Energy Storage Cell Housing Cathodic Heat Dissipation
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Solution Overview
Problem
Conventional energy storage cells for motor vehicles are not cost-effective, require maintenance, and lack efficient heat dissipation, which affects their reliability and operational efficiency.
Innovation Solution
An energy storage cell design featuring an electrically conductive housing with anodic and cathodic current taps on the exterior, where the cathodic connection is in contact with the housing interior, allowing for both current conduction and direct heat dissipation through a thermally conductive path, eliminating the need for a cathodic current tap on the exterior and optimizing cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional energy storage cells use separate current taps for anodic and cathodic connections, then electrical current conduction is achieved, but the device complexity increases and manufacturing cost rises
Solution Approach 1:
The housing is designed to serve dual functions: it acts as both the cathodic current collector and the structural housing. This merging of functions eliminates the need for a separate cathodic current tap, reducing device complexity while maintaining reliable electrical connection through the housing itself
Solution Approach 2:
The housing is designed as a multi-functional component that simultaneously provides mechanical protection, structural support, and electrical conduction for the cathodic connection. This universal design reduces the number of separate components needed while ensuring reliable current conduction
2Ease of manufacture
If conventional energy storage cells use traditional cooling arrangements, then cooling is provided, but the manufacturing cost increases and maintenance requirements arise
Solution Approach 1:
The housing structure itself provides the cooling function by serving as the heat dissipation path. The cathodic connection through the housing directly conducts heat away from the electrochemical element, eliminating the need for separate cooling systems that would require maintenance and add manufacturing complexity
3Reliability
If conventional energy storage cells lack efficient heat dissipation paths, then manufacturing is simpler, but operational reliability and efficiency decrease
Solution Approach 1:
The housing is designed to simultaneously serve as the cathodic current collector and the heat dissipation path. This merging allows efficient heat conduction from the electrochemical element through the housing to the external environment, improving operational reliability without adding separate cooling components
Solution Approach 2:
The housing is designed as a multi-functional component that provides mechanical protection, electrical conduction for the cathodic connection, and thermal management. This universal design ensures efficient heat dissipation while maintaining simple device architecture
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 cost-effective, low-maintenance, and efficient operation of energy storage cells by facilitating flexible placement of current taps, enhancing modular structure, and ensuring reliable, space-saving, and efficient cooling, particularly suitable for motor vehicle applications.
Implementation Method 1
the cathodic connection serves as a direct and very thermally conductive connection between the electrochemical element and the second outer surface
Implementation Method 2
the heat produced in the electrochemical element can be directly discharged to the second outer surface of the housing
Data Source
AI summary
An energy storage cell includes an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another. At least one electrochemical element is disposed in the housing having one anodic connection and one cathodic connection. An anodic current tap on the first outer wall is connected to the anodic connection in an electrically conductive fashion, and a cathodic current tap is connected in an electrically conductive fashion to the first or third outer wall. The cathodic connection is connected in the interior of the housing to the second outer wall in an electrically and thermally conductive fashion.