Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 47, Pages 53039-53048Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c12879
Keywords
wearable electronics; polymeric gel electrolyte; flexible energy storage device; two-dimensional materials; 2D materials; aqueous hydrogel; organic conductors
Funding
- Grant Agency of the Czech Republic [EXPRO: 19-26896X]
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Owing to the rise of miniaturized wearable electronic devices in the last decade, significant demands have arisen to obtain high-performance flexible supercapacitors (FSCs). Recently, a lot of research has been focused on developing smart components of FSCs and integrating them into new device configurations. In this work, FSCs based on a Ti3C2 nanosheet (NS) and an organic ionic conductor (OIC)-induced hydrogel as the electrode and the electrolyte, respectively, were used. The FSCs fabricated have three different configurations (sandwich, twisted fiber, and interdigitated) and a comparative study of their electrochemical performance was investigated in terms of cycle stability, bending stability, power density, and energy density. Finally, the experimental validation of practical application was conducted, which suggested excellent electrochemical stability of Ti3C2 NS FSCs for driven commercial electronic gadgets. This study presents mechanically robust, lightweight, high-performance FSCs, which can be assembled in different configurations for powering wearable electronic devices.
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