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IBL-26-2153

Cylindrical battery dismantling device.

Listed on
2026-09-29
Secondary Battery› Recycling› Pretreatment
Cylindrical battery dismantling device with surface-tracking guide and ceramic cutting blade for automatic cutting depth adjustment

This technology is a dismantling system designed for the safe disassembly of cylindrical battery cases. It features a guide mechanism that detects the battery surface profile in real-time to automatically adjust cutting depth, a ceramic cutting blade, and an internal environment control system equipped with temperature sensors, fire suppression, and inert gas injection.

Conventional manual battery dismantling processes often result in inconsistent cutting depths depending on operator skill, leading to significant risks of internal electrode assembly damage, short circuits, and fires. Furthermore, these methods struggle to accurately cut deformed batteries.

This technology maintains a consistent cutting depth by utilizing a guide—comprising rollers, caps, and springs—that tracks the battery surface near the cutting blade, coupled with an actuator linked to a control unit. It employs a ceramic blade and prevents fires during dismantling through inert gas injection and temperature-linked fire suppression within the chamber. Applicable to end-of-life battery recycling pretreatment lines and battery failure analysis laboratories, it enables the intact recovery of electrode assemblies without the need for skilled labor and prevents workplace fire accidents.

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Key Features:
  • A battery support unit featuring a support member with one side connected to a base plate and the other side secured to one end of the cylindrical battery.
  • A cutting unit comprising a cutting blade for slicing the cylindrical battery and a cutting blade movement mechanism for supporting and positioning the blade.
  • A control unit that manages the support or cutting units based on user input and image or temperature data received by the receiver.
  • A guide that moves in tandem with the cutting blade, maintains contact with the battery surface, and is positioned at a predetermined distance from the cutting blade to regulate cutting depth.

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DGIST
Yong-min Lee | Seon-ho Park | Ji-hoon Song
Document
Date of application:
2020-10-15
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Patent registration number:
10-2499866
Industry
battery
environment•eco
Technology
Energy•Battery
Mechanical engineering
Country
Korea
Family Patent

N/A

Price
Price negotiable
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