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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11223069 B1

PDFFull Text
Date of Patent:
Jan. 11, 2022

Filed:

Apr. 26, 2012

Surface-treated steel sheet for battery cases, battery case and battery

Applicants:

Tatsuo Tomomori, Yamaguchi, JP;

Eiji Yamane, Yamaguchi, JP;

Shinichirou Horie, Yamaguchi, JP;

Koh Yoshioka, Yamaguchi, JP;

Inventors:

Tatsuo Tomomori, Yamaguchi, JP;

Eiji Yamane, Yamaguchi, JP;

Shinichirou Horie, Yamaguchi, JP;

Koh Yoshioka, Yamaguchi, JP;

Assignee:

TOYO KOHAN CO., LTD., Tokyo, JP;

Attorney:

Muncy, Geissler, Olds & Lowe, P.C.

Primary Examiner:

Barbara L Gilliam

Assistant Examiner:

Nathanael T Zemui

Int. Cl.
CPC ...
H01M 10/28 (2006.01); C25D 5/50 (2006.01); H01M 50/116 (2021.01); H01M 50/124 (2021.01); C25D 5/14 (2006.01); H01M 10/30 (2006.01); C25D 3/56 (2006.01); C25D 3/12 (2006.01);
U.S. Cl.
CPC ...
H01M 10/28 (2013.01); C25D 5/14 (2013.01); C25D 5/50 (2013.01); H01M 50/116 (2021.01); H01M 50/124 (2021.01); C25D 3/12 (2013.01); C25D 3/562 (2013.01); H01M 10/30 (2013.01); H01M 50/1245 (2021.01); H01M 2300/0014 (2013.01);
Abstract

A surface-treated steel sheet for battery cases is provided which comprises a nickel-cobalt alloy layer formed at the outermost surface of a plane to be an inner surface of a battery case, wherein a Co/Ni value at the surface of the nickel-cobalt alloy layer is within a range of 0.1 to 1.5 as determined by Auger electron spectroscopy analysis.

Find Patent Forward Citations

Tomomori, Tatsuo. (2022). Surface-treated steel sheet for battery cases, battery case and battery (U.S. Patent No. 11223069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11223069

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