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Title:
ELECTRODE MATERIAL, ELECTRODE AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2013/061889
Kind Code:
A1
Abstract:
Provided is an electrode material for a secondary battery which has decreased contact resistance between the electrode material and the active material layer. A current collector (the electrode material) (1) is provided with a substrate (1a) including a metal foil, and a conductive material (1b). The conductive material (1b) contains carbon black with a BET specific surface area of 300m2/g or less, and the amount of carbon black adhered per unit area of the surface of the substrate (1a) is 400mg/m2 or less.

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Inventors:
KATSURA SHO (JP)
HOSOKAWA MAMORU (JP)
TAKADA SATORU (JP)
SUZUKI JUN (JP)
SATO TOSHIKI (JP)
Application Number:
PCT/JP2012/077119
Publication Date:
May 02, 2013
Filing Date:
October 19, 2012
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
International Classes:
H01M4/66; H01M4/13; H01M4/64
Domestic Patent References:
WO2010084622A12010-07-29
Foreign References:
JP2009176540A2009-08-06
JP2004511887A2004-04-15
JP2007226969A2007-09-06
JP2010135338A2010-06-17
JPH0997625A1997-04-08
JP2001351612A2001-12-21
Other References:
See also references of EP 2772972A4
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Download PDF:
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Claims:



 
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