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. 07, 2015
Filed:
Jul. 20, 2011
Yuichi Takatsuka, Hitachinaka, JP;
Katsunori Suzuki, Nabari, JP;
Sho Matsumoto, Hitachinaka, JP;
Kenji Nakai, Mito, JP;
Tatsuhiko Kawasaki, Hitachinaka, JP;
Hirofumi Takahashi, Hitachi, JP;
Yoshio Onodera, Hitachinaka, JP;
Yuichi Takatsuka, Hitachinaka, JP;
Katsunori Suzuki, Nabari, JP;
Sho Matsumoto, Hitachinaka, JP;
Kenji Nakai, Mito, JP;
Tatsuhiko Kawasaki, Hitachinaka, JP;
Hirofumi Takahashi, Hitachi, JP;
Yoshio Onodera, Hitachinaka, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Abstract
The present invention is a secondary battery, including: an electrode group that includes a positive electrode and a negative electrode, an electrolyte, and a battery cell container that contains the electrode group and the electrolyte and that is sealed, wherein: an adhesive layer for trapping foreign matter present inside the battery cell container is disposed in the battery cell container by exposing at least part of the adhesive layer so as to allow the adhesive layer to come into contact with the electrolyte.