Electrodes, electrolytes, multi-cell configuration, supercapacitors, ultrafast Keywords: electrodes; electrolytes; multi-cell configuration; supercapacitors; ultrafast EN electrodes electrolytes multi-cell configuration supercapacitors ultrafast 1 1 1 07/27/21 20210722 NES 210722 In article number 2003306, Jinwoo Park and Woong Kim review how ultrafast supercapacitors have been developed for 60-Hz AC line filtering over the last decade and provide an outlook for future challenges and possibilities. Bicontinuous and bifunctional nanostructures of both electrodes and electrolytes are a particular focus as one of the key innovations in developing high-performance ultrafast supercapacitors.[Extracted from the article]

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