Anodic Polymerization of Vinyl Ethylene Carbonate in Li-Ion Battery Electrolyte | Zendy

Guoying Chen | Zendy; Guorong V. Zhuang | Zendy; Thomas J. Richardson | Zendy; Gao Liu | Zendy; Philip N. Ross | Zendy

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Anodic Polymerization of Vinyl Ethylene Carbonate in Li-Ion Battery Electrolyte

Author(s) -

Guoying Chen,

Guorong V. Zhuang,

Thomas J. Richardson,

Gao Liu,

Philip N. Ross

Publication year - 2005

Publication title -

electrochemical and solid-state letters

Language(s) - English

Resource type - Journals

eISSN - 1944-8775

pISSN - 1099-0062

DOI - 10.1149/1.1921127

Subject(s) - ethylene carbonate , electrolyte , materials science , electrode , attenuated total reflection , polymerization , battery (electricity) , polymer , fourier transform infrared spectroscopy , anode , gel permeation chromatography , polymer chemistry , inorganic chemistry , infrared spectroscopy , chemical engineering , chemistry , organic chemistry , power (physics) , physics , quantum mechanics , engineering , composite material

A study of the anodic oxidation of vinyl ethylene carbonate (VEC) was conducted with post-mortem analysis of reaction products by ATR-FTIR and gel permeation chromatography (GPC). The half-wave potential (E1/2) for oxidation of VEC is ca. 3.6 V producing a resistive film on the electrode surface. GPC analysis of the film on a gold electrode produced by anodization of a commercial Li-ion battery electrolyte containing 2 percent VEC at 4.1 V showed the presence of a high molecular weight polymer. IR analysis indicated polycarbonate with alkyl carbonate rings linked by aliphatic methylene and methyl branches.

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