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battery stack

A technology of battery stacks and battery cells, which is applied in the field of battery stacks, can solve problems such as time-consuming, complex structure of battery stacks, and increased space of battery stacks, and achieve the effect of preventing damage

Active Publication Date: 2018-05-29
REINZ DICHTUNGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this leads to a complicated configuration of the battery stack and increases the space required for the battery stack
Additionally, the installation and tensioning of such spring pack or strut arrangements often requires additional or complicated steps and is thus time consuming

Method used

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Embodiment Construction

[0047] Repeated reference numbers refer to identical or functionally identical features.

[0048] Therefore, as in figure 1 with figure 2As seen in the schematic front view or side view given in , the battery stack 1 according to the present invention includes a plurality of battery cells 4 (such as fuel cells), which are stacked on the first side of the battery stack 1 Between the stack end 2 and the second stack end 3 of the cell stack 1 . Therefore, the cell stack 1 is a part of the fuel cell system. However, the battery unit 4 can also form another electrochemical cell or a battery for a humidifier of an electrochemical system. Thus, the battery stack or cell can also form part of a humidifier for an electrochemical system, or be part of another electrochemical system such as an electrochemical accumulator, a redox flow battery, an electrochemical compressor or part of a fuel cell system.

[0049] The battery stack 1 also includes two tensioning elements 5 of the sa...

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PUM

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Abstract

The present application relates to a battery stack comprising several battery cells and at least one tensioning element, the several battery cells being stacked between a first stack end of the battery stack and a second stack end of the battery stack, utilizing at least one a tensioning element, a tensioning force for clamping the battery cells can be introduced between the first stack end and the second stack end, the at least one tensioning element comprising a first partial section and a second partial section, The first partial section starts at the first stack end and extends in the direction of the second stack end, the second partial section starts at the second stack end and extends in the direction of the first stack end, Wherein, at least one tensioning element comprises at least one elastic element loaded with compressive force, which connects the first partial section with the second partial section, characterized in that the first partial section and the second partial section of the at least one tensioning element The two partial sections overlap each other in the overlap region between the two stack ends.

Description

technical field [0001] The invention relates to a battery stack comprising several battery cells stacked between a first stack end of the battery stack and a second stack end of the battery stack. The battery stack includes at least one tensioning element for clamping the battery cells between ends of the stack. The at least one tensioning element comprises a first partial section and a second partial section, the first partial section starting at the first stack end and extending in the direction of the second stack end, The second partial section starts at the second stack end and extends in the direction of the first stack end. The at least one tensioning element also includes at least one elastic element loaded with a compressive force, the at least one elastic element connecting the first partial section with the second partial section. Background technique [0002] Such a battery stack comprises several battery cells, generally designed in a planar manner, which are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/247
CPCH01M8/248H01M10/0481H01M8/04216Y02E60/50Y02E60/10
Inventor 约阿希姆·舍雷尔赖纳·格卢克伯纳黛特·格伦瓦尔德
Owner REINZ DICHTUNGS