Battery Housing Flow Chamber for Two-Sided Controller Cooling
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Solution Overview
Problem
Existing battery systems face challenges in efficiently managing the heat generated during rapid energy delivery due to chemical conversion processes, particularly in high-power lithium-ion and lithium polymer batteries, necessitating improved active thermal management.
Innovation Solution
A housing element design for batteries that incorporates a first and second temperature-control structure within a flow chamber, with differently designed flow interference elements to optimize heat transfer and fluid flow, accommodating battery controller components on opposite sides for uniform cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single uniform temperature-control structure is used in the flow chamber, then the structure is simple and easy to manufacture, but it cannot meet the varying cooling requirements of different battery controller elements
Solution Approach 1:
The patent applies local quality by creating different temperature-control structures (first and second structures with different interference element configurations) in different regions of the flow chamber. The first temperature-control structure has first interference elements with specific geometries while the second temperature-control structure has second interference elements with different geometries, allowing each region to be optimized for its specific cooling requirements.
Solution Approach 2:
The flow chamber is segmented into multiple regions with different temperature-control structures. The housing element contains a first region with a first temperature-control structure, while the cover element contains a second region with a second temperature-control structure. This segmentation allows independent optimization of each region's cooling characteristics.
2Loss of energy
If battery controller elements are cooled from one side only, then the cooling system is simple, but heat transmission efficiency is reduced
Solution Approach 1:
The patent transitions from one-sided cooling to two-sided cooling by placing battery controller elements between the housing element and cover element. The first element is arranged on the housing element side while the second element is arranged on the cover element side, enabling heat dissipation in opposite directions and significantly improving thermal management efficiency.
3Ease of manufacture
If the flow chamber has a simple design without multiple regions, then manufacturing is easier, but deaerability and fluid flow optimization are compromised
Solution Approach 1:
The flow chamber is divided into multiple regions with different structural characteristics. The first region in the housing element and the second region in the cover element have different interference element designs, allowing each region to be optimized for specific functions such as deaeration and fluid flow management while maintaining manufacturability.
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
Provides reliable and optimized heat transmission and cooling, minimizing pressure drop and ensuring homogeneous deaeration, meeting varying cooling requirements of battery controller components.
Implementation Method 1
a first element of a battery controller is arranged in a thermally conductive manner on the housing element and a second element of a battery controller is arranged in a thermally conductive manner on the cover element
Implementation Method 2
the temperature-control fluid can flow around them
Data Source
AI summary
The invention relates to a housing element of a battery (1), wherein the housing element (2) is designed to be connected to an additional housing element (3), said elements providing a commonly formed interior space (4) for accommodating a plurality of battery cells (20), wherein the housing element (2) forms a first temperature-control structure (51), and a cover element (6) that forms a second temperature-control structure (52) is connected to the housing element (2) such that a flow chamber (5), through which temperature-control fluid (7) can flow, is delimited in a fluid-tight manner, wherein the first temperature-control structure (51) and the second temperature-control structure (52) are arranged inside the flow chamber (5) and are arranged so that temperature-control fluid (7) can flow around them, wherein a first element (81) of a battery controller is arranged in a thermally conductive manner on the housing element (2), and a second element (82) of a battery controller is arranged in a thermally conductive manner on the cover element (6), wherein the flow chamber (5) comprises a plurality of regions (9), whereby the first temperature-control structure (51) and the second temperature-control structure (52) each have a different design.