Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8172
Title: An improved battery characterization method using a two-pulse load test
Authors: Coleman, M
Hurley, WG
Lee, CK
Keywords: Lead acid batteries
Lithium
Testing
Battery characterization method
Discharging cycles
Lithium ion battery
State of charge
State of health
Stratification effects
Sulphation effects
Two-pulse load test
Valve regulated lead acid
AHC capacity
Lead-acid battery
State of charge (SoC)
State of health (SoH)
Issue Date: 2008
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on energy conversion, 2008, v. 23, no. 2, p. 708-713 How to cite?
Journal: IEEE transactions on energy conversion 
Abstract: It is very important to have the ability to determine the available capacity, the state of charge (SoC), and the state of health (SoH) of a battery; this ensures that the battery has the available power for the system requirements. A battery is aged by charging and discharging cycles; this process degrades the chemical composition of the battery. An undercharged battery has sulphation and stratification effects that shorten the lifetime of the battery. Overcharging causes gassing and water loss. This paper describes a novel two-pulse test to determine the AHC, SoC, and SoH of a valve regulated lead acid (VRLA) and a lithium ion battery. These parameters are related to the voltage drop after each pulse of current discharge. The first pulse stabilizes the battery relative to its previous history, and the second pulse establishes the parameters. The new approach is fully validated by experiment.
URI: http://hdl.handle.net/10397/8172
ISSN: 0885-8969
EISSN: 1558-0059
DOI: 10.1109/TEC.2007.914329
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