Magnetic Electrode Encapsulation for High-Speed Battery Web Handling
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Solution Overview
Problem
The manual removal of scrap electrode materials from electrodes in electric vehicle battery production is labor-intensive and reduces production efficiency, with multiple pinch points creating inefficiencies in the stacking process.
Innovation Solution
A system utilizing a magnetic conveyor with embedded magnets to secure electrode material, combined with a heat press to automate the encapsulation of electrodes within separator material webs, enabling efficient and automated production of battery electrodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual removal of scrap electrode materials is used, then labor intensity is high, but production efficiency is reduced
Solution Approach 1:
The patent replaces manual mechanical removal operations with an automated magnetic conveyor system. The magnetic conveyor securely holds electrode materials and enables automated encapsulation, eliminating the need for manual scrap removal and significantly improving production efficiency while increasing automation level.
Solution Approach 2:
The magnetic conveyor system performs self-service by automatically securing electrode materials and facilitating their movement through the encapsulation process without requiring manual intervention for scrap removal, thereby improving both productivity and automation.
2Productivity
If multiple pinch points are used in stacking process, then handling is possible, but efficiency and production rates are reduced
Solution Approach 1:
The patent segments the electrode material handling into discrete sections using multiple magnetic conveyors, each handling specific portions of the electrode assembly. This segmentation allows for streamlined processing at each stage rather than complex multi-point handling, improving production rate while managing complexity through modular design.
Solution Approach 2:
The magnetic conveyor acts as an intermediary device between electrode cutting and encapsulation processes. It securely holds the electrode material and facilitates smooth transition between operations, eliminating the need for multiple pinch points and improving production efficiency.
3Speed
If automated heat press is used, then encapsulation speed increases, but secure conveying of electrode material is required
Solution Approach 1:
The magnetic conveyor performs preliminary action by securely holding and positioning the electrode material before it reaches the heat press. This pre-positioning ensures that when the automated heat press operates at high speed, the electrode material is already properly aligned and secured, maintaining both speed and reliability.
Solution Approach 2:
The patent replaces traditional mechanical conveying systems with a magnetic conveyor system that provides more reliable holding of electrode material. The magnetic field securely attaches to the electrode material, ensuring stable conveying throughout the high-speed automated encapsulation process.
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 automates the encapsulation process, increasing production rates and reducing labor intensity by securely conveying and sealing electrode materials within separator webs, facilitating efficient integration into battery cells.
Implementation Method 1
The magnets are operable to secure electrode material against the first web
Implementation Method 2
The heat press is positioned above the continuous track and includes a heated surface configured to heat and press a second web of separator material against the first web
Data Source
AI summary
A system for encapsulating electrodes for a battery includes lower path rollers, a conveyor frame, conveyor drives, a continuous track, and a heat press. The lower path rollers are operable to guide a first web of separator material along a lower web path. The conveyor frame supports the lower path rollers. The conveyor drives are supported on the conveyor frame. The continuous track is driven by the conveyor drives and is positioned beneath the lower web path. The continuous track includes conveyor magnets embedded within pallets. The magnets are operable to secure electrode material against the first web. The heat press is positioned above the continuous track and includes a heated surface configured to heat and press a second web of separator material against the first web to encapsulate at least a portion of the electrode material within the first web and the second web.