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Micro-Channel Cooling Fin Design Based on an Equivalent Temperature Gradient

A technology of cooling fins and micro-channels, applied in the field of cooling fins, can solve the problems of reduced battery life and reduced performance of battery modules, etc.

Active Publication Date: 2014-09-17
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This temperature difference leads to a reduction in the performance of the battery modules, with concomitant reduction in battery life

Method used

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  • Micro-Channel Cooling Fin Design Based on an Equivalent Temperature Gradient
  • Micro-Channel Cooling Fin Design Based on an Equivalent Temperature Gradient
  • Micro-Channel Cooling Fin Design Based on an Equivalent Temperature Gradient

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Embodiment Construction

[0050] Reference is now made in detail to presently preferred compositions, embodiments and methods of this invention, which constitute the best mode presently known to the inventors for practicing the invention. The drawings are not necessarily drawn to scale. It should be understood, however, that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various and alternative forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for any aspect of the invention and / or as a representative basis for teaching one skilled in the art to variously employ the invention.

[0051] Except where exemplified or where otherwise expressly stated, all numerical quantities in this specification indicating amounts of materials or conditions reacted and / or employed are to be understood as modified by the word "about" in describing the broadest scope of the invention . Practice within t...

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Abstract

A micro-channel cooling fin for a battery module and battery is provided. The cooling fin includes a metal plate assembly that defines a plurality of cooling channels therein. The metal plate assembly includes an inlet section for introducing a coolant into the plurality of cooling channels and an outlet section from which the coolant exits the plurality of cooling channels. Each channel has an output temperature and an input temperature such that the output temperature minus the input temperature for each cooling channel is within a predetermined amount.

Description

technical field [0001] In at least one aspect, the present invention relates to cooling systems for battery modules, and in particular to cooling fins for use in such cooling systems. Background technique [0002] Large-capacity rechargeable batteries are currently being researched for use in electric vehicles. The ultimate viability of electric vehicles depends largely on reducing associated costs. Reducing the costs of battery components is particularly important in this regard. [0003] Lithium-ion batteries are an important type of battery technology. Most battery packs, including lithium-ion battery packs, have multiple individual electrochemical cells. Typically, such an electrochemical cell includes an anode, a cathode, and a separator between the anode and cathode. Typically, the anode consists of a metal sheet or foil (usually copper metal) coated with a layer of graphite. Similarly, a cathode typically comprises a metal sheet or foil (usually aluminum metal) o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/6551H01M10/6568
CPCH01M10/5004H01M10/5016H01M10/613H01M10/625H01M10/6557Y02E60/10
Inventor T.韩K-H.陈B.哈利希R.加格P.克劳斯
Owner GM GLOBAL TECH OPERATIONS LLC
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