ELECTROLYTE FOR BATTERY - FUJI ELECTROCHEMICAL CO LTD

Title:

ELECTROLYTE FOR BATTERY

Document Type and Number:

Japanese Patent JPH0973919

Kind Code:

A

Abstract:

To provide an electrolyte for a battery capable of keeping high conductivity even at low temperature.

A lithium salt is dissolved in a nonaqueous solvent containing ethylene carbonate, propylene carbonate, and butyrolactone comprising β- butyrolactone or γ-butyrolactone, and one selected from dimethoxyethane, dimethyl carbonate, and diethyl carbonate, and the content of β-butyrolactone is specified to 18 volume percent or less, and β-butyrolactone is to 17 volume percent or less. The volume ratio of ethylene carbonate, propylene carbonate, and one solvent selected from dimethoxyethane, dimethyl carbonate, and diethyl carbonate is specified to 1:1:1, and the content of butyrolactone is specified to 43 volume percent or less.

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Inventors:

OGAWA TERUMI
KANAZAWA YUKO
MIWA TOSHIYUKI
NARITA NOZOMI

Application Number:

JP22655595A

Publication Date:

March 18, 1997

Filing Date:

September 04, 1995

Export Citation:

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Assignee:

FUJI ELECTROCHEMICAL CO LTD

International Classes:

H01M6/16; H01M10/05; H01M10/0525; H01M10/0569; (IPC1-7): H01M10/40; H01M6/16

Attorney, Agent or Firm:

Kensuke Isshiki (2 outside)

Next Patent: LITHIUM SECONDARY BATTERY