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Battery module with cooling manifold and cooling method of battery module

一种冷却歧管、电池模块的技术，应用在二次电池、电池组零部件、电路等方向，能够解决不能均匀冷却电池组电池单元等问题

Active Publication Date: 2011-05-11
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing cooling systems may not be able to cool the cells in the battery pack evenly

Method used

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  • Battery module with cooling manifold and cooling method of battery module
  • Battery module with cooling manifold and cooling method of battery module
  • Battery module with cooling manifold and cooling method of battery module

Examples

Experimental program
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Embodiment Construction

[0014] see figure 1 , shows a system 10 for cooling a battery module 16 . System 10 includes storage 12 , pump 14 , and conduits 17 , 18 and 19 . Fluid is contained in the storage part 12 . A pump 14 draws fluid from the reservoir 12 via a conduit 17 . Thereafter, pump 14 injects fluid into battery module 16 via conduit 18 . The battery module 16 includes a cooling manifold 40 , a heat exchanger, and a cooling manifold 42 which will be described in more detail below. Cooling manifold 40 is configured to provide substantially equal fluid flow through each of the respective heat exchangers in battery modules 16 such that the battery cells therein dissipate substantially equal amounts of thermal energy from the battery cells. Thus, all of the battery cells in the battery module 16 are maintained at substantially similar temperatures, resulting in the cells having uniform operating characteristics, including output voltage. Cooling manifold 42 receives heated fluid from the h...

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Abstract

The present invention provides a battery module with a cooling manifold. The battery module comprises a plurality of battery cell assemblies with a plurality of heat exchangers. The battery module also comprises a cooling manifold which is connected to a plurality of battery cell assemblies and allows operation thereof. The cooling manifold has a manifold portion and a cover plate. The manifold portion comprises an outer wall, a rear wall connected to the outer wall, and a flow diverter. The upper part of the outer wall extends to an inlet aperture and the rear wall has a plurality of outlet apertures extending through the upper part. The cover plate is connected to the outer wall facing the rear wall. The flow diverter extends from the rear wall and is positioned at the lower part of the inlet aperture. Also, the flow diverter contains fluid from the inlet aperture and diverts the fluid to cool a plurality of battery cell assemblies so that the flow rate of the fluid to each heat exchanger through each outlet aperture is substantially identical.

Description

technical field [0001] The present application generally relates to battery modules having cooling manifolds and methods for cooling battery modules. Background technique [0002] The battery pack generates heat during use. In order to prevent deterioration of the battery pack, the battery pack should be cooled. However, existing cooling systems may not be able to uniformly cool the individual battery cells in the battery pack. Here, the inventors have recognized that if the battery cells in a battery pack are not uniformly cooled, the battery cells can undesirably have different operating characteristics, including different output voltages. [0003] Accordingly, the inventors herein have recognized a need for a battery module having a cooling manifold that eliminates and / or reduces the deficiencies described above. Contents of the invention [0004] There is provided a battery module according to an exemplary embodiment. The battery module includes a plurality of bat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/34H01M2/40H01M2/10H01M50/77
CPCH01M10/647H01M10/6568H01M10/6557H01M10/617H01M10/6566H01M10/651H01M10/613Y02E60/10Y02P70/50H01M50/20
Inventor 威廉姆·克廷乔斯·佩恩
Owner LG ENERGY SOLUTION LTD
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