Electric-Field-Resonance-Based Wireless Triboelectric Nanogenerators and Sensors
Source abstract
Abstract
Energy harvesting and energy transmission are the key technologies for self-powered systems; thus, the combination of these two is urgently needed. An innovative electric field resonance (EFR)-based wireless triboelectric nanogenerator (TENG) is proposed herein. By integrating the TENG with a capacitive coupler, the output of the TENG can be transmitted wirelessly from the transmitter to the receiver in the form of an oscillating signal with an energy-transfer efficiency of 67.8% for a 5 cm distance. Theoretical models of the EFR-TENG system are established, showing excellent agreement with the experimental results. It is demonstrated that the flexible EFR-TENG worn on the wrist can drive a digital watch wirelessly or light up at least 40 light-emitting diodes in series. The EFR-TENG is further utilized for spontaneous wireless sensing with a transmission distance up to 2.3 m with high system tolerance, showing the great potential of this novel strategy for energy harvesting and real-time wireless sensing applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Energy Harvesting in Wireless Networks · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
International Joint Innovation Center, Zhejiang University, Haining 314400, China
Shanghai Precision Metrology & Test Research Institute, Shanghai 201109, China
Ministry of Education Key Laboratory of RF Circuits and Systems, College of Electronics & Information, Hangzhou Dianzi University, Hangzhou 310018, China
Electrical Engineering Division, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0FA, U.K.
Funding
the Key Research and Development Project of Zhejiang
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