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Electrospun CoSe@N-doped carbon nanofibers with highly capacitive Li storage
Abstract
Abstract One-dimensional nano-structured materials have attracted attention due to its unique properties afforded such as the across-linked structures and large aspect ratios. In this work, one-dimensional CoSe@N-doped carbon nanofibers (CoSe@NC NFs) are successfully by combining the techniques of electrospinning and annealing. Selenium powder are directly dispersed in the polyacrylonitrile /N,N-Dimethylformamide (DMF) solution containing cobalt salt to form the product. The performance of these materials was investigated in Li-ion batteries after the annealing at different temperatures. The CoSe@NC nanofibers annealed at 550 °C (CoSe@NC-550) and displayed excellent storage properties, affording a high capacity of 796 mAh·g−1 at a current density of 1 A·g−1 for 100 cycles. Moreover, it is confirmed that the pseudocapacitive contribution of CoSe@NC-550 is up to 72.8% at the scan rate of 1 mV/s through the cyclic voltammetry analysis.
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Thackeray, M. M., Wolverton, C., & Isaacs, E. D. (2012) · Energy & Environmental Science · doi:10.1039/c2ee21892e · Cited by 2,515
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Zhang, X., Rui, X., Chen, D., Tan, H., Yang, D., Huang, S., & Yu, Y. (2019) · Nanoscale · doi:10.1039/c8nr09391a · Cited by 336
ZIF-67-Derived N-Doped Co/C Nanocubes as High-Performance Anode Materials for Lithium-Ion Batteries
Wang, L., Wang, Z., Xie, L., Zhu, L., & Cao, X. (2019) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.9b03365 · Cited by 265
Metadata
- Authors
- Liu, J., Liang, J., Wang, C., & Ma, J.
- Venue
- Journal of Energy Chemistry
- Publisher
- Elsevier BV
- Published
- 2019-06
- Volume
- 33
- Pages
- 160-166
- ISSN
- 2095-4956 (ISSN-L)
- OpenAlex
- W2889568117
- Cited by
- 161
- References
- 1
- FWCI
- 9.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, J., Liang, J., Wang, C., & Ma, J. (2019). Electrospun CoSe@N-doped carbon nanofibers with highly capacitive Li storage. Journal of Energy Chemistry. https://doi.org/10.1016/j.jechem.2018.09.006
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