mm can produce an open-circuit voltage of 58.5 V and a short-circuit current of 44.7 mu A. The instantaneous output power density can reach up to 708 mu W. Besides, the new design incorporates all electrodes into a single plane, greatly simplifying the structure, promoting robustness, and providing a viable solution for device miniaturization.
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