Colombian Renewable Energy Startup E-Dina Develops Water Light That is Powered by Salt Water

2 Cups of Salt Water Can Power a Water Light for Up To 45 Days

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South American engineers have created the water lamp, a portable device that uses just two cups of seawater to generate both light and electricity.

The invention, created by Colombian renewable energy business E-Dina, is a ground-breaking lantern that produces light and power utilizing one of the planet’s most priceless natural resources: the sea.

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This lovely lantern can generate clean, renewable energy for up to 45 days with just two cups of salt water. For communities living off the grid in isolated locations without access to dependable energy, water light can change their way of life.

Water light is also environmentally friendly because it is waterproof and 100% recyclable. Hence, it is strong and sustainable everywhere it goes. It also has ties to the past.

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The Colombian Wayuu community and their ancestors’ ties to the water served as inspiration for the design. This indigenous group resides on the isolated La Guajira Peninsula, which runs along Venezuela’s and Colombia’s shared border.

The availability of electricity promotes economic development and raises standard of living. Before, it was impossible for fisherman to fish at night, students had to complete risky homework assignments by candlelight, artisans couldn’t fulfill orders, and cell phones couldn’t be charged. Now, all of that has changed.

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The amazing lantern uses an electrolyte made of saline water to ionize the magnesium within, which transforms the magnesium into energy. It contains an electric circuit that is specifically intended to extend the transfer of those ions from a salty medium and transform them into usable, immediate energy.

With the help of an electronic circuit, the salt bridge’s electrodes allow energy to be drawn from the saltwater. Each liter of water can extract about 500 watts thanks to the compact circuit.

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Although they can be powered by seawater, which is something that is readily available to them, E-Dina thinks that these lights could eventually replace kerosene or oil-based lamps. Moreover, these lights can also charge a phone.

 

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