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

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 belongs to the technical field of accumulators, and in particular relates to a lead paste composition internalized into a positive electrode of a battery. The internalized battery cathode lead paste composition of the present invention is made of the following raw materials in parts by weight: 990-1010 parts of lead powder, 0.5-1.5 parts of fiber, 0.5-1.0 parts of phosphoric acid, 1-2 parts of antimony trioxide, and 0.7 parts of zinc oxide. ~1.2 parts, 0.5~1.5 parts of aluminum oxide, 0.5~0.8 parts of ammonium bicarbonate, 0.3~0.5 parts of cerium hydroxide, 0.7~1.5 parts of tin oxide, 110~130 parts of water, 80~90 parts of dilute sulfuric acid. The invention improves the anode lead paste composition so as to suppress the early stage capacity decay of the internalized battery and prolong the service life of the deep cycle discharge of the battery.

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 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 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-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 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.

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.