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:
Apr. 02, 2019
Filed:
Mar. 18, 2015
Sanyo Electric Co., Ltd., Daito-shi, Osaka, JP;
Atsushi Ueda, Osaka, JP;
SANYO Electric Co., Ltd., Daito-shi, JP;
Abstract
A nonaqueous electrolyte secondary battery including an electrode assembly the electrode assembly being fastened with a rectangular or square fixing tape applied to cover the end of the coil, the side of the fixing tape in contact with the electrode assembly including self-adhesive portions having a pressure-sensitive adhesive and a non-adhesive portion having no pressure-sensitive adhesive, the self-adhesive portions being disposed at both ends of the non-adhesive portion in the direction of the width of the fixing tape so that the non-adhesive portion is interposed between the self-adhesive portions, the battery satisfying 0.9≤Wb/Wa≤1 and 0.35≤Wc/Wa≤0.8 wherein Wa is the height of the electrode assembly, Wb is the width of the fixing tape and Wc is the width of the non-adhesive portion.