A glass of water + two spoons of salt let LED light run for 8 hours

Wei Feng network news, in the Philippines islands, has more than more than 7 thousand islands are still without electricity. So when the sun sets, their only source of light comes from kerosene lamps. Although it is very cheap, but the strong smell of kerosene burning not only unpleasant, but also harmful to human health. In order to solve the problem of the residents, engineer and Greenpeace volunteer Aisa Mijeno after thinking, put forward the idea of saline LED lamp, only need a cup of water and two teaspoons of salt, can make the lamp equipment running time of eight hours.

The working principle of salt water LED lamp is the same as that of ordinary battery, but the pure electrolyte solution is replaced by salt water. Taking into account the rich water resources around the Philippines islands, this product can be said to be the most environmentally friendly renewable energy.

Just like other ordinary batteries, they can't be used all the time. This product can only be used for eight hours after each filling of seawater. In the continuous use of six months or so, it is necessary to replace the electrodes at both ends.

Designers said that the power generated by this product is very adequate, not only can provide lighting, and even through the body of the USB port for smart phone charging. At present, they plan to produce 600 to provide the first trial on the island of Philippines indigenous people, after the completion of the latter, may be officially put into operation in early 2016.

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