Title:
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2013/146054
Kind Code:
A1
Abstract:
[Problem] To provide a nonaqueous electrolyte secondary battery which has excellent output characteristics and excellent thermal stability. [Solution] A nonaqueous electrolyte secondary battery which is provided with: a positive electrode that comprises a positive electrode mixture layer containing a positive electrode active material that is represented by Li1.08Ni0.43Co0.26Mn0.24O2 and has a lamellar structure; a negative electrode that comprises a negative electrode active material; a separator that is arranged between the positive electrode and the negative electrode; and a nonaqueous electrolyte. A lithium ion-permeable coating film that is formed of carbon black is formed on the surface of the positive electrode active material, and the coating film contains lithium fluoride particles that are metal halide particles.
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Inventors:
OKITA KAZUNARI (JP)
TANAKA TADAYOSHI (JP)
HIGUCHI TAKATOSHI (JP)
FUJIMOTO HIROYUKI (JP)
KIDA YOSHINORI (JP)
TANAKA TADAYOSHI (JP)
HIGUCHI TAKATOSHI (JP)
FUJIMOTO HIROYUKI (JP)
KIDA YOSHINORI (JP)
Application Number:
PCT/JP2013/055274
Publication Date:
October 03, 2013
Filing Date:
February 28, 2013
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M4/525; H01M4/36; H01M4/505; H01M10/052; H01M10/0567
Foreign References:
| JP2005190996A | 2005-07-14 | |||
| JP2010232001A | 2010-10-14 | |||
| JPH07192721A | 1995-07-28 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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