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Linchao Chen1, Lin Zhang1,2, Shipeng Wang1
1School of Construction Machinery, Shandong Jiaotong University, Jinan 250357, China.
Iscience
|June 22, 2026
Summary
This study introduces a high-performance flexible-contact triboelectric nanogenerator (TENG) that balances output and durability. Optimized FC-TENGs demonstrate significant power generation, suitable for railway monitoring.
Area of Science:
- Materials Science
- Energy Harvesting
- Nanotechnology
Background:
- Triboelectric nanogenerators (TENGs) are crucial for energy harvesting.
- Improving TENG output performance and durability remains a key challenge.
Purpose of the Study:
- To develop a high-performance flexible-contact TENG (FC-TENG).
- To optimize FC-TENG structural parameters and investigate parallel connection output.
- To ensure TENG durability for practical applications like railway monitoring.
Main Methods:
- Nodal analysis method for power-generation unit performance analysis.
- Simulation for validation of the power-generation unit.
- Experimental validation and optimization of FC-TENG structural parameters.
Main Results:
- Optimized FC-TENG achieved 2,284 V open-circuit voltage, 45.16 μA short-circuit current, 798.38 nC transferred charge, and 10.68 mW output power at 300 rpm.
- Demonstrated excellent durability with only 7% degradation after 3.45 million operating cycles.
Conclusions:
- The FC-TENG offers a significant advancement in TENG technology.
- Achieved a balance between high output performance and long-term durability.
- Presents a viable solution for railway line monitoring and other energy harvesting applications.
