COPPER FOIL PROVIDED WITH CHROMATE FILM FOR NEGATIVE ELECTRODE CURRENT COLLECTOR, AND NEGATIVE ELECTRODE MATERIAL USING THE COPPER FOIL PROVIDED WITH CHROMATE FILM FOR NEGATIVE ELECTRODE CURRENT COLLECTOR

United States of America Patent

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Issued Date
May 8, 2014
app pub date
Apr 10, 2012
filing date
Apr 12, 2011

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Abstract

An object of the present invention is to eliminate deviation in the quality of a chromate film provided on a copper foil for a negative electrode current collector to eliminate fluctuation of electric capacity in a lithium ion secondary battery.

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Patent Owner(s)

Patent Owner	Address
MITSUI MINING & SMELTING CO LTD	1-11-1 OSAKI SHINAGAWA-KU TOKYO 1418584

International Classification(s)

H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Maeda, Tomoyuki	Saitama, JP	166	1542
Tabira, Yasunori	Saitama, JP	20	82
Tomonaga, Sakiko	Tokyo, JP	11	56

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COPPER FOIL PROVIDED WITH CHROMATE FILM FOR NEGATIVE ELECTRODE CURRENT COLLECTOR, AND NEGATIVE ELECTRODE MATERIAL USING THE COPPER FOIL PROVIDED WITH CHROMATE FILM FOR NEGATIVE ELECTRODE CURRENT COLLECTOR

Number of patents in Portfolio can not be more than 2000

United States of America Patent

14110778

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14110778

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