admin

What is the effect of temperature on battery performance and the startup of dry charged battery

Lead-acid batteries – the effect of temperature on battery performance and the use of dry-charged batteries

Effect of temperature on battery performance It can be seen from the reaction equation that PbO2 is on the positive plate and Pb is on the negative plate. The conductivity of these two substances changes very little with temperature. Therefore, it can be said that the temperature effect of battery discharge performance is caused by …

Lead-acid batteries – the effect of temperature on battery performance and the use of dry-charged batteries Read More »

What is the "reverse polarity" of a battery?

What is the “reverse polarity” of a battery?

The chemical reaction equation of a lead-acid battery says: PbO2+2H2SO4+Pb=PbSO4+2H2O+PbSO4 It can be seen from the reaction equation that PbSO4 is generated on the positive and negative plates after the discharge is completed. At this time, theoretically speaking, if the same substance is immersed in the electrolyte, there is naturally no potential difference, and there …

What is the “reverse polarity” of a battery? Read More »

What is battery water consumption?

What is battery water consumption?

The chemical reaction equation of a lead-acid battery says: PbO2+2H2SO4+Pb=PbSO4+2H2O+PbSO4 It can be seen from the reaction equation that the acid in the electrolyte only participates in the electrochemical reaction. During charging, it changes from the combined state of the solid on the electrode plate to a new ecology and enters the electrolyte, and when …

What is battery water consumption? Read More »

What are the limiting factors for the charge-discharge reaction?

What are the limiting factors for the charge-discharge reaction?

The charge-discharge reaction of the electrode proceeds only at the interface in contact with the electrolyte. As can be seen from Figure 1, the reaction of the positive electrode must be PbO2 and SO42- contact, 0 and H contact, the reaction of the negative electrode must also be Pb and SO42- contact, no contact can …

What are the limiting factors for the charge-discharge reaction? Read More »

What is the desulfurization and capacity recovery technology of lead-acid batteries?

What is the desulfurization and capacity recovery technology of lead-acid batteries?

At (+) electrode:PbO2 + 3H++ HSO4– + 2e –→PbSO4 + 2H2OAt (-) electrode:Pb + HSO4–→PbSO4 + H+ + 2e–Overall reaction formula:PbO2 + Pb + 2H2SO4 → 2PbSO4 + 2H2O It can be seen from the reaction equation that PbSO4 is formed on the positive and negative plates after discharge, and the reaction can proceed to …

What is the desulfurization and capacity recovery technology of lead-acid batteries? Read More »

What is the stratification of electrolyte?

What is the stratification of electrolyte?

When the electrolyte is initially injected into the cell, the density is uniform throughout the solution. However, in the process of charging and discharging, due to the progress of the electrochemical reaction, the density of the electrolyte is different everywhere, and the final result is that the density of the lower part is greater than …

What is the stratification of electrolyte? Read More »

What is the internal resistance of lead-acid batteries?

What is the internal resistance of lead-acid batteries?

In a fully charged state, there are 2 sulfuric acid molecules in the electrolyte; when the electricity is discharged, the 2 sulfuric acid molecules become 2 water molecules. Sulfuric acid is a good conductor of electricity, while water is non-conductive. The conductivity of everyday water is due to impurities in the water. The resistivity of …

What is the internal resistance of lead-acid batteries? Read More »

Corrosion of positive plate in lead-acid battery

Corrosion of positive plate in lead-acid battery

What is the corrosion of the positive plate in the lead-acid battery? It can be seen from the charge-discharge reaction process of lead-acid batteries, when the positive plate is in the charging reaction, Pb and O have a process of combining and separating. When discharging, O is first separated from the bound state, and then …

Corrosion of positive plate in lead-acid battery Read More »

What is the analysis of electrode load in lead acid batteries

What is the analysis of electrode load in lead acid batteries?

This chapter introduces the analysis of electrode load in lead acid batteries. It can be seen from the charge-discharge reaction process of lead-acid batteries that the number of ions entering and exiting the positive plate is more than that of the negative plate, and the ions need electrochemical energy to enter and exit. Therefore, the …

What is the analysis of electrode load in lead acid batteries? Read More »