Title:
ALUMINUM ALLOY FOIL FOR LITHIUM ION BATTERY ELECTRODE CURRENT COLLECTORS, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2012/117627
Kind Code:
A1
Abstract:
Provided is an aluminum alloy foil for lithium ion battery electrode current collectors that exhibits high strength and low electrical resistance, and is characterized by: having a composition containing Mn in the amount of 0.4% or more and less than 0.8%, Mg in the amount of 0.3% or more and 0.8% or less, Si in the amount of 0.4% or less, Fe in the amount of 0.8% or less, and Ti in the amount of 0.5% or less, satisfying a relationship (Mn%+4xMg%≤3.2%) pertaining to the amounts of Mn and Mg contained therein, and having Al and inevitable impurities constitute the remainder thereof; the tensile strength thereof being 300MPa or greater; and the specific resistance value thereof at room temperature being 3.7μΩcm or less.
Inventors:
TANAKA HIROKI (JP)
Application Number:
PCT/JP2011/077000
Publication Date:
September 07, 2012
Filing Date:
November 24, 2011
Export Citation:
Assignee:
SUMITOMO LIGHT METAL IND (JP)
TANAKA HIROKI (JP)
TANAKA HIROKI (JP)
International Classes:
C22C21/00; C22C21/06; C22F1/04; H01M4/66; C22F1/00
Foreign References:
| JP2009064560A | 2009-03-26 | |||
| JP2008150651A | 2008-07-03 | |||
| JP2004332106A | 2004-11-25 |
Attorney, Agent or Firm:
FUKUDA Yasuo et al. (JP)
Yasuo Fukuda (JP)
Yasuo Fukuda (JP)
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Claims: