Electrode Terminal Cooling Plate with Internal Refrigerant Flow
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Solution Overview
Problem
Existing cooling systems for electrode terminals of electricity storage devices are inefficient, leading to suboptimal temperature management during charging and discharging processes.
Innovation Solution
A terminal cooling part comprising a first and second metal plate superimposed on the electrode terminals, forming a refrigerant circulating space with supply and discharge ports, enhancing cooling efficiency by circulating refrigerant through the space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional cooling system is used for electrode terminals, then the structure is simple, but the cooling efficiency is insufficient
Solution Approach 1:
The refrigerant circulating space is formed by creating a recess in one plate and positioning another plate over it, with the peripheral portions joined together. This nested configuration allows the cooling system to be integrated within the existing terminal structure without requiring separate external cooling components, thereby improving cooling efficiency while maintaining structural simplicity
Solution Approach 2:
The invention transitions from a conventional external cooling approach to an internal cooling system by forming a three-dimensional refrigerant circulating space within the terminal structure itself. The recess and overlapping plate configuration creates a volumetric cooling chamber that directly contacts the electrode terminal, enabling efficient heat removal without increasing external footprint or overall structural complexity
2Productivity
If refrigerant circulation is improved, then cooling efficiency increases, but pressure loss may increase
Solution Approach 1:
The recess in the plate is configured with curved surfaces rather than sharp angles, creating a smooth refrigerant flow path. This curvature reduces turbulence and flow resistance as the refrigerant circulates through the cooling space, thereby improving cooling efficiency while minimizing pressure loss and energy consumption
Solution Approach 2:
The invention optimizes the geometric parameters of the refrigerant circulating space, including the depth, width, and shape of the recess, as well as the positioning and dimensions of the overlapping plate. By carefully controlling these parameters, the system achieves efficient heat transfer while maintaining low flow resistance and minimal pressure loss
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 solution increases the cooling efficiency of electrode terminals by optimizing refrigerant circulation, reducing pressure loss, and maintaining a compact design while minimizing damage from device vibrations.
Implementation Method 1
a refrigerant circulating space formed by a recess in one plate and positioning another plate over the recess... a supply port via which a refrigerant is supplied to the refrigerant circulating space, and a discharge port via which the refrigerant is discharged from the refrigerant circulating space
Implementation Method 2
The first plate is superimposed on an end surface of an electrode terminal... a joining portion that is joined to the electrode terminal
Data Source
AI summary
A terminal cooling part for an electricity storage device includes a first plate and a second plate. The first plate includes a joining portion that is joined to the electrode terminal. The second plate is opposed to a surface of the first plate at an opposite side to a surface of the first plate that is superimposed on the end surface of the electrode terminal except for the joining portion. The second plate includes a raised portion that forms a refrigerant circulating space between the raised portion and the first plate. The second plate is configured such that a portion around the raised portion is joined to the first plate. The second plate includes a supply port via which a refrigerant is supplied to the refrigerant circulating space, and a discharge port via which the refrigerant is discharged from the refrigerant circulating space.