Double-folding paper-based generator for mechanical energy harvesting
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Paper-based generators are essential elements for building all paper-based systems. To obtain robust paper-based generators with outstanding high power outputs, this paper introduced a new type of double-folding paper-based generator by folding two paper components together. The output performance levels of the double-folding generator were twice higher than that of the single-folding and parallel-plate generators. A peak power of ~3.24 mW was achieved under a stimulating frequency of 3 Hz. Furthermore, 47 light-emitting diodes (LEDs) were lit directly by a double-folding paper-based generator assembled to the crack of a door that opens and closes. This finding indicated the potential applications of the double-folding generator in the production of door ornaments or for security in places where doors frequently open and close.
Keywordspaper-based generator double-folding electret electrostatic induction
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This work was financially supported by a fund for professor cultivation project of Nanning University (No. 2014JSGC01). The author would like to thank facility support of the Center for Nanoscale Characterization and Devices (CNCD), WNLO-HUST and the Analysis and Testing Center of Huazhong University of Science and Technology.
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