Battery Housing Cooling Structure for Cells and Controller Heat
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Solution Overview
Problem
Existing battery modules face challenges in efficiently managing temperature control for both battery cells and power-electronics components, leading to potential overheating and increased aging, as conventional cooling systems often require optimized but separate control for each component.
Innovation Solution
A housing element with a temperature-control structure that includes a flow-guiding element and vortex elements to create turbulent flow, allowing for efficient cooling of battery cells and power-electronics components while minimizing pressure loss, and allowing independent temperature control of battery controller elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a common cooling system is used for both battery cells and power-electronics components, then the device complexity is reduced, but the temperature control precision for individual components deteriorates
Solution Approach 1:
The cooling system is segmented into separate cooling circuits: a first cooling circuit for battery cells and a second cooling circuit for power-electronics components. This segmentation allows independent temperature control for each component type, resolving the contradiction by maintaining simplicity through modular design while achieving precise temperature control through circuit separation.
Solution Approach 2:
Different cooling strategies are applied to different locations/components based on their specific thermal requirements. The battery cells receive cooling from the first cooling circuit with its specific flow rate and temperature, while power-electronics components receive cooling from the second cooling circuit with different parameters, allowing optimal temperature control for each component's operational characteristics.
2Temperature
If the cooling flow rate is increased to improve cooling efficiency, then the temperature control effectiveness improves, but the pressure loss increases
Solution Approach 1:
The cooling system incorporates variable flow rate control for different cooling circuits, allowing the system to dynamically adjust the flow rate based on thermal demands. The first cooling circuit for battery cells can operate at a flow rate optimized for cell cooling, while the second cooling circuit for power-electronics components operates at a different flow rate, thereby achieving effective cooling without excessive pressure loss that would result from uniformly high flow rates.
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 design enables efficient cooling of individual components with reduced pressure loss, maintaining optimal temperature ranges and preventing overheating, thus enhancing the safety and performance of battery modules.
Implementation Method 1
temperature-control fluid can flow around it... temperature-control fluid flowing in the flow duct is created
Implementation Method 2
vortex elements are arranged in such a way that a turbulent flow of temperature-control fluid flowing in the flow duct is created
Data Source
AI summary
A housing element of a battery is disclosed, wherein the housing element (1) is designed to be connected to a further housing element so as to form a common interior space designed for receiving a plurality of battery cells of a battery module, wherein the housing element (1) forms a temperature-control structure (2) on a first side (10) and a covering element (3) is connected to the housing element (1) in such a way that the covering element (3) delimits a flow duct (4), through which temperature-control fluid can flow, in a fluid-tight manner and the temperature-control structure (2) is designed such that the temperature-control fluid can flow around it, wherein furthermore a first element (5) of a battery controller is arranged on the covering element (3) in a thermally conductive manner.