Discarded cigarette filters could be used to store energy, study suggests

08/6/2014 | Reuters

South Korea researchers have found a unique use for discarded cigarette butts: converting them into something that can store enough energy to power such things as cellphones and electric cars, according to a study published in Nanotechnology. "Our study has shown that used cigarette filters can be transformed into a high-performing carbon-based material using a simple one-step process, which simultaneously offers a green solution to meeting the energy demands of society," said study co-author Jongheop Yi of Seoul National University.

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