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Electrospun CoSe@N-doped carbon nanofibers with highly capacitive Li storage

Liu, Jiandong, Liang, Jiaojiao, Wang, Caiyun, Ma, Jianmin·2019·Journal of Energy Chemistry

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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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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CoChat. (2026). Citation check: Electrospun CoSe@N-doped carbon nanofibers with highly capacitive Li storage. https://app.cochat.ai/papers/10.1016/j.jechem.2018.09.006
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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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