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AssigneeLG Energy Solution, Ltd.
InventorsDong Hyeok Shin, Sang Hoon Choy, Jeong Soo Seol, In Sang Cho
Estimating the term…
A marking system is provided for identifying defects of an electrode sheet that includes an active material layer coated with an electrode active material and a non-coating portion disposed at one side in a width direction of the active material layer. The marking system for identifying the defects of the electrode sheet may include: a vision sensor configured to detect the defects of the electrode sheet; a heater disposed behind the vision sensor in a moving direction of the electrode sheet, the heater being configured to heat the non-coating portion when the defects are detected by the vision sensor; a marker configured to mark ink on an area corresponding to each defect on the non-coating portion heated by the heater; and a blower disposed behind the marker in the moving direction of the electrode sheet to dry the ink on the area.
A marking system for identifying defects of an electrode sheet including an active material layer coated with an electrode active material and a non-coating portion disposed at one side in a width direction of the active material layer, the marking system comprising:
A marking method for identifying defects of an electrode sheet including an active material layer coated with an electrode active material and a non-coating portion disposed at one side in a width direction of the active material layer, the marking method comprising:
The marking method claim of 7, wherein, in the heating process, the heater heats the non-coating portion at a temperature of 30 degrees to 100 degrees Celsius.
Dependencies are inferred from the claim text.