Organosilicon electrolytes for lithium ion batteries

Abstract

Organosilicon electrolytes can provide excellent electrical characteristics for Lithium ion batteries • OS compounds have very large window of electrochemical stability (in practice, always limited by the salt) of ~ 6 V vs. Li/Li+ • Properties are limited by the salt; conventional salts (e.g., LiPF 6) have low solubility, but LiBOB, LiTFSI, ionic liquids work well. • As with conventional Li-ion batteries, ultimate properties highly dependent on formation of SEI layer • Have developed good purification process to remove water • Now available in >10-liter quantities in pure form • New silicon-containing ionic liquids and new OS compounds yield EDLCs, Li primary cells, and recharageable lithium-ion batteries with very good performance. • We welcome opportunities to partner. Copyright © (2009) by Florida Educational Seminars, Inc.