Protection device using 1S circuits, for a battery assembly of electrochemical cells
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United States of America Patent
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Jan 4, 2005
Grant Date -
Jun 24, 2004
app pub date -
Jul 10, 2003
filing date -
Jul 11, 2002
priority date (Note) -
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Abstract
A battery assembly comprises at least two electrochemical cell modules (1-i) connected in series and each comprising at least one electrochemical cell (2), associated with a protection device comprising as many primary protection blocks (5-i) as there are electrochemical cell modules (1-i), each block (5-i) being connected in parallel with a respective one of the electrochemical cell modules (1-i) and comprising at least one 1S type electronic protection circuit (6) and a diode (7) connected in parallel with the 1S circuit and upstream therefrom relative to the current flow direction.
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