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Activated carbon from the graphite with increased rate capability for the potassium ion battery
Open accessAbstract
Abstract Activated carbon has been synthesized by a high-temperature annealing route using graphite as carbon source and potassium hydroxide as the etching agent. Many nanosized carbon sheets formed on the particles could be of benefit for rapid intercalation/de-intercalation of potassium ions. Moreover, the d-spacing in the (100) crystal planes of the as-prepared active carbon is enlarged to 0.335 nm, even some formed carbon nanosheets can reach 0.358 nm, and the diffusion coefficient of K ion is also improved by 7 times as well. The as-prepared activated carbon electrode can deliver a high reversible capacity of 100 mAh g−1 after 100 cycles (at a high current density of 0.2 A g−1), and exhibits increased rate performance. The results demonstrate that the as-prepared active carbon is a promising anode material for the potassium ion battery, with high capacity, excellent rate performance, and great cycling stability.
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Cited by
Graphitic Carbon Nanocage as a Stable and High Power Anode for Potassium‐Ion Batteries
Cao, B., Zhang, Q., Liu, H., Xu, B., Zhang, S., Zhou, T., Mao, J., Pang, W. K., Guo, Z., Li, A., et al. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201801149 · Cited by 561
Self-citationZhao, R., Di, H., Hui, X., Zhao, D., Wang, R., Wang, C., & Yin, L. (2020) · Energy & Environmental Science · doi:10.1039/c9ee03250a · Cited by 369
An, Y., Fei, H., Zeng, G., Ci, L., Xi, B., Xiong, S., & Feng, J. (2018) · Journal of Power Sources · doi:10.1016/j.jpowsour.2017.12.033 · Cited by 339
Wu, Y., Hu, S., Xu, R., Wang, J., Peng, Z., Zhang, Q., & Yu, Y. (2019) · Nano Letters · doi:10.1021/acs.nanolett.8b04957 · Cited by 283
Self-citationKim, J., Nithya Jeghan, S. M., & Lee, G. (2020) · Microporous and Mesoporous Materials · doi:10.1016/j.micromeso.2020.110325 · Cited by 112
Metadata
- Authors
- Tai, Z., Zhang, Q., Liu, Y., Liu, H., & Dou, S.
- Venue
- Carbon
- Publisher
- Elsevier BV
- Published
- 2017-10
- Volume
- 123
- Pages
- 54-61
- ISSN
- 0008-6223 (ISSN-L)
- OpenAlex
- W2735473689
- Cited by
- 300
- References
- 0
- FWCI
- 12.87
- Type
- journal article
- Language
- en
- Open access
- green
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- Tai, Z., Zhang, Q., Liu, Y., Liu, H., & Dou, S. (2017). Activated carbon from the graphite with increased rate capability for the potassium ion battery. Carbon. https://doi.org/10.1016/j.carbon.2017.07.041
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