38results about How to "Improves deep cycle performance" patented technology

The invention relates to a lead-calcium alloy used on a starting type storage battery, which is composed of a lead-calcium-tin alloy. The lead-calcium-tin alloy comprises calcium, tin, aluminum, misch metal and lead; the weight percentage of the calcium in the lead-calcium-tin alloy is 0.02 to 0.06 percent; the weight percentage of the tin in the lead-calcium-tin alloy is 0.10 to 1.0 percent; the weight percentage of the aluminum in the lead-calcium-tin alloy is 0.01 to 0.03 percent; the weight percentage of the misch metal in the lead-calcium-tin alloy is 0.01 to 1.00 percent; the other weight percentage is composed of the lead. Compared with prior art, an electric vehicle battery which is assembled by a lead-acid accumulator grid produced by using the lead-calcium alloy has the advantages of corrosion resistance, deep cycle, large-current discharge and long service life.

The invention relates to a repairing system for lead-acid storage cells, which is formed by the combination of a cell equalizer and a desulfuration charger, aiming at the problem of the irreversible sulfuration of lead-acid storage cells, wherein the invention uses repair agent to repair, (or a series of repairing apparatuses to be matched with the repair agent for direct repair); the invention can refresh wasted vulcanized cells; the technology which is based on a principle of the self repairing or physical-chemical combination desulfuration realizes an aim of quickly eliminating the sulfuration. The invention has the advantages of more than doubling service lives of all lead-acid storage cells, prolonging driving distance of all vehicles and repairing all wasted lead-acid storage cells; moreover, the technology of the invention also has the advantages of simple operation, low cost, easy popularization, wide application range and obvious economic and social benefits.

The invention belongs to the field of metallurgy, and relates to a lead-antimony rare-earth positive grid alloy and a preparation method thereof. The alloy comprises the following metal elements in percentage by mass: 0.5 to 1 percent of antimony, 0.005 to 0.1 percent of lanthanum, 0.005 to 0.1 percent of samarium, and the balance of lead. The preparation method comprises the following steps: preparing lead-lanthanum and lead-samarium alloy as master alloys; adding pure antimony into molten lead, stirring until the pure antimony is completely molten; and adding the lead-lanthanum and lead-samarium master alloys to perform mixed melting to prepare the lead-antimony rare-earth positive grid alloy. Grains of the prepared alloy become fine, uniform and regular, so that the comprehensive mechanical performance of the alloy can be improved, the impedance of an oxide film can be reduced, and the charge and discharge acceptance and deep cycle performance of a storage battery can be improved. Meanwhile, rare-earth element serves as an additive to prepare the lead-antimony grid alloy, arsenic, cadmium and other elements harming the environment and workers on the forefront of production severely are not contained. Therefore, lead alloy pollution can be reduced furthest.

The invention was involved in one slab lattice material with corrosion resistance and fine deeprecycle. The alloy consist of 0.06%-0.08%, 0.30%-1.50% Sn, 0.02%-0.04% Al,0.01%-0.04% Cu, 0.008%-0.05% Ag and little of Pb. The alloy had enough mechanical strength, namely enough setting rate, fine corrosion resistance, deep discharge and good recycling performance. It was suitable to develop the late model green power battery with exempt maintenance performance. It was with high energy, deep charge and discharge recycling, large electric current discharge and ultrathin type.

The invention belongs to the technical field of storage batteries, and specifically relates to a lead plaster composition of a positive electrode of an internally formalized storage battery. The lead plaster composition of the positive electrode of the internally formalized storage battery is prepared from the following raw materials in parts by weight: 990-1010 parts of lead powder, 0.5-1.5 parts of fibers, 0.5-1.0 part of phosphoric acid, 1-2 parts of antimonous oxide, 0.7-1.2 parts of zinc oxide, 0.5-1.5 parts of aluminum oxide, 0.5-0.8 part of ammonium hydrogen carbonate, 0.3-0.5 part of cerium hydroxide, 0.7-1.5 parts of tin monoxide, 110-130 parts of water and 80-90 parts of dilute sulphuric acid. The lead plaster composition of the positive electrode is improved, so that capacity attenuation of the internally formalized battery in the early stage is inhibited, and the service life of deep circular discharge of the battery is prolonged.

The invention relates to a novel positive grid lead-calcium alloy for a lead-acid storage battery. The alloy is prepared from components in percentage by weight as follows: 0.05%-0.12% of calcium, 0.5%-1.5% of tin, 0.06%-0.11% of bismuth, 0.07%-0.15% of rare earth elements and the balance of lead, wherein the rare earth elements are one or more of ytterbium, gadolinium and lanthanum. The ingredients of the grid alloy are improved by adding tin, bismuth, the rare earth elements and other additives, and a novel deep-cycle and maintenance-free grid alloy material for the lead-acid storage batterywhich is corrosion-resistant, good in charging property and mechanical property and long in cycle life is obtained.

The invention belongs to the technical field of manufacturing of lead-acid storage batteries for starting, and particularly relates to a deep-cycle long-life lead-acid storage battery lead paste for parking, a battery thereof and a manufacturing process method of battery. The deep-cycle long-life lead-acid storage battery lead paste for parking comprises positive lead paste and negative lead paste, wherein the positive lead paste is prepared from 71-80% of lead powder, 5.8-7.2% of sulfuric acid solution, 10-12% of water, 4-10% of red lead, 0.06-0.25% of antimony trioxide and phosphoric acid in total and 0.07-0.08% of polyester fiber; and the negative lead paste is prepared from 79.5-82% of lead powder, 6.5-6.8% of a sulfuric acid solution, 10-12% of water, 0.8-1.0% of superfine barium sulfate, 0.15-0.25% of Norway A type lignin, 0.3-0.4% of humic acid, 0.2-0.3% of acetylene black and 0.05%-0.06 of polyester fibers. The deep cycle performance of the battery is effectively improved and the cycle service life of the battery is obviously prolonged by optimizing the positive and negative lead paste formulas, performing age hardening and grid surface corrosion film generation treatment on the grid in stages, curing the unformed plate in stages and optimizing the charging formation process parameters.

The invention provides a high temperature resisting deep-circulation lead acid battery, whose positive grid alloy employs silver-bearing alloy with high temperature and corrosion resistance and dehydration prevention, and rare earth oxide yttria is added into the anode lead paste formula, and a mixed expanding agent with high temperature resistance and oxidation prevention is added into the cathode lead paste formula. A battery housing and a top cover are made of PC/ABS alloy plastic with high temperature resistance. In order to satisfy the tight assembling requirement of the battery, the pole group is banded and packed into the housing, thereby guarantying the pole group assembling pressure does not change obviously during the usage period of the battery. The battery has effectively improved high temperature resisting deep circulation performance and service life, and is suitable for application in environment above 45 DEG C.

The invention discloses a deep-cycle valve-control lead-acid storage battery. 1-2% of super electric conducting carbon black and 2-3% of colloidal graphite material are added into a positive electrode active material, and 0.5-1.5% of sulfate and 1%-2% of phosphoric acid are added into electrolyte, and the plate group assembled compression ratio is 60%-70%. According to the invention, excessive charging and discharging withstanding capabilities of the battery are improved, and high-temperature and normal-temperature cycle service lives of the battery are prolonged; the problems that the conventional lead-acid storage battery is easy to dehydrate at high temperature and the cycle service life is short are solved; and the valve-control lead-acid storage battery which is suitable for energy storage in deep cycle occasions is provided.

The invention discloses rare earth grid alloy for a lead-acid storage battery. The rare earth grid alloy comprises the raw materials of, by weight, 0.10% to 0.14% of calcium, 0.8% to 1.5% of tin, 0.02% to 0.05% of aluminum, 0.2% to 0.4% of bismuth, 0.05% to 0.15% of RE and the balance of Pb. When rare earth elements are added into the lead-based alloy for the lead-acid storage battery, the rare earth alloy has the advantages of a Pb-Sb system and a Pb-Ca system. The problems existing in preparation of a grid in the prior art are effectively solved. The performance of the grid is obviously improved, meanwhile, the performance of the battery is improved, and the service life of the battery is prolonged. The problem of poor charging acceptance in winter is solved. The rare earth grid alloy has a good application prospect in the field of lead-acid storage batteries.

The invention applies technique of activation and recovery to lead acid battery by using activator and activating instrument. Having high frequency impulse power supply, the activating instrument can send out high frequency impulse in frequency identical to natural frequency of molecule of compound sulfuric acid. The invention solves technical difficulties of low degree of recovery if the activator and activating instrument is applied solely in prior art. The invention is mainly applied to activation and recovery for each sort of lead acid battery (set).

The invention discloses a low-temperature deep-cycle positive grid alloy which consists of the following materials in percentage by weight: 0.05-0.12% of calcium, 0.2-2.0% of tin, 0.01%-0.1% of aluminum, 0.01-0.2 of zinc and the balance of lead. The alloy disclosed by the invention has good low temperature performance, and reduces impedance for forming an anode corrosion membrane at a low temperature. The zinc element can improve deep-cycle performances of the battery very obviously even under a low temperature condition due to good conductivity of PbZnO oxides.

The invention relates to a lead-calcium-tin-copper rare earth grid alloy, a positive grid and a lead-acid storage battery. The lead-calcium-tin-copper rare earth grid alloy comprises the following components of, in weight by percentage, 0.04wt%-0.1wt% of calcium, 0.3wt%-1.0wt% of tin, 0.02wt%-0.06wt% of copper, 0.02wt%-0.2wt% of rare earth elements and the balance lead; and the method comprises the following steps of S1, dividing the required amount of electrolytic lead in claim 1 into two components, namely a component 1 and a component 2; S2, preparing copper rare earth master alloy; and S3,preparing the lead-calcium-tin-copper rare earth grid alloy. According to the lead-calcium-tin-copper rare earth grid alloy, the positive grid and the lead-acid storage battery, lanthanum and ceriumrare earth elements and copper elements are simultaneously added on the basis of the lead-calcium alloy which is widely used at present, so that the impedance of an oxide film on the surface of the grid can be effectively reduced, the deep cycle performance is improved, the growth of lead dioxide can be promoted, the corrosion resistance of the alloy is improved, good deep cycle performance and longer floating charge service life are realized, and meanwhile, the production cost is further reduced.

The alloy with very low Sb content for accumulator plate contains Sb 0.7-1.0 wt%, Cu 0.03-0.06 wt%, S 0.003-0.006 wt%, As 0.15-0.25 wt% and Sn 0.1-0.3 wt% except Pb. The alloy has lower Sb content and thus low cost, and has raised Cu, As and trace elements resulting in raised strength, raised anticorrosive performance, high creepage resistance, and raised comprehensive product performance.