期刊
NANO RESEARCH
卷 10, 期 3, 页码 785-793出版社
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-016-1331-3
关键词
energy harvesting; nanocomposite; hybrid nanogenerator; piezoelectricity; triboelectricity
类别
资金
- Chinese thousands talents program for pioneer researcher
- National Natural Science Foundation of China [51572030]
- Beijing Natural Science Foundation [2162047]
- Chongqing Natural Science and Foundation [cstc2016jcyjA0621]
We fabricate a flexible hybrid nanogenerator (HNG), based on multilayered nanocomposite materials, which integrates a piezoelectric nanogenerator (PENG) and a triboelectric nanogenerator (TENG) into a single structure with only two electrodes. The HNG enables enhancement of the electrical output of the nanogenerators. An open-circuit voltage of 280 V and a short-circuit current of 25 mu A are achieved by a HNG of 2.5 cm x 2.5 cm in size, superior to the performance of previously reported HNGs. In addition, the energy-conversion process of the HNG relies on the working mechanism of both the PENG and TENG. The polarization direction and doping content of BTO are the two major factors that affect the electrical output. Biomechanical energy harvesting from walking motion or the bending of an arm is also demonstrated.
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