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Title: From biomass with irregular structures to 1D carbon nanobelts : a stripping and cutting strategy to fabricate high performance supercapacitor materials
Authors: Ouyang, T
Cheng, K 
Yang, F
Zhou, LM 
Zhu, K
Ye, K
Wang, GL
Cao, DX
Issue Date: 2017
Publisher: Royal Society of Chemistry
Source: Journal of materials chemistry A, 2017, v. 5, no. 28, p. 14551-14561 How to cite?
Journal: Journal of materials chemistry A 
Abstract: One-dimensional (1D) nanostructures have been identified as the most viable structures for high-performance supercapacitors from the view of high ion-accessible surface area and rapid electron transport path as well as excellent mechanical properties. Herein, we report a "stripping and cutting" strategy to produce 1D carbon nanobelts (CNB) from tofu with irregular structures through a molten salts assisted technique. It is a completely novel and green avenue for constructing 1D carbon materials from biomass, showing large commercial potential. The resultant CNB electrode delivers a high specific capacitance (262 F g(-1) at 0.5 A g(-1)) and outstanding cycling stability with capacitance retention up to 102% after 10 000 continuous charging/discharging cycles. Additionally, a CNB//CNB symmetric supercapacitor and CNB//MnO2-CNB asymmetric supercapacitor are assembled and reach energy densities of 18.19 and 29.24 W h kg(-1), respectively. Therefore, such a simple, one-pot and low-cost process may have great potential for preparing eco-friendly biomass-derived carbon materials for high-performance supercapacitor electrodes.
ISSN: 2050-7488
EISSN: 2050-7496
DOI: 10.1039/c7ta02412f
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