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The development of green flexible micro‐supercapacitors (MSCs) is one of the biggest challenges in future wearable electronics. Flexible MSCs are mainly produced from non‐biodegradable synthetic polymers, resulting in massive electronic waste. Moreover, complex multi‐step fabrication increases their production cost. Here, the direct fabrication of highly conductive, intrinsically flexible, and green...
Green Flexible Microsupercapacitors
In article number 2107768, Hana Yoon, Young‐Jin Kim, and co‐workers demonstrate that fallen leaves are cost‐free and sustainable resources to fabricate high‐performance energy storage devices. Under irradiation of femtosecond laser pulses, the leaves are selectively converted to highly conductive graphene microelectrodes. The green flexible micro‐supercapacitors...