Out of the lead-acid battery economy and technology, the world's lead-acid battery industry is almost entirely applied to a lead-free plate and a tubular plate. Basic physical chemical properties are related to the properties of the oxidized lead powder: a crystal variant (crystal type) contained in A. PBO (lead); B. chemical components. C. Density (real density, trick density, visual density); d. Water absorption and suction acid; E. Particle size and distribution; f. The specific surface area; 9. Porosity; H. Lead purity and doping of raw materials.The above parameters is important to control some of the characteristics of the production process. The main purpose is to obtain the properties of the performance stable suitable for each process and manufacturing processes (chemical composition, visual density, acid value and water absorption), and other characteristics (lead powder transistor, particle size, porosity, specific surface ), The life of the battery, the capacity of capacity, and the final impact on battery performance.
Determination of the characteristics of the lead powder is quite important, especially the repeatability of sample analysis. Sampling in a large number of samples, must consider the factors that will change the characteristics of the lead powder before analysis, such as the lead powder samples are exposed to the atmosphere or in a moist gas.
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