Battery analysis system

Details Battery analysis system Battery analysis system

2011-08-30

2011-08-30

Ledynh, Bot (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

Regulated discharging

C320S128000

Reexamination Certificate

active

08008893

ABSTRACT:
A battery analysis system includes a control module, a measurement module, and a pulse power module. The control module controls current to a battery to one of charge and discharge the battery. The measurement module determines N voltages across the battery at N times during a period when the control module controls the current and when the battery is at a predetermined temperature and a predetermined state of charge. N is an integer greater than 1. The pulse power module determines N resistances corresponding to the current and the N voltages across the battery and determines a pulse power value of the battery based on the N resistances. The pulse power value indicates a dynamic power of the battery to one of charge and discharge.

REFERENCES:
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patent: 7902828 (2011-03-01), Huang
patent: 2004/0012373 (2004-01-01), Sakakibara et al.
patent: 2008/0120050 (2008-05-01), Iwane et al.
Electropaedia; “Battery and Energy Technologies” (State of Charge (SOC) Determination) Woodbank Communications Ltd. 2005; pp. 1-13; http:/www.mpoweruk.com/soc.htm.
“PNGV Battery Test Manual”, DOE/ID-10597, Revision 3; Published Feb. 2001; Prepared for the US Department of Energy, Assistant Secretary for Energy Efficiency and Renewable Energy (EE) Idaho Operations Office, Contract DE-AC07-99ID13727; 126 Pages.

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