[1] M. Okamura, “A basic study on power storage systems (translation of Japanese paper by the author with updating comments),”Journal Electrical Engineering in Japan, Vol.115, No.3, pp. 40–51, 1996.
[2] J. Zhao, J. C. Jiang, and L. Y. Niu, “A novel charge equa- lization technique for electric vehicle battery system,” The Fifth International Conference on Power Electronics and Drive Systems, Singapore, 2003.
[3] S. W. Moore and P. J. Schneider, “A review of cell equalization methods for lithiumion and lithium poly- mer battery systems,” SAE Technical Paper Series, pp. 1–5, 2001.
[4] H. D. Li, Z. Y. Feng, and Z. P. Qi, “Study on a fast voltage balancing for supercapacitors,” Chinese Jour- nal of Power Sources, Vol. 37, No. 3, pp. 186–189, 2007.
[5] A. Rufer and P. Barrade, “A supercapacitor-based energy-storage system for elevators with soft commutated interface,” IEEE Transactions on Industry Applications, Vol. 38, No. 5, pp. 1151–1159, 2002.