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Internet of Things (IoT)

Smart Cities
Self-powered Multifunctional Weather Station

Self-Powered Weather Station

Bio-inspired technologies have remarkable potential for energy harvesting from clean and sustainable energy sources. Inspired by the hummingbird-wing structure, we propose a shape-adaptive, lightweight triboelectric nanogenerator (TENG) designed to exploit the unique flutter mechanics of the hummingbird for small-scale wind energy harvesting. The flutter is confined between two surfaces for contact electrification upon oscillation. With a six TENG network, the hybrid design attained a 1.5 W m-2 peak electrical output at 7.5 m/s wind speed. We demonstrate the ability of the H-TENG networks to operate Internet of Things (IoT) devices from sustainable and renewable energy sources.


Findings about the device are published in the journal of Nature Scientific Reports 

Technology Readiness Level (TRL) is 3

So far, a proof of concept of a sensor has been demonstrated and in terms of technology readiness level (TRL) this technology is at level 3. In contrast, future work could include more development of the device performance and integrability through extensively studying of the Fluid-Solid interactions and optimizing the device structure to more aerodynamic. Moreover, incorporation the device with a bid data platform and artificial intelligence algorisms, so sensory information can be identified, organized, interpreted, which enables fully autonomous and real-time continuous weather monitoring toward internet of things (IoT) and smart cities. Typically, this would be done as part of an R&D project with a company that is necessarily interested in commercializing this technology. 


This project will take 3 years and about 300K$ in resources. The facilities to accomplish that are available.

Wireless Temperature Sensor Node

Self-Powered Temperature Sensing Node​

This work presents a fully enclosed duck-shape triboelectric nanogenerator (TENG) for effectively scavenging energy from random and low frequency water waves. The design of the TENG incorporates the freestanding rolling mode and the pitch motion of a duck-shape structure generated by incident waves. In addition, the hybrid system is experimentally tested to enable a commercial wireless temperature sensor node. In summary, the unique duck-shape TENG shows a simple, cost-effective, environmentally friendly, light-weight, and highly stable system.  


Findings about the device are published in the journal of Advanced Energy Materials   

Technology Readiness Level (TRL) is 3

Currently, a proof of concept of the energy harvester has been demonstrated and in terms of technology readiness level (TRL) this technology is at level 3. It still needs a robust wireless data transmission system that is also capable of withstanding oceanic harsh environment conditions. Moreover, incorporation the device with a big data platform and artificial intelligence algorithms, so sensory information can be identified, organized, interpreted, which enables fully autonomous and real-time continuous weather monitoring toward internet of things (IoT) and smart cities. It has to be extensive field tested and the long-term reliability and response needs to be tested. Typically, this would be done as part of an R&D project with a company that is sufficiently interested in commercializing this technology. 


This project will take 3-4 years and about 500K$ in resources. The facilities to accomplish that are available.

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