Title: Cathode active material and lithium ion secondary battery
Application Number: 200610169092 Application Date: 2006.12.20
Publication Number: 1988222 Publication Date: 2007.06.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01M4/58;H01M4/48;H01M4/62;H01M2/16;H01M10/40
Applicant(s) Name: Sony Corp. Address:
Inventor(s) Name: Tokunaga Takashi;Obana Yoshiaki;Akashi Hiroyuki
Attorney & Agent: zhangdie dong linsen
Abstract:
    A lithium ion secondary battery is provided. The battery includes a positive electrode having at least a cathode active material and a binder, a negative electrode, an electrolyte, and a separator which are arranged between the positive electrode and the negative electrode, and in which an open circuit voltage per unit cell in a full charging state lies within (4.25V
Time: 10
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