4.6 Article

Nitrile functionalized silyl ether with dissolved LiTFSI as new electrolyte solvent for lithium-ion batteries

Journal

ELECTROCHIMICA ACTA
Volume 180, Issue -, Pages 795-800

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.09.001

Keywords

Silyl ether; Nitriles; Electrolyte; anodic aluminum dissolution; Lithium Ion-Battery

Funding

  1. Federal Ministry of Education and Research (BMBF) within the project MEET Hi-EnD (High energy density batteries, 03 x4634A)

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3-((Trimethylsilyl) oxy) propionitrile is introduced as non-volatile solvent for lithium-ion battery electrolytes using LiTFSI as lithium salt. The thermal and chemical stability of the electrolytes offer an enhanced safety as compared to conventional volatile carbonate electrolytes. In cell tests, the investigated LiTFSI nitrile silyl ether electrolyte shows compatibility with LiFePO4, LiNi0.33Mn0.33Co0.33O2 and graphite active materials. (C) 2015 Elsevier Ltd. All rights reserved.

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