전지

• Main Authors: MIKAMI MAYUMI, KURIKI KAZUTAKA, TAJIMA RYOTA, TAKAHASHI TATSUYOSHI
• Format: Patent
• Language: Korean
• Published: 08.08.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

전극 리드와 집전체 노출부의 접속에 있어서 전극의 변형이 억제되는 전지를 제공한다. 전극과, 전극을 내포하는 외장체와, 외장체의 내부에서 외부로 연장되는 리드를 가지고, 전극은 집전체와 활물질층을 가지고, 전극은 집전체 위에 활물질층이 제공되는 제 1 영역 및 집전체가 노출되는 제 2 영역을 가지고, 전극의 제 2 영역은 집전체가 접히는 제 3 영역을 가지고, 리드는 제 3 영역에서 전극과 접속되는 전지. The present invention addresses the problem of providing a battery in which electrode distortion is suppressed in a connection between an electrode lead and a current-collector exposed section. The present invention provides a battery having electrodes, an outer casing that contains the electrodes, and leads that extend from the interior of the outer casing to the exterior thereof, wherein: each of the electrodes has a current collector and an active material layer; each of the electrodes also has a first region in which the active material layer is provided on the current collector and a second region in which the current collector is exposed; the second region of each of the electrodes has a third region in which the current collector is folded; and each of the leads is connected to the electrode in the third region.