68 results about "Battery sizing" patented technology

The present application provides a process to recover materials from rechargeable lithium-ion batteries, thus recycling them. The process involves processing the batteries into a size-reduced feed stream; and then, via a series of separation, isolation, and/or leaching steps, allows for recovery of a copper product, cobalt, nickel, and/or manganese product, and a lithium product; and, optional recovery of a ferrous product, aluminum product, graphite product, etc An apparatus and system for carrying out size reduction of batteries under immersion conditions is also provided.

The invention relates to an analog simulation method for automobile storage battery sizing. The method comprises the steps of (1) dividing a driving cycle into three working conditions including a parking working condition, a starting working condition and a driving working condition, and calculating charge-discharge situations and electricity demand situations of a storage battery under different working conditions; (2) inputting a rated capacity and an initial charge state of the selected battery, and simulating under NEDC (New European Driving Cycle) working conditions through a MATLAB (matrix laboratory); and (3) carrying out multiple cycles to obtain the capacity of the storage battery after one and a half years. According to the analog simulation method, all electricity demand working conditions, including the starting working condition, the driving working condition and the parking working condition of an automobile in the use process are fully considered; meanwhile, the influence of environmental factors is also considered, starting in the low temperature environment is added into simulation calculation so that a calculation result is accurate; in addition, a simulation process simulates the use condition of the storage battery in the whole life cycle, and one-sidedness caused by only consideration of a new battery is avoided. Meanwhile, the problems of frequent lack of electricity and difficult starting of the automobile and shortened life of the storage battery caused by improper storage battery sizing and cost waste caused by excessive battery capacity selection can be solved from the technical angle.

The invention discloses a method for dispersing micro-scale and nano-scale electrode materials, which is suitable for a battery sizing agent consisting of micro-scale and nano-scale active substances, a conductive agent, an adhesive and a solvent. The method comprises the following step of: adding an organic acid additive decomposed at the temperature of 150 DEG C into the battery sizing agent in an amount of 0.1-8 percent of the total weight of the micro-scale and nano-scale active substances, the conductive agent and the adhesive. The method for dispersing the micro-scale and nano-scale electrode materials by taking the organic acid additive as a surfactant is adopted, so that micro-scale and nano-scale active substances can be dispersed more uniformly and stably, and the sizing agent is prevented from settling and can be decomposed into carbon dioxide and water at the temperature of about 150 DEG C for volatilizing, and therefore the battery capacity is increased effectively, the primary efficiency of the battery is improved and the cycle life of the battery is prolonged; the surface tension of the active substances can be reduced, the using amount of the solvent is reduced under the same sizing agent viscosity condition, and the cost is saved; and the adhesive properties of a coated electrode and a current collector can be enhanced, and the cycle life of the battery is prolonged.

A system and method are provided. The system includes a processor. The processor is configured to receive power related data relating to power usage of power consuming devices at a customer site from a plurality of sources. The processor is further configured to generate object function inputs from the power related data. The processor is additionally configured to apply the generated object function inputs to an objective function to determine an optimal capacity for a battery storage system powering the power consuming devices at the customer site while minimizing a daily operational power cost for the power consuming devices at the customer site. The processor is also configured to initiate an act to control use of one or more batteries of the battery storage system in accordance with the optimal capacity for the battery storage system.

The invention discloses a method for manufacturing lithium-ion batteries, which comprises a battery-precharging process. The method is characterized in that the battery-precharging process is realizedin the following way: using a precharging device to precharge a battery and using a vacuumizing device to vacuumize the inside of the battery at the same time, wherein the pressure in the vacuumizingprocess is set to be between 0.03 and 0.08 MPa; the precharging capacity is set to be 0.15 to 1 times of nominal capacity; and the precharging current is set to be between 0.05 and 1 C. The method adopting vacuum precharging can quickly and thoroughly discharge gas produced in the precharging process inside the battery and eliminate insulation region produced by the gas, thereby improving the capacity exerting-cycling performance of the battery, effectively eliminating or reducing lithium-separation situation of pole pieces, guaranteeing the qualified size of the battery and shortening precharging time. In addition, relative to the prior method, the method can leave out the processes of plugging cotton and covering rubber plugs.

The present invention relates to a method of estimating the internal state of an electrochemical system using mathematical models which allow management of an electrochemical battery during operation, and notably estimation of the characteristics of the battery that are not directly measurable. For applications relating to hybrid and electric vehicles, the most significant internal characteristics are the state of charge (SoC), the state of health (SoH) and the thermal state. Reconstruction of the internal characteristics is achieved using mathematical models of the battery. The method can be used synchronously with the operation of the battery itself (real time) with a reduced or off-line mathematical model, for calibration, optimization or validation of management and estimation strategies. The method is useful for battery sizing, which has to be optimized according to the energy and thermal management strategies.

The invention discloses an oral implantable wireless power supply light-emitting micro device capable of promoting dental tissue repair. According to the invention, a resonance coil system is adoptedfor supplying power, so problems of wire abrasion, wire exposure and poor contact and potential safety hazards easily caused by a traditional wire connection power supply manner or the problems of limited battery size, limited service life, troublesome replacement and the like for a traditional battery power supply manner are solved, and more convenience and safety are achieved; and energy transmission is realized under the action of a high-frequency alternating magnetic field through the electromagnetic induction effect of an in-vitro transmitting coil and an in-vivo receiving coil, so continuous power supply can be provided for an LED phototherapy lamp implanted into an oral cavity in the treatment process, and a reliable optimal scheme is provided for long-term electric energy supply ofan implanted device.

A battery compartment for a device has a single cavity that is segmented into discrete slots, each slot associated with projections that secure and immobilize any batteries inserted into the compartment. Each slot is sized to receive a different size of battery, and the slots are positioned relative to one another to prevent batteries of different sizes from being inserted into the compartment. A shelf may be integrated within the slot(s), and the shelf may include a channel or a multi-planar yet unitary contact member to establish a single point of electrical connection between the battery compartment and the device.

The invention discloses a waste battery sorting method which comprises the following steps: (1) primary selection of waste batteries: conveying metal garbage subjected to magnetic separation and a battery mixture into a battery sorting trough through a first conveying belt, wherein metal substances with sizes less than sizes of batteries fall into a second conveying belt from an outlet of the battery sorting trough; (2) detection of the batteries: judging the metal garbage and the barriers in the battery mixture on the second conveying belt according to the fact that the batteries have the electricity output characteristics; and (3) grabbing of the waste batteries: grabbing the batteries, confirmed in the step (2), through a battery grabbing manipulator, and putting the batteries into a waste battery collection box. According to the waste battery sorting method, workers can be replaced for sorting the waste batteries in household garbage subjected to the magnetic separation, so that pollution to the environment due to the waste batteries is prevented; and the waste battery sorting method is high in automation degree, time-saving and labor-saving.

The invention relates to automatic OCV test equipment for a flexibly packaged power lithium ion battery. The automatic OCV test equipment comprises a rack, a movement mechanism unit, a tray conveyingunit, a battery tray, an OCV test unit and a controller, wherein the rack is used for mounting a working part; the movement mechanism unit is arranged in a mounting cavity of the rack and comprises aprobe plate component and a movement mechanism; the tray conveying unit is used for placing a tray and conveying the tray to a tray conveying line outside the rack; the OCV test unit is used for acquiring an OCV parameter of a to-be-tested flexibly packaged power lithium ion battery; the controller is arranged in the mounting cavity of the rack; the control terminals of the movement mechanism unitand the tray conveying unit are respectively electrically connected with a corresponding pin of the controller; and the signal output terminal of the movement mechanism unit is electrically connectedwith the OCV test unit, and the signal output terminal of the controller is connected with the signal input terminal of an external server by virtue of a signal. The automatic OCV test equipment provided by the invention has the beneficial effects that the automatic OCV test equipment can be compatible with multiple battery sizes, automation production efficiency is improved, automatic detectionon the OCV parameter of the battery is realized and operation is easy.

The invention relates to a determination method for the chamfer dimensions of a die head gasket and the die head gasket implementing the method. The determination method for the chamfer dimensions ofthe die head gasket comprises the following steps: step one, arranging at least two chamfers of different dimensions on the die head gasket; step two, mounting the die head gasket on a die head of anextrusion coating machine, and coating a foil with a uniformity mixed battery sizing agent; and step three, after the coasting is stabilized, carrying out sampling measurement and drawing a profile curve of the coating along the thickness direction, and determining the chamfer dimensions of the die head gasket applicable for the battery sizing agent according to the profile curve. According to thedetermination method for the chamfer dimensions of the die head gasket, the chamfer dimensions of the die head gasket applicable for the battery sizing agent can be determined by only one die head gasket, so that the experiment cost is obviously reduced; and moreover, the chamfer dimensions are of only one variable, the influences (such as pump speed, sizing agent batch and man-made operation factors) of other factors among different tests are eliminated, and the accuracy and reliability of experimental result are guaranteed.

The invention relates to the technical field of flow batteries, in particular to a flow battery flow channel with a bifurcated finger-type structure on a bipolar plate. Electrolyte is evenly distributed to the liquid inlet flow channels of all the subunits of the flow channel step by step from an inlet in a step-by-step two-way mode, and the electrolyte of the liquid outlet flow channels is collected to an outlet step by step in the step-by-step two-way mode. The liquid inlet branch flow channels and the liquid outlet branch flow channels are alternately arranged and distributed in an interdigital manner and are not communicated with one another, so that electrolyte is forced to enter the porous electrode from the liquid inlet branch flow channels and then flow into the liquid outlet branch flow channels to be discharged. According to the two-branch finger-type flow channel, the electrolyte is uniformly distributed in each branch flow channel, so that on one hand, the uniformity of active substance supply is ensured, on the other hand, the pressure drop and the pump work loss are reduced, the sealing performance of a system is ensured, the flow of the electrolyte can be further improved, the mass transfer loss is further reduced, and the service life of the system is prolonged. And the battery voltage efficiency and the system efficiency are improved. The invention is suitable for flow batteries with different sizes, and the larger the size of the battery is, the more obvious the effect is.

Provided are a support member and a battery module in consideration of variations in dimensions of the battery. At the same time, stress concentration on the support member is alleviated. A sliding portion 127 of one of adjacent support cases 121 of the plurality of support cases 121 connected to each other is slidably housed in the main body portion 122 of the other support case 121. Apart of the sliding portion 127 of the one support case 121 is pulled out from the main body portion 122 of the other support case 121. Thus, a distance between the one support case 121 and the other support case 121 is increased. At least a part of the sliding portion 127 of the one support case 121 is housed in the main body portion 122 of the other support case 121. Thus, the distance between the one support case 122 and the other support case 122 is decreased.

The invention relates to the technical field of battery quality detection and discloses laminated battery detection equipment. The laminated battery detection equipment comprises a detection platform,a loading device, a detection assembly and an unloading device, wherein the detection platform is used for placing batteries and comprises a first sliding rail, a second sliding rail, a first drivingstructure and a battery placing plate; the first sliding rail and the second sliding rail are arranged in parallel; one side of the battery placing plate is in sliding connection with the first sliding rail; the other side of the battery placing plate is in sliding connection with the second sliding rail; the loading device is used for carrying to-be-detected batteries to the detection platform;the detection assembly is used for performing size detection on the battery placed on a detection position; and the unloading device is used for carrying away the detected batteries on the detection platform. Compared with detection equipment for detecting the battery size by a manual detection mode, the laminated battery detection equipment provided by the invention can automatically perform sizedetection on the to-be-detected batteries and greatly improves detection efficiency.