PRISMATIC ACCUMULATOR
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United States of America Patent
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app pub date -
Dec 18, 2009
filing date -
Jul 2, 2007
priority date (Note) -
Abandoned
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Abstract
A prismatic accumulator includes a first cell vessel having a first-cell plate stack disposed therein and at least one second cell vessel having a second-cell plate stack disposed therein and separated from the first cell vessel by an electrically insulating intermediate wall. At least one first-cell contact connector metal sheet is provided in the first cell vessel and is connected to the intermediate wall and is in contact with the first-cell plate stack. At least one second-cell contact connector metal sheet is provided in the second cell vessel and is in contact with the second-cell plate stack. Each of the contact connector metal sheets is in contact with the associated plate stack via at least one spring tongue, wherein the at least one spring tongue exerts a mechanical pressure on the associated plate stack with a free end that is in contact with the respective plate stack.
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