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A flexible supercapacitor that integrates a wide application temperature range, satisfactory electrochemical performance and mechanical properties was fabricated by using anti‐freezing and anti‐drying organohydrogels both as electrolyte and binder of the combined electrode. The H2O molecules in the organohydrogel are fixed in the 3D polyacrylamide network through the hydrogen bond interaction of ethylene...
Hydrogel‐based flexible supercapacitors possess the merits of highly ionic conductivity and superior power density, but the existence of water limits their application in extreme temperature scenarios. Noticeably, it is a challenge for people to design more extremely temperature adaptable systems for flexible supercapacitors based on hydrogels with a wide temperature region. In this work, a wide‐temperature...
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