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It discharges/charges much faster, that is all about the new battery.

Discharging fast make it more possible to catch fire.

Overall, it seems not very useful for smartphones.

Even if it doesn't catch on fire, discharging faster isn't what I want for my phones battery.

But nowhere does this article even talk about using this for smartphones or in any form of application.

"In real-world use, this tech will probably be used to equip consumer devices with batteries that are much smaller and lighter — imagine a smartphone with a battery the thickness of a credit card, which can be recharged in a few seconds."

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