Recently, Nissan officially announced its progress in the research and development of solid-state batteries, the performance of battery prototypes, and key processes in the manufacturing process. It is understood that Nissan has cooperated with NASA, Tokyo Institute of Technology and other units to conduct research on battery material selection and internal reaction analysis of solid-state batteries for all-solid-state batteries based on sulfide solid-state electrolytes. Nissan has completed the actual measurement of the charge and discharge performance of the 1000Wh/L level electrode, which can be charged from 15% to 80% within 15 minutes at 25°C, and can safely pass the acupuncture test. Since solid electrolytes have fewer side reactions and more stable chemical properties than liquid electrolytes in battery reactions, they are considered to be one of the solutions to the safety of power batteries. Thanks to the advantages of stable chemical properties, the selection of positive and negative materials for all-solid-state batteries is wider, and materials with high energy density, easy availability and lower cost can be used, and the maximum operating temperature can also be from liquid electrolyte batteries. Raised to above 100 ℃, which has a certain positive significance for improving the charging speed of the battery. At the end of last year, Nissan released the “Nissan Vision 2030″ (Nissa .
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