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Pouch-cell battery arrangement and corresponding production method and use

一种蓄电池装置、蓄电池的技术，应用在电动力装置、二次电池、动力装置等方向，能够解决体积增加等问题

Active Publication Date: 2011-11-23
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a considerable increase in volume for a pouch cell battery arrangement like this one compared to the pouch cell battery itself

Method used

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  • Pouch-cell battery arrangement and corresponding production method and use
  • Pouch-cell battery arrangement and corresponding production method and use
  • Pouch-cell battery arrangement and corresponding production method and use

Examples

Experimental program
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Embodiment Construction

[0040] specific implementation plan

[0041] Figure 1a , Figure 1b to Figure 3a , Figure 3b In each case (a) in a plan view and (b) in a section along the line A-A, several schematic diagrams are shown in order to illustrate a first embodiment of the pouch cell battery arrangement according to the invention and its production.

[0042] exist Figure 1a , Figure 1b In , reference numeral 10 designates a pouch cell battery having a substantially rectangular pouch 22 of a flexible plastic film material, on the end faces of which electrode connection areas 10a, 10b are provided.

[0043] as from Figure 1b As can be seen in the figure, the bag 22 is joined together by adhesive bonding or weld seams 2 at its side edges. The opposing major surfaces H of bag 22 have a corrugated irregular shape. Reference numeral 12 designates an electrode arrangement which is provided in a pouch 22 and surrounded by an electrolyte, which is not shown here.

[0044] Such as Figure 2a , ...

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PUM

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Abstract

The present invention provides a pouch-cell battery arrangement and a corresponding production method and use. The pouch-cell battery arrangement has a shrink sleeve covering (50) which surrounds the pouch (22) at least in places in an interlocking manner.

Description

technical field [0001] The invention relates to a pouch cell battery arrangement and to a corresponding production method, as well as to its use. Background technique [0002] Although, in principle, any desired pouch-cell battery arrangement can be used, the invention and the problems on which it is based will be described with reference to a lithium-ion pouch-cell battery arrangement. [0003] Lithium-ion accumulators must be sealed in such a way that they are virtually impermeable to moisture and oxygen in order to avoid undesired reactions with the electrolyte. Therefore, the cells of a lithium-ion battery are usually enclosed in a film bag. [0004] While pouch cell batteries sealed in this manner have numerous advantages, they are more susceptible to damage than cells enclosed in rigid housings. [0005] Furthermore, such pouch cell accumulators suffer from the problem that the outer edge regions or edges of such pouches are not sufficiently electrically insulated. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04B60L11/18H01M50/121H01M50/124H01M50/55
CPCB60K2001/005H01M2/0212H01M2/0287Y02E60/12H01M2/0267H01M10/5057H01M2/0292H01M10/5053H01M2/0217H01M10/5032H01M2/021H01M2/0275H01M10/5004H01M10/647H01M10/6556H01M10/6554H01M10/613Y02E60/10H01M50/103H01M50/124H01M50/1245Y02P70/50H01M50/121H01M50/55H01M10/6563
Inventor D·拉培R·鲍尔H·乔杜拉G·周
Owner DR ING H C F PORSCHE AG
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