Energy storage unit

US20110189526A1Inactive Publication Date: 2011-08-04SAMSUNG SDI CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
SAMSUNG SDI CO LTD
Publication Date
2011-08-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

An energy storage unit for storing electrical energy comprises a plurality of stacked flat cells, each having protruding electrodes. A cooling body of the energy storage unit is heat-conductively connected, at least in sections, to the flat cells. The cooling body at least partially consists of a plastic material and has openings through which the electrodes extend.
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Description

BACKGROUND OF THE INVENTION

[0001] The present invention relates to an energy storage unit for storing electrical energy comprising a plurality of stacked flat cells, each having protruding electrodes.

[0002] Energy storage units comprising a stack of flat cells (so-called prismatic cells or pouch cells) are used, for example, in electrically driven motor vehicles. Due to the high voltages and current intensities occurring during operation, considerable heat amounts can develop which have to be dissipated in order to avoid overheating of the energy storage unit. However, the cooling devices used conventionally for heat dissipation are expensive and require relatively much construction space, which especially in the field of automobile engineering is very limited.

[0003] It is therefore an object of the invention to provide heat dissipation for energy storage units of the above-mentioned type in a manner which is as efficient and as compact as possible.SUMMARY OF THE INVENTION

[0004] This ob...

Claims

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