Supercapacitor material with energy density 2.7 times higher than conventional materials
'They showed that the material had excellent stability at high temperatures of 60 °C and high voltage of 3.5 volts in a conventional organic electrolyte. Significantly, it showed ultra-high stability at 25°C and 4.4 volts—2.7 times higher than conventional activated carbons and other graphene-based materials. "This is a world record for voltage stability of carbon materials in a symmetric supercapacitor," says Nishihara.'
'The new material paves the way for development of highly durable, high-voltage supercapacitors that could be used for many applications, including motor vehicles.'
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