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:
Dec. 25, 2007
Filed:
Feb. 02, 2005
Takayuki Aoshima, Kanagawa, JP;
Iwao Soga, Kanagawa, JP;
Mitsuharu Kobayashi, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To improve an impregnation property of an electrolyte and the cycle characteristics, which have been a problem in the case of employing a casing having a variable shape. A lithium secondary cell comprising a casing having a variable shape, and a cell element having a positive electrode, a negative electrode and an electrolyte, sealed in the casing, wherein a compound represented by following formula (1) is contained in the lithium secondary cell:A-X-A  (1)(wherein X is a Group VI element in the periodic table, and Aand Arepresent an aromatic group, provided that Aand Amay be the same or different, and may be connected each other to constitute a ring.)