RECHARGEABLE BATTERY

Disclosed is a secondary battery capable of efficiently securing structural stability. The secondary battery of the present invention comprises: an electrode assembly in which a separator is interposed between a first electrode and a second electrode; a case having an opening port on one side and ac...

Full description

Saved in:
Bibliographic Details
Main Authors CHOI WONHWA, WOO BYONGCHUL
Format Patent
LanguageEnglish
Korean
Published 02.03.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online AccessGet full text

Cover

More Information
Summary:Disclosed is a secondary battery capable of efficiently securing structural stability. The secondary battery of the present invention comprises: an electrode assembly in which a separator is interposed between a first electrode and a second electrode; a case having an opening port on one side and accommodating the electrode assembly; a cap assembly coupled to the opening port to seal the case; a first electrode tab extending from the first electrode and coupled to the case; and a second electrode tab extending from the second electrode and coupled to the cap assembly, wherein the cap assembly includes: a metal layer to which the second electrode tab is coupled; and a plastic layer laminated on an outer surface of the metal layer. 이차전지가 개시되며, 본 발명의 일 실시예에 따른 이차전지는 제1전극 및 제2전극 사이에 세퍼레이터가 개재되는 전극조립체, 일측에 개구를 가지며, 상기 전극조립체가 수용되는 케이스, 상기 개구에 결합되어 상기 케이스를 밀폐하는 캡 조립체, 상기 제1전극에서 연장되어 상기 케이스에 결합되는 제1전극탭 및 상기 제2전극에서 연장되어 상기 캡 조립체에 결합되는 제2전극탭을 포함하고, 상기 캡 조립체는, 상기 제2전극탭이 결합되는 금속층 및 상기 금속층의 외표면에 적층되는 플라스틱층을 포함한다.
Bibliography:Application Number: KR20190101314