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Issue 21, 2015
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A binder-free Si-based anode for Li-ion batteries

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Abstract

A binder-free anode for lithium ion batteries consisting of micro-sized silicon particles and polyacrylonitrile (PAN) was prepared. By optimizing the size of the Si particles and the ratio of Si particles to PAN, the performance of the anode was greatly enhanced. Although its columbic efficiency in the first cycle is comparatively lower than that made by traditional methods, it increases to 99% in the 8th cycle, and remains above 99.5% for up to 190+ cycles. Due to its adhesivity and conductance, pyrolyzed PAN (PPAN) can be used both as a binder and the conductive agent at the same time.

Graphical abstract: A binder-free Si-based anode for Li-ion batteries

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Publication details

The article was received on 24 Nov 2014, accepted on 28 Jan 2015 and first published on 29 Jan 2015


Article type: Communication
DOI: 10.1039/C4RA15159C
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RSC Adv., 2015,5, 15940-15943

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    A binder-free Si-based anode for Li-ion batteries

    C. Zhang, F. Yang, D. Zhang, X. Zhang, C. Xue, Y. Zuo, C. Li, B. Cheng and Q. Wang, RSC Adv., 2015, 5, 15940
    DOI: 10.1039/C4RA15159C

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