2007 年 5 巻 2 号 p. 1055-1060
The Energy Storage System (herein after referred as ESS) consists of batteries and/or ultra-capacitors and BMS. Different type of EVs need different ESS. ESS is the key to the future of EV including PEV and HEV. The paper will present the current status and the future of ESS for PEV and HEV separately.