Electrolyte for lithium secondary battery and lithium...

Details Electrolyte for lithium secondary battery and lithium... Electrolyte for lithium secondary battery and lithium...

2005-06-30

2010-12-07

Weiner, Laura S (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S331000, C429S332000, C429S231100, C429S231300, C429S217000, C429S231800, C429S231400, C429S232000

Reexamination Certificate

active

07846588

ABSTRACT:
An electrolyte for a lithium secondary battery is provided. The electrolyte improves battery safety, high temperature storage characteristics, and electrochemical properties of lithium batteries. The electrolyte comprises at least one lithium salt and a non-aqueous organic solvent comprising a cyclic carbonate and a lactone-based compound. The lactone based compound comprises substituents selected from the group consisting of alkyl groups, alkenyl groups, alkynyl groups, aryl groups, and combinations thereof. A lithium battery is also provided, which comprises a negative electrode capable of intercalating/deintercalating lithium, a positive electrode capable of intercalating/deintercalating lithium, and an inventive electrolyte.

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