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:
Nov. 30, 2004
Filed:
Jan. 02, 2001
Applicant:
Inventors:
Shigeo Kurose, Saku, JP;
Tadayoshi Iijima, Saku, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 6/14 ;
U.S. Cl.
CPC ...
H01M 6/14 ;
Abstract
An electrolyte for a nonaqueous electrolyte battery having improved charge and discharge characteristics such as discharge capacity and charge/discharge cycle life and the like. The electrode comprises an electrode active material layer including at least a positive electrode active material, a conductive agent and a binder. The crushed, expanded graphite is used as the conductive agent. The crushed expanded graphite preferably has a median particle diameter of 0.1 to 40 &mgr;m. The quantity of the conductive agent in the electrode active material layer is preferably 0.1 to 15% by weight.