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IBM Research Created A New Battery That Outperforms Lithium-Ion — No Problematic Heavy Metals Required

With everything from cars, to trucks, to even aeroplanes going electric, the demand for batteries is going to continue to skyrocket in the coming years—but the availability of the materials currently used to make them is limited. So scientists at IBM Research have developed a new battery whose unique ingredients can be extracted from seawater instead of mining.

The problems with the design of current battery technologies like lithium-ion are well known, we just tend to turn a blind eye when it means our smartphones can run for a full day without a charge. In addition to lithium, they require heavy metals like cobalt, manganese, and nickel which come from giant mines that present hazards to the environment, and often to those doing the actual mining. These metals are also a finite resource, and as more and more devices and vehicles switch to battery power, their availability is going to decrease at a staggering pace.

As a potential solution, scientists at IBM Research’s Battery Lab came up with a new design that replaces the need for cobalt and nickel in the cathode, and also uses a new liquid electrolyte (the material in a battery that helps ions move from one end to the other) with a high flash point. The combination of the new cathode and the electrolyte materials was also found to limit the creation of lithium dendrites which are spiky structures that often develop in lithium-ion batteries that can lead to short circuits. So not only would this new battery have less of an impact on the environment to manufacture, but it would also be considerably safer to use, with a drastically reduced risk of fire or explosions.

But the benefits of IBM Research’s design don’t stop there. The researchers believe the new battery would have a larger capacity than existing lithium-ion batteries, could potentially charge to about 80 per cent of its full capacity in just five minutes, would be more energy-efficient, and, on top of it all, it would be cheaper to manufacture which in turn means they could help reduce the cost of gadgets and electric vehicles. These results are estimations based on how the battery has performed in the lab so far, but IBM Research is teaming up with companies like Mercedes-Benz Research and Development to further explore this technology, so it will be quite a few years before you’re able to feel a little less guilty about your smartphone addiction.

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