Grooved Battery Electrode Plate for Uniform Electrolyte Flow
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Solution Overview
Problem
Electrochemical batteries face challenges in evenly distributing the liquid electrolyte among densely packed electrode plates, particularly in AGM batteries, leading to inefficient energy storage and performance.
Innovation Solution
The electrode plate design features a frame with a grid and diagonal grooves on its surface, creating channels for even electrolyte distribution and increased surface area, which enhances the battery's performance and reduces water consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If electrode plates are densely packed within the battery housing, then space utilization is improved, but electrolyte distribution among electrode surfaces deteriorates
Solution Approach 1:
The electrode plate surface is segmented into multiple grooves that divide the surface into distinct channels. These grooves create a segmented flow path system that guides electrolyte distribution across the densely packed electrode plates, ensuring each segment receives adequate electrolyte despite high packing density.
Solution Approach 2:
The invention introduces a diagonal dimension to the groove pattern, extending from top-left to bottom-right corners. This diagonal orientation adds a new dimensional approach to electrolyte flow distribution, allowing electrolyte to reach electrode surfaces more effectively in densely packed configurations where traditional horizontal or vertical patterns fail.
2Volume of moving object
If electrode plates are densely packed within the battery housing, then battery compactness is improved, but effective surface area of electrodes deteriorates
Solution Approach 1:
By introducing diagonal grooves that extend across the entire electrode plate surface from corner to corner, the invention effectively increases the usable surface area. This diagonal pattern creates additional flow paths and contact points that maximize the effective surface area within the constrained compact battery volume.
Solution Approach 2:
The groove pattern creates a porous-like structure on the electrode plate surface, with channels that allow electrolyte penetration throughout the active mass. This porous configuration increases the effective surface area available for electrochemical reactions while maintaining the compact overall structure of the battery.
3Quantity of substance
If a pattern of grooves is added to the electrode plate surface, then electrolyte distribution is improved, but device complexity increases
Solution Approach 1:
The invention optimizes groove parameters including diagonal orientation angle, groove spacing, groove depth, and groove width to achieve effective electrolyte distribution. By carefully selecting these parameters, the design improves electrolyte flow while keeping the structural complexity manageable through standardized geometric patterns.
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 diagonal grooves ensure optimal electrolyte distribution and air removal between plates, improving voltage performance and sulfate distribution, resulting in a 5-10% increase in effective surface area and reduced water consumption.
Implementation Method 1
The grooves establish a system of channels through which the electrolyte can flow
Implementation Method 2
Such electrochemical batteries are able to store electrical energy by means of reversible electrochemical reactions
Data Source
AI summary
An electrochemical battery is disclosed. The electrochemical battery has an electrode plate comprising a frame and a generally flat grid connected to the frame, the frame comprising at least a top frame member having a contact lug, wherein the grid comprises a plurality of grid wires and a plurality of window-like open areas between the grid wires, further comprising an active mass within the open areas and/or on the grid wires, wherein the electrode plate comprises on one outer surface or on both opposing outer surfaces of the active mass a pattern of grooves, wherein the grooves extend diagonally from a position closer to the top frame member to a position further away from the top frame member. A method for producing an electrode plate is also disclosed.