期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 17, 页码 14708-14715出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b01635
关键词
triboelectric nanogenerator; piezoelectric nanogenerator; pyroelectric nanogenerator; energy harvesting wearable device
资金
- National Key Research and Development of China [2016YFA0202704]
- Thousands Talents program for pioneer research and his innovation team in China
- National Natural Science Foundation of China [51561145021, 51432005, 51372069]
- International Cultivation of Henan Advanced Talents
- China Scholarship Council
Harvesting energy available from ambient environment is highly desirable for powering personal electronics and health applications. Due to natural process and human activities, steam can be produced by boilers, human perspiration, and the wind exists ubiquitously. In the outdoor environment, these two phenomena usually exist at the same place, which contain heat and mechanical energies simultaneously. However, previous studies have isolated them as separate sources of energy to harvest and hence failed to utilize them effectively. Herein, we present unique hybrid nanogenerators for individually/simultaneously harvesting thermal energy from water vapors and mechanical energy from intermittent wind blowing from the bottom side, which consist of a wind-driven triboelectric nanogenerator (TENG) and pyroelectric piezoelectric nanogenerators (PPENGs). The output power of the PPENG and the TENG can be up to about 184.32 mu W and 4.74 mW, respectively, indicating the TENG plays the dominant role. Our hybrid nanogenerators could provide different applications such as to power digital watch and enable self-powered sensing with wireless transmission. The device could also be further integrated into a face mask for potentially wearable applications. This work not only provides a promising approach for renewable energy harvesting but also enriches potential applications for self -powered systems and wireless sensors.
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