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:
Jul. 06, 2021
Filed:
Mar. 01, 2019
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/46 (2021.01); H01M 10/0585 (2010.01); H01M 50/531 (2021.01);
U.S. Cl.
CPC ...
H01M 50/46 (2021.01); H01M 10/0585 (2013.01); H01M 50/531 (2021.01);
Abstract
According to one embodiment, a laminate includes a first active material-containing layer, a first film and a second film. The first film includes an inorganic material, and a back surface thereof is in contact with a front surface of the first active material-containing layer. The second film includes organic fibers, and one of front and back surfaces is in contact with a front surface of the first film. An absolute value of a difference between surface roughness Raof the front surface of the first active material-containing layer and surface roughness Raof the back surface of the first film is 0.6 μm or less (including 0).