And they're low-cost and disposable. 😷 engineering
are just some of the ways we've previously tried to deal with the worrying issue. Now, a team of scientists from the
In order to recycle the masks, the team first disinfected the masks using ultrasound and dip them into ink made of graphene. The masks were then compressed and heated up to 284°F to form pellets to work as the electrodes of the battery. These pellets are separated by an insulating layer that's also made out of used masks.
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