Title :
Battery management for hybrid electric vehicle and telecommunication applications
Author_Institution :
Total Battery Manage. Inc., Chamblee, GA, USA
Abstract :
Severe battery operating conditions in hybrid electric vehicle and telecommunication applications create challenges for advanced battery management. Information about a battery´s open circuit voltage and internal resistance is used for charging nickel-metal hydride batteries with recognition of 80-90% state of charge, and switching to lower current at this point. Charge management of lithium-ion batteries includes touching maximum charging voltage (instead of staying under it) and shunt (short) recognition. Discharge management of both battery chemistries contains flexible voltage cut off and recognition of remaining operation time
Keywords :
electric vehicles; lithium; nickel; secondary cells; telecommunication power supplies; Li; Li-ion batteries; Ni-MH batteries; battery chemistries; battery internal resistance; battery management; battery open circuit voltage; battery operating conditions; charge management; discharge management; flexible voltage cut off; hybrid electric vehicle applications; maximum charging voltage; nickel-metal hydride batteries; telecommunication applications; Battery management systems; Charge measurement; Chemistry; Current measurement; Hybrid electric vehicles; Nickel; Production; Telecommunication switching; Temperature; Voltage;
Conference_Titel :
Battery Conference on Applications and Advances, 2002. The Seventeenth Annual
Conference_Location :
Long Beach, CA
Print_ISBN :
0-7803-7132-1
DOI :
10.1109/BCAA.2002.986405
