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An Electrical Power Generator and A Self-powered System including such Power Generator
Energy & Environment
Manufacturing
Buildings and Construction Technology
Consumer Electronics
Electricity and Power Electronics
Energy Conservation/Generation/Management/Storage (Battery)

924

Opportunity

Atmospheric moisture, including fog, vapour, aerosol, and cloud have roughly accounted for 10% of the world freshwater. Especially in coastal regions like Hong Kong, the annual mean relative humidity is as high as 80%. In striking contrast to universal large-scale energy harvesting, such as solar, wind, thermal, and hydropower, ambient moisture as an abundant source has seldom been applied in energy generation. Almost all the existing fog harvesting systems are designed for freshwater collection only.

Technology

The present technology relates to a novel system of harvesting energy and freshwater from high-humidity air via the 3D printed Fog-based Self-powered System (FSS), which consists the components of a fog harvesting mash with bioinspired material, a droplet distributor, a newly developed high-power density droplet-based generator (DEG), and a water reservoir. Different configurations of the integrated system are developed to meet the optimal aerodynamic properties and compact requirements to be applied in various scenarios. By ingeniously integrating these components, the portable FSS as an eco-friendly battery may not only charge small electronic products but also sustainably supply freshwater in remote areas.

Advantages

  • Made by 3D printing to suit for different configuration in various scenarios
  • Utilized ambient moisture to generate electricity and harvest freshwater concurrently¬†
  • Low cost of maintenance and operation
  • Long lifetime, easy assembling, and flexible scale

Applications

  • Generating electricity from the sustainable source of ambient moisture in remote area ¬†
  • Harvesting freshwater from atmospheric moisture
IP Status
Patent granted
Technology Readiness Level (TRL)
4
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An Electrical Power Generator and A Self-powered System including such Power Generator

 

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