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Human hair-derived carbon flakes for electrochemical supercapacitors
Abstract
Heteroatom doped porous carbon flakes were prepared via carbonization of Chinese human hair fibers and employed for high-performance supercapacitor electrode materials. The morphology and chemical composition of the resultant carbon materials were characterized by electron microscopy (EM), energy-dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS) measurements. Human hair carbonized at 800 °C exhibited high charge storage capacity with a specific capacitance of 340 F g−1 in 6 M KOH at a current density of 1 A g−1 and good stability over 20 000 cycles. The specific capacitance of 126 F g−1 is also verified in a 1 M LiPF6 ethylene carbonate/diethyl carbonate (EC/DEC) organic electrolyte at a current density of 1 A g−1. The high supercapacitor performance could be due to the micro/mesoporosity combined with high effective surface area and heteroatom doping effects, combining double layer and Faradaic contributions.
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Li, Z., Xu, Z., Tan, X., Wang, H., Holt, C. M. B., Stephenson, T., Olsen, B. C., & Mitlin, D. (2013) · Energy & Environmental Science · doi:10.1039/c2ee23599d · Cited by 1,054
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Hou, J., Cao, C., Idrees, F., & Ma, X. (2015) · ACS Nano · doi:10.1021/nn506394r · Cited by 1,529
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Pal, B., Yang, S., Ramesh, S., Thangadurai, V., & Jose, R. (2019) · Nanoscale Advances · doi:10.1039/c9na00374f · Cited by 1,317
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Ding, J., Wang, H., Li, Z., Cui, K., Karpuzov, D., Tan, X., Kohandehghan, A., & Mitlin, D. (2015) · Energy & Environmental Science · doi:10.1039/c4ee02986k · Cited by 818
Advanced materials and technologies for hybrid supercapacitors for energy storage – A review
Afif, A., Rahman, S. M., Tasfiah Azad, A., Zaini, J., Islan, M. A., & Azad, A. K. (2019) · Journal of Energy Storage · doi:10.1016/j.est.2019.100852 · Cited by 772
Metadata
- Authors
- Qian, W., Sun, F., Xu, Y., Qiu, L., Liu, C., Wang, S., & Yan, F.
- Venue
- Energy Environ. Sci.
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014
- Volume
- 7
- Issue
- 1
- Pages
- 379-386
- ISSN
- 1754-5692 (ISSN-L)
- 1754-5706
- OpenAlex
- W2108856594
- Cited by
- 1,000
- References
- 1
- FWCI
- 25.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Qian, W., Sun, F., Xu, Y., Qiu, L., Liu, C., Wang, S., & Yan, F. (2014). Human hair-derived carbon flakes for electrochemical supercapacitors. Energy Environ. Sci. https://doi.org/10.1039/c3ee43111h
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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