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.:
Date of Patent:
Oct. 07, 2025
Filed:
Mar. 06, 2020
Applicant:
Furukawa Co., Ltd., Tokyo, JP;
Inventors:
Tetsuya Matsubara, Tsukuba, JP;
Tatsushi Yoshida, Tsukuba, JP;
Motoshi Tamura, Tsukuba, JP;
Kazutomi Yamamoto, Tsukuba, JP;
Assignee:
FURUKAWA CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); C01B 21/06 (2006.01); H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
C01B 21/061 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); C01P 2002/72 (2013.01); H01M 2300/0068 (2013.01);
Abstract
Provided is a lithium nitride composition for a sulfide-based inorganic solid electrolyte material including α-lithium nitride, wherein in a spectrum obtained by X-ray diffraction in which a CuKα ray is used as a radiation source, when a diffraction intensity of a diffraction peak present at a position of a diffraction angle 2θ=23.0±0.3° is represented by Iand a diffraction intensity of a diffraction peak present at a position of a diffraction angle 2θ=32.0±0.3° is represented by I, a value of I/Iis 4.50 or lower.