Battery Holder With Embedded Heater Wire
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Solution Overview
Problem
Secondary batteries in vehicles, such as electric and hybrid vehicles, experience reduced output in cold temperatures due to insufficient electrical power supply, and existing solutions like PTC heaters can impede cooling air flow when increased for broader heating, leading to inadequate temperature management.
Innovation Solution
A battery holding device with cell holders featuring a concave-convex surface and embedded heater wires that contact storage cells, allowing for efficient heat conduction and ventilation paths for cooling air, ensuring both heating and cooling of the batteries without obstructing airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the number of PTC heaters is increased to increase heating range, then heating coverage is improved, but cooling air flow is impeded
Solution Approach 1:
The heating function is segmented from the cooling function. Heater wires are embedded only in the protrusions of the concave-convex surface, while the recesses remain open to allow cooling air flow. This segmentation allows heating and cooling to occur simultaneously without interference.
Solution Approach 2:
Different regions of the cell holder serve different functions: protrusions with embedded heater wires provide localized heating contact points, while recesses provide localized cooling air flow paths. This local differentiation resolves the contradiction between heating coverage and cooling air flow.
2Temperature
If PTC heater is placed between division wall and electric cell, then heating is achieved, but cooling air flow path is blocked
Solution Approach 1:
The surface of the cell holder is divided into protrusions and recesses. Heater wires are embedded only in the protrusions, while recesses remain open to serve as cooling air flow paths, preventing blockage of cooling airflow.
Solution Approach 2:
The concave-convex surface structure acts as an intermediary between the heater wires and the electric cell. The protrusions with embedded heaters provide heating contact points, while the recesses maintain open pathways for cooling air flow.
3Temperature
If heater section is embedded in electrolytic layer, then internal heating is achieved, but cooling air flow between batteries is not addressed
Solution Approach 1:
The heating and cooling functions are spatially segmented. Heater wires are embedded only in the protrusions of the concave-convex surface, while recesses remain open to allow cooling air flow between batteries, addressing both heating and cooling needs.
Solution Approach 2:
The cell holder structure serves multiple functions: it provides mechanical support, enables heating through embedded heater wires in protrusions, and maintains cooling air flow paths through recesses. This multi-functionality resolves the limitation of single-function heating solutions.
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 device effectively heats and cools the storage cells by generating heat from embedded heater wires while maintaining adequate airflow, addressing the temperature management issues in secondary batteries and enhancing their performance in cold conditions.
Implementation Method 1
At least a portion of the heater wire is embedded in the cell holder
Implementation Method 2
The concave-convex surface has a protrusion contacting the at least one storage cell
Data Source
AI summary
A battery holding device is configured to hold a capacitor including at least one storage cell and includes a cell holder and a heater wire. The cell holder is provided at a side surface of at least one storage cell and has a concave-convex surface facing the at least one storage cell. The concave-convex surface has a protrusion contacting the at least one storage cell. At least a portion of the heater wire is embedded in the cell holder.