Battery Electrode Terminal Cooling via Insulated Heat Conduction
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Solution Overview
Problem
Existing battery designs suffer from heat accumulation at the electrode terminal area, leading to excessively high temperatures due to inefficient heat dissipation, as heat from the electrode terminal is transferred to the housing and then to the cooling plate, resulting in poor cooling efficiency.
Innovation Solution
The battery design incorporates an insulating and heat conducting layer between the electrode terminal and the first heat exchange plate, allowing direct heat transfer from the electrode terminal to the plate, with the layer's opposite sides attached to both surfaces, enhancing heat dissipation through a material with high electrical resistivity, such as a heat-conducting silicone layer or ceramic layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If heat is transferred from electrode terminal to housing and then to cooling plate, then the structure is simple, but heat dissipation efficiency is poor and temperature is excessively high
Solution Approach 1:
The patent introduces a heat-conducting adhesive layer as an intermediary component between the electrode terminal and the cooling plate. This adhesive layer has high thermal conductivity to facilitate efficient heat transfer from the electrode terminal directly to the cooling plate, while also providing electrical insulation. The adhesive layer resolves the contradiction by creating a direct thermal pathway without requiring complex structural modifications.
2Temperature
If electrode terminal area is used for heat transfer, then heat dissipation path is extended, but heat accumulation occurs and temperature becomes excessively high
Solution Approach 1:
The patent applies local quality by concentrating high thermal conductivity material (heat-conducting adhesive) specifically at the electrode terminal area where heat generation is most intense. This localized approach ensures efficient heat extraction from the critical hot spot without requiring the entire structure to have enhanced thermal properties, thereby preventing heat accumulation at the electrode terminal while maintaining overall structural simplicity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enables rapid heat transfer from the electrode terminal to the heat exchange plate, significantly improving the battery's heat dissipation effect and maintaining optimal operating temperatures.
Implementation Method 1
the insulating and heat conducting layer is arranged between the heat exchange surface and the first heat exchange plate... enables rapid heat transfer from the electrode terminal to the heat exchange plate
Implementation Method 2
insulating and heat conducting layer... a material with high electrical resistivity, such as a heat-conducting silicone layer or ceramic layer
Data Source
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AI summary
The present application relates to the field of energy storage devices, and discloses a battery, including battery cells, first heat exchange plates and insulating and heat conducting layers, wherein the battery cell is provided with an electrode column, and the electrode column has a heat exchange surface; the insulating and heat conducting layer is disposed between the heat exchange surface and the first heat exchange plate; and the insulating and heat conducting layer has a first side surface and a second side surface that are opposite to each other, the first side surface is attached to the first heat exchange plate, and the second side surface is attached to the heat exchange surface or a metal part connected to the electrode column. The present application effectively improves the heat dissipation effect of the battery.