Title:
安全性を改良した電気化学的電池
Document Type and Number:
Japanese Patent JP4588714
Kind Code:
B2
Abstract:
Provided is a cell wherein out of electrodes constituting the cell, the outermost two electrodes are both cathodes, cathode current collectors of the cathodes are single-side coated with cathode active materials on the first surfaces thereof, other sides of cathode current collectors non-coated with cathode active materials are disposed toward the outside of a cell assembly and the thickness of cathode current collectors is 70 to 150% of that of the cathode active material coated layer. The cell in accordance with the present invention exhibits excellent safety in a nail penetration test.
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Inventors:
Kang, Hee, Kyung
Hyun, Oh, Yeon
Ann, Chang, Bun
Lee, Hyang, Mock
Hyun, Oh, Yeon
Ann, Chang, Bun
Lee, Hyang, Mock
Application Number:
JP2006539404A
Publication Date:
December 01, 2010
Filing Date:
November 19, 2004
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
H01M10/0585; H01M4/13; H01M10/04; H01M10/05; H01M10/0525
Domestic Patent References:
| JP2002110170A | ||||
| JP2002313348A | ||||
| JP2003331916A | ||||
| JP2003257415A | ||||
| JP2006173138A |
Attorney, Agent or Firm:
Kenji Yoshitake
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata