Sughrue Mion, PLLC
Electric energy storage device and method of charging and discharging the same
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.
Ness Cap Co., Ltd.
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H02J H02J H02J
inventional inventional inventional
Sung-Min Ha-Young Sung-Chul Hee-Young Yong-Ho Heui-Soo Eun-Sil
Kim Lee Park Lee Jung Kim Kim