Scientists have another interesting idea for cheap and much more capacious batteries than lithium-ion batteries. Will we ever see them on board our smartphones? A group of researchers from the Australian University of Sydney and Nanyang University of Technology in Singapore have developed new zinc-air batteries. No, it's not a joke! One of the basic building blocks of such batteries is to be the said air. In the future, this solution could replace lithium-ion batteries in smartphones and other devices that we use every day. So what's all the magic in there? First of all, zinc-air batteries are much more capacious (up to five times) than standard solutions. In addition, they are much cheaper to produce. We have plenty of air, and zinc is not a particularly difficult element. As if that wasn't enough, such a solution is environmentally friendly due to the natural components I mentioned above. These batteries are also safer. The most interesting may be that such batteries are already used in some devices. Why are they not produced on a massive scale? All because of the problem of charging time ... which, in short, is much longer than in other solutions. Researchers, however, invented an electrocatalyst from cheap components, such as cobalt, nickel and iron, while expensive platinum oxide or iridium oxide are required as standard. At the same time, the batteries have retained their properties. However, work is still underway to further improve this solution. So will we ever see such batteries, produced on a mass scale? In fact, it's hard to tell. Not for the first time we hear about similar technological innovations, after which hearing about them is lost. This time it may be similar.
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