3 years ago

Unity Convoluted Design of Solid Li-Ion Battery and Triboelectric Nanogenerator for Self-Powered Wearable Electronics

Unity Convoluted Design of Solid Li-Ion Battery and Triboelectric Nanogenerator for Self-Powered Wearable Electronics
Xi Liu, Kun Zhao, Ya Yang, Zhong Lin Wang
Wearable electronics suffer from severe power shortage due to limited working time of Li-ion batteries, and there is a desperate need to build a hybrid device including energy scavenging and storing units. However, previous attempts to integrate the two units are mainly based on simple external connections and assembly, so that maintaining small volume and low manufacturing cost becomes increasingly challenging. Here a convoluted power device is presented by hybridizing internally a solid Li-ion battery (SLB) and a triboelectric nanogenerator (TENG), so that the two units are one inseparable entity. The fabricated device acts as a TENG that can deliver a peak output power of 7.4 mW under a loading resistance of 7 MΩ, while the device also acts as an SLB to store the obtained electric energy. The device can be mounted on a human shoe to sustainably operate a green light-emitting diode, thus demonstrating potential for self-powered wearable electronics. A convoluted power device made by internally hybridizing a solid Li-ion battery and a triboelectric nanogenerator, so that the two units are one inseparable entity, is reported. The device can be mounted on a human shoe to operate a green light-emitting diode, demonstrating potential for self-powered wearable electronics.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/aenm.201701629

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