35results about How to "Improve deep cycle life" patented technology

The invention discloses a gel battery for an electric vehicle, which comprises a battery container, a battery middle cover arranged on an opening part of the battery container, a battery upper cover plate sealed on the battery middle cover, and a positive plate and a negative plate arranged in the battery container; the outer side of the positive plate is coated with a glass fiber mat clapboard with a U-shaped structure; the outer side of the negative plate is coated with a composite glass fiber clapboard with a U-shaped structure; the composite glass fiber clapboard is formed by compositing two glass fiber layers, the outer layer is an ultra-fine glass fiber substrate, and the inner layer is a glass fiber mat; and the inside of the battery container is also provided with gel electrolyte of which the gel content is 4 to 10 percent. The gel battery can effectively prevent short circuits of positive and negative poles of the battery; the glass fiber mat has good mechanical strength and elasticity, and can ensure the stability of assembly pressure; and the gel battery also has the advantages of big aperture of the fiber mat, easy pouring of gel, even distribution and the like, and has good stability and low cost.

The invention discloses a cathode active material of a lead-acid battery for UPS (Uninterruptible Power Supply), which mainly comprises lead powder, polypropylene fiber, sulfuric acid and deionized water. The cathode active material has the improvement that the lead powder is a mixture of free lead, lead oxide and lead dioxide, and the concentration of the sulfuric acid is 1.25-1.30 g / ml; diantimony trioxide and carbon fiber are added into the material; all components are mixed according to reasonable and standard content ranges to obtain sticky lead plaster, and the apparent density is 4.10-4.45 g / cm<3>. The active material has great bonding force, high utilization ratio and good electrical conductivity; when used for manufacturing lead-acid batteries for UPS, the active material can obviously increase the charge acceptance, the high-current starting discharge performance and the deep cycle life of the batteries.

The invention relates to a maintenance-free lead-acid storage battery with excellent deep cycle life and a production method. Positive electrode lead paste of the maintenance-free lead-acid storage battery comprises the following components of 0.05-0.12% of short fibers, 0.05-0.3% of antimonous oxide additive, 0.4-1.5% of 4BS seeds, 8-14% of pure water, 8-12% of sulfuric acid solution and the balance of lead powder, the negative electrode lead paste consists of 0.2-0.4 % of carbon black, 0.05-0.1 % of short fiber, 0.1-0.3 % of lignin, 0.5-1.0 % of barium sulfate, 8-12 % of pure water, 7-12 % of sulfuric acid solution and the balance of lead powder. The method is advantaged in that the utilization rate of active substances of the battery is not sacrificed, through technical comprehensive application, the charging acceptance capability, the 90% SOC dynamic charging acceptance capability and the micro-hybrid MHT life of the battery are greatly improved, and the deep cycle life in a partial state of charge is improved by 30-50%.

The invention relates to an alloy material for a positive slab lattice of a dynamical lead acid storage battery and a preparation method thereof and relates to the manufacturing technical field of the alloy for the positive slab lattice of the dynamical lead acid storage battery. A rare earth metal is coated with lead foils for sealing, powders of calcium, strontium and aluminum are mixed in proportion and pressed into an alloy metal pie; electrolytic lead with the volume of 80 percent of that of a lead melting kettle is measured and heated until the electrolytic lead is melted down; the rare earth metal coated with the lead foils and the alloy metal pie are pressed into the bottom of the lead melting kettle and melted down; tin and bismuth are added when the lead skim is taken out and the mixture produced is evenly stirred; and finally the materials are formed and molded into ingots. As the rare earth composition is added, the alloy material provided by the invention lowers the content of calcium and tin in prior lead-calcium-tin-aluminium quaternary alloy, lowers the content of calcium to enhance the corrosion resistant performance of the slab lattice as well as the content of tin to save the cost, increases the rare earth composition to enhance the corrosion resistant performance, the castability and the mechanical strength of the slab lattice and strengthens the binding force of active materials and the slab lattice to eliminate the influence of 'antimony-free effect'.

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 discloses a positive grid and a preparation method thereof. The positive grid comprises following components in percentage by weight: 1.0 to 2.0% of Sn, 0.04 to 0.09% of Ca, 0.002 to 0.004% of Al, 0.001 to 0.004% of Ag, 0.02 to 0.04% of Na, and the balance being Pb. The positive grid has the advantages that Sn and oxides of Sn and lead are good conductors, the conductivity of contactlayer is improved; Ca can enhance the strength of lead, the compatibility between Ag and lead is good, the corrosion resistant performance of alloy is enhanced; Na can remove harmful substances suchas Cu, Sb, and the like in the alloy; the density of Al is low, Al is distributed on the upper layer of the alloy and protects other main components from being burned; a demoulding agent effectively strengthens the bonding force between the grid and lead paste; the grid defects are eliminated through high temperature age hardening, the grid strength is enhanced, at the same time, the grid grains are refined, the corrosion resistant performance and creep resistant performance are both strengthened, a battery prepared from the positive grid has the advantages of little internal resistance and long deep cycle life, and the capacity fade in the primary period is avoided.

This invention relates to a value controlled lead acid battery positive lead paste prolonging the working life of batteries and devices since it can avoid corrosion to the devices, harm to human bodies or non-uniform mixing which is composed of the components in following weigh percentage taking its weight as the primary standard: short fiber: 0.08-0.5%, water: 5-20% and lead powder for rest.

This invention relates to a value controlled lead acid battery positive lead paste prolonging the working life of batteries and devices since it can avoid corrosion to the devices, harm to human bodies or non-uniform mixing which is composed of the components in following weigh percentage taking its weight as the primary standard: short fiber: 0.08-0.5%, water: 5-20% and lead powder for rest.

The invention provides a valve-controlled sealing lead-acid storage battery for starting and stopping of automobiles. The valve-controlled sealing lead-acid storage battery is characterized in that ytterbium is added into Pb-Ca-Sn positive electrode grid alloy, the main ingredient of the alloy is Pb, Ca accounts for 0.05%-0.09% of the mass of the grid alloy, Sn accounts for 1.0%-2.0% of the mass of the grid alloy, and Yb accounts for 0.005%-0.05% of the mass of the grid alloy; heat treatment is carried out on a grid for 5-60 minutes under the environment with the temperature of 250-320 DEG C; silicon dioxide is added into an AGM (Absorptive Glass Mass) partitioning plate, or silicon dioxide is added into electrolyte, and the content of the silicon dioxide in the electrolyte is 0.3%-1.5%. The valve-controlled sealing lead-acid storage battery provided by the invention has the advantages that by improvement on the grid alloy of the storage battery and combination of improvement on the alloy of the partitioning plate and structural improvement on a battery jar, not only are the characteristics such as the discharging depth, the discharging frequency and the specific energy of the starting and stopping battery achieved, but also the heating amount of the valve-controlled battery is reduced, the expansion and thermal runaway of the battery are prevented, the corrosion resistance of the grid of the battery is improved and the battery can work under the environment with the temperature of 70 DEG C at highest.

The invention discloses lead acid storage battery positive electrode lead paste and a preparation method thereof. The lead acid storage battery positive electrode lead paste is prepared from the following ingredients in parts by weight: 70 to 90 parts of lead powder, 0.01 to 0.1 part of adhesive-free carbon fiber, 0.01 to 0.1 part of basalt fiber, 0 to 0.8 part of 4BS seed crystals, 5 to 12 parts of lead tetraoxide, 2 to 8 parts of antimonous oxide, 1 to 5 parts of polyester fiber, 2 to 6 parts of triniobium aluminum, 2 to 7 parts of sulfuric acid, 6 to 8 parts of hydrosulfate,3 to 6 parts of nanometer silicon dioxide, 15 to 20 parts of nucleocapsid acrylic acid elastic emulsion, 0.5 to 1.5 parts of carboxymethyl cellulose, 0.35 to 1.05 parts of chemical-resistant modifying agents and 9 to 13 parts of pure water. The adhesive-free carbon fiber addition technology is used, and the adhesive-free carbon fiber can enhance the adhesion effect of the lead paste; in addition, the lead paste low-acid content technology is used, so that the battery deep circulation service life is greatly prolonged; through the addition of the nucleocapsid acrylic acid elastic emulsion and the nanometer silicon dioxide, the weathering performance of the lead paste is improved; the perfluoroalkyl acrylic acid series additives are introduced to be used as chemical-resistant modifying agents, so that the anti-corrosion performance of the lead paste is greatly improved.

The invention relates to the technical field of a lead-acid battery, particularly relates to a high recharge rate lead-acid battery negative lead paste, a battery negative plate and a high recharge rate lead-acid battery and has properties of good charge acceptance after deep discharge and long cycle life. The lead paste formula includes 100 parts of lead powder, 0.06-0.12 parts of short fiber, 0.5-1.5 parts of ultra-fine barium sulfate, 0.1-0.25 parts of carbon black, 0.05-0.12 parts of indulin, 8-12 parts of sulfuric acid and 9-13 parts of deionized water.

The invention discloses a lead paste for a storage battery positive electrode and a preparation method thereof. The paste comprises, by weight, 70-90 parts of lead powder, 0.01-0.1 part of non-gel carbon fiber, 0.0-0.1 part of basalt fiber, 0-0.8 part of 4BS seed crystal, 5-12 parts of lead tetrachloride, 2-8 parts of polyvinyl alcohol, 1-5 parts of polyester staple fiber, 2-6 parts of red lead, 2-7 parts of sulfuric acid, 6-8 parts of composite rare earth, 3-6 parts of nano-silica, 15-20 parts of core-shell propylene elastic emulsion, 0.5-1.5 parts of carboxymethyl cellulose, 0.35-1.05 parts of chemical-resistant modifier and 9-13 parts of pure water. The paste uses the additive technology of non-gel carbon fiber which enhances the adhesiveness of the lead paste. The lead paste also applies the technology of low acidic content in the lead paste to greatly prolong the battery deep cycle life. The adding of core-shell propylene elastic emulsion and nano-silica improves the weather resistance of the lead paste. The acrylic additives with perfluoroalkyl group is introduced as the modifier, so the anti-corrosion ability of the lead paste is greatly enhanced.

The invention belongs to the technical field of lead-acid storage batteries and in particular relates to a preparation method of lead-acid storage battery gel electrolyte, aiming at solving the problems in the prior art that gel electrolyte has a serious hydration and layering phenomenon, great resistance and short service life. The preparation method comprises the following steps: after mixing nano silicon dioxide and distilled water, dispersing; then adding methyltrimethoxysilane, and raising the temperature and reacting to obtain a mixed solution A; stirring and mixing sulfate, nano boron oxide, 1-allyl-3-methylimidazole chloride, sodium alcohol ether sulphate and the residual distilled water to obtain a solution B; adding dimethicone, lubricating grease and sulfuric acid into the mixedsolution B and mixing to obtain a mixed solution C; after mixing the mixed solution A and the mixed solution C, adding a stabilizing agent and uniformly mixing to obtain the lead-acid storage batterygel electrolyte. The preparation method provided by the invention has the advantages of simplicity, moderate preparation conditions and low cost; the prepared gel electrolyte has good thixotropic behaviors, small inner resistance, no acid leakage, no smoke, slow water loss speed and long service life and is worthy of being popularized.

The invention discloses a lead-calcium formation colloid electrolyte which is composed of the following components in percentage by weight: 0.8-5% of gas-phase silicon dioxide, 0.1-2% of sodium silicate, 1-2% of anhydrous sodium sulfate, 0.1-0.5% of stannous sulfate, 0.05-0.5% of sodium carboxymethyl cellulose, 0.02-0.5% of bismuth trioxide, 0.2-3% of phosphoric acid, 28-38% of sulfuric acid and the balance of water. When being used for preparing a lead-calcium formation battery, the colloid electrolyte improves the early capacity attenuation effect of the lead-calcium formation battery, decelerates the softening shedding of the active substances at the positive pole, and prolongs the deep cycle service life of the battery.

The invention discloses a lead-acid storage battery positive lead paste. The lead-acid storage battery positive lead paste is prepared from the following raw materials in parts by weight: 70-90 partsof lead powder, 3-15 parts of sulfuric acid, 5-20 parts of water, 0.05-1 part of short fiber, 0.05-0.5 part of graphite and 0.05-0.5 part of xanthan gum. A lead-acid storage battery prepared by usingthe positive lead paste is high in initial capacity, slow in attenuation and long in cycle life, has strong large current discharge and low temperature charge and discharge performance, and ensures that the combination performance of the lead paste and a grid is significantly improved; and the problems of low initial capacity, short cycle life, easy falling off of active materials and the like inexisting lead-acid storage batteries can be effectively solved.

The invention discloses an active cathode material for an uninterruptible power supply and a preparation method thereof. The active cathode material comprises the following raw materials in parts by weight: 20-30 parts of free lead, 30-50 parts of lead oxide, 20-35 parts of lead dioxide, 5-15 parts of aluminium oxide, 0.2-0.8 part of polypropylene fibers, 0.5-2.5 parts of glass fibers, 1-3 parts of antimonous oxide, 5-15 parts of sulfuric acid, 5-10 parts of a perfluor solvent and 10-26 parts of deionized water. The preparation method comprises the steps of ball milling, preparation of a precursor mixture and heat treatment. The active cathode material is high in capacity and long in cycle life, the energy density of the conventional uninterruptible power supply is improved, the high-temperature performance and the rate capability of the active cathode material are improved, a precursor synthetic method is simple, industrialization is easy, the cost of the cathode material of an uninterruptible power cell is reduced, and a very high popularization value is achieved.

The invention belongs to the technical field of storage batteries, and particularly relates to an additive for a lead-acid storage battery gelled electrolyte and a preparation method and application thereof. In the prior art, the lead-acid storage battery has low stability, high resistance and short cycle life, and the additive raw material for the lead-acid storage battery gelled electrolyte is harmful to body health and ecological environment. The additive for the lead-acid storage battery gelled electrolyte is prepared from the following raw materials: 1-butyl-3-methyl imidazole dodecyl sulfate, 1-allyl-3-methylimidazolium chloride, nano boron oxide, titanium dioxide, nano titanium diboride, graphene, acetylene black, sulfate, lubricating grease, polyacrylamide, sulfuric acid solution,and distilled water. The additive for the lead-acid storage battery can effectively lower the battery internal resistance, enables the battery to better carry high current, increases the capacity andprolongs the cycle life of the lead-acid storage battery, thereby being worth promoting.

The invention belongs to the technical field of lead accumulators, and specifically discloses a positive lead paste for AGM start-stop accumulators and a preparation method thereof. The positive lead paste contains the following ingredients in parts by weight: 70-90 parts by weight of lead powder, 0.01-0.1 polyester fiber, 0.01-0.1 glass fiber, 0-0.8 4BS seed crystal, 5-12 red lead, 6-8 sulfuric acid and Pure water 7-9. The positive electrode paste can greatly improve the cycle life of the AGM start-stop battery, especially the 50% DOD cycle life, and slow down the muddy failure of the positive electrode paste during the use of the start-stop battery.

The invention discloses a lead-calcium formation colloid electrolyte which is composed of the following components in percentage by weight: 0.8-5% of gas-phase silicon dioxide, 0.1-2% of sodium silicate, 1-2% of anhydrous sodium sulfate, 0.1-0.5% of stannous sulfate, 0.05-0.5% of sodium carboxymethyl cellulose, 0.02-0.5% of bismuth trioxide, 0.2-3% of phosphoric acid, 28-38% of sulfuric acid and the balance of water. When being used for preparing a lead-calcium formation battery, the colloid electrolyte improves the early capacity attenuation effect of the lead-calcium formation battery, decelerates the softening shedding of the active substances at the positive pole, and prolongs the deep cycle service life of the battery.

The invention discloses a positive electrode grid and a preparation method thereof. Ag, 0.02‑0.04% Na, balance Pb. The advantages of the present invention are: Sn and its oxide formed with lead are good conductors, which can improve the conductivity of the contact layer; Ca can increase the strength of lead, and Ag and lead have better phase solubility, which can improve the corrosion resistance of the alloy Na can remove harmful impurities such as Cu and Sb in the alloy; Al has a low density and is distributed on the upper layer of the alloy, which can effectively protect other main components and avoid burning; the release agent can effectively improve the bonding force between the grid and the lead paste; high temperature Age hardening can eliminate lattice defects, improve the strength of the grid, and at the same time refine the grid grains, improve corrosion resistance and creep resistance; the battery prepared with it has small internal resistance and long deep cycle life, effectively avoiding solve the problem of initial capacity fading.

The invention discloses a lead-calcium formation colloid electrolyte which is composed of the following components in percentage by weight: 0.8-5% of gas-phase silicon dioxide, 0.1-2% of sodium silicate, 1-2% of anhydrous sodium sulfate, 0.1-0.5% of stannous sulfate, 0.05-0.5% of sodium carboxymethyl cellulose, 0.02-0.5% of bismuth trioxide, 0.2-3% of phosphoric acid, 28-38% of sulfuric acid and the balance of water. The invention also discloses a preparation method of the lead-calcium formation colloid electrolyte. When being used for preparing a lead-calcium formation battery, the colloid electrolyte improves the early capacity attenuation effect of the lead-calcium formation battery, decelerates the softening shedding of the active substances at the positive pole, and prolongs the deep cycle service life of the battery. The colloid electrolyte disclosed by the invention has the advantages of favorable consistency, favorable colloid thixotropy and favorable colloid stability.

The invention relates to an enhanced anti-oxidation conductive auxiliary agent, a positive lead paste for a lead-acid battery and a preparation method thereof, belonging to the field of lead-acid batteries, and solves the problem that the positive plate of the existing lead-acid battery is damaged due to carbon-containing conductive agents after being used for a period of time. It is oxidized in an extremely strong oxidizing environment, and there are defects such as mud falling off and short service life. The invention provides an enhanced anti-oxidation conductive auxiliary agent and a lead-acid battery positive electrode paste; the enhanced anti-oxidation conductive auxiliary agent is graphite coated with a metal conductive ceramic MAX phase; each component of the lead-acid battery positive electrode paste and its quality The parts are 75-85 parts of lead powder, 10-20 parts of deionized water, 5-10 parts of red lead, 6-10 parts of dilute sulfuric acid, 0.5-1 part of stannous sulfate, 0.5-2 parts of antimony oxide, 0.05-0.1 part of short fiber, 2-5 parts of enhanced anti-oxidation conductive additive. The positive electrode paste of the lead-acid storage battery of the present invention can effectively improve the formation efficiency of the battery and shorten the formation time, resist oxidation during the use of the battery, overcome the muddy problem of the electrode plate in the later stage of the battery, and prolong the service life of the battery.

The invention belongs to the technical field of lead-acid storage batteries, and particularly relates to a lead-acid storage battery positive electrode lead belt meltallizing process. According to the lead-acid storage battery positive electrode lead strip meltallizing process, a positive grid alloy blank or an alloy strip obtained after pre-rolling is used as a meltallizing matrix, Pb (97.95%-99.86%)-Sn (0.1%-0.5%)-Bi (0.03%-1.5%)-Sb (0.01%-0.05%) alloy is used as a meltallizing material, and a 20-200 [mu] m alloy film layer is meltallizing on the positive grid alloy blank or the pre-rolled positive grid alloy strip. And then the positive grid alloy blank or the positive grid alloy strip attached with the meltallizing alloy film layer is continuously rolled to obtain the positive lead strip with the required thickness. After the positive lead belt prepared by the process is further prepared into a positive grid, the conductivity of the positive grid can be improved, and the deep cycle life of the storage battery can be greatly prolonged after the grid is used for preparing the lead-acid storage battery.

A maintenance-free lead-acid battery with excellent deep cycle life and its production method, the composition of the positive electrode paste: short fiber 0.05~0.12%, antimony trioxide additive 0.05~0.3%, 4BS seeds 0.4~1.5%, pure water 8~14%, sulfuric acid solution 8~12%, the rest is lead powder. The composition of negative electrode paste: carbon black 0.2~0.4%, short fiber 0.05~0.1%, lignin 0.1~0.3%, barium sulfate 0.5~1.0%, pure water 8~12%, sulfuric acid solution 7~12%, the rest is lead powder. The present invention does not sacrifice the utilization rate of battery active materials. Through the comprehensive application of technologies, the battery charge acceptance capacity, 90% SOC dynamic charge acceptance capacity, and micro-hybrid MHT service life of the present invention are greatly improved, and the deep cycle life is increased by 30~ 50%.

The invention relates to a novel valve-regulated lead-acid battery for electric vehicles, a novel valve-regulated lead-acid battery for electric vehicles in the battery, which is characterized in that the negative grid in the lead-acid battery uses a quaternary alloy, Ca 0.06‑ 0.09%, Sn 1.0‑1.2%, Al 0.015‑0.035%, Pb complement; the positive grid uses a quaternary alloy, Ca 0.06‑0.09%, Sn 0.5‑0.7%, Al 0.015‑0.035%, Pb complement. The invention also includes the limitation on the composition and content of the lead paste of the positive and negative plates, and the preparation of the lead-acid storage battery. The invention fundamentally solves the problems of the consistency of batteries used in groups and the service life of deep cycles.

The name of the invention is positive electrode lead paste for a pregnant solution storage battery and a preparation method thereof, which belong to the technical field of lead-acid storage batteries,and mainly solve the problems of insufficient deep discharge cycle capability and short cycle life of the conventional pregnant solution starting type battery. The positive electrode lead paste is mainly characterized by comprising the following components in parts by weight: 70-90 parts of lead powder, 0.05-0.15 part of antimonous oxide, 0.05-0.12 part of high-strength glass fiber, 0.6-1.5 partof 4BS, 9-15 parts of red lead, 0.02-0.06 part of sodium perborate tetrahydrate, 4-8 parts of sulfuric acid and 6-12 parts of pure water. The method has the characteristics that the conductivity of the lead paste is enhanced, the deep cycle life of the battery is prolonged, and the process is simple and easy to control, and is mainly used for prolonging the cycle life of the pregnant solution storage battery and slowing down argillization failure of the positive lead paste in the use process of the pregnant solution storage battery.