Preparation of liquid state soft-package lithium-ion battery

The 053048 type liquid state soft-package lithium-ion batteries were successfully prepared by applying soft-package technology. The technics process of preparation of liquid state soft-package lithium-ion battery was simply introduced. Choosing high quality packaging film, adopting pressing mold technology and hot plate adhesive technology, processing the lead, the batteries were encapsulated. The results of performance testing show that the discharge capacities at different rates(0.2 C, 0.5 C and 1 C ) are over 500 mAh, the capacity retention is about 90% after 300 cycles, the performance of adapting environment, high and low temperature, short circuit and self-discharge entirely reach the standard of China. Liquid state soft-package lithium-ion battery has competitive advantages in price, performance and technics, and it has wide foreground market.