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Heating device for prismatic battery cell of high-voltage battery of motor vehicle, battery cell, battery module, high-voltage battery and motor vehicle

一种电池单体、高压电池的技术，应用在电热装置、动力装置、电动力装置等方向，能够解决耗费等问题

Pending Publication Date: 2020-11-24
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Positioning such heating foils between the battery cells and making contact with the heating foils is generally very complex

Method used

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  • Heating device for prismatic battery cell of high-voltage battery of motor vehicle, battery cell, battery module, high-voltage battery and motor vehicle
  • Heating device for prismatic battery cell of high-voltage battery of motor vehicle, battery cell, battery module, high-voltage battery and motor vehicle
  • Heating device for prismatic battery cell of high-voltage battery of motor vehicle, battery cell, battery module, high-voltage battery and motor vehicle

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Experimental program
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Embodiment Construction

[0028] In the figures, identical and functionally identical elements are provided with the same reference signs.

[0029] figure 1 A prismatic battery cell 1 according to one embodiment of the invention is shown. A prismatic battery cell 1 can be stacked with a plurality of further battery cells 1 to form a cell stack. The individual battery cells 1 of a cell stack can be interconnected to form a battery module, and several battery modules can in turn be interconnected to form a high-voltage battery for an electrically propellable motor vehicle. The battery cell 1 has a cuboid cell housing 2 with a housing base 3 , a housing cover 4 and a housing circumference 5 . The housing periphery 5 has a plurality of peripheral sides 6 , 7 , 8 , 9 , namely a front side 6 , two side regions 7 , 8 and a rear side 9 opposite the front side 6 . Furthermore, the battery cell 1 has a heating device 10 which is figure 2 Shown in perspective view.

[0030] The heating device 10 has two fla...

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PUM

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Abstract

The invention relates to a heating device (10) for a prismatic battery cell (1) of a high-voltage battery of a motor vehicle comprising two sheet-like heating elements (11, 12) for arranging on two opposite lateral outer sides (6, 9) of a cell housing (2) of the battery cell (1), and two connecting elements (14, 15) for arranging on a housing cover (4) of the cell housing (2), wherein the connecting elements (14, 15) are electrically connected to terminals (16, 17) of the two heating elements (11), the connecting elements (14, 15) are flexibly formed, at least in certain regions, and as a result the heating elements (11, 12) are connected in a hinge-like manner, and the heating device (10) can be arranged by arranging the first heating element (11) on the first lateral outer side (6) of the cell housing (2), swinging the second heating element (12) over the housing cover (4) and arranging the second heating element (12) on the second lateral outer side (9) on the cell housing (2). Theinvention also relates to a battery cell (1), a battery module, a high-voltage battery and a motor vehicle.

Description

technical field [0001] The invention relates to a heating device for a prismatic battery cell of a high-voltage battery of a motor vehicle. The invention also relates to battery cells, battery modules, high-voltage batteries and motor vehicles. Background technique [0002] The focus here is in particular on high-voltage batteries or high-voltage accumulators for electrically driveable motor vehicles, such as electric vehicles or hybrid vehicles. Such high-voltage batteries have a large number of battery cells or storage cells, which are usually stacked to form cell stacks and interconnected to form battery modules. In this case, the maximum power that can be provided by the battery module generally decreases as the operating temperature of the battery cells decreases. In electrically propellable motor vehicles, this results in only a limited drive power being available at low ambient temperatures when starting to drive. It is therefore known from the prior art to equip b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/625H01M10/647H01M10/6551H01M10/6554H01M10/6555H01M10/651B60H1/00H01M10/615H05B3/34H01M10/6571
CPCH05B3/34H05B2203/003H05B2203/013H05B2203/016H01M10/6571H01M10/625H01M10/647H01M10/6555H01M10/651H01M10/615H01M2220/20B60K1/04Y02E60/10Y02T10/70H01M10/6554H05B2203/014
Inventor S·尼恩贝格尔C·鲍尔J·P·施密特
Owner BAYERISCHE MOTOREN WERKE AG
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