97 results about "Discharge efficiency" patented technology

The application discloses a Fe self-catalytic in-situ lithium supplementing and graphite carbon-coated lithium manganese iron phosphate positive electrode material and a preparation method thereof, and belongs to the technical field of lithium batteries. 2+ Catalyze PAN to generate sp 2 Carbon, LiBOB-Li2O microcapsule in-situ lithium supplementing, and then ultra-high speed quenching to obtain the product. 2+ Self-catalysis, integration of carbon coating and in-situ lithium supplementing, greatly improving the conductivity, the first charge-discharge efficiency and the rate performance of the material, simple and controllable process, suitable for industrial production, and the prepared material has high compacted density and excellent cycle stability.

The application discloses a new energy automobile waste lithium battery material discharging treatment device, and relates to the technical field of lithium battery recycling. The waste lithium battery material discharging treatment device comprises a lifting frame and a reaction frame, and further comprises a supporting plate, a track groove is formed in the surface of the supporting plate, a screw rod is rotatably installed on the inner wall of the track groove, and the screw rod is connected with the output end of an external motor. The sliding plate is connected with the screw rod through threads, a receiving rod is fixedly installed below the sliding plate, an arc-shaped sieve frame is rotatably installed on the circumferential surface of the receiving rod, and the two arc-shaped sieve frames are symmetrically distributed with the receiving rod as the center. The two arc-shaped sieve frames can conveniently and quickly place the raw materials after discharging, improve the efficiency of the whole discharging process, and effectively eliminate the bubbles in the gaps of the arc-shaped sieve frames in the reaction process through impact, so that the influence of the residual bubbles on the discharging efficiency is avoided.

The utility model provides a kind of waste lithium ion battery recycling pretreatment device, it is related to lithium ion battery recycling technical field.A kind of waste lithium ion battery recycling pretreatment device, including immersion bucket, circulating barrel and circulating pump, the bottom surface of circulating barrel is higher than the top surface of immersion bucket setting, the immersion bucket and circulating barrel are connected by communicating pipe intercommunication.Through placing mechanism into battery, and make it immerse in electrolyte solution inside immersion bucket to discharge battery, under the action of circulating pump, water suction pipe, water delivery pipe, communicating pipe, solenoid valve and liquid level sensor, make the electrolyte solution inside circulating barrel and the electrolyte solution inside immersion bucket circulate flow, by filter screen to the solution that flows into the inside of circulating barrel is filtered, and by cooling medium inside cooling pipe to the solution that flows into the inside of circulating barrel is cooled, solve the problem of the influence discharge efficiency due to a large amount of heat generated in the process of discharging.

The utility model relates to a lime powder storage bin with anti-caking stirring function belongs to material storage technical field. Mainly include bin body, stirring mechanism, vibrating mechanism, discharge assembly and support frame, set up stirring mechanism and vibrating mechanism in bin body, stirring mechanism expands stirring range through stirring rod and stirring vane, vibrating mechanism utilizes vibration rod to transmit vibration to each area inside bin body, and the both synergies prevent material caking, and the broken blade of discharge assembly is used for accelerating discharge, reduces residual quantity, and the bottom end of vibration rod is equipped with spoiler, and the disturbance effect is strengthened. The utility model effectively solves the caking problem of material near bin wall and center area, effectively avoids the limitation of traditional single vibrating device or simple stirring rod, and remarkably improves anti-caking effect and discharge efficiency.

The utility model discloses a batching bin with mixing structure, including support, the batching bin is installed on the support, and the batching bin is funnel type structure, and the upper end of batching bin is provided with upper cover, and the lower port is provided with the unloading device, the unloading device includes the discharge tray, and the upper end of discharge tray is provided with the plug, and the lower end is connected with electric telescopic handle, and electric telescopic handle drives the plug to slide and set in the lower port of batching bin, be provided with motor on the upper cover, and the output shaft of motor penetrates the upper cover and extends to the inside connection with stirring device of batching bin, the utility model discloses the plug can be set in the discharge device, can be closed to the discharge port in the mixing process, thereby avoiding the material of putting, and a part of material directly discharges after not passing through sufficient stirring, thereby can improve the mixing effect of material, through the cooperation of stirring blade and stirring screw rod, can take the material along certain direction and flow in the stirring process, and when discharging, through the reversal and improve the discharging efficiency.

The present invention relates to an all-solid-state battery structure and a manufacturing method therefor, the structure comprising: a pressing jig including first and second plates facing each other; an all-solid-state battery interposed between the first and second plates; and a pad positioned between the first plate and the all-solid-state battery and / or between the second plate and the all-solid-state battery, wherein the pad sequentially includes a first pad and a second pad having different hardnesses, the second pad being closer than the first pad to the all-solid-state battery, and the ratio of Shore A hardness of the second pad to Shore A hardness of the first pad is 1.8 to 5. Pressurization can be uniform and all-solid-state battery damage is controlled while interfacial resistance between layers is lowered, and thus an all-solid-state battery structure having excellent discharge capacity characteristics, high-rate discharge efficiency and cycle performance, and a manufacturing method therefor can be provided.

This utility model relates to the field of mobile energy storage vehicle technology, specifically a mobile energy storage vehicle with temperature control function. It includes an adapter box, a main control box, a power module, an EV charging gun, a mobile frame, an energy storage battery, and a temperature control component. The adapter box, main control box, power module, EV charging gun, and energy storage battery are all mounted on the top of the mobile frame, and are electrically connected to the energy storage battery. This utility model achieves mobile charging equipment, flexibly meeting the charging needs of scenarios such as old residential areas, highways, and temporary operations, solving the problem of fixed charging pile layout limitations. Its temperature control component monitors the energy storage battery temperature in real time through a thermal management driver, driving the coolant to circulate between the battery cooling plate, heat exchanger, and coolant tank to achieve dynamic heating or cooling, avoiding abnormal temperature affecting battery charging and discharging efficiency and safety. Compared with traditional cooling methods, it is more efficient and uniform.

The utility model discloses a kind of vehicle-mounted air conditioner CCU installation platform, belong to vehicle-mounted air conditioner technical field, including signal input layer, main control unit, output control unit, external interactive layer and battery management system, main control unit is also provided with battery thermal management control module;This platform can improve battery performance and life, through accurate, timely preheating and cooling, so that power battery always works in optimum temperature interval, significantly improves charge-discharge efficiency, prolongs battery service life.

This utility model relates to the technical field of slag discharge devices for furnace slag coolers, and discloses a slag discharge speed adjustment device for furnace slag coolers. The device includes a slag discharge cylinder, with an adjustment cylinder fixedly connected to the outer wall near the bottom. A rotating disk is movably connected to the bottom of the inner wall of the adjustment cylinder. The top of the rotating disk has six equidistant, annularly distributed inclined adjustment slots. An adjustment block is inserted into one end of the inner wall of each inclined adjustment slot. The output end of the adjustment block is located on the upper surface of the rotating disk. A limit slide is provided at the bottom of the slag discharge cylinder. The top output end of the adjustment block is slidably connected to the top of the inner wall of the limit slide. Through the cooperation of the above structures, this device achieves precise adjustment of the slag discharge speed of the furnace slag cooler. The rotating disk is driven to rotate by a forward and reverse motor, causing the adjustment block to move within the limit slide, changing the cross-sectional area of ​​the slag discharge channel. Simultaneously, a stirring roller driven by a servo motor prevents slag blockage, improving slag discharge efficiency and production stability, making it more practical.

This invention discloses an oil-based conductive slurry, its preparation method, and its application. The oil-based conductive slurry comprises an oil-based solvent, a conductive material, and an oil-based binder. The oil-based binder is polyvinylidene fluoride (PVDF), and the conductive material is one or a mixture of several of acetylene black, Ketjen black, conductive carbon black, conductive graphite, graphene, and carbon nanotubes. The oil-based conductive slurry is coated on both sides of an aluminum foil and dried to obtain a coating on the aluminum foil, resulting in a carbon-coated current collector. The carbon-coated current collector is used to prepare a positive electrode sheet. The uniform distribution of the conductive material in the oil-based solvent forms a continuous conductive network, which effectively reduces the surface resistance of the aluminum foil, promotes rapid electron conduction, and improves the charge / discharge efficiency and energy density of the battery. The formation of a conductive carbon layer between the aluminum foil and the positive electrode coating reduces the interfacial resistance and improves conductivity.

The utility model relates to the technical field of bean paste processing, concretely to the breaker convenient for discharging, including protection box, the inside rotation of protection box is installed with screen cloth, the inside rotation of screen cloth is installed with broken drum, the lower extreme portion slide of protection box is installed with storage box, the side end portion slide of storage box is installed with hopper board, the inside rotation of storage box is installed with second rotation rod, the outer surface of second rotation rod is equipped with thread baffle, the side end portion of second rotation rod is installed with second drive motor. The improved breaker convenient for discharging, through second drive motor starting drive second rotation rod rotation and then cooperate thread baffle will fall into the broken material of storage box inside and push concentrated, again cooperate on the inside opening of hopper board, thereby to the broken material carries out the collection and discharge, reaches the device when using can concentrate according to need to the broken material, controls the discharge strength, thereby improves the device discharging efficiency, improves device use flexibility.

This invention discloses a battery charging and discharging control method, apparatus, distributed battery system, and device. The method is applied to any battery node in a distributed battery system and includes: determining the charging and discharging mode of the distributed battery system; acquiring charging and discharging data of itself and other battery nodes in the charging and discharging mode; the charging and discharging data includes at least the state of charge and health state of each battery node; determining a load allocation coefficient, a first parameter, and a second parameter based on the charging and discharging data; the load allocation coefficient characterizes its relative charging and discharging capacity, the first parameter characterizes the charge balance among battery nodes, and the second parameter characterizes the current balance among battery nodes; determining a target control strategy based on the load allocation coefficient, the first parameter, and the second parameter; and adjusting the switching duration of the charging and discharging switching devices based on the target control strategy. This achieves precise adaptive and coordinated control of batteries in different health states, improving the system's charging and discharging efficiency.

The utility model discloses a kind of bulking devices for bullfrog feed production, comprising: box, its bottom is set as opening, both sides are fixedly connected with L-shaped support;Base is connected in the bottom of two L-shaped supports;Steam dispersion enters component, is communicated and fixed in the left side of box;Round pipe, is communicated and fixed in the top of box.The utility model is provided with a series of structures, can be pre-crushed to caking raw material when bullfrog feed raw material is added Handle, and by stirring cooperation dispersed feed high-temperature steam mode, ensure the uniform effect of contact between feed and steam, to ensure the drying and curing speed of feed, and it is convenient to directly overall remove large-area shielding to box bottom after curing, to facilitate drying and curing feed directly with large-area passage mode Anti-blocking fast smooth discharge work, avoid the phenomenon that existing small-bore discharge pipe is easy to block, feed is difficult to discharge and discharge efficiency is low, improve discharge efficiency and stability.

The utility model discloses a kind of double-side double-station bonding machines for processing pearl wool, relate to pearl wool processing technical field, including: heating mechanism, the heating mechanism is used to heat pearl wool edge; pearl wool edge transfer mechanism, the pearl wool edge transfer mechanism is used to transfer pearl wool edge;And positioning discharge mechanism, the positioning discharge mechanism includes the discharge channel of being set in the left side of the top of workbench and the flow guide plate below discharge channel and with the fixed connection of workbench, the positioning discharge mechanism also includes the rotating shaft of being rotatably nested in the top center of workbench by bearing.The utility model can be directly erected in the front of device and loaded, without frequent movement, reduce the physical burden of operator, while pearl wool base and pearl wool edge after bonding can be actively output, without manual manual one by one, improve discharge efficiency while reducing operation difficulty.

This utility model discloses a grounding strip with a braided structure, belonging to the field of lightning protection grounding technology, including a graphite braided strip and a reinforcing braided layer. The graphite braided strip is formed by weaving graphite wires. The reinforcing braided layer is a layered structure formed by weaving a mixture of reinforcing wires and graphite wires, and the layered structure of the reinforcing braided layer is arranged circumferentially along the interior of the graphite braided strip. The graphite braided strip, woven from graphite wires, provides excellent conductivity and corrosion resistance. The reinforcing braided layer, formed by weaving a mixture of reinforcing wires and graphite wires, enhances the mechanical strength of the grounding strip and reduces the probability of damage or breakage. The mixed weaving of graphite wires and reinforcing wires serves as a structural transition, avoiding discontinuities or abrupt changes in the resistivity of the graphite braided strip, which would lead to an increase in overall grounding resistance and a reduction in current discharge efficiency. The integrated braided structure gives the grounding strip both flexibility and strength, facilitating installation and transportation.

The present invention provides a positive electrode material and a method for preparing the same, as well as a lithium-ion battery. The positive electrode material is made of Li, Fe, Mn, and PO4. - The cathode material comprises a core layer containing ions and doped element A, and a shell layer whose surface is covered to the outer surface of the core layer, and which contains first and second carbon particles, wherein doped element A contains at least one element from Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn, and Y, the difference in distance between the highest and lowest points on a single surface of the cathode material is 1 nm or less, and the surface roughness of the cathode material is 0.8 μm to 1.6 μm. Two carbon coating processes ensure high capacity and high compressibility of the cathode material, while significantly reducing manganese elution, thereby ensuring the cycle discharge efficiency of the cathode material.

Provided is an operation method of a battery management device. This operation method of a battery management device comprises: a step for receiving sensing data including physical quantities of each of one or more batteries; a step for measuring the discharge efficiencies of the one or more batteries in response to determining that the temperature of at least one of the one or more batteries is higher than a first critical temperature; and a step for outputting a cooling signal for cooling the one or more batteries in response to determining that the discharge efficiencies of the one or more batteries are lower than a preset critical efficiency, wherein the first critical temperature may correspond to a temperature range related to reversible performance reduction of the one or more batteries.

The application discloses a middle-large dense battery dry battery automatic logistics conveying system and relates to the technical field of logistics transportation. The middle-large dense battery dry battery automatic logistics conveying system comprises a battery buffer area for storing assembled batteries, a battery acid adding area with an acid adding system and a battery waiting area, wherein the acid adding system is used for performing an acid adding action on the batteries in the battery waiting area; a battery stacking area with a stacking mechanism for performing a stacking action on the assembled batteries; and a plurality of transfer units with a moving device and a bearing structure with a complete plane for placing a plurality of middle-large dense batteries. The battery buffer area for storing excess batteries is added between the conveying processes of the battery stacking area and the battery acid adding area, which can effectively avoid the invalid stacking or occupation of the conveying channel of the excess batteries when the discharging efficiency of the battery stacking area is much higher than the feeding efficiency of the battery acid adding area, thereby ensuring the conveying efficiency of the batteries.

The application provides a notebook battery module and relates to the technical field of notebook batteries, which comprises a battery mechanism, a buckle plate is arranged on the battery mechanism, limit side frames are arranged at both ends of the battery mechanism, transparent plates are arranged on the limit side frames, limiters are arranged at the connection positions of the battery mechanism and the limit side frames, bucklers are arranged on one side of the battery mechanism, and control battery cores are arranged in the limit side frames. According to the application, the staff can select the power supply mode of the battery in the corresponding software of the system according to the environment in which the notebook is used. After the staff selects the mode, the notebook sends a signal to the control battery core, and then the discharge efficiency of the battery body is displayed through the control battery core, so that the discharge mode of the notebook battery module is further improved by selecting different discharge efficiencies under different working modes, and the problem of excessively high discharge efficiency of the battery in the actual use process is prevented.

This invention belongs to the field of energy storage equipment technology, and relates to a modular stacked energy storage device supporting DC microgrids and V2H. It includes: a housing with a top cover fixedly attached; uniformly distributed battery cells and several supporting springs placed inside the housing; a cooling medium stored inside the housing; and equally spaced detection sections positioned near the corresponding battery cells on the supporting springs. Each detection section is fixedly connected to a detection plate, and several heat-insulating strips are fixedly attached to the side of the detection section away from the corresponding battery cell. This invention utilizes heat-insulating strips to separate the battery cells from the cooling medium, reducing the contact amount between the battery cells and the cooling medium during initial startup, thereby keeping the battery cells warm and shortening the time required for the battery cells to heat up to the normal operating temperature range, thus improving battery charging and discharging efficiency. After the battery cells heat up to the normal operating temperature range, the different thermal deformation of the detection sections and detection plates causes them to bend, allowing the cooling medium to enter the gap between the detection plates and the battery cells, thus cooling the battery cells.

This invention provides a waste lithium-ion battery resource recycling and processing device, relating to the field of battery resource recycling technology. The device includes: a support frame; a discharge mechanism, which comprises a housing, a separator, a first driving component, and a conveying assembly. The housing is fixed to the support frame, the separator is fixed to the housing, and the first driving component is fixed to the housing. A method for recycling waste lithium-ion batteries includes the following steps: Step S1, pretreatment, where waste batteries are initially discharged in the waste lithium-ion battery resource recycling and processing device, followed by crushing and sorting to obtain a black substance. This allows for the selection of different discharge liquids based on battery voltage detection results, improving the repeatability of waste battery discharge and effectively reducing over-discharge or under-discharge phenomena. It also adapts to continuous discharge recycling of waste batteries, improving the discharge efficiency of waste battery recycling.

A positive electrode for a lithium secondary battery according to embodiments of the present disclosure comprises a positive electrode active material layer containing a positive electrode active material and having a density of 3 g / cm3 or more, wherein the positive electrode active material includes lithium metal oxide particles containing cobalt, the content of cobalt being 0 mol% (exclusive) to 15 mol% (inclusive) relative to the total number of moles of elements excluding lithium and oxygen. The difference between the charge / discharge efficiency and the charge / discharge efficiency after 10 additional charge / discharge cycles in a half-cell comprising the positive electrode for a lithium secondary battery is less than 1%.

This invention relates to the field of battery technology, and in particular to a graphite anode material, its preparation method, and a secondary battery. The graphite anode material of this invention comprises multiple secondary graphite particles, each secondary particle comprising multiple primary graphite particles. The surface of each primary graphite particle is coated with a hard carbon layer, and each primary graphite particle has at least one pore containing hard carbon. The preparation method of the graphite anode material includes the following steps: granulating and graphitizing a mixture containing raw material coke and a hard carbon precursor sequentially to obtain the graphite anode material. In the graphite anode material of this invention, the hard carbon not only coats the surface of the primary graphite particles, forming secondary particles, but also penetrates into the interior of the primary graphite particles. The high disordered structure of the hard carbon is more conducive to lithium-ion intercalation. This graphite anode material exhibits excellent rate performance, initial charge-discharge efficiency, and cycle performance.

This invention discloses a low-voltage lithium battery charging and discharging control method, device, and vehicle, comprising: real-time acquisition of the internal parameters, SOC error band, charging and discharging efficiency of the low-voltage lithium battery, as well as vehicle operating condition data, environmental data, and user behavior data; determining the vehicle's current scenario based on the vehicle operating condition data, environmental data, and user behavior data; in the default scenario, first acquiring the capacity decay rate and health status of the low-voltage lithium battery, correcting the internal resistance of the low-voltage lithium battery, and using the capacity decay rate as the SOH decay gradient; then, based on the SOC error band, vehicle operating condition data, environmental data, SOH decay gradient, and corrected internal resistance, performing reinforcement learning to output a charging and discharging control strategy; finally, executing the strategy. The capacity decay rate and health status are obtained through prediction; the reward function is determined based on the charging and discharging efficiency, health status, and reward function weights. This invention enables high-efficiency and long-life operation of low-voltage lithium batteries.

The utility model relates to packing machinery technical field, especially a reciprocating packing machine hopper subassembly of high discharge efficiency, including hopper body, the left end upper portion and right end upper portion of hopper body are all fixedly connected with fixed plate, the upper end rear portion of hopper body and the upper end of left fixed plate are all fixedly connected with L type connecting plate, the lower end of two L type connecting plates is commonly swinged and is connected with the anti -blocking device, the outside of two fixed plates is all fixedly connected with the mounting frame. The utility model discloses a reciprocating packing machine hopper subassembly of high discharge efficiency, through the rotation of the first rotating motor driven driving pulley, driven pulley and transmission belt in anti -blocking device, make the movable rod and spiral feed vane rotate, and the spiral feed vane that the pitch gradually decreases from top to bottom can push the downward movement of material, break the lump and accumulation, avoid the discharge interruption, need not manual dredging, improve production efficiency.

This utility model discloses a quantitative filling device for filling equipment, including a cylindrical filling tank. A discharge pipe is installed at the bottom of the filling tank, and a hydraulic cylinder is installed at the top of the filling tank. The lifting end of the hydraulic cylinder extends into the filling tank and is equipped with a material extrusion block, and the two sides of the material extrusion block are slidably connected to the inner wall of the filling tank. The beneficial effects of this utility model are: by setting the hydraulic cylinder to drive the material extrusion block to extrude material downwards during the material discharge process of the filling tank, the material discharge efficiency can be effectively improved; and by setting the two sides of the material extrusion block to be slidably connected to the inner wall of the filling tank, the material can be prevented from sticking to the side wall of the filling tank, ensuring the accuracy of material discharge; and by setting the feed pump, transparent glass and photoelectric level gauge in combination, the material in the filling tank can be accurately measured.

The utility model discloses portable heavy metal ion detector relates to metal detection technical field, including box, the box upper surface is hinged with the box cover, the inside one side of box is provided with detection subassembly, and the lower surface of box is provided with support subassembly, the detection subassembly includes detection cabin, and the detection cabin sets up in the inside one side of box, and the detection cabin in one end middle part is provided with detection end, the utility model discloses the clean subassembly of setting, can improve the sample's entry and the discharge efficiency of waste liquid through the setting of inlet pipe and outlet pipe, thereby effectively improve the efficiency of cleaning, guarantee this device can be cleaned in the first time of detection end, as soon as possible put into the use in the second time, effectively improved the use efficiency of this device, thereby effectively improved the practicality of this device.

This utility model belongs to the field of material conveying equipment, specifically relating to an emergency discharge device for a loss-in-weight scale. The device includes a material metering bin, a loss-in-weight scale conveying screw, a material agitator, an emergency discharge port, an ash hopper, an emergency material pipe, an ash discharge valve, a main material pipe, and a submerged scraper conveyor. Installed below the metering bin of the loss-in-weight scale, this device can quickly discharge the material in the metering bin to downstream equipment and into the production system when the scale is jammed, crushed, or malfunctioning due to foreign objects. This improves the discharge efficiency, effectively reduces the labor intensity of the work, and is also low-cost, effectively screening out foreign objects and meeting the requirements of civilized production on site.

The utility model discloses a kind of electric core internal resistance measurement screening charge-discharge device, it is related to electric core internal resistance measurement screening charge-discharge device technical field, including fixed seat and adjusting charge-discharge assembly, the fixed seat top one side is fixedly connected with adjusting charge-discharge assembly, the adjusting charge-discharge assembly includes the fixed box of fixed connection in the fixed seat top one side, the fixed box one side is fixedly connected with motor box, the inside fixed connection of motor box has servo motor, the output of servo motor is fixedly connected with transmission rod;The utility model is equipped with adjusting charge-discharge assembly, when personnel operating device is used, start servo motor to drive transmission rod and positive and negative screw rod rotation, make the charge-discharge plate of two sides move along positive and negative screw rod towards or away, to adjust the pitch of connector, adapt to different size electric core, ensure that connector and electric core are closely contacted, improve charge-discharge efficiency and the accuracy of internal resistance measurement.