Old Cigarette Butts Could Be Used To Make Supercapacitors

Old Cigarette Butts Could Be Used To Make Supercapacitors

The world has too many nasty old cigarette butts. On the other hand, the world could use some supercapacitors, the high-tech replacements for batteries that could potentially charge in seconds. Scientists in South Korea have found a simple process to turn used cigarette filters into high-performing material that works better than graphene or carbon nanotubes in supercapacitors.

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