35 results about "UltraBattery" patented technology

An electrochemical energy storage device, lithium super-battery, comprising a positive electrode, a negative electrode, a porous separator disposed between the two electrodes, and a lithium-containing electrolyte in physical contact with the two electrodes, wherein the positive electrode comprises a plurality of chemically functionalized nano graphene platelets (f-NGP) or exfoliated graphite having a functional group that reversibly reacts with a lithium atom or ion. In a preferred embodiment, a lithium super-battery having a f-NGP positive electrode and Li4Ti5O12 negative electrode exhibits a gravimetric energy ˜5 times higher than conventional supercapacitors and a power density ˜10 times higher than conventional lithium-ion batteries. This device has the best properties of both the lithium ion battery and the supercapacitor.

The invention discloses a lead carbon mixed negative lead paste and a preparation method thereof. The lead paste is prepared by the following raw materials of, according to weight part proportions, 100 of lead powder, 0.01-2 of gas phase grown carbon fibers, 0.01-2 of high specific surface carbon black, 0.01-5 of activated carbon, 0.01-2 of a hydrogen evolution inhibitor, 0.3-2 of barium sulfate, 0-1.2 of sodium lignosulfonate, 0.5-2 of a humic acid, 0.05-0.1 of short fibers, 5-20 of water and 4-15 of sulfuric acid (the concentration is 1.2-1.40 g / mL). Due to the addition of the gas phase grown carbon fibers, the lead carbon mixed negative lead paste can maintain stable apertures and good active interface; and the high conductive characteristic and high capacitance characteristic of the carbon materials can be fully played. The preparation method of the lead carbon mixed negative lead paste employs a mode of firstly immersing the carbon materials, and then mixing the lead powder and the carbon powder, thereby realizing the better uniform distribution of the carbon. The charging acceptance capability and HRPSoC cycle life of the battery can be significantly improved by using the lead carbon mixed negative lead paste to make a lead carbon super battery.

The invention discloses a negative plate of a lead acid super battery, a production method and a lead acid super battery assembled by the negative plate, solving the problem of short service life of the charge state of a magnifying power part of the traditional lead acid super battery. The negative plate comprises a negative plate grid and negative lead plaster, wherein capacitance carbon plaster is coated on the surface of the negative lead plaster, and expansion intermediate phase carbon microballoons are added to the negative lead plaster; and the capacitance carbon plaster comprises activated carbon loading lead oxide, stearic acid, acetylene black, and the like. In the invention, the negative plate is formed by the method that the materials of the negative lead plaster are coated onto the negative plate and after cured and formatted, the capacitance carbon plaster is coated onto the outer surface and cured; and a super capacitive negative plate is obtained by doping high-capacitance and high-conductivity expansion intermediate phase carbon microballoons into the negative lead plaster to match with active substances in the capacitance carbon plaster. The service life of the assembled lead acid super battery is prolonged by 3-5 times compared with that of the traditional lead acid super battery, and the power is improved by 5 times, thus the lead acid super battery can be applied to medium and low hybrid electric vehicles and low-configuration pure electric vehicles.

An electrochemical energy storage device, lithium super-battery, comprising a positive electrode, a negative electrode, a porous separator disposed between the two electrodes, and a lithium-containing electrolyte in physical contact with the two electrodes, wherein the positive electrode comprises a plurality of chemically functionalized nano graphene platelets (f-NGP) or exfoliated graphite having a functional group that reversibly reacts with a lithium atom or ion. In a preferred embodiment, a lithium super-battery having a f-NGP positive electrode and Li4Ti5O12 negative electrode exhibits a gravimetric energy ˜5 times higher than conventional supercapacitors and a power density ˜10 times higher than conventional lithium-ion batteries. This device has the best properties of both the lithium ion battery and the supercapacitor.

The invention discloses a carbon cathode plate for a super cell. The carbon cathode plate comprises the ingredients of active carbon, acetylene black and polyvinylidene fluoride, and is characterized by also comprising a hydrogen evolution inhibitor. According to the invention, a hydrogen evolution problem which is generated by a capacitor carbon electrode in a charging final stage and caused by large operation potential difference between a lead cathode plate and a capacitor carbon electrode in the super cell is solved, thus charging efficiency of the super cell is improved, large granule lead sulfate formed in discharging is promoted to be converted into spongy lead, and a cycle life of a plumbic acid cell is effectively raised. The hydrogen evolution inhibitor has a wide composition source and low cost, and has no special requirement for production equipment. The hydrogen evolution inhibitor has a simple and practicable preparation method, and is suitable for large scale productionapplication.

The invention provides an alkaline super capacitor battery iron electrode, comprising a porous metal collector electrode substrate and an electrode material, wherein 85-95wt percent of the electrode material is an electrochemical active composite material, 5-15wt percent of the electrode material is formed by a conductive agent and a binder, and the electrochemical active composite material comprises an electrochemical active material and an additive. The invention also provides a preparation method of the alkaline super capacitor battery iron electrode; first electrode material slurry is subjected to filling and coating through an electrode plate slurry pulling automatic production line, and is prepared into the iron electrode by drying, prepressing, rolling, stamping and slicing, separating slices, and spot welding of electrode lugs. The iron electrode made by the preparation method disclosed by the invention is high in strength, good in electrical property, simple in manufacturing process, good in consistency and low in cost; a formula and the preparation method of the iron electrode are suitable for making iron cathodes of alkaline secondary batteries, such as a nickel-iron battery, an iron / air battery and a silver-iron battery, which are environment-friendly, with high capacity and high power, thus manufacturing corresponding super-batteries or super capacitor batteries.

The invention discloses an electrolyte of a super battery. The electrolyte comprises 35-50% of sulfuric acid, 1-10% of a silicate, 0.1-2% of sodium hexametaphosphate, 0.2-1% of nanometer carbon, 0.3-1.5% of cetyltrimethylammonium bromide, 0.1-1.5% of a sulfate, 0.02-0.4% of a polymeric stabilizing agent and 45-52% of water. The electrolyte of the invention allows the charging accept capability of the battery to be improved and the cycle life of the battery to be obviously improved. The electrolyte has the advantages of no generation of corrosive gases in the production process, realization of no pollution in the preparation process and the use process and no pollution of wastes, and fundamental solving of main disadvantages of electrolytes of traditional lead acid batteries.

Provided is a structured light projector including a light source configured to emit light, and a nanostructure array configured to form a dot pattern based on the light emitted by the light source, the nanostructure array including a plurality of super cells each respectively including a plurality of nanostructures, wherein each of the plurality of super cells includes a first sub cell that includes a plurality of first nanostructures having a first shape distribution and a second sub cell that includes a plurality of second nanostructures having a second shape distribution.

The invention discloses a lead carbon super battery moisturizing maintenance method. The method comprises the following steps: adding deionized water in each unit cell battery for three times according to 40-60%, 20-40% and 10-30% of the water addition of the unit cell battery, non-standing or standing for 0-3h after adding water for each time, charging according to a moisturizing test process, extracting surplus acid at the final phase of the charging, wherein the moisturizing test process comprises charging for 16-20h with constant current which is 0.1 time of 2 hourly rated capacity and constant voltage which is battery unit cell voltage limited at 2.5 V, and then charging for 4-6h with constant current which is 0.025 time of 2 hourly rated capacity. The bad influence caused to the battery performance by conventional irregular moisturizing is solved, and after being maintained by the method disclosed by the invention, the circulating life of the lead carbon super battery is greatly improved.

An acoustic shield for protecting a vibrational sensitive device includes a first unit cell and a second unit cell. The first unit cell includes a first locally resonant unit. The first locally resonant unit controls a first phase gradient and the first unit cell includes a first surface. The second unit cell includes a second surface proximate to the first surface. The second unit cell includes a second locally resonant unit embedded along the second interface. The second locally resonant unit controls a second phase gradient. The first phase gradient is different from the second phase gradient. The first unit cell and the second unit cell comprise a super cell. The acoustic shield is configured such that a vibrational wave from a first side of the super cell to a second side of the super cell is substantially attenuated.

The invention discloses a hydrothermal preparation method of carbon coated lead powder composite materials for lead carbon super batteries. Deionized water is added into carbohydrates to be prepared into solution or sol, lead powder is added for ultrasonic dispersion, the mixture is subjected to hydrothermal reaction so that the carbohydrates are carbonized to be coated on the surface of aluminum powder particles, original solvents and deionized water are used for alternately washing the coated materials, and the vacuum drying is carried out to obtain the carbon coated lead powder composite materials. The lead carbon super batteries made of the carbon coated lead powder composite materials have the advantage that the charging and discharging cyclic service life and the weight-to-power ratio are respectively and obviously prolonged and improved through being compared with those of the existing lead acid storage batteries.

The invention belongs to the technical field of lead-acid batteries, in particular to a negative plate lead paste used for starting and stopping lead-carbon super batteries with high performance and apreparation method thereof. The carbon material used in the negative plate lead paste prepared by the invention is graphene, the homogeneous dispersion of graphene, lead powder and hydrogen evolutioninhibitor in lead paste is achieved by using aniline oligomer derivative as graphene dispersant and ball milling process. The graphene agglomeration is avoided, and a good lead-carbon composite structure is established, and the hydrogen evolution reaction of lead-carbon negative electrode is inhibited. The negative plate lead paste prepared by the invention adds xanthan gum or sodium alginate tocompletely or partially replace the traditional polyester fiber as a binder, so that the emulsifying stability, adhesion and adhesion of the negative electrode lead paste are effectively improved, andthe problems of serious water loss and easy shedding of active materials in the cycle process of lead-carbon batteries are solved, and the charging acceptance and cycle life of the lead-carbon batteries are remarkably improved.

This application is applicable to the field of battery technology, and provides a battery authentication method, device, terminal equipment and medium. The method includes: when a super battery is detected, sending a first authentication request to the super battery; When the super battery responds to the first authentication data returned by the first authentication request, generate first authentication information according to the first authentication data, and send the first authentication information to the super battery; when receiving the first authentication information When the second authentication request returned by the super battery, send the second authentication data to the super battery; receive the second authentication information returned by the super battery for the second authentication data, and according to the second authentication information, Authenticate the super battery; if the super battery is successfully authenticated, perform a charge or discharge operation on the super battery. Through the above method, the security of authentication between the battery and the charging and discharging device can be improved.

The invention discloses a water supply and maintenance method for a lead-carbon super battery. In the method, each cell is added three times according to 40%-60%, 20%-40%, and 10%-30% of the water added to the cell. Ionized water, do not stand still after adding water each time or the standing time is 0-3h, charge according to the water replenishment test process, and remove excess acid before charging. V, 0.1 times the rated capacity of the 2-hour rate, constant current and constant voltage charging for 16-20 hours, and then 4-6 hours of constant-current charging with a current of 0.025 times the rated capacity of the 2-hour rate. The invention solves the bad influence on the performance of the battery caused by non-standard water replenishment in the past, and after maintenance through this method, the cycle life of the lead-carbon super battery can be greatly improved.

The invention discloses a negative plate of a lead acid super battery, a production method and a lead acid super battery assembled by the negative plate, solving the problem of short service life of the charge state of a magnifying power part of the traditional lead acid super battery. The negative plate comprises a negative plate grid and negative lead plaster, wherein capacitance carbon plasteris coated on the surface of the negative lead plaster, and expansion intermediate phase carbon microballoons are added to the negative lead plaster; and the capacitance carbon plaster comprises activated carbon loading lead oxide, stearic acid, acetylene black, and the like. In the invention, the negative plate is formed by the method that the materials of the negative lead plaster are coated onto the negative plate and after cured and formatted, the capacitance carbon plaster is coated onto the outer surface and cured; and a super capacitive negative plate is obtained by doping high-capacitance and high-conductivity expansion intermediate phase carbon microballoons into the negative lead plaster to match with active substances in the capacitance carbon plaster. The service life of the assembled lead acid super battery is prolonged by 3-5 times compared with that of the traditional lead acid super battery, and the power is improved by 5 times, thus the lead acid super battery can be applied to medium and low hybrid electric vehicles and low-configuration pure electric vehicles.

The invention provides a method for chemical doping of plumbum (Pb) on the surface of a cathode carbon material used for an ultrabattery. The method comprises two steps of carbon material surface modification and Pb doping. The carbon material surface modification includes that carbon material undergoes a vulcanization reaction and / or an oxidation reaction. The Pb doping includes that the carbon material is placed into a solution containing Pb <2+> to be treated, and a treating mode is at least one chosen from vacuum soaking, ultrasound oscillation and high-temperature backflow. The method is simple and convenient to operate, achieves deep, uniform and mass doping of Pb elements in a microcosmic area of the carbon material by means of strong affinity of S and O to Pb and C, restrains hydrogen evolution of the carbon material under an acid-stage system, improves the volume of the carbon material, and enables the level of the hydrogen evolution of the surface of the carbon material under the acid-stage system corresponds to be equal to that of the surface of Pb. The method is suitable for industrialization application.

The invention relates to the technical field of battery management, in particular to a BMS equalization battery management control system, method and circuit. The BMS equalization battery management control system comprises an energy storage module, a charging module, a detection module and a thermal management module; the energy storage module is formed by connecting a super battery pack and a common battery pack in parallel, the charging module is electrically connected with a charger and the energy storage module, and hybrid charging is performed through the super battery pack and the common battery pack. The detection module is electrically connected with the master controller and is used for detecting the residual electric quantity of the super battery pack and the common battery pack, the heat management module is electrically connected with the slave controller and is used for adjusting the temperature according to the temperature data, and the temperature in the battery box is adjusted through the heat management module, so the service life of the battery is prolonged.

The invention relates to the application of graphene carbon materials to the technical field of batteries or capacitive chemical energy storage, in particular to a 3D graphene carbon electrode, a preparation method and a full battery. Using graphite paper as raw material, carbon-containing conductive adhesive is coated on one side of the graphite paper, dried and cured to form an electrode material compounded with carbon-containing conductive adhesive and graphite paper; part of the other side of the graphite paper is grapheneized to form 3D graphene carbon electrodes. The invention prepares a high specific capacity carbon positive electrode and a full battery with the characteristics of a super battery; the raw material sources are wide, the cost is low, the preparation method is simple and environmentally friendly; the product performance is stable and controllable, and is suitable for industrial production.