Title:
LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2013/128805
Kind Code:
A1
Abstract:
This lithium ion secondary battery comprises: a negative electrode which comprises a negative electrode active material containing a carbon material; a positive electrode which comprises a positive electrode active material that is capable of absorbing and desorbing lithium ions; and an electrolyte solution which is obtained by dissolving an electrolyte in a solvent. The electrolyte solution contains, as an additive, a compound represented by [chemical formula 1]. The content of the additive per 1 cm2 of the surface area of the carbon material is 2.0 × 10-3 mg or more. In [chemical formula 1], M represents P or B; X represents a halogen group; R represents a chain hydrocarbon group; n1 is 1 or 2; n2 is an integer of 1-4; and n3 is an integer of 0-3.
Inventors:
HAYASHI KEIICHI (JP)
MIZUNO KAYO (JP)
KAWABATA YOSHIKATSU (JP)
ABE TORU (JP)
KANETAKE FUMIYA (JP)
SHINODA HIDEAKI (JP)
MIZUNO KAYO (JP)
KAWABATA YOSHIKATSU (JP)
ABE TORU (JP)
KANETAKE FUMIYA (JP)
SHINODA HIDEAKI (JP)
Application Number:
PCT/JP2013/000682
Publication Date:
September 06, 2013
Filing Date:
February 07, 2013
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01M10/0567; H01M4/587; H01M10/052
Foreign References:
| JP2005032715A | 2005-02-03 | |||
| JP2008135273A | 2008-06-12 | |||
| JP2005005117A | 2005-01-06 | |||
| JP2005100706A | 2005-04-14 | |||
| JP2004134184A | 2004-04-30 | |||
| JP2006147288A | 2006-06-08 |
Attorney, Agent or Firm:
OHKAWA, HIROSHI (JP)
Okawa 宏 (JP)
Okawa 宏 (JP)
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Claims: