期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 181, 期 -, 页码 1063-1071出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.04.112
关键词
Supercapacitor; Fibrous electrode; Cotton fiber; MXene; In situ hybrid polymerization
资金
- Science and Technology Commission of Shanghai Municipality [16JC1400700]
- Shanghai Natural Science Foundation [19ZR1400900, 20ZR1402000]
- graduate Student Innovation Fund of Donghua University [CUSF-DH-D-2019018]
- Fundamental Research Funds for the Central Universities
A Polypyrrole (PPy) and MXene composite grown on cotton fiber is proposed as a high capacitance electrode, outperforming traditional PPy@Cotton fiber electrodes. The assembled electrode shows high mass and areal capacitance, along with excellent mechanical strength and conductivity, offering promising application prospects in weaving and flexible fibrous supercapacitors.
Fiber electrodes are the main functional elements of flexible and textile-based storage devices. This study proposes a Polypyrrole (PPy) and MXene composite, grown on cotton fiber, as a high capacitance electrode. Pyrrole (Py) and MXene are processed and deposited along with an in-situ polymerization. The mass and areal capacitance of the assembled (PPy/MXene)@Cotton electrode respectively reach to 506.6 F g(-1), at current density of 1 Ag-1 and 455.9 mF cm(-2) al scan rate of 0.9 mA cm(-2). These values outperform the PPy@Cot ton fiber electrode, around 45.8% and 119% respectively. As-prepared fiber electrodes with mechanical strength of 107.3 MPa and conductivity of 60.8 S/m, offer intriguing application prospects in the field of weaving and flexible fibrous supercapacitors. (C) 2021 Published by Elsevier B.V.
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