Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 47, Pages 32317-32323Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b11172
Keywords
wearable electronics; screen-printing technique; supercapacitor; flexibility; silk fabric
Funding
- Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies [cstc2011 pt-sy90001]
- Southwest University [SWU111071]
- Fundamental Research Funds for the Central Universities [XDJK2015B016]
- Specialized Research Fund for the Doctoral Program of Higher Education (RFDP) [20130182120025]
- Young Core Teacher Program of the Municipal Higher Educational Institution of Chongqing
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Textile-based supercapacitors have recently attracted much attention owing to their great potential as energy storage components in wearable electronics. However, fabrication of a high-performance, fully printed, and ultraflexible supercapacitor based on a single textile still remains a great challenge. Herein, a facile, low-cost, and textile-compatible method involving screen printing and transfer printing is developed to construct all-solid-state supercapacitors on a single silk fabric. The system exhibits a high specific capacitance of 19.23 mF cm(-2) at a current density of 1 mA cm(-2) and excellent cycling stability with capacitance retention of 84% after 2000 charging/discharging cycles. In addition, the device possesses superior mechanical stability with stable performance and structures after 100 times of bending and twisting. A butterfly-patterned supercapacitor was manufactured to demonstrate the compatibility of the printing approaches to textile aesthetics. This work may provide designed ultraflexible textile-based power-storage elements for potential electronics.
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