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Storage module having heating means

A storage module and storage unit technology, applied in the direction of structural parts, sustainable manufacturing/processing, batteries, etc., can solve the problems of power loss and reduction of the range of action, and achieve the effects of energy efficiency, weight efficiency, and structural space efficiency

Inactive Publication Date: 2019-02-05
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the provision of a dedicated heating system requires a relatively large installation space in the storage module and is associated with additional costs and additional weight
In addition, the operation of a dedicated heating system leads to a loss of electrical energy and thus to a reduction in the range of the electrically driven vehicle

Method used

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Examples

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Embodiment Construction

[0025] As stated at the outset, the present application relates to the provision of an energy-efficient, installation-space-efficient, weight-efficient and cost-effective heating device for an electrical storage module, in particular for storing electrical energy for driving a road vehicle.

[0026] FIG. 1a shows an exemplary memory module 100 including a plurality of memory cells 110. In the example shown, in each case two storage cells 110 are arranged in parallel with one another via contact bridges 103 (in particular to increase the capacity of the storage module 100 ). Furthermore, groups of memory cells 110 connected in parallel are connected in series (in particular to increase the rated voltage of the memory module 100 ).

[0027] as in Figure 1a with 1b As shown in , the storage unit 110 has a battery roll 115 surrounded by an insulating layer 114 and a (typically metallic) battery cup 113 . Furthermore, memory cell 110 has a positive terminal 111 and a negative te...

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PUM

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Abstract

The invention relates to a storage module (100) for storing electrical energy. The storage module (100) comprises a first storage cell (110) and a second storage cell (110), each having a positive connection (111) and a negative connection (112). In addition, the storage module (100) comprises a contact bridge (104), which connects one connection (111, 112) of the first storage cell (110) to one connection (111, 112) of the second storage cell (110) in an electrically conductive manner. The contact bridge (104) is designed to reduce an electrical resistance (202) between the electrically connected connections (111, 112) of the first storage cell (110) and of the second storage cell (110) with rising temperature (201).

Description

technical field [0001] The invention relates to a storage module comprising a plurality of storage units and means for heating the storage units. Background technique [0002] Storage modules are used, for example, in vehicles in order to store electrical energy for driving the vehicle. A memory module typically has a plurality of memory cells (for example lithium-ion-based memory cells), which are coupled to one another in series and / or in parallel, depending on the voltage and / or capacity requirements. [0003] The electrical power that can be received or discharged by a memory module typically decreases with the temperature of the memory module. This can lead, for example, to a limitation of the available drive power of the vehicle when the vehicle is started cold in winter. [0004] The storage module can therefore have a dedicated heating system, as described for example in US 2013 / 0323548 A1, in order to increase the temperature of the storage module. In this way, r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M2/20H01M2/30H01M10/052H01M10/625H01M10/615H01M10/637H01M10/6571H01M50/209H01M50/505H01M50/51H01M50/522
CPCH01M2220/20H01M10/625H01M10/615H01M10/6571H01M10/637Y02P70/50Y02E60/10H01M50/522H01M50/209H01M50/51H01M50/505H01M10/0481
Inventor J·希尔丁格C·库尔普M-T·艾泽勒
Owner BAYERISCHE MOTOREN WERKE AG
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