31results about How to "Delayed softening and shedding" patented technology

The invention discloses a lead mesh grid for a lead storage battery and a preparation method of the lead mesh grid. The lead mesh grid is characterized by comprising a grid body formed by weaving warps and wefts, wherein the grid body at least comprises one independent grid; a lead mesh coating area formed by the grid body is arranged at the boundary of the independent grid, and thick plastic wires or thick lead wires are arranged in the weft direction of the grid body so as to form two side frames extending in the weft direction of the independent grid; and a lead mesh coating area formed bythe grid body is arranged at the boundary of the independent grid, and thick plastic wires or thick lead wires or a plurality of thin plastic wire twisted edges or hot melting wire twisted edges are arranged in the warp direction of the grid body so as to form two side frames extending in the warp direction of the independent grid. The lead mesh grid has the advantages that the use amount of leadis small, the grid is provided with the side frames, expansion of active substances can be limited in the charging and discharging process of the battery, positive and negative active substance contact short circuit and positive active substance softening and falling are not likely to happen, the service life of the battery is prolonged, and the grid is provided with tabs and does not need prefabricated busbars.

The invention provides a method for acid-free external formation of a lead-acid storage battery and the lead-acid storage battery. During the formation, a neutral electrolyte is used instead of a sulfuric acid electrolyte, which prevents acid mist pollution and avoids the contamination of the conventional external formation plate. Lead wastewater, while the conversion efficiency and plate quality are superior to the internal conversion process, and there is no waste acid generated in the internal conversion process, so as to achieve the purpose of saving energy and reducing emissions, and improving product quality.

The invention provides a lead-carbon battery negative electrode paste, which comprises the following components in parts by mass: lead powder 1-99%; carbon-oxide composite material 0.1-90%; carbon black 0-0.5%; sulfuric acid Barium 0.1~2; short fiber 0.05~0.1; organic leavening agent 0.01~3.2. The oxides on the surface of the carbon material and in the pores of the lead paste are tightly adsorbed around the carbon material in the form of ions. During the curing and drying process, they are recombined on the surface and pores of the carbon material. "Dissolution-recombination" makes the carbon material more active. The surface and pores are evenly attached with tiny thin oxide layers, which greatly improves the bonding degree of carbon materials and oxides, fully exerts the electrical conductivity and capacitance characteristics of carbon materials, and limits hydrogen evolution on the surface of carbon materials.

The invention discloses a grid for a lead storage battery and a manufacturing method, and provides an electroplating carbon fiber lead mesh grid and a manufacturing method with simple process, low manufacturing cost, high production efficiency and good electrical conductivity, and solves the problems in the prior art. The existing warp and weft threads are all lead wires, the amount of lead is large, the cost is high, the process is complex, and the production efficiency is low. It includes a grid woven by several warp threads and weft threads. The filaments are distributed at intervals, the wefts are formed by carbon fiber filaments and weft plastic filaments, and there are gaps between adjacent warp threads and adjacent weft threads, and the surface of the carbon fiber filaments is covered with a lead-plated layer.

The invention discloses a positive plate reinforced lead-acid accumulator which comprises a positive plate and a negative plate. The invention is characterized in that a carbon fiber composite coating is coated on the active substance surface of the positive plate, and the carbon fiber composite coating is the mixture of carbon fibers and the corresponding substrate. Since the carbon fiber composite coating with high strength and superhigh bearing capacity is coated on the active substance surface of the positive plate, the invention greatly enhances the structural strength and the dimensional stability of the positive plate and prolongs the service life of the accumulator.