LITHIUM SECONDARY BATTERY - TOYOTA MOTOR CO LTD

Title:

LITHIUM SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2012/017520

Kind Code:

A1

Abstract:

The present invention provides a lithium secondary battery capable of minimizing precipitation of lithium. The lithium secondary battery is provided with at least a positive electrode, a negative electrode, and a liquid electrolyte disposed between the positive electrode and the negative electrode, and is characterized in that the negative electrode contains a lithium metal, and the electrolyte contains an ionic liquid and a lithium salt, the ionic liquid including cations and counter anions thereof. The cations have one or more ether groups in the structure thereof, and the counter anions are inert with respect to the lithium metal.

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Inventors:

NAKAMOTO HIROFUMI (JP)

Application Number:

PCT/JP2010/063119

Publication Date:

February 09, 2012

Filing Date:

August 03, 2010

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Assignee:

TOYOTA MOTOR CO LTD (JP)
NAKAMOTO HIROFUMI (JP)

International Classes:

H01M10/0568; H01M10/052; H01M12/08

Domestic Patent References:

WO2002076924A1	2002-10-03
WO2005043668A1	2005-05-12
WO2005003108A1	2005-01-13

Foreign References:

JP2004146346A	2004-05-20
JP2004262896A	2004-09-24
JP2005026023A	2005-01-27
JP2004262897A	2004-09-24

Attorney, Agent or Firm:

KISHIMOTO, Tatsuhito et al. (JP)
Kishimoto Expert (JP)

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