Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 11, 2008
Patent Application Number
11058711
Date Filed
February 14, 2005
Patent Primary Examiner
Patent abstract
A more efficient LiPF6 lithium-ion electrochemical system composed of a phosphate free, borate lithium salt electrolyte LiTPTB composed of LiBC32F24H12 in a ternary mixed organic solvent containing a 1:1:1 volume ratio of EC, DMC and EMC is provided. The borate salt of the LiTPTB electrolyte decomposes at temperatures above 110° C. and does not react with water and also has an oxidation potential of about 4.4 V versus lithium, making it suitable for use in high voltage lithium-ion cells and batteries. A 0.3 to 1.0 M molar concentration of LiTPTB composed of LiBC32F24H12 in a ternary mixed organic solvent containing a 1:1:1 volume ratio of EC, DMC and EMC is also provided.
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