Top plate for laser welded lithium-ion button cell battery

• Main Authors: Wang, Fang, Wang, Yiheng, Yang, Zui, Yang, Youqing, Li, Zhen, Sun, Fajiong
• Format: Patent
• Language: English
• Published: 24.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A rechargeable lithium-ion button cell battery having a sealed housing includes a top flat plate and a round or oval cup sealed by laser at the rim of top plate whereas connecting the opening end of the cup sidewall. The top plate has a centered sandwiched structure including two outer plates at upp...