Non-aqueous electrolyte battery
AssigneeJapan Storage Battery Co., Ltd.
InventorTetsuya Murai
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Abstract
A non-aqueous electrolyte battery of the invention comprises a non-aqueous electrolyte which contains a chain carbonic ester having a hydrocarbon group with carbon number varied from 4 to 12 and a hydrocarbon group with carbon number varied from 1 to 12, a non-aqueous solvent and a lithium salt; wherein the non-aqueous solvent contains ethylene carbonate, propylene carbonate or gamma-butyrolactone, and the sum of volume ratios of ethylene carbonate, propylene carbonate and gamma-butyrolactone in the non-aqueous solvent is 80% or more.
Claims17
A non-aqueous electrolyte battery comprising a non-aqueous electrolyte which contains:
- a chain carbonic ester represented by formula 1,
- 3
- wherein R1 is a hydrocarbon group with carbon number varied from 4 to 12, and R2 is a hydrocarbon group with carbon number varied from 1 to 12;
- a non-aqueous solvent except said chain carbonic ester, wherein said non-aqueous solvent contains ethylene carbonate, propylene carbonate or gamma-butyrolactone, and the sum of volume ratios of ethylene carbonate, propylene carbonate and gamma-butyrolactone in said non-aqueous solvent is 80% or more;
- and
- a lithium salt.
Dependencies are inferred from the claim text.