What are the factors that influence this optimum charge value from the

There is an optimal charging current value for different state parameters and environmental parameters. So, what are the factors that influence this optimum charge value from the perspective of the battery structure?

Lithium batteries are known as "rocker" batteries where charged ions move between the positive and negative terminals to transfer charge to an external circuit or to charge from an external power source. During the specific charging process, an external voltage is applied to both poles of the battery and the lithium ions are removed from the positive material and enter the electrolyte. At the same time, the excess electrons generated move through the positive electrode collector and through the external circuit to the negative electrode; the lithium ion is in the electrolyte. It moves from the positive electrode to the negative electrode and reaches the negative electrode through the separator; through the SEI film on the surface of the negative electrode embedded in the graphite layer structure of the negative electrode and combined with the electrons. The structure of the cell, both electrochemical and physical, affects the entire charge transfer of ions and electrons operating, which can have an impact on the performance of fast charging. For batteries, if you want to improve power performance, you need to work on all aspects of the battery as a whole, including the positive electrode, the negative electrode and the electrolyte.