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Proceedings Paper

Patternable gel electrolyte infiltrated into all-solid porous Li-ion electrodes
Author(s): Ke Sun; Shen J. Dillon
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Paper Abstract

Gel electrolyte based on 1M LiPF6 in ethylene carbonate:dimethyl carbonate, polyethyleneglycol diacrylate oligomer, and 2,2′-azobis(2-methylpropionitrile) is infiltrated into porous sintered LiCoO2 electrodes and cured in situ. The associated batteries function well, which is consistent with microscopy observations indicating that the gel electrolyte penetrates the electrode well and wets to the electrode particles. Trimethyl silyl acrylate is used to functionalize glass substrates and will cross link with polyethyleneglycol diacrylate during curing to promote bonding between the substrate and the gel electrolyte. The functionalization can localize adhesion allowing the electrolyte to easily release from unfunctionalized glass, which can be used as a mold.

Paper Details

Date Published: 5 June 2014
PDF: 5 pages
Proc. SPIE 9115, Energy Harvesting and Storage: Materials, Devices, and Applications V, 91150L (5 June 2014); doi: 10.1117/12.2057651
Show Author Affiliations
Ke Sun, Univ. of Illinois at Urbana-Champaign (United States)
Shen J. Dillon, Univ. of Illinois at Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 9115:
Energy Harvesting and Storage: Materials, Devices, and Applications V
Nibir K. Dhar; Palani Balaya; Achyut K. Dutta, Editor(s)

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