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. 22, 2002
Filed:
Jan. 27, 1998
Kouji Hamano, Tokyo, JP;
Sei Tsunoda, Tokyo, JP;
Yasuhiro Yoshida, Tokyo, JP;
Michio Murai, Tokyo, JP;
Takayuki Inuzuka, Tokyo, JP;
Shigeru Aihara, Tokyo, JP;
Hisashi Shiota, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a practical thin type lithium ion secondary battery having a excellent safety and charge-discharge properties. A lithium ion secondary battery comprising a positive electrode a negative electrode a separator retaining an electrolytic solution, and an adhesive resin layer which connects said positive electrode and negative electrode to said separator characterized in that said adhesive resin layer comprises a polyvinylidene fluoride and an ionically-conducting polymer compound incorporated therein.