Battery having a connecting element comprising multiple individual wires

A technology for connectors and batteries, which is applied in the direction of batteries, connections, battery pack components, etc., can solve the problems of large weight and cost, and achieve the effect of simple assembly, simple connection, and good conductive connection

Active Publication Date: 2014-11-12
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Method used

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  • Battery having a connecting element comprising multiple individual wires
  • Battery having a connecting element comprising multiple individual wires
  • Battery having a connecting element comprising multiple individual wires

Examples

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Embodiment Construction

[0039] figure 1 A battery 10 is shown schematically, which can be used as a traction battery in an electric vehicle or a hybrid vehicle. The battery 10 includes a plurality of battery cells 12 , which can be designed in particular as lithium-ion battery cells. The electrodes 14 of the respective battery cells 12 are electrically connected to one another by means of connecting elements in the form of flat litz wires 16 . The flat litz wire 16 has a plurality of individual wires 18 which, due to their flexibility, can compensate deviations between the actual position and the target position of the battery cells 12 in all spatial directions.

[0040] In the regularly spaced connection regions 20 the individual wires 18 of the flat litz wire 16 are gathered together, that is to say combined into a solid unit. This distance corresponds here to the distance between the electrodes 14 of the battery cells 12 in the battery cell group of the battery 10 . In this case, the flat litz ...

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Abstract

The invention relates to a battery (10), in particular for a vehicle, having at least two battery cells (12) and having at least one connecting element (16) that connects at least one electrical terminal (14) of a first battery cell (12) to an electrical terminal (14) of at least one further battery cell (12). The connecting element (16) comprises a plurality of individual wires (18) that are compacted in a respective connecting area (20). The connecting element (16) is in contact with the respective electrical terminal (14) of the battery cell (12) in the respective connecting area (20) of said connecting element. The invention further relates to a method for making such a battery (10).

Description

technical field [0001] The present invention relates to a battery comprising a plurality of battery cells and at least one connector connecting electrodes of a first battery cell with electrodes of other battery cells. The connecting element comprises a plurality of individual wires / individual wires, which are gathered / compressed in the corresponding connection region. Furthermore, the invention relates to a method for producing such a battery. Background technique [0002] Electrochemical energy stores in the form of batteries, usually in the form of lithium-ion batteries, are used today in electric and hybrid vehicles. In order to achieve a sufficient power and capacity of the battery, a plurality of battery cells are connected in series and in parallel. The battery can also comprise a plurality of battery modules, in which in turn a plurality of battery cells are arranged in series and / or parallel connection. [0003] The battery cells are connected to each other or el...

Claims

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Application Information

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IPC IPC(8): H01M2/20H01M50/516H01M50/522
CPCH01M2220/20H01M2/206H01M50/522H01M50/516Y10T29/49174Y10T29/49194Y02E60/10Y02P70/50H01R43/02H01R43/28
Inventor T·鲍勒塞尔
Owner AUDI AG
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