ELECTRODE ASSEMBLY INTEGRATED WITH ELECTRODE LEAD AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: PARK SUNG BIN, CHO MI-RO, ZHAO YUHENG, KWON SOON HO, KIM MIN-KYU
• Format: Patent
• Language: Chinese; English
• Published: 07.04.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to an electrode assembly including positive electrodes, negative electrodes, and a separator interposed between the positive electrodes and the negative electrodes, in which electrode tabs protruding from an outer periphery of at least one of side surfaces of the plurality of positive electrodes and the plurality of negative electrodes are in close contact with each other in a lamination direction and are coupled to each other, thereby forming an electrode tab bundle, at least one through hole passes through the electrode tab bundle, a connecting member formed of an electrically conductive material is inserted into the through hole, and the electrode lead is electrically connected to the electrode tab bundle by means of the molten connecting member, and the electrical connection between the electrode tab bundle and the electrode lead may be achieved by a heating and pressing method. 本发明涉及电极组件，该电极组件其包括正极、负极和置于正极和负极之间的隔膜，其中，从多个正极和多个负极的侧面中的至少一个侧面的外周突出的电极接头，电极接头在层叠方向上彼此紧密接触并且相互联接，从而形