ELECTRODE ASSEMBLY, AND SECONDARY BATTERY COMPRISING SAME
An electrode assembly according to an embodiment of the present invention has a first electrode including a first electrode activation part and a first uncoated electrode part, a separator, and a second electrode including a second electrode activation part and a second uncoated electrode part being...
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| Format: | Patent |
| Sprache: | eng ; fre ; kor |
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| Zusammenfassung: | An electrode assembly according to an embodiment of the present invention has a first electrode including a first electrode activation part and a first uncoated electrode part, a separator, and a second electrode including a second electrode activation part and a second uncoated electrode part being stacked and wound around a winding axis, wherein the first electrode activation part comprises a first small electrode part including a first substrate and first active material layers respectively formed on both surfaces of the first substrate, and a second small electrode part including an exposed surface of the first substrate, wherein the first active material layer is formed on the other surface of the first substrate, and wherein the second small electrode part is located in a first curved surface part that is created by first rotation of the electrode assembly.
Un ensemble d'électrodes selon un mode de réalisation de la présente invention comprend une première électrode comprenant une première partie d'activation d'électrode et une première partie d'électrode non revêtue, un séparateur, et une seconde électrode comprenant une seconde partie d'activation d'électrode et une seconde partie d'électrode non revêtue empilées et enroulées autour d'un axe d'enroulement, la première partie d'activation d'électrode comprenant une première petite partie d'électrode comprenant un premier substrat et des premières couches de matériau actif respectivement formées sur les deux surfaces du premier substrat, et une seconde petite partie d'électrode comprenant une surface exposée du premier substrat, la première couche de matériau actif étant formée sur l'autre surface du premier substrat, et la seconde petite partie d'électrode étant située dans une première partie de surface incurvée qui est créée par la première rotation de l'ensemble d'électrodes.
본 발명의 한 실시예에 따른 전극 조립체는 제1 전극 활성부와 제1 전극 무지부를 가지는 제1 전극, 세퍼레이터 및 제2 전극 활성부와 제2 전극 무지부를 가지는 제2 전극을 적층하여 권회축을 중심으로 권취한 전극 조립체에 있어서, 제1 전극 활성부는 제1 기재, 상기 제1 기재의 양면에 각각 형성되어 있는 제1 활물질층을 포함하는 제1 소전극부, 상기 제1 기재의 일면은 노출되어 있고, 제1 기재의 타면에 형성되어 있는 상기 제1 활물질층을 포함하는 제2 소전극부를 포함하고, 제2 소전극부는 상기 전극 조립체의 첫번째 회전으로 생성되는 제1 곡면부에 위치한다. |
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