Stress management of battery recharge, and method of state of charge estimation
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United States of America Patent
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Oct 18, 2011
Grant Date -
Nov 11, 2004
app pub date -
May 14, 2002
filing date -
May 14, 2001
priority date (Note) -
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Abstract
One or more cells are charged by measuring one or more cell parameters or changes in said cell parameters, inputting the measured cell parameter(s) or changes in cell parameters into a state of charge estimation model, obtaining a state of charge of the cell(s) from the state of charge estimation model, selecting an allowable temperature rise for the cell(s), determining a charge parameter in accordance with the state of charge of the cell(s) and in accordance with the selected allowable temperature rise for the cell(s), and supplying energy to the cell(s) in accordance with the determined charge parameter. The invention may be embodied as methods, apparatus and computer program products.
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