As the launch date of the M9 is approaching, more and more information is being exposed. Recently, people close to the supply chain revealed that lithium battery innovative material composite current collectors are expected to be applied to the M9.
The composite current collector is a sandwich structure superimposed by "metal-PET/PP polymer material-metal", replacing the original pure metal foil. With the application advantages of high safety, long life, high energy density and low raw material cost, it is expected to replace the traditional current collector and become the mainstream material of lithium battery current collector in the future.
GAC Aian released the magazine battery 2.0, which is the first battery in China to announce the use of composite current collectors. The first model is the Haobo GT. At the car launch, Aian also announced the test report of the fully charged battery pack fired by bullets. The results showed that the bullets penetrated three cells, causing an instant internal short circuit and explosive damage to the cells. However, the battery pack only smoked and did not catch fire, and the temperature dropped to room temperature after standing for 24 hours.
In addition, the Ningde era Kirin battery has adopted a composite current collector and is mounted on the pure electric MPV electrode Krypton 009.
The CITIC Construction Investment Research Report believes that the composite collector is both safe and economical, and is a major innovation in lithium batteries. In 2023, the industrial trend will gradually become clear to significantly accelerate, and equipment manufacturers, new copper foil factories, battery factories and end users will accelerate their layout. At the same time, technological breakthroughs continue to promote the production of composite collector vectors, and 2023 is expected to become the first year of mass production.