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Electrochemical cell unit for a secondary battery

A technology of battery cells and secondary batteries, applied in the field of rechargeable batteries and secondary batteries, can solve problems such as shell filling

Active Publication Date: 2014-05-07
BELENOS CLEAN POWER HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the inner space of the housing cannot be completely filled by the electrochemical cells

Method used

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  • Electrochemical cell unit for a secondary battery
  • Electrochemical cell unit for a secondary battery
  • Electrochemical cell unit for a secondary battery

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Embodiment Construction

[0079] exist figure 1 with figure 2 The first and second cells 12, 14 of the electrochemical cell 10 are shown in respective perspective and side views, respectively. The first electrochemical cell 12 includes a recess 16 towards the upper current collecting sheet 32 ​​. Thus, the second electrochemical cell 14 also comprises a correspondingly shaped recess 18 at its upper end. in such as figure 1 with figure 2 In the lower portion shown in , electrochemical cells 12, 14 each include an active region 20, 22 where layers of metal-coated electrodes separated by non-conductive separators are disposed.

[0080] Each electrochemical cell 12 , 14 is enclosed by a prismatic pocket 13 , 15 surrounding an upper recess 16 , 18 and a lower electrically active region 20 , 22 of each respective electrochemical cell 12 , 14 .

[0081] The electrochemical cells 12, 14 and their respective prismatic pouches 13, 15 comprise substantially the same geometry. Such as figure 1 with figu...

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PUM

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Abstract

The present invention relates to an electric cell unit for a secondary battery as well as to such a secondary battery module. The electric cell unit comprises: - a first electric cell (12) enclosed by a first casing (13), - a second electric cell (14) enclosed by a second casing (15), wherein at least one of first and second casings (13, 15) comprises a recessed portion (16, 18) extending along a side edge (11) thereof to form a receptacle (30), which is adapted to receive at least one thermal transfer element (28).

Description

technical field [0001] The invention relates to the field of secondary, ie, rechargeable, batteries and in particular to a space-saving thermal management for such batteries and also to a space- and weight-optimized housing concept for such batteries. Background technique [0002] Electrical energy storage may be provided by secondary batteries, such as lithium-ion batteries. Such batteries, but almost all types of secondary batteries should be operated within a predetermined temperature range. For example, at very low temperatures, such as below -10°C, cell performance deteriorates and efficiency can be significantly reduced. At higher operating temperatures, such as about 40°C and above, the economic life and performance and capacity of such batteries typically decrease. [0003] These thermal conditions require that the battery packs and battery modules must be properly heated or cooled. Therefore, there is a need for adequate thermal management of the battery pack. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/64H01M50/211
CPCH01M2220/20H01M50/211H01M10/615H01M10/647H01M10/6557H01M10/6567H01M10/6555H01M10/613H01M10/6553Y02E60/10H01M10/65
Inventor D·科森
Owner BELENOS CLEAN POWER HLDG
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