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.

Date of Patent:
Sep. 12, 2023

Filed:

Dec. 24, 2019
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Koma Numata, Osaka, JP;

Masatoshi Majima, Osaka, JP;

Mitsuyasu Ogawa, Osaka, JP;

Kazuki Okuno, Osaka, JP;

Naho Mizuhara, Osaka, JP;

Ryoko Kanda, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 8/0232 (2016.01); C22C 19/03 (2006.01); H01M 8/0236 (2016.01); H01M 8/0241 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0232 (2013.01); C22C 19/03 (2013.01); H01M 8/0236 (2013.01); H01M 8/0241 (2013.01);
Abstract

A porous body includes a framework having a three-dimensional network structure, the framework having a body including crystal grains including nickel and cobalt as constituent elements, the cobalt having a proportion in mass of 0.2 or more and 0.8 or less with respect to a total mass of the nickel and the cobalt, the crystal grains having a shorter grain diameter of 2 μm or more, as determined in a first observed image obtained by observing the body of the framework in cross section at a magnification of 200 times.


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