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:
Feb. 09, 2010
Filed:
Dec. 13, 2003
Sung-min Kim, Yongin-si, KR;
Hee-young Lee, Anyang-si, KR;
Yong-ho Jung, Suwon-si, KR;
Heui-soo Kim, Seoul, KR;
Sung-chul Park, Seoul, KR;
Ha-young Lee, Suwon-si, KR;
Eun-sil Kim, Suwon-si, KR;
Sung-Min Kim, Yongin-si, KR;
Hee-Young Lee, Anyang-si, KR;
Yong-Ho Jung, Suwon-si, KR;
Heui-Soo Kim, Seoul, KR;
Sung-Chul Park, Seoul, KR;
Ha-Young Lee, Suwon-si, KR;
Eun-Sil Kim, Suwon-si, KR;
Ness Cap Co., Ltd., Suwon-si, KR;
Abstract
Disclosed are an electric energy storage device having a good cycle characteristic and a temperature characteristic and a method of charging and discharging the electric energy storage device. The electric energy storage device including a capacitor and a secondary battery combined in series is provided. When the capacitor of the electric energy storage device is an electric double layer capacitor, the capacitor is used to the voltage of OV or less to increase an available energy usage.