Group 1 - The core viewpoint of the article highlights the significant advancements in solid-state battery technology, particularly focusing on QuantumScape's new production process for solid-state battery separators, which is expected to reshape the industry landscape [2][3][5] - QuantumScape's "Cobra" process has transitioned from experimental to industrial-scale production, enabling the manufacturing of battery separators at a rate of "hundreds of square meters per hour," positioning it for GWh-level annual production capacity [3][5][6] - The new manufacturing platform addresses key challenges in the production of ceramic separators, achieving a breakthrough in thermal processing speed, reportedly 25 times faster than previous generations, while reducing equipment footprint [5][6][7] Group 2 - The article discusses the increasing trend among domestic separator companies to enter the solid-state battery supply chain by focusing on "supporting membranes," although this may not be the ultimate solution to the industry's challenges [2][8] - Recent developments indicate that solid electrolyte base membranes are evolving from polymer systems to more complex sulfide systems, with companies like Ruigu New Materials announcing the launch of a hundred-ton production line for sulfide solid electrolytes [8][12] - The article emphasizes the need for separator companies to balance high porosity and large pore sizes with mechanical strength and thermal stability to avoid deformation risks during battery assembly [9][10][12] Group 3 - The article outlines the critical challenges in achieving tight contact between solid electrolyte materials and base membranes, which is essential for the performance of solid-state batteries [10][11][12] - Companies are exploring various solid electrolyte membrane technologies, including oxide and polymer composite types, to enhance battery safety and performance [11][12] - The current focus of separator companies on becoming "base membrane" suppliers is seen as a pragmatic approach, but the article suggests that true competitive advantage lies in mastering solid electrolyte materials and their integration within the entire battery system [12]