Group testing of lead-acid batteries for electric vehicles

Conference · Sun Jan 01 00:00:00 EST 1989

OSTI ID:6487014

Burke, A F; Hardin, J E

This study was concerned with the module variability of three lead-acid battery packs--namely, 120 V ALCO 2200, 108 V EV-2300, and 96 V Gel/Cell batteries. Each battery pack was discharged for a range of constant powers and over The Simplified FUDS. A microcomputer-based (IBM XT) data acquisition system was used to obtain module and pack voltage data at selected times during the discharges. For each time Lotus 1-2-3 software was used to determine the average, maximum and minimum module voltages and the standard deviation (STD) of the module voltages. It was found that the STD varied from a minimum of about 0.015 V to a maximum of 0.5 V for the batteries tested. The module variability of the ALCO 2200 batteries was much smaller than that of the EV-2300 batteries at all states-of-charge and currents up to 400 A. The Phase 3 Gel/Cells had module variability comparable to that of the ALCO 2200 for SOC > 40%, but the variability of the Gel/Cells increased rapidly at lower states-of-charge. The module variabilities resulted in differences in module capacities of up to 12% for discharge schedules requiring high power (400 A). 3 refs., 11 figs., 1 tab.

• Research Organization: EG and G Idaho, Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-76ID01570
• OSTI ID: 6487014
• Report Number(s): EGG-M-88466; CONF-890160-1; ON: DE89005415
• Resource Relation: Conference: Battery conference on application and advances, Long Beach, CA, USA, 17 Jan 1989; Other Information: Paper copy only, copy does not permit microfiche production
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
25 ENERGY STORAGE
LEAD-ACID BATTERIES
TESTING
COMPUTER ARCHITECTURE
DATA ACQUISITION
DATA ACQUISITION SYSTEMS
DATA ANALYSIS
ELECTRIC-POWERED VEHICLES
NUMERICAL DATA
DATA
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
INFORMATION
VEHICLES
330300* - Advanced Propulsion Systems- Electric-Powered Systems
250900 - Energy Storage- Batteries