H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/26 (2006.01) H01M 10/40 (2006.01) H01M 4/58 (2006.01) H01M 6/16 (2006.01)
Patent
CA 2091115
CAPACITY AND LIFE ENHANCING LITHIUM ELECTROLYTE FOR NON-AQUEOUS CELLS WITH CARBON BASED NEGATIVE ELECTRODE ABSTRACT OF THE DISCLOSURE This invention relates to a novel method and electrolyte for prolonging the efficiency and cycle life of non-aqueous batteries. More particularly, this invention pertains to a method and liquid organic electrolyte com- prising one or more organic solvents and the lithium salt LiN(CF3SO2)2 for use in increasing the capacity and cycle life of non-aqueous cells with carbon based negative elec- trodes. A method is disclosed of achieving greater capac- ity and cycle life in a non-aqueous lithium ion cell with a carbon based negative electrode which comprises minimiz- ing loss of lithium from the carbon electrode by incorpor- ating in the electrolyte a suitable lithium salt.
Sleigh Anne Katherine
von Sacken Ulrich
Moli Energy (1990) Limited
Oyen Wiggs Green & Mutala Llp
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