Despite gradual advancements in recent years, conventional battery cells are big, heavy and expensive, making them unpractical for the many applications in which weight or price play an essential role. Researchers at the Fraunhofer research facility in Germany have taken a radically different approach towards the building process and have developed an incredibly light, thin and inexpensive battery.The batteries weigh less than 1g each, are less than a millimeter thick, and are also environmentally friendly in that they don't contained any mercury. They are also quite inexpensive at $0.10 each.Click Here For More Details.
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