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:
Sep. 22, 2026
Filed:
Jan. 11, 2022
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Sadao Fujisaki, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
To provide a secondary battery capable of improving the structural efficiency, the secondary battery includes: an electrode stack; and an outer casing, wherein the outer casing includes a hollow-shaped laminated-film outer casing, and an inner lid disposed at an opening part of the laminated-film outer casing, the inner lid has a protruding part extending from a peripheral portion thereof to an inside of the outer casing, and at least part of the electrode stack is present in an area surrounded by the protruding part, in the stacking direction, a thickness of the inner lid is smaller than a thickness of the electrode stack, and the peripheral portion of the inner lid and part of the laminated-film outer casing are joined to each other to seal the electrode stack in the outer casing, the part overlapping the peripheral portion of the inner lid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile