Battery unit with a plurality of battery cells and battery module with a plurality of such battery units

A technology of battery cells and battery cells, applied to small-sized batteries/battery packs, electrical components, secondary batteries, etc., can solve problems such as unfavorable weight distribution, achieve good distribution, good weight distribution, and improve deformability Effect

Active Publication Date: 2016-01-27
ROBERT BOSCH GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of the battery cells and battery modules known from the prior art, in particular in terms of design, is the installation space for the means of electrical consumers, which are to be operated with the electrical energy provided by the battery cells or battery modules mechanism
[0006] In addition, especially for hybrid vehicles, plug-in hybrid vehicles or electric vehicles, there is th

Method used

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  • Battery unit with a plurality of battery cells and battery module with a plurality of such battery units
  • Battery unit with a plurality of battery cells and battery module with a plurality of such battery units
  • Battery unit with a plurality of battery cells and battery module with a plurality of such battery units

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[0033] exist figure 1 The battery unit 1 shown in FIG. 2 comprises a plurality of battery cells 2 each having a first electrode 3 and a second electrode 4 for making electrical contact with the respective battery cell 2 . In the described example, in figure 1 The battery cell 2 shown in is designed as a circular cell, preferably as a lithium-ion cell. In particular, so-called 18650 cells are designed as battery cells.

[0034] In this case, the battery cells 2 are electrically connected to one another via a cell connection device 5 . In this case, the cell connection device 5 contacts the first electrode 3 of the battery cell 2 and the second electrode 4 of the other battery cell 2 respectively. Thus, the battery cells 2 are electrically connected in series. The interconnected battery cells 2 are surrounded by a casing 6 which brings them together. In this case, the housing 6 is designed in the form of a tube and is made of a flexible plastic material. The battery cells ...

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Abstract

The present invention relates to a battery unit (1) comprising a plurality of battery cells (2) each having a first electrode (3) and a second electrode (4) for electrically contacting the respective battery cell (2), wherein the battery cells (2) through cell connectors (5) are electrically connected to each other and the interconnected battery cells (2) are enclosed by an outer casing (6) integrating the battery cells (2) together, the cell connectors (5) comprise at least one flexible molded portion and the outer casing (6) at least partially is flexible, such that the battery unit (1) is deformable according to the change of the relative structure of the battery cells (2). Furthermore, the invention relates to a battery module having a plurality of electrically connected battery units (1).

Description

technical field [0001] The invention relates to a battery unit comprising a plurality of battery cells each having a first electrode and a second electrode for making electrical contact with a corresponding battery cell, wherein the battery cells are connected via a cell The cell connection means are electrically connected to each other, and the interconnected battery cells are surrounded by a housing that brings the battery cells together. [0002] The invention also relates to a battery module having a plurality of battery cells electrically connected to one another. Background technique [0003] Battery cells having a plurality of electrochemical cells electrically connected to one another are known in various configurations from the prior art. Furthermore, battery modules are known which have a plurality of interconnected battery cells, wherein the battery cells are usually arranged in a housing as a housing. In particular, lithium-ion cells are preferably used as batt...

Claims

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Application Information

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IPC IPC(8): H01M2/26H01M10/48H01M2/02H01M10/613H01M50/107H01M50/213H01M50/278H01M50/503H01M50/51H01M50/522H01M50/531
CPCH01M10/482H01M50/531H01M50/107H01M50/51H01M50/503H01M50/278H01M50/213H01M50/522H01M10/6567Y02E60/10
Inventor A.格拉泽T.克格尔H.赖因沙根T.克雷奇马尔S.霍雷
Owner ROBERT BOSCH GMBH
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