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US 2010/0167121 A1Published application
Nonaqueous Electrolyte
AssigneeAir Products and Chemicals, Inc.
InventorsJuichi Arai, Akira Matsuo
Life of this patent
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Abstract
To provide a nonaqueous electrolyte that makes it possible to lengthen the life of a lithium ion cell even when subjected to repeated charge/discharge cycles when used in a lithium ion cell. A nonaqueous electrolyte is prepared by combining a lithium salt shown by the above formula (1), at least one first additive among compounds shown by the above formula (2), and at least one second additive among compounds shown by the above formula (3).
Claims26
A nonaqueous electrolyte comprising at least one nonaqueous solvent,
- At least one lithium salt shown by the following formula (1)
- [Chemical formula 1]
- Li2B12HxF12−x (1)
- (where, x is an integer of from 0 to 3),
- at least one first additive among compounds shown by the following formula (2)
- (where, X and Y are independently H, CH3, a vinyl group, or F), and at least one second additive among compounds shown by the following formula (3)
- (where, Y is O, X is H or OH, and n is an integer of 0 to 5).
4 more elements
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(canceled)
(canceled)
(canceled)
(canceled)
Dependencies are inferred from the claim text.