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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 12785106 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Dec. 17, 2021

Oxygen channel and collector for air cells, and air cell

Applicant:

National Institute for Materials Science, Tsukuba, JP;

Inventors:

Shoichi Matsuda, Tsukuba, JP;

Eiki Yasukawa, Tsukuba, JP;

Shoji Yamaguchi, Tsukuba, JP;

Hirofumi Kakuta, Tokyo, JP;

Shuntaro Miyakawa, Tokyo, JP;

Assignee:

NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Ibaraki, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Jennifer Dieterle

Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/36 (2006.01); H01M 4/74 (2006.01); H01M 12/08 (2006.01); H01M 4/02 (2006.01); H01M 4/86 (2006.01);
U.S. Cl.
CPC ...
H01M 4/66 (2013.01); H01M 4/36 (2013.01); H01M 4/74 (2013.01); H01M 12/08 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2004/8689 (2013.01);
Abstract

The present invention addresses the problem of providing an oxygen channel for air cells, the oxygen channel having high aperture ratios (specifically, high planar aperture ratio and high cross-sectional aperture ratio), specifically, an oxygen channel for air cells, wherein both the planar aperture ratio and the cross-sectional aperture ratio are 50% or more, preferably 60% or more. The present invention provides an oxygen channel for air cells, the oxygen channel being composed of a structure that comprises two kinds of resin fibers having different fiber diameters in a mesh form, wherein the ratio of the fiber diameter of resin fibers having the larger fiber diameter to the fiber diameter of resin fibers having the smaller fiber diameter is within the range from 1.2 to 7.

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Matsuda, Shoichi. (2026). Oxygen channel and collector for air cells, and air cell (U.S. Patent No. 12785106). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785106

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