Battery cell arrangement having thermally conductive, electrically insulating insulating layer, motor vehicle and method for providing battery cell arrangement

A battery cell and layout structure technology, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of weakening the thermal connection between the cell stack and the temperature control equipment, and the inability to eliminate air inclusions, etc.

Pending Publication Date: 2022-07-19
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such gaps in turn weaken the thermal connection of the cell stack to the temperature control device, since air inclusions cannot be excluded in this way, especially when the layer formed of an electrically insulating material is provided as a heat-conducting film

Method used

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  • Battery cell arrangement having thermally conductive, electrically insulating insulating layer, motor vehicle and method for providing battery cell arrangement
  • Battery cell arrangement having thermally conductive, electrically insulating insulating layer, motor vehicle and method for providing battery cell arrangement
  • Battery cell arrangement having thermally conductive, electrically insulating insulating layer, motor vehicle and method for providing battery cell arrangement

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Embodiment Construction

[0037] figure 1 A schematic diagram of a battery cell arrangement 10 having a plurality of battery cells 12 according to an embodiment of the present invention is shown. The battery cells 12 may be combined into a cell group 14 . The cell group 14 here generally defines a group of battery cells 12 arranged adjacent to each other in a first direction (the x-direction shown here). In the present example, the battery cells 12 are designed as prismatic battery cells, but can also be designed as circular cells. Furthermore, the respective cell 12 has, on the respective upper side 16 , cell poles 18 , in particular two cell poles per cell. The lower side 20 of the respective battery cell 12 is arranged opposite the respective upper side 16 .

[0038] Such a cell group 14 may be arranged in the battery housing 22, such as image 3 shown. Such a battery housing 22 has a housing bottom 24 , which in this example is designed as a cooling bottom 24 . In particular, the cooling bott...

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Abstract

The invention relates to a battery cell arrangement (10) having a cell group comprising at least two battery cells (12), an electrically insulating layer (30) being arranged on a first side of the cell group. The insulating layer (30) comprises a film (32), which has, for each of the battery cells (12), a contact region (34) associated with the respective battery cell (12), in which contact region the film (32) is in contact with the respective first side (20) of the associated battery cell (12), the film (32) having at least one intermediate region (36), in which contact region the film (32) is in contact with the respective first side (20) of the associated battery cell (12). And at least one film (32) which is arranged between the contact regions (34) in such a way as to connect the contact regions (34) and is not contacted by the first side (20) of the battery cell (12), the film (32) in each contact region (34) having at least one through-opening (38) which extends from the side of the film (32) facing away from the first side of the cell group to the respective first side (20) of the battery cell (12) and which can be filled with a portion of the heat-conducting substance (28).

Description

technical field [0001] The present invention relates to a battery cell arrangement having a cell group comprising at least two battery cells, the at least two battery cells each having a first side that provides / forms a cell A portion of the first side of the cell group, wherein an electrically insulating insulating layer is disposed on the first side of the cell group. The invention also includes a motor vehicle having such a battery cell arrangement and a method for providing a battery cell arrangement. Background technique [0002] Such a cell group can be accommodated in a battery case. Since the case bottom of the battery case is usually made of a metallic material, and a voltage is also often applied at the cell case of the battery cell, the battery cell must be electrically insulated with respect to the case bottom. At the same time, it is usually provided that a cooling device for cooling the battery cells is realized above the housing bottom. Therefore, it is des...

Claims

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Application Information

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IPC IPC(8): H01M10/653H01M10/6555H01M10/613H01M10/625
CPCH01M10/653H01M10/6555H01M10/613H01M10/625H01M2220/20H01M10/6554H01M50/204H01M50/249
Inventor B·里格尔
Owner AUDI AG
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