Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 50, Pages 43716-43723Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b14618
Keywords
Ag nanoparticles; triboelectric nanogenerator; wind energy; self-charging; energy cells
Funding
- National Key R & D Program of China [2016YFA0202701]
- National Natural Science Foundation of China [51472055, 61404034]
- BIC, Chinese Academy of Sciences [121411KYS820150028]
- Qingdao National Laboratory for Marine Science and Technology [2015ASKJ01]
- Annual Beijing Talents Fund [2015000021223ZK32]
- thousands talents program for the pioneer researcher and his innovation team, China
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Li-ion batteries are a green energy storage technology with advantages of high energy density, long lifetime, and sustainability, but they cannot generate electric energy by themselves. As a novel energy-harvesting technology, triboelectric nanogenerators (TENGs) are a promising power source for supplying electronic devices, however it is difficult to directly use their high output voltage and low output current. Here, we designed a Ag nanoparticle-based TENG for scavenging wind energy. After including a transformer and a power management circuit into the system, constant output voltages such as 3.6 V and a pulsed current of about 100 mA can be obtained, which can be used to directly light up a light-emitting diode. Furthermore, the produced electric energy can be effectively stored in a WO3/LiMn2O4 electrode based Li-ion battery. Our present work provides a new approach to effectively scavenge wind energy and store the obtained electric energy, which is significant for exploring self-charging power units.
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