Out of all the technological breakthroughs that make your phone great, the most amazing might surprise you. It’s the rechargeable battery, and without it your smartphone would be very different; and not in a good way. Text Graphic: Samsung Presents/ Tech Science/ The Science Behind Cell Phone Batteries The batteries in your portable gadgets today date back to 1800. That’s when Alessandro Volta discovered how to produce electrical currents using metals like nickel and copper. Until a few years ago, rechargeable batteries were still using nickel, but now we mostly use the lithium ion battery. Lithium is the superhero of metals. It has a low physical density, a high energy-to-weight ratio, and powerful electrochemical potential, meaning that lithium ions are light and powerful. Stored correctly, they can last for twenty years. So, how can this help you? Well, it means that thanks to its special design, there are several ways to get days of use out of your smartphone or tablet before you need to recharge it. At optimal settings, you could even get your battery to last for several weeks. Want to learn more? Keep watching Tech Science.
Do you know your re-chargeable battery history? Tech Science takes you back in time to show you the evolution of your smartphone’s battery.
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