POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, LITHIUM ION SECONDARY BATTERY, METHOD OF PRODUCING A POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND VEHICLE

Title:

POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, LITHIUM ION SECONDARY BATTERY, METHOD OF PRODUCING A POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND VEHICLE

Document Type and Number:

WIPO Patent Application WO/2012/098614

Kind Code:

A1

Abstract:

Disclosed is a positive electrode containing a sulfur-based positive electrode active substance and capable of increasing discharge rate characteristics and the cycle characteristics of lithium ion secondary batteries. The positive electrode for lithium ion secondary batteries contains a sulfur-based positive electrode active substance which contains carbon (C) and sulfur (S), and a conductive material which contains sulfur (S), wherein at least one part of said conductive material is a sulfide of at least one metal selected from the group consisting of the fourth-period metals, fifth-period metals, sixth-period metals, and rare earth elements.

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Inventors:

MIYUKI TAKUHIRO (JP)
KOJIMA TOSHIKATSU (JP)
OKUYAMA YASUE (JP)
SAKAI TETSUO (JP)
NIWA JUNICHI (JP)
KOJIMA AKIRA (JP)
NAKANISHI MASATAKA (JP)
KAWASUMI KAZUHITO (JP)

Application Number:

PCT/JP2011/006770

Publication Date:

July 26, 2012

Filing Date:

December 02, 2011

Export Citation:

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Assignee:

TOYOTA JIDOSHOKKI KK (JP)
NAT INST OF ADVANCED IND SCIEN (JP)
MIYUKI TAKUHIRO (JP)
KOJIMA TOSHIKATSU (JP)
OKUYAMA YASUE (JP)
SAKAI TETSUO (JP)
NIWA JUNICHI (JP)
KOJIMA AKIRA (JP)
NAKANISHI MASATAKA (JP)
KAWASUMI KAZUHITO (JP)

International Classes:

H01M4/1397; H01M4/38; H01M4/58; H01M4/62

Domestic Patent References:

WO2010044437A1

2010-04-22

Foreign References:

JP2004179160A	2004-06-24
JP2005025973A	2005-01-27
JP2003123758A	2003-04-25

Attorney, Agent or Firm:

OHKAWA, HIROSHI (JP)
Okawa 宏 (JP)

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Claims:

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