Thermally Conductive Battery Module Housing for Compact Cooling

Solution Overview

Problem

Existing battery modules for medium and large devices require numerous fastening parts and cooling equipment, increasing manufacturing costs, volume, and weight while reducing output.

Innovation Solution

A battery module design featuring a thermally conductive housing with convex portions for guiding battery cells, a thermally conductive bottom plate, and optional cooling fins or plates, along with a resin layer for enhanced heat dissipation, allowing for more cells per unit volume and reduced fastening and cooling components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If numerous fastening parts and cooling equipment are used to assemble battery modules, then the structural stability and cooling function are improved, but the manufacturing cost, volume, and weight increase while output decreases

Engineering Contradiction:

Improvestructural stabilityVSAvoidmodule weight

Core Design Contradiction:

ReliabilityVSWeight of stationary object

Solution Approach 1:

The housing integrates both structural support and cooling functions into a single component. The housing includes cooling fins that directly contact battery cells for heat dissipation, eliminating the need for separate fastening parts and cooling equipment. This merging of functions reduces the number of components, decreasing weight while maintaining structural stability and cooling effectiveness.

Inventive Principle:

Principle #5Merging (Combining)

2Reliability

If numerous fastening parts and cooling equipment are used to assemble battery modules, then the structural stability and cooling function are improved, but the manufacturing cost, volume, and weight increase while output decreases

Engineering Contradiction:

Improvecooling functionVSAvoidmodule volume

Core Design Contradiction:

ReliabilityVSVolume of stationary object

Solution Approach 1:

The housing integrates both structural support and cooling functions into a single component. The housing includes cooling fins that directly contact battery cells for heat dissipation, eliminating the need for separate fastening parts and cooling equipment. This merging of functions reduces the number of components, decreasing weight while maintaining structural stability and cooling effectiveness.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If numerous fastening parts and cooling equipment are used to assemble battery modules, then the structural stability and cooling function are improved, but the manufacturing cost, volume, and weight increase while output decreases

Engineering Contradiction:

Improvestructural stabilityVSAvoidassembly complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The housing integrates both structural support and cooling functions into a single component. The housing includes cooling fins that directly contact battery cells for heat dissipation, eliminating the need for separate fastening parts and cooling equipment. This merging of functions reduces the number of components, decreasing weight while maintaining structural stability and cooling effectiveness.

Inventive Principle:

Principle #5Merging (Combining)

4Reliability

If numerous fastening parts and cooling equipment are used to assemble battery modules, then the structural stability and cooling function are improved, but the manufacturing cost, volume, and weight increase while output decreases

Engineering Contradiction:

Improvecooling functionVSAvoidcomponent quantity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The housing integrates both structural support and cooling functions into a single component. The housing includes cooling fins that directly contact battery cells for heat dissipation, eliminating the need for separate fastening parts and cooling equipment. This merging of functions reduces the number of components, decreasing weight while maintaining structural stability and cooling effectiveness.

Inventive Principle:

Principle #5Merging (Combining)

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

The design achieves improved heat dissipation, reduces module size and weight, and increases output while simplifying the manufacturing process and lowering costs.

Implementation Method 1

a thermally conductive housing with convex portions for guiding battery cells, a thermally conductive bottom plate, and optional cooling fins or plates, along with a resin layer for enhanced heat dissipation

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP3300164B1Battery module

Publication Date: 2024.08.21 LG ENERGY SOLUTION LTD

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AI summary

The present application can provide a battery module, a method for manufacturing method the same and a thermally conductive material applied to the manufacturing method. The present application can provide a battery module having excellent output relative to volume and heat dissipation characteristics, with being manufactured in a simple process and at a low cost, a method for manufacturing the same, and a thermally conductive material applied to the manufacturing method.