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Preparation of Mesoporous Si@PAN Electrodes for Li-Ion Batteries via the In-Situ Polymerization of PAN

Year: 2015
Type: article
Abstract: This paper details a new binder for mesoporous Si (mp-Si) via the in-situ polymerization and stabilization of polyacrylonitrile (PAN). Using this method mp-Si@PAN electrodes for Li-ion battery anodes have been fabricated. Though the mp-Si@PAN electrodes delivered a reversible specific capacity in excess of 800 mAh g −1 (electrode), the first cycle coulombic efficiency of these electrodes was still less than 50% without a pre-lithiation treatment. The results of an all-solid-state battery experiment confirmed that low first cycle reversibility should be attributed primarily to mechanical pulverization of the internal porous structure of mp-Si particles.
DOI: 10.1149/2.0011503eel
Authors: T. A. Yersak, J. Shin, Z. Wang, D. Estrada, J. Whiteley, S.-H. Lee, M. J. Sailor, Y. S. Meng
Language: English
Open Access status: bronze
Funders: National Science Foundation, U.S. Department of Energy, California Energy Commission, University of Colorado Boulder, University of California, San Diego, Division of Chemistry
Awards: G1286236842, G1863003419, G3083819904, G3342337307, G3833081812, G42916606, Sustainable Energy Pathways: A Lab-to-Market Paradigm for the Optimal Design of Sustainable Energy Storage Materials, G5094606986, G5129510278, G969889393
OpenAlex ID: W2140116053
FWCI: 0.3
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Cited by: 19
Related to: 10