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A mobile charging device with a tea box size only needs to add a teaspoon of gray powder, plus a little mineral water or even a little urine to fully charge 3 smart phones. No pollutants will be produced during the whole process, and it is safe and environmentally friendly. Is this really amazing?
On the 15th, three science and engineering students Liang Fengyan, Liu Peipei, and Yu Qiaojun from Sichuan University arrived in Beijing with the new green hydrogen mobile power, and participated in the national finals of the National Youth Popular Science Innovation Experiments and Works Competition in Chengdu on behalf of the Chengdu Division.
Not long ago, as the preparation method of gray powder magnesium-based calcium hydride as the core fuel of this power source, it has obtained the national invention patent authorization.
The charging principle of this device is that the grey powdery magnesium-hydroxide based hydride reacts with water to generate hydrogen, hydrogen enters the hydrogen fuel cell, and reacts with oxygen in the battery to generate water, and the exchange process of charged ions in the reaction emits electrical energy.
According to calculations, the mobile power supply only needs 15 grams of magnesium-based calcium hydride and 150 grams of water to fully charge a Samsung S3 smartphone 3 times. The cost of 15 grams of magnesium-magnesium-based hydride is only 1.5 yuan, and its power is equivalent to 3 AA batteries.
Liang Fengyan said that the mobile power can be used for travel, field exploration, and even military combat equipment. When there is no water, it can be charged with urine.
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