Tuning the interlayer spacing of graphene laminate films yields extremely efficient supercapacitors
Scientists from University College London and the Chinese Academy of Sciences have proposed a graphene-based design for supercapacitors, which reportedly increased their density by 10 times.
Supercapacitors charge quickly but also discharge at a high speed. Existing supercapacitors tend to have a low energy density – about 1/20 of the battery capacity. Batteries combined with supercapacitors are already in limited use – for example, in Chinese public transport. But the bus in which such a battery is installed is forced to charge at almost every stop.
Source: https://www.graphene-info.com/tuning-interlayer-spacing-graphene-laminate-films-yields-extremely-efficient
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