WINDING APPARATUS FOR FABRICATING ELECTRODE ASSEMBLY OF CYLINDERICAL SECONDARY BATTERY
Disclosed is a winding apparatus for manufacturing an electrode assembly of a cylindrical secondary battery comprising: a mandrel with a rod for forming the electrode assembly in a jelly-roll fashion by winding the electrode and a stacked structure of the separation membrane, which creates a frictio...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | Disclosed is a winding apparatus for manufacturing an electrode assembly of a cylindrical secondary battery comprising: a mandrel with a rod for forming the electrode assembly in a jelly-roll fashion by winding the electrode and a stacked structure of the separation membrane, which creates a friction that decreases a coating layer made of CONIF on the outer surface of the mandrel.
본 발명은 전극 및 분리막의 적층체를 권취하여 젤리-롤 타입의 전극조립체를 형성하기 위한 로드 형태의 권심을 구비하고, 상기 권심의 외부면에는 CONIF 코팅으로 이루어진 마찰저감층이 마련된 것을 특징으로 하는 원통형 이차전지의 전극조립체 제조용 와인딩 장치를 개시한다. |
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