NB/T 10827-2021 《Test method for ionic conductivity of solid-state electrolytes for solid-state batteries》 Related products

"NB/T 10827-2021 Test Method for Ion Conductivity of Power Battery Thin Films" is an industry standard issued by the National Energy Administration. It was released on November 16, 2021 and implemented on February 16, 2022. The standard specifies the method for testing the ion conductivity of power battery thin films by AC Impedance Method (EIS), including term definitions, symbols, test instruments and materials, test preparation, test steps, result processing and data dispersion analysis. Its application scope includes ion conductivity testing of power battery thin films such as lithium-ion batteries and sodium-ion batteries, providing a unified test method and evaluation standard for battery material research, manufacturing and performance evaluation. The implementation of this standard helps to promote technological progress and product mass improvement in the power battery industry.