Ni-catalyzed Degradation of Polyimide Separators in Quasi-Solid-State Li-ion Batteries

Key Points

• The aim is to explore the degradation process of polyimide separators in lithium-ion batteries using nickel catalysis.
• Investigated the thermal properties of polyimide.
• Evaluated mechanical strength under various conditions.
• Applied nickel catalysts to initiate degradation while measuring performance changes.
• Demonstrated effective polyimide degradation through nickel catalysis.
• Observed improvements in thermal stability during battery operation.
• Found that mechanical strength of separators changed significantly after catalysis.