NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY PACK, AND AUTOMOBILE

Title:

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY PACK, AND AUTOMOBILE

Document Type and Number:

WIPO Patent Application WO/2010/090224

Kind Code:

A1

Abstract:

The nonaqueous electrolyte secondary battery comprises a positive electrode that includes a lithium-nickel compound oxide, a negative electrode that includes a lithium-titanium compound oxide and a lithium-containing phosphorus oxide, and a nonaqueous electrolyte, and satisfies formulas (1)-(5): b/a < y/x (1), 75 ≤ b/a ≤ 90 (2) 90 ≤ y/x < 100 (3) x < z (4) 0 <γ/β ≤ (ay - bx)/bz (5) Here, β is the mass of the aforementioned lithium-titanium compound oxide, and γ is the mass of the aforementioned lithium-containing phosphorus oxide.

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Inventors:

SARUWATARI HIDESATO (JP)
TAKAMI NORIO (JP)
INAGAKI HIROKI (JP)

Application Number:

PCT/JP2010/051518

Publication Date:

August 12, 2010

Filing Date:

February 03, 2010

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Assignee:

TOSHIBA KK (JP)
SARUWATARI HIDESATO (JP)
TAKAMI NORIO (JP)
INAGAKI HIROKI (JP)

International Classes:

H01M10/0525; H01M4/36; H01M4/485; H01M4/58; H01M10/0569

Foreign References:

JP2008243612A	2008-10-09
JP2006066341A	2006-03-09
JP2005135775A	2005-05-26
JP2008091326A	2008-04-17
JP2010009898A	2010-01-14

Attorney, Agent or Firm:

SUZUYE, Takehiko et al. (JP)
Takehiko Suzue (JP)

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