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Casein‐Derived Activated Carbon: Turning Expired Milk into Active Material for Electrochemical Capacitors
Ist Teil von
Energy technology (Weinheim, Germany), 2020-03, Vol.8 (3), p.n/a
Ort / Verlag
Weinheim: Wiley Subscription Services, Inc
Erscheinungsjahr
2020
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
The development of high‐performing materials that, at the same time, can be synthesized from cheap precursors, such as biowaste, is of critical importance for the realization of advanced and sustainable electrochemical double layer capacitors (EDLCs). Herein, reported for the first time, the use of casein extracted from expired milk for the realization of activated carbon (AC), suitable for EDLCs, is proposed. Utilizing this abundant and cheap precursor it is possible to obtain microporous AC that, in organic electrolytes (conventional and non), displays capacitance value comparable with those of commercially available ACs.
Expired milk is used as biowaste precursor for the synthesis of activated carbon (AC) for electrochemical double‐layer capacitors (EDLCs). Casein is extracted, chemically activated, and carbonized. The resulting AC possesses a surface area of 1262 m2 g−1 and, in symmetric EDLCs, it displays specific capacitance values comparable with commercially available ACs (22–28 F g−1), in both conventional and innovative electrolytes.