SEC Power announced that the country’s first all-solid-state battery pilot production line will be completed by the end of this year. Adopting sulfide system, it enables continuous trial production of 60Ah cells with an energy density of 400Wh/kg, and has passed test verifications including 210℃ thermal chamber test and over 1000 cycles. Meanwhile, equipment installation for Zhenhua New Materials’ solid electrolyte pilot line is in the final phase. The accelerated industrialization of solid-state batteries is pushing slurry degassing purity to an unprecedented level: the industry’s gas content standard for slurry degassing has tightened from around 300ppm to below 50ppm, and solid-state battery vacuum degassing mixers are gaining momentum accordingly.

Compared with liquid lithium-ion batteries, sulfide solid electrolyte slurries are more sensitive to moisture and air bubbles. Residual bubbles cause poor interfacial contact and interruption of ion conduction paths, directly impairing cell capacity and cycle life. Therefore, solid-state battery production lines impose higher requirements on vacuum degree, sealing performance and online gas content monitoring capability for lithium battery degassing machines and battery slurry mixers. The penetration rate of high viscosity vacuum degassing machines in electrolyte slurry processing is rising rapidly.

Continuous trial production on pilot lines requires slurry processing equipment to shift from batch operation to stable continuous feeding. The cycle time, consistency and cleanliness of the vacuum degassing process directly determine the reliability of pilot test data. For equipment suppliers, this serves as a critical window to evolve from laboratory-scale equipment to production-line-grade equipment.

Sinos vacuum degassing mixer product line can meet slurry degassing demands from laboratory R&D to pilot verification. The MIX1000 model is designed for scenarios with high-viscosity and high-cleanliness materials. Solid-state battery enterprises pay more attention to degassing purity, batch consistency and data traceability in equipment selection. vacuum degassing mixer prices vary significantly with configurations such as vacuum systems, cleanliness grades and monitoring modules. It is recommended to conduct comprehensive evaluation combining process requirements and suppliers’ technical solutions.

The launch of all-solid-state battery pilot lines means technical standards for slurry degassing will be redefined: gas content requirements will be further tightened at the ppm level, and equipment needs to deliver high vacuum, high cleanliness and continuous operation simultaneously. With parallel development of multiple technical routes including sulfides and oxides, solid-state battery pilot and mass-production lines will be intensively commissioned in the next 2 to 3 years. High viscosity, high cleanliness and traceability will be the core competition factors for equipment in this track.