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Current Situation Of Gel Lead-acid Power Battery In China
- Apr 03, 2019 -

Lead-acid power battery has been the most widely used chemical power supply in military and civil fields since it came out. Because it uses sulfuric acid electrolyte, acid will flow out during transportation, and acid mist will come out during charging, which will cause damage to the environment and equipment. People try to "fix" the electrolyte and "seal" the lead-acid power battery, so the lead-acid power battery using colloidal electrolyte came into being. Colloidal lead-acid power battery is simply a kind of lead-acid power battery using colloidal electrolyte. Colloidal lead-acid power battery is a kind of lead-acid power battery. The simplest way is to add gelling agent in sulfuric acid to make the sulfuric acid electrolyte into colloidal state.


世界杯预选赛竞猜The difference between gelled lead-acid power battery and ordinary lead-acid power battery is not only that the electrolyte is changed to gelled state, but also further developed to the research of electrochemical characteristics of electrolyte infrastructure, as well as the application and promotion in grid and active substances. For example, the use of non condensing solid-state water-based colloidal lead-acid power battery belongs to colloidal lead-acid power battery in terms of electrochemical classification and characteristics. For example, the use of polymer materials in grid, commonly known as ceramic grid, is the characteristic of gel lead-acid power battery. Recently, a kind of targeted coupling agent has been added to the plate formula in the laboratory, which greatly improves the reaction utilization rate of the active materials of the plate.


The quality and filling process of colloid have an important influence on the quality of colloidal lead-acid power battery, while the design, manufacturing process and application conditions (especially the charge and discharge process) of colloidal lead-acid power battery restrict the performance of colloidal lead-acid power battery. The characteristics of the gel must be compatible with the structure and service conditions of the battery. The structure and operating conditions of VRLA battery are conducive to the stability of the colloid. The colloid characteristics make the performance of VRLA battery more perfect. Modern and excellent gel lead-acid power batteries are all produced based on the valve controlled sealed lead-acid power battery process, and the gel lead-acid power battery made of semi-finished products of ordinary lead-acid power battery without modification is also a controversial issue recently.


Colloid filling, gel stability and ensuring the capacity of colloidal lead acid battery are three key technologies of colloidal lead acid battery. The colloidal lead acid battery produced by SunShine Co in Germany is very low in viscosity, and colloid lead acid power battery is filled with atmospheric pressure natural method. Even large-scale gel lead-acid power batteries are filled up like dilute sulfuric acid. The gel is fully gel in lead-acid battery. It has a paste paste inside and outside the polar group. There is no liquefaction in the whole life period of the colloidal lead acid battery. This is difficult for the colloidal lead-acid battery produced in China.


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