期刊
ADVANCED ENERGY AND SUSTAINABILITY RESEARCH
卷 2, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/aesr.202000113
关键词
dual mode; intelligent transportation; IoTs; regenerative braking; triboelectric nanogenerators
资金
- National Natural Science Foundation of China [51922023, 61874011]
- Beijing Talents Foundation [2017000021223TD04]
- Tribology Science Fund of State Key Laboratory of Tribology [SKLTKF19B02]
- Open Research Foundation of State Key Laboratory of Digital Manufacturing Equipment Technology [DMETKF2020014]
- Guangxi Hundred Talent Program [T3010097923]
Regenerative braking system harnesses kinetic energy through a triboelectric nanogenerator, with a dual mode rotary TENG generating electricity while riding and braking, powering LEDs and charging a capacitor simultaneously.
Regenerative braking system is a promising technology for electrical vehicles, in which the excess kinetic energy can be effectively collected and utilized. As a new energy technology based on contact electrification, triboelectric nanogenerator (TENG) is suitable for harvesting dissipated kinetic energy in braking systems. Herein, a dual mode rotary TENG (DMR-TENG) is reported, which is installed on the bicycle disc brake for collecting kinetic energy in riding mode and braking mode. First, the electric generation mechanism of DMR-TENG is analyzed and then the characteristics in different structural and kinematic parameters by simulation and experiment are investigated. Furthermore, a linkage mechanism is designed for two modes switching by controlling the distance between two triboelectric layers of the DMR-TENG. The results illustrate that the DMR-TENG can simultaneously illuminate 156 serial LEDs as a warning signal while riding and braking. In addition, it can charge a 300 mu F capacitor and act as a power source to drive a speedometer, which can measure the bicycle speed in real time. Herein, a considerable prospect in vehicle kinetic energy collecting is demonstrated and may have potential application in intelligent transportation.
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