Journal
ELECTROCHIMICA ACTA
Volume 259, Issue -, Pages 968-974Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.11.008
Keywords
Metallic fabric; Graphene; Conductive polymer; Wearable electronics; Flexible supercapacitor
Categories
Funding
- National Natural Science Foundation of China [51373143, 21674087]
- Natural Science Foundation of Fujian Province [2014J07002]
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Mechanically flexible supercapacitors with fast charge-discharge capacity, high stability and good mechanical properties are essential for powering flexible electronics devices. In this paper, we report a simple process to obtain composite electrode consisting of graphene and polyaniline on stainless steel fabric. The all solid-state flexible supercapacitors based on the composite electrode exhibit a maximal specific capacitance of 1506.6 mF/cm(2), and capacitance retention of 92% after 5000 charge-discharge cycles. Furthermore, the bending test shows that the flexible supercapacitor maintains 95.8% of the original capacitance after 1000 bending cycles. The high capacitive performance and anti-bending property of the supercapacitor are ascribed to the favourable microstructure of graphene/polyaniline composite and high flexibility of stainless steel fabric. Our work demonstrates a novel type of highperformance flexible electrode, which will boost the development of flexible and wearable electronics and integrated fabric power devices. (C) 2017 Elsevier Ltd. All rights reserved.
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