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A battery thermal runaway gas discharge device, battery module and automobile

A technology of gas emission and battery modules, which is applied in the field of auto parts to reduce heat

Active Publication Date: 2022-04-01
深蓝汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the modules are placed adjacent to each other. In order to improve the integration efficiency, the gap between the modules is very small. This arrangement is very prone to thermal diffusion.

Method used

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  • A battery thermal runaway gas discharge device, battery module and automobile
  • A battery thermal runaway gas discharge device, battery module and automobile
  • A battery thermal runaway gas discharge device, battery module and automobile

Examples

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Embodiment Construction

[0038] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0039] refer to Figure 1 to Figure 6 , the embodiment of the present invention provides a battery thermal runaway gas discharge device, including: a flow guide structure 31, the flow guide structure 31 has a flow guide channel 313; The gas is split and guided to the diversion structure 32 in the diversion channel 313 ; the diversion structure 32 partially passes through the outer wall of the diversion structure 31 and then extends into the div...

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Abstract

The invention provides a battery thermal runaway gas discharge device, a battery module and an automobile, so as to reduce the influence of the battery thermal runaway on adjacent battery cells. The battery thermal runaway gas discharge device includes: a flow guide structure, with a flow guide channel in the flow guide structure; used to divert the thermal runaway gas generated during the thermal runaway of the battery cell and guide it to the flow guide channel The inner shunt structure; the shunt structure partially passes through the outer wall of the shunt structure and extends into the shunt channel.

Description

[0001] Technical field [0002] The invention belongs to the field of auto parts, and in particular relates to a battery heat runaway gas discharge device, a battery module and an automobile. Background technique [0003] With the rapid development of the new energy vehicle industry, battery thermal runaway is the most serious form of failure, and battery thermal safety has become a bottleneck restricting the development of electric vehicles. At present, the modules are placed adjacent to each other. In order to improve the integration efficiency, the gap between the modules is very small. This arrangement is very prone to heat dissipation. The heat diffusion between adjacent battery modules is mainly due to the heat convection of "cell-air-cell" and the heat conduction of "cell-box-cell", and the contribution of heat convection to heat diffusion is greater than that of heat conduction. As far as the layout of the existing battery pack modules is concerned, when a cell underg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/342H01M50/30B60L3/00
CPCB60L3/0046H01M50/30H01M50/383Y02E60/10Y02T90/16
Inventor 蒋顺业徐前魏亚平张友群
Owner 深蓝汽车科技有限公司
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