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Housing used for at least a battery module or battery system, and battery pack with a housing surrounding battery system

A technology of a battery system and a battery module, applied in the field of a casing for at least one battery module or battery system and a battery pack with a casing surrounding the battery system, capable of solving problems such as short circuit and corrosion damage

Inactive Publication Date: 2015-07-22
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The problem with the solution according to publication DE 10 2008 034 698 A1 and the solution according to publication DE 10 2009 032 463 A1 is that the moisture released during regeneration of the drying medium settles into the battery system or battery module components and thus there is a risk of corrosion damage or short circuits

Method used

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  • Housing used for at least a battery module or battery system, and battery pack with a housing surrounding battery system
  • Housing used for at least a battery module or battery system, and battery pack with a housing surrounding battery system
  • Housing used for at least a battery module or battery system, and battery pack with a housing surrounding battery system

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Experimental program
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Effect test

Embodiment Construction

[0037] exist figure 1 shows a housing 1 in which two battery modules 2 are arranged. The housing 1 is here designed essentially airtight, so that advantageously no moisture, or at least hardly any moisture, can penetrate into the closed housing 1 .

[0038] The housing 1 has a pressure compensation valve 6 . The pressure compensation valve 6 advantageously opens when the pressure difference between the air pressure inside the housing 1 and the air pressure outside the housing 1 exceeds a defined value, for example 100 mbar. This can occur, for example, during mountain driving when the housing 1 is used in a vehicle. A gas exchange between the interior of the housing 1 and the outer periphery of the housing 1 can take place here via the open pressure compensation valve 6 .

[0039] The battery modules 2 arranged in the housing 1 each comprise a plurality of prismatically configured rechargeable lithium-ion cells 7 which are arranged next to each other and are electrically co...

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Abstract

The invention relates to a housing (1) used for at least a battery module (2) or a battery system. The housing comprises at least a drying unit (3) which is arranged in the housing (1). The drying unit is provided with a drying medium (4) which absorbs moisture. The housing also comprises at least a thermoregulation unit (5) used to regenerate the drying medium (4), and at least a control device (13). The control device is configured to control regeneration of the drying medium (4). The housing (1) comprises at least a valve (6). The valve has a fist state and a second state. The valve (6) basically closes the housing (1) in the first state in an airtight manner, and in the second state, the valve (6) can realize that moisture emitted in regeneration of the drying medium (4) discharges from the housing (1). In addition, the invention relates to a battery pack, which has the battery system and the housing (1) surrounding the battery system.

Description

technical field [0001] The invention relates to a housing for at least one battery module or battery system, the housing comprising at least one drying unit arranged within the housing, the drying unit having a moisture-absorbing drying medium; the housing The body also includes at least one temperature control unit for regenerating the drying medium and at least one control device, which is designed to control the regeneration of the drying medium. [0002] Furthermore, the invention relates to a battery pack having a battery system and a housing surrounding the battery system. Background technique [0003] To provide the energy required to operate a hybrid, plug-in hybrid or electric vehicle, a battery system is used. These battery systems usually have a plurality of battery cells, in particular rechargeable lithium-ion cells, which are electrically connected to one another. The battery cells are usually electrically connected to each other to form so-called battery modu...

Claims

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Application Information

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IPC IPC(8): H01M2/02H01M2/10H01M10/613H01M2/36B01D53/26H01M50/10H01M50/209H01M50/24H01M50/609
CPCB01D53/26H01M50/30H01M50/209H01M10/613H01M10/4207H01M10/625H01M10/663H01M10/6569B01D53/0454B01D53/261B01D53/28B01D2251/404B01D2251/408B01D2251/602B01D2253/106B01D2253/108B01D2253/1124B01D2255/209B01D2257/80B01D2259/40096Y02E60/10H01M50/308H01M50/24H01M50/691
Inventor M.哈尔德M.海德曼C.舒普A.伦克M.朱奇尼
Owner ROBERT BOSCH GMBH
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