Laminated battery

• Main Author: NAKAJIMA SATOSHI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

This laminated battery (1) is provided with an electrode body (20), a laminated exterior body (10), and positive and negative terminals. At least one of the positive and negative terminals is made of a plate-shaped composite material in which a first metal (40) and a second metal (50), which are different from each other, are joined together, and a tab film (70) made of a resin material is disposed on the surface of each of the first metal and the second metal of the composite material. The boundary region between the first metal and the second metal of the composite material is not exposed outside the outer package body, and the tab film is arranged on the periphery of the wide surface of the composite material, except for the boundary region and close to the boundary region, and is welded to the outer package body. 本发明公开的层压式电池(1)具备电极体(20)、层压外包装体(10)以及正负极端子。所述正负极端子中的至少任一个的端子由接合相互不同的第一金属(40)和第二金属(50)而成的板状的复合材料构成，在所述复合材料的所述第一金属及所述第二金属各自的表面配置有由树脂材料构成的极耳胶(70)。所述复合材料的所述第一金属与所述第二金属的边界区域不露出于所述外包装体的外部，所述极耳胶配置于所述复合材料