The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
Biowaste-based porous carbon for supercapacitor: The influence of preparation processes on structure and performance
Abstract
Here, a series of porous carbon based supercapacitor electrode materials have been synthesized by means of pyrolysis and hydrothermal methods combining with KOH activation using the biomass wastes mung bean husks as resources. The influence of synthesis process on the morphology, structure and supercapacitor performance of mung bean husks derived porous carbons has been investigated systematically. Especially, it is found that these oxygen-containing groups on the biochar play a crucial role in fabricating the three-dimensional (3D) hierarchical porous structure carbon. The original bio-structured porous carbon (PC3-600), the 3D architecture porous carbon (HPC2-700) and the porous carbon block (HPPC2-700) have a high specific surface area, and the former mainly contains micropores and the latter two possess multistage pores. The specific capacitance of PC3-600, HPC2-700 and HPPC2-700 is respectively up to 390 F g-1, 353 F g-1, 304 F g-1 at 1 A g-1, and still maintains as high as 287 F g-1, 270 F g-1 and 235 F g-1 with corresponding retention ratio of 73.5%, 76.48%, 77.3% even at a high current density of 50 A g-1. HPC2-700//HPC2-700 symmetric supercapacitor achieves a high energy density of 20.4 Wh kg-1 at 872 W kg-1 in 1 M Na2SO4 electrolyte.
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Cites
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Liu, S., Kang, L., Zhang, J., Jung, E., Lee, S., & Jun, S. C. (2020) · Energy Storage Materials · doi:10.1016/j.ensm.2020.07.017 · Cited by 325
Zhu, J., Yan, C., Zhang, X., Yang, C., Jiang, M., & Zhang, X. (2020) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2019.100788 · Cited by 303
A Review of Non-Soil Biochar Applications
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Metadata
- Authors
- Song, M., Zhou, Y., Ren, X., Wan, J., Du, Y., Wu, G., & Ma, F.
- Venue
- Journal of Colloid and Interface Science
- Publisher
- Elsevier BV
- Published
- 2019-02
- Volume
- 535
- Pages
- 276-286
- ISSN
- 0021-9797 (ISSN-L)
- OpenAlex
- W2892931579
- Cited by
- 265
- References
- 48
- FWCI
- 7.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Song, M., Zhou, Y., Ren, X., Wan, J., Du, Y., Wu, G., & Ma, F. (2019). Biowaste-based porous carbon for supercapacitor: The influence of preparation processes on structure and performance. Journal of Colloid and Interface Science. https://doi.org/10.1016/j.jcis.2018.09.055
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