Storage Cell Heating Element Integration for Compact Energy Store Design
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Solution Overview
Problem
Existing storage cells for motor vehicle energy stores require significant space for heating elements, which complicates compact design and efficient energy storage.
Innovation Solution
The storage cell integrates an electrical heating element within the cell housing, connected via a compact connecting device that includes switching elements and different materials for efficient energy transfer, allowing for space-saving activation and deactivation of the heating element, and uses an elastically deformable conductor for thermal movement accommodation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a heating element is integrated into the storage cell, then the storage cell can be heated to maintain optimal temperature, but the space requirement of the storage cell increases
Solution Approach 1:
The heating element is integrated directly into the cell housing structure, merging the heating function with the housing. The connection element serves dual purposes: electrical connection and mechanical support, eliminating the need for separate mounting structures and reducing overall space requirements.
Solution Approach 2:
The cell housing serves multiple functions: structural containment, thermal management interface, and electrical connection pathway. The connection element provides both mechanical attachment and electrical conductivity, allowing the same component to fulfill multiple roles and reduce the number of separate parts needed.
2Volume of moving object
If a heating element with connection elements is integrated into the cell housing, then the heating system becomes more compact, but the device complexity increases
Solution Approach 1:
The connection element integrates electrical connection, mechanical support, and thermal conduction functions into a single component. This merging reduces the number of separate parts (eliminating the need for separate mounting brackets, insulators, and connection terminals) while maintaining all necessary functions, thereby reducing both volume and complexity.
Solution Approach 2:
The connection element is designed as a multi-functional component that simultaneously provides electrical conductivity, mechanical attachment, and thermal pathways. This universal design approach consolidates multiple functions into one element, reducing device complexity while achieving compact integration.
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 solution enables a highly integrated, space-efficient heating system that maintains optimal temperature and energy storage performance while minimizing installation space and costs.
Implementation Method 1
The storage cell has at least one electrical heating element located within the cell housing for heating the storage cell
Implementation Method 2
uses an elastically deformable conductor for thermal movement accommodation
Data Source
Figure 1~2
Figure 3~5
AI summary
The invention relates to a storage cell (1) for an energy store, comprising a cell housing (2) in which storage means (6) for storing electric energy are received, at least one connection (7) which is arranged outside of the cell housing (2) and via which the electric energy stored by means of the storage means (6) can be provided by the storage means (6), and at least one electric heating element (9) arranged within the cell housing (2) for heating the storage cell (1), wherein the cell housing (2) has a connection region (V), in which the heating element (9) within the cell housing (2) is electrically connected to the cell housing (2). At least one connection device (12) is provided, having at least one connection element (14) that has a first connection part (15), which is electrically connected to the cell housing (2) outside of the cell housing (2) and is made of a first material, and a second connection part (16), which is electrically connected to the first connection part (15) and is made of a second material that differs from the first material.