35results about How to "Strong charging and discharging ability" patented technology

The structure of a collecting board for full-vanadium redox fluid cell comprises: the high-density graphite plate dipped by epoxy resin or phenol resin, and a S-shaped flow field with width rate of ridge and channel as 1:0.5~6 and the rate between the channel depth to channel width as 1:1~5. The advantages of this invention include: 1) small resistance, stable chemical property, and strong ability to bear large current charge / discharge; 2) strong rigidity and intensity; 3) smooth flow of the electrolyte, and little polarization on cell.

The invention discloses a lead-tin alloy for a long-life lead-acid storage-battery plate grid, which comprises the following components in mass percentage: 0.7+ / -0.1 percent of metallic tin and the balance of metallic lead. When the plate grid made of the lead-tin alloy is used, the problems of serious water loss, large self-discharged electricity, large grains, no corrosion resistance and poor charge acceptance capability can not exist, the service life of a battery is prolonged to a large extent, and the quality of the battery is improved to a large extent.

The invention discloses a preparation process of a maintenance-free lead storage battery grid lead-bismuth alloy, wherein the lead-bismuth alloy contains metal lead and metal antimony, the mass percentage of antimony in the lead-bismuth alloy is 0.5+ / -0.1%, and the balance is lead. The grid using the lead-bismuth alloy does not have the problems of serious water loss, large self-discharge, large and no corrosion resistance particles and poor charging acceptance capability, which greatly improves the service life and quality of the battery.

The invention relates to a storage battery electrolyte prepared by organic silicon and inorganic silicon, which is mainly prepared by inorganic silicic acid and a macromolecular compound, wherein the inorganic silicic acid has obvious thixotropy and does not flow in the static state or the discharging process to achieve the effects of no-overflow and sealing; and inside semi fluid in the charging process enables the conduction to be more smooth to achieve the high capacity of a battery, and the power is strong. The organic polymer is divided into two kinds, and a hydrophobic organosilicon polymer enables the surface of an inorganic particle to be hydrophobized so as to achieve the purposes of no overflow, no condensation and no deposit by being combined with an AGM diaphragm; and the other kind of carbon-oxygen macromolecule forms a surface film on the outermost layer, so the water of the electrolyte cannot volatilize, the acidic material cannot be escaped out to achieve the purpose of free maintenance for life of the battery. The liquid film model with the three-layer structure enables the battery to become a high-performance storage battery with good low-temperature start, strong power, large energy, long service life and free maintenance.

The invention provides a manganese dioxide dendritic nanoarray electrode material and a preparation method. Each dendritic manganese dioxide array unit has four rows of single crystals grown on the four side edges of the backbone of a single crystal manganese dioxide square nanotube. Manganese dioxide square nanotube branches; the angle between the axis of the branches and the axis of the main trunk is in the range of 57° to 62°. It is synthesized using a two-step hydrothermal method; in the first step of the hydrothermal method, a single-polish silicon wafer is used as a substrate to grow the nanoarray at once; in the second step of the hydrothermal method, a single crystal manganese dioxide square nanotube backbone is grown. The single-polished silicon wafer is used as a substrate for secondary growth of the nanoarray; during the secondary growth, the single-polished silicon wafer with the single crystal manganese dioxide square nanotube backbone is placed with the polished side downward; during the secondary growth, the growth is The single-crystal manganese dioxide square nanotube has three single-throw silicon wafers; the concentration of raw materials in the secondary growth is lower than that in the primary growth.

The invention discloses a double-excitation-winding energy-saving direct-current motor, and relates to the technical field of energy-saving direct-current motors. According to the double-excitation-winding energy-saving direct-current motor, the first exciting winding and the second exciting winding are respectively controlled by the commutator; mOTOR LOAD CHANGE, matching energy storage equipment, wherein the energy storage equipment is used for storing energy to form a separately excited direct-current generator and a series excited direct-current motor respectively, residual energy in the system is converted into electric energy capable of being effectively utilized, the energy storage equipment is set as a supercapacitor, and the supercapacitor is composed of a polyacetylene derivative / nano-cellulose-based porous carbon fiber composite electrode material, an organic solid electrolyte and an organic diaphragm. According to the motor, the polyacetylene derivative / nanocellulose-basedporous carbon fiber composite electrode material is used as the electrode material of the energy storage equipment, so that the conductivity, specific capacitance and cycle service life of the energystorage equipment are improved, an excellent energy storage effect is achieved, the service life of the double-excitation-winding energy-saving direct current motor is prolonged, and the cost is reduced.

A method for preparing a nano-silica composite dispersion liquid belongs to the technical field of nano-material preparation and solves the problems of poor stability of the existing nano-silica sol, easy demulsification, unsatisfactory colloidal state, and high colloid usage. The sequence of the present invention includes a step of adding a dispersant, a step of adding nano-silicon oxide, a step of adjusting the pH value and a step of adding a compatibilizer; the prepared nano-silicon oxide composite dispersion liquid is a colorless and transparent liquid with a pH value of 9 to 12,25 The specific gravity at ℃ is 1.07-1.13g / cm3, and the viscosity at 25 ℃ is 1.71-1.78mPa·S; the present invention solves the problems of difficulty in adding glue and unsatisfactory gelling state of existing domestic and foreign colloidal electrolyte products, Effectively improve the quality of traditional storage battery products.

The invention discloses an activator for repairing waste lead-acid batteries and a preparation method thereof. The activator comprises 15-30 parts by weight of mother liquor, 3-5 parts by weight of carbon nanotubes, 4-7 parts by weight of sodium sulfate, and 5 parts by weight of cobalt sulfate. ‑8 parts by weight, 4‑9 parts by weight of copper sulfate, and 50‑70 parts by weight of deionized water, wherein the mother liquor includes 0.2‑0.8 weight percent superabsorbent resin, 0.5‑3 weight percent fumed silica and the rest Measure deionized water. The repair activator for waste lead-acid batteries of the present invention, on the one hand, accelerates the decomposition of the originally non-conductive lead sulfate; The activator is made of super absorbent resin according to the multi-encapsulation theory, so that the electrolyte molecules are wrapped around each other and it is not easy to cause delamination.

The invention relates to a storage battery electrolyte prepared by organic silicon and inorganic silicon, which is mainly prepared by inorganic silicic acid and a macromolecular compound, wherein the inorganic silicic acid has obvious thixotropy and does not flow in the static state or the discharging process to achieve the effects of no-overflow and sealing; and inside semi fluid in the charging process enables the conduction to be more smooth to achieve the high capacity of a battery, and the power is strong. The organic polymer is divided into two kinds, and a hydrophobic organosilicon polymer enables the surface of an inorganic particle to be hydrophobized so as to achieve the purposes of no overflow, no condensation and no deposit by being combined with an AGM diaphragm; and the other kind of carbon-oxygen macromolecule forms a surface film on the outermost layer, so the water of the electrolyte cannot volatilize, the acidic material cannot be escaped out to achieve the purpose of free maintenance for life of the battery. The liquid film model with the three-layer structure enables the battery to become a high-performance storage battery with good low-temperature start, strong power, large energy, long service life and free maintenance.

The application relates to the technical field of lithium-ion batteries, and specifically discloses a cylindrical lithium-ion battery and a manufacturing process thereof. The manufacturing process of the cylindrical lithium-ion storage battery of the present application includes the following steps: uniformly mixing the first solvent and the first substrate to obtain an inner layer spinning solution; uniformly mixing the second solvent and the second substrate to obtain a middle layer spinning solution; uniformly mixing the third solvent and the third matrix to obtain an outer layer spinning solution; using the obtained inner layer spinning solution, middle layer spinning solution, and outer layer spinning solution to perform three-channel coaxial electrospinning to obtain composite fibers; Under the protection of an inert atmosphere, the composite fiber is kept at 700-900° C. for 8-10 hours to obtain a composite negative electrode material; a cylindrical lithium-ion battery is prepared by using the composite negative electrode material as the negative electrode active material. The cylindrical lithium-ion storage battery prepared by the application has excellent charging and discharging performance, and has very good high-rate discharging capability.

The present invention provides a shaking start-up battery, an application device and a server. The start-up battery at least includes: a battery pack for power supply, used for checking the voltage, voltage and current of the battery pack, and adjusting the voltage of the battery pack The battery detection control system module, the MCU processing system module used to calculate the remaining power of the battery pack using the integral algorithm and display and issue the command to start and stop the battery pack discharge, the Bluetooth module for data transmission, and the connection to the application device Positive terminal and negative terminal; Wherein, the state MCU processing system module also includes a shaking induction starting unit for sending out an instruction to start the state starting type battery when shaking with a preset amplitude. In the present invention, the MCU processing system module is provided with a shake-sensing start-up unit that issues an instruction to start the start-up battery when the MCU processing system module is used to sense the shake with a preset amplitude, so that the start-up battery can be quickly sensed to discharge the application device, which can bring users more convenience. Convenient travel experience.

The invention relates to a new lamination type reel film capacitor, an improved capacitor in nature, and in particular to a new lamination type reel film capacitor. The capacitor comprises an insulating dielectric layer, metal plating layers and insulating varnish layers. The front face and the back face of the insulating dielectric layer are both coated with the metal plating layers. Either the left side or the right side of the insulating dielectric layer is provided with an edge without the metal plating layer. The metal plating layers (2) are coated with the insulating varnish layers. Either the left side or the right side of each metal plating layer is provided with an edge without the insulating varnish layer. The insulating dielectric layer, the metal plating layers and the insulating varnish layers are integrated as one to make a film capacitor in a reeling manner. In comparison with ordinary lamination type capacitors, the capacitor of the invention has a smaller size and consumes less power. The new lamination type reel film capacitor has excellent ability to charge and discharge power and the most optimized performances.

This invention discloses a battery, in which, a positive set and a negative set are set in a shell and at least one set contains two or more than two kinds of pole plates in different structures to increase the comprehensive ability of the battery,

The invention discloses nanoscale silicon oxide composite dispersion liquid and a preparation method therefor, belongs to the technical field of nanomaterial preparation, and solves the problems of low stability, high probability of demulsification, non-ideal gel forming state, and high usage amount of gel in the existing nanoscale silicon oxide sol. The nanoscale silicon oxide composite dispersion liquid comprises nanoscale silicon oxide and deionized water, and the nanoscale silicon oxide composite dispersion liquid is colorless transparent liquid, the PH value of the composite dispersion liquid is 9-12, the specific gravity at the temperature of 25 DEG C is 1.07-1.13 g / cm3, and the viscosity at the temperature of 25 DEG C is 1.71-1.78 mPa.S; the preparation method for the nanoscale silicon oxide composite dispersion liquid comprises a step of adding a dispersing agent, a step of adding the nanoscale silicon oxide, a step of adjusting the PH value and a step of adding compatibilizer in sequence; the preparation method for the nanoscale silicon oxide cake material comprises a first-order reaction step, a second-order reaction step, an aging step and a washing step; and the obtained nanoscale silicon oxide cake material comprises nanoscale silicon oxide powder, the solid grain diameter of the nanoscale silicon oxide powder is 1.5-10 nm, and the specific surface area of the nanoscale silicon oxide powder is greater than or equal to 1, 100 m2 / g.

The invention discloses a preparation method for nanoscale silicon oxide composite dispersion liquid, belongs to the technical field of nanomaterial preparation, and solves the problems of low stability, high probability of demulsification, non-ideal gel forming state, and high usage amount of gel in the existing nanoscale silicon oxide sol. The preparation method comprises a step of adding a dispersing agent, a step of adding the nanoscale silicon oxide, a step of adjusting the PH value and a step of adding compatibilizer in sequence; and the prepared nanoscale silicon oxide composite dispersion liquid is colorless transparent liquid, the PH value of the composite dispersion liquid is 9-12, the specific gravity at the temperature of 25 DEG C is 1.07-1.13 g / cm3, and the viscosity at the temperature of 25 DEG C is 1.71-1.78 mPa.S. The preparation method for the nanoscale silicon oxide composite dispersion liquid effectively solves the problems of difficulty in adding gel and the non-ideal gel forming state in using domestic and overseas gel electrolyte products, so that the quality of the conventional storage battery product is improved.

The invention belongs to the field of carbon material preparation, and more specifically relates to a method used for preparing catalytic slurry oil based solid carbon spheres, and a novel chemical deposition system. According to the method, catalytic slurry oil is subjected to purifying impurity removing treatment firstly so as to obtain a hydrocarbon mixture which can be taken as a solid carbonsource in preparation of carbon materials through chemical deposition; the novel chemical deposition system is adopted, the hydrocarbon mixture is taken as a solid carbon source so prepare solid carbon spheres with certain specific surface area and uniform morphology; the catalytic slurry oil based solid carbon source can be combined with chemical substances containing nitrogen or phosphorus to prepare multi-functional nitrogen or phosphorus doped solid carbon spheres. The solid carbon spheres and the doped solid carbon spheres can be used in the fields such as lithium ion battery electrode material, catalyst carrier, porous conductive material, and energy storage materials. According to the method, full utilization of refinery plant heavy oil fluid catalytic cracking by-product catalyticslurry oil is realized, the added value of catalytic slurry oil is increased, and the using efficiency of catalytic slurry oil source is increased.