1[1]Lindemark B.Maintenance of batteries new trends in batteries and automatic battery charging[C].INTEL EC Conf Proceedings,1986:355-360.
2[2]Kutkut N H.A modular non dissipative current diverter for EV battery charge equalization[C].APEC' 98 Conference Proceedings.Anaheim,1998,1:510-515.
3[3]Kim Kwang Heon.Time sharing charge equalization for series connected battery strings[C].Proceedings ICPE' 95,Seoul,1995:331-336.