フルーツ電池

Fruit battery

With the variety of devices available to humankind today, lithium-ion batteries come as a blessing because they can power everything from children’s toys to flashlights. The small pockets of energy have been around for quite some time now. However, only about 5% of the lithium-ion batteries used in the 1.5 billion smartphones sold each year are recycled. Most of the world’s lithium comes from Southern America and it takes 1 million liters of water to produce only 900 kg of lithium....

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