53 results about "Floating charge" patented technology

The invention discloses a hybrid parallel direct-current power supply system, a charge and discharge control method and a medium, and the system comprises the hybrid parallel direct-current power supply system which comprises a direct-current bus; the power conversion module comprises two groups of three-port converters and a plurality of groups of two-port converters, the three-port converters are connected in parallel with super capacitor banks and a storage battery pack, the storage battery pack comprises a plurality of storage batteries which are connected in series, the two super capacitor banks are connected in series and then connected with the direct current bus, and the two-port converters are connected with the storage battery pack; a three-port converter, wherein the two-port converter is electrically connected with the direct current bus; and the charging and discharging control module is electrically connected with the battery conversion module so as to control the battery conversion module to realize a constant-current, constant-voltage and floating-charge staged charging strategy and an anti-interference discharging strategy. According to the invention, the complementation of the short-time / instantaneous power fluctuation of the super-capacitor compensation direct-current bus and the long-time power fluctuation of the storage battery compensation direct-current bus is realized.

The invention relates to the technical field of storage battery monitoring, and discloses a storage battery operation state visual monitoring method and system based on an electrochemical impedance and polarization internal resistance technology. The method comprises the following steps: sequentially applying sine wave alternating current excitation signals of a plurality of frequency points to a to-be-monitored storage battery, and synchronously drawing a first Nyquist graph; applying pulse discharge excitation in a floating charge state of the to-be-monitored storage battery, and acquiring a current signal and a terminal voltage signal in real time to obtain a polarization internal resistance estimated value; calculating a high-frequency intercept change rate according to the first Nyquist graph and a second Nyquist graph under a corresponding environment condition; and performing visual graphic display on the first Nyquist graph, the impedance parameter set, the voltage response waveform corresponding to the polarization internal resistance estimation value and the comprehensive aging index. According to the invention, a visual and clear battery operation state monitoring result can be provided for operation and maintenance personnel.

This invention proposes a quantitative diagnostic method for internal short circuits in batteries under float charging conditions. The method includes the following steps: S1: Calibrate a float charging voltage curve Map of two normal lithium iron phosphate batteries connected in series under different SOC differences; S2: Randomly collect voltage data of the two lithium iron phosphate batteries under series float charging, observe the battery voltage curves. If the voltage curve does not show a downward trend, it indicates that the battery does not have an internal short circuit fault; if the voltage curve shows a downward trend, it indicates that the battery has an internal short circuit fault; S3: When an internal short circuit occurs, based on the voltage curve Map calibrated in S1, find the intersection point between the faulty battery voltage curve in S2 and the Map, and record the time and voltage of the intersection point; S4: Record the SOC difference ΔSOC corresponding to two intersection points in the Map, and the time difference ΔT between the two intersection points, and calculate the leakage current I based on ΔSOC and ΔT. leak S5: Calculate the average voltage U between the two intersection points in S4, and calculate the short-circuit resistance R = U / I according to Ohm's law. leak .

Disclosed is a substrate support unit capable of addressing problems caused by floating charges accumulated therein. The substrate support unit includes an adsorption plate configured to adsorb and support a substrate disposed on an upper surface thereof and provided therein with a heater assembly configured to heat the substrate, a cooling plate disposed below the adsorption plate and provided therein with a coolant channel configured to allow a coolant to circulate therethrough, an electric circuit board electrically connected to the heater assembly and configured to control the heater assembly, and a discharge unit electrically connected to the electric circuit board via a discharge line connected to ground and including a protection module including surge protection components.

The invention discloses a suspension type charging device and an in-situ detection system thereof, and relates to the technical field of charging piles, the suspension type charging device comprises a charging pile body, a detection robot and a suspension bag; the detection robot is arranged at the bottom of the charging pile body in a detachable connection mode and used for walking on the seabed and conducting in-situ detection. The suspension bag is of an annular bag body structure and is used for providing buoyancy to enable the charging pile body to float on the sea surface or suspend at the water bottom; the charging pile body is fixed to the middle of the suspension bag and used for charging the detection robot. When the detection robot sinks to the seabed for in-situ detection, the detection robot is electrically connected with the charging pile body through the charging wire for charging; the technical effects that buoyancy adjustment is accurate, flexibility is improved, offshore attitude stability is improved, functions are diversified, and suspension stability is improved during offshore charging can be achieved.

The invention provides a super capacitor health state estimation method and system and a storage medium, and relates to the technical field of super capacitors. The method is executed under the condition that complete charging and discharging circulation does not need to be conducted on the super capacitor. The method comprises the following steps that the real-time working temperature and working voltage of the super capacitor are obtained; the instantaneous aging rate of the super capacitor is determined based on the working temperature and the working voltage, and the instantaneous aging rate is inversely proportional to the equivalent life determined by the working temperature and the working voltage; performing time integration on the instantaneous aging rate to obtain an accumulated aging amount; and calculating a current health state value of the super capacitor according to a proportional relation between the accumulated aging amount and a preset end-of-life threshold value. Accurate estimation of the health state of the super capacitor is realized under the condition that complete charge-discharge circulation is not needed, and the limitation of a traditional capacity measurement method in a long-term floating charge application scene is effectively overcome.

The application discloses a battery charging control method, a charging pile, a charging cabinet and a charging platform, and belongs to the technical field of battery charging control. The method comprises the following steps: in the case that the battery charging enters a floating charging stage, the real-time charging power of the battery is acquired; the real-time charging power is matched with a plurality of full-charge stopping parameters to obtain matched full-charge stopping parameters, wherein the full-charge stopping parameters comprise a full-charge stopping power interval and a remaining floating charging time; when the real-time charging power is not greater than the maximum value of the matched full-charge stopping power interval and the floating charging time is greater than the remaining floating charging time, it is determined that the battery is fully charged and stops charging; otherwise, the charging is continued. The application realizes accurate judgment of the full-charge state of the battery by monitoring the charging power in real time and dynamically matching the corresponding full-charge stopping parameters, improves the charging efficiency and safety, and adapts to the charging demands of different types of batteries.

The invention provides the double-electric-layer capacitor electrolyte with high energy density and cost advantages, the additive of the electrolyte contains small cations to increase the degree of freedom of salt ions and reduce the viscosity, and the anion part contains hydrophobic groups and oxyphilic groups of oxyphilic functional groups on the surface of activated carbon to reduce the contact between water molecules and an electrode interface, so that the service life of the double-electric-layer capacitor is prolonged, and the service life of the double-electric-layer capacitor is prolonged. And furthermore, the gas production rate of the electrolyte is reduced, the high-rate performance is adapted, the capacity exertion is increased, and the characteristic of low cost is compatible. The capacity retention rate of an EDLC battery cell containing the preferable additive is increased to 78.2% (19.3%) from 58.9% of a blank sample after 1000 circles of 125A large-current circulation (the current of a conventional application scene of the capacity battery cell is 25A), the capacitance retention rate is increased to 78.2% (19.3%) from 58.9% of the blank sample after 1500h of high-temperature floating charge at the voltage of 65DEG C and 2.9 V, and the internal resistance growth rate is increased to 78.2% (19.3%) from 58.9% of the blank sample. According to the present invention, the preferable additive can significantly improve the capacity, such that the injection amount of the cell electrolyte can be reduced so as to reduce the production cost on the premise of maintaining the capacity unchanged, the safety is high, the process change is small, the electrochemical performance is significantly improved, and the commercialization requirement can be well met.

The invention discloses a control method and system for prolonging the service life of a super-capacitor system, and the method comprises the steps: data collection and processing: collecting the operation parameters of each single body in a super-capacitor module in real time; health state SOH calculation: dynamically calculating the comprehensive health state SOH of each single body based on the collected operation parameters in combination with pre-calibrated reference parameters; determining a target voltage, querying a pre-established database according to the currently calculated SOH value of the single body and the currently measured temperature value of the environment where the single body is located, and determining the target floating charge voltage of the single body under the current working condition; and performing adaptive equalization control, triggering a corresponding equalization action according to the deviation, and enabling the single voltage to approach to Utarget. Accurate balance based on the health state is achieved, differential target voltages are dynamically set for monomers with different attenuation degrees by introducing the two-parameter SOH fusing the capacity and the internal resistance as a core decision basis, accelerated aging is fundamentally avoided, and the overall service life of the module is prolonged.

The invention relates to a secondary battery and an electronic device. Specifically, the secondary battery provided by the invention comprises a positive electrode, a negative electrode and an electrolyte, the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are arranged on the positive electrode current collector; the insulating layer comprises boehmite, the positive electrode material layer comprises lithium iron phosphate and lithium manganate, and the electrolyte comprises lithium difluorophosphate. According to the invention, the floating charging safety of the secondary battery can be improved, and the particle breaking change rate can be reduced.

The application relates to a lithium battery positive electrode additive resistant to floating charging and application thereof in preparation of high-energy batteries. The lithium battery positive electrode additive resistant to floating charging comprises a composite of 1-azaphenol thiazine and at least one of sodium fosinopril, lithium fosinopril or potassium fosinopril. The additive can significantly improve the interface stability of the positive electrode under high-voltage floating charging, enables the battery adopting the commercialized positive electrode to realize a high-energy density of >500 Wh / kg and a long cycle life in a conventional electrolyte, and has excellent high-rate performance, and is suitable for high-demand scenes such as satellite power sources and energy storage systems.

The invention relates to a power supply side control method of a charging loop of mobile equipment, the charging loop, a charging device and a charging wire, and is suitable for the charging loop, and the method comprises the steps: recognizing the connection state of the mobile equipment and a power supply; when the access is identified, acquiring battery electric quantity information; on the basis of a comparison result of the information and a preset electric quantity threshold value, a switch module on the power supply side is controlled to switch the on or off state of the charging loop; in the open-circuit state, continuously identifying the connection state; and when the equipment is identified to be still connected, the switch module is controlled to be switched on again based on a preset power supply condition so as to execute power supply operation. According to the invention, the problem of how to actively and thoroughly cut off the charging connection at the power supply side in the prior art is solved, so that the problem of floating charge aging of the battery caused by long-time connection of the power supply after the battery of the mobile equipment reaches the required electric quantity is solved.

The utility model relates to a charging and discharging controller. The charging and discharging controller relates to the technical field of power electronic application. The charging and discharging controller comprises a pre-stage detection circuit, a Boost circuit, a post-stage detection circuit, a control switch and a detection circuit which are arranged on a solar cell panel, after the system is powered on to run the initial program, the running program is selected according to the judgment of the photosensitive element. In the MPPT stage, the controller enables the lead-acid storage battery to receive the maximum output power P of the photovoltaic cell by adjusting the duty ratio D of the switching tube Q. And when the charging current is larger than the overcharge termination current, the storage battery is charged in a constant voltage mode, and meanwhile, the charging current of the storage battery continues to be detected. And when the charging current is lower than 10% of the rated current, switching to a floating charging stage, and charging the storage battery by adopting a constant voltage slightly higher than the voltage of the storage battery in the floating charging stage.

The invention provides a data processing method and device for adaptive adjustment of charging and discharging parameters of a super capacitor, and is applied to the technical field of data processing. According to the method, a full-process self-adaptive system is constructed around the requirement of a variable pitch backup power supply of a wind turbine generator set: firstly, real-time state data of a super capacitor are collected, and overall operation real-time data and preliminary evaluation are generated through anomaly elimination and trend analysis processing; setting a multi-level threshold value by combining the environment temperature and the charging and discharging frequency, applying capacitance characteristic constraint and a variable pitch safety target, and generating an alarm and state report; the charging current is automatically adjusted according to the alarm level, the floating charge voltage is adapted, and parameters are dynamically adjusted to form an automatic scheme; mining a historical data capture performance attenuation rule, predicting a future state and optimizing parameters; finally, multi-link information is integrated, evaluation dimensions and indexes are set, comprehensive evaluation information is generated, the stability of the variable pitch system is guaranteed, and the operation and maintenance cost is reduced.

The invention relates to the technical field of zinc-nickel batteries, and discloses a multiphase high-entropy alloy additive for a zinc-nickel battery and a preparation method of the multiphase high-entropy alloy additive, and the multiphase high-entropy alloy additive is composed of Zn, Ni, Al, Sn, In and Sb elements according to a preset atomic ratio. The preparation method comprises the following steps: preparing a mother alloy cast ingot from metal raw materials in a vacuum induction melting furnace through a staged temperature control melting and multiple remelting process; and crushing the cast ingot, and carrying out high-energy ball milling under the protection of an inert atmosphere to prepare the additive powder. The additive is applied to the negative electrode of the zinc-nickel battery. The additive effectively inhibits dendritic crystal growth and hydrogen evolution side reaction of a zinc negative electrode by using a high-entropy structure, a multiphase synergistic effect and a corrosion resistance characteristic, and solves the technical problems of poor high-rate performance and short floating charge life of a zinc-nickel battery. According to the zinc-nickel battery prepared by adopting the additive, the high-rate cycle life and the high-temperature floating charge equivalent life of the zinc-nickel battery are both prolonged, and the comprehensive electrochemical performance is excellent.

An apparatus may include a DC to DC converter that converts a high voltage level from a battery pack to a relatively lower voltage level for various components of a vehicle. The DC to DC converter may provide an alternate power supply in addition to a battery that is separate from the battery pack. The battery pack and the DC to DC converter may be used to supply power, instead of the battery, during a sleep mode of a vehicle. Further, the DC to DC converter can supply power to float charge the battery, thus minimizing cycling of the battery. The DC to DC converter and the battery may provide a redundant, or backup, power source for a vehicle.

The invention belongs to the field of intelligent scheduling, and particularly relates to an intelligent data center uninterruptible power supply scheduling optimization method, which adopts a mixed decomposition method to decompose multi-modal data into a plurality of components, improves the prediction precision, combines a grey wolf algorithm and a particle swarm optimization algorithm to optimize a BP neural network, dynamically adjusts the network structure and parameters, and improves the prediction accuracy. The adaptability and robustness of a prediction model are enhanced, and the perspectiveness of a scheduling strategy is improved; a hidden layer node number dynamic adjustment mechanism is designed, overfitting or underfitting of the model is avoided, self-adaptive optimization of a network structure is achieved, the adaptability to complex load changes is improved, a multi-target optimization scheduling model is constructed, various parameters are comprehensively considered, long-term floating charge or frequent shallow charge and shallow discharge of the battery is avoided, the service life of the battery is prolonged, and the service life of the battery is prolonged. According to the method, an optimal scheduling strategy is solved in combination with a machine learning method, so that conversion from'static rule scheduling 'to'dynamic optimization scheduling' is realized, and the energy efficiency and reliability of the system are improved.

In order to solve the problem of serious battery capacity attenuation caused by long-term floating charge of a storage battery in a centralized UPS system, the invention provides a UPS charging and discharging control method and system of a wind generating set, the UPS system comprises the storage battery and a UPS host, the output of the storage battery is connected to the UPS host, and the UPS host is further connected to a power grid through a controlled switch; the UPS charging and discharging control method of the wind generating set comprises the steps that the last discharging time of a storage battery, the current wind speed and a wind speed predicted value from a wind field SCADA system are obtained; and when the interval between the last discharge time of the storage battery and the current time exceeds a first preset interval and the current wind speed and the wind speed predicted value are both smaller than a preset wind speed which enables the output power of the fan to be lower than the minimum rated value, the controlled switch is controlled to be switched off, the UPS system is switched to a storage battery power supply mode, and the storage battery supplies power to the wind power load.

The invention discloses an energy storage battery direct-current grid-connected system for preventing bus current feedback, relates to a grid-connected power circuit and a grid-connected control circuit, and belongs to the field of direct-current bus voltage regulation and control. The system comprises a control part and a power part, the control part comprises a storage battery voltage isolation sampling unit, a data processing unit, a bus voltage isolation sampling unit and an isolation driving unit; the power part comprises a storage battery unit, a load unit, a power generation unit, an MOS tube unit, an ideal diode unit and a fly-wheel diode unit. Three system states of grid-connected channel closing, trickle charging and grid-connected channel opening are switched by analyzing the magnitude relationship between the storage battery voltage and the bus voltage in real time, the storage battery is prevented from being damaged by impact current, the long-term floating charging performance is prevented from being reduced, meanwhile, the bus energy is fully utilized, and the system reliability is improved. The method is especially suitable for a system which takes generator power supply as a main power supply and storage battery emergency power supply as an auxiliary power supply and has inductive load on a bus.

The invention discloses a grid structure for a lead-acid storage battery, and relates to the technical field of lead-acid storage batteries, the grid structure comprises a grid main body, the grid main body comprises an outer frame structure and a grid bar structure, the bottom of the outer frame structure is fixedly provided with a base angle assembly, and the grid bar structure comprises a plurality of longitudinal ribs and a plurality of transverse ribs. The transverse ribs comprise main ribs, first ribs and second ribs, the first ribs and the second ribs are alternately arranged in the vertical direction, the main ribs are arranged on the vertical axis of the side wall of the outer frame structure, and the first ribs and the second ribs are arranged on the two sides of the main ribs correspondingly; according to the grid structure for the lead storage battery, the space for storing electrolyte can be increased, electrolyte loss caused by water evaporation in the recycling process of the battery can be compensated, in addition, the overall mechanical strength of the grid and the adhesive force of active substances are enhanced, the physical service life of the batten structure is prolonged, and the service life of the battery is prolonged. Finally, the effects of prolonging the cycle life and the floating charge life of the lead storage battery are achieved.

This invention discloses a method, device, and computer program product for assessing the health status of communication power supply batteries. The method includes: a battery acquisition terminal collecting voltage, current, and temperature operating data; an edge gateway performing data preprocessing; and battery anomaly identification and tiered data uploading based on KLD divergence. An equivalent circuit model is constructed in the cloud, and battery parameters are identified by constraining the parameter identification space with edge anomaly features. The battery health status is calculated based on the battery model parameters. The cloud platform generates a dynamic equalization and floating charge control strategy based on the battery health status and anomaly features, and distributes it to the intelligent edge gateway for execution. Simultaneously, the health benchmark distribution and parameter prior library are adaptively updated, and differentiated maintenance decisions are made by combining SOH, remaining service life, and voltage range. This invention significantly reduces data transmission volume, improves the accuracy of parameter identification and SOH assessment, overcomes model inaccuracies caused by battery characteristic drift, and achieves intelligent and efficient operation and maintenance of backup batteries for communication base stations.

The utility model discloses a prevent lithium battery long time floating charging circuit, including charging power supply circuit, switching circuit, charging circuit, battery charging interface, temperature monitoring circuit, voltage stabilizing output circuit, power output, float control circuit, the utility model discloses the on-off of charging loop is controlled through float control circuit, and the overcharge and long -term floating of lithium battery are prevented effectively in combination with temperature monitoring, and the battery life is prolonged significantly, adopt MOS tube physical isolation charging power supply, ensure that float is cut off completely, avoid the potential risk that leads to the traditional circuit because of leakage current, simultaneously, the self -adaptation voltage recovery charging function can be automatic continuation when battery power is insufficient, and the power supply continuity is taken into account, the synergic design of temperature protection and power disconnect preparatory state has further improved the security and reliability of system, is applicable to low -power consumption's lithium battery power supply equipment.

The invention discloses a direct-current system switch closing judgment method and device, electronic equipment and a storage medium, and relates to the technical field of direct-current systems, and the method comprises the steps: detecting an operation event of a switch; in response to detection that the switch is switched from the first position to the second position, acquiring output current values and floating charge voltage parameters of the first charging device and the second charging device at a preset moment before operation; acquiring output current real-time values of the first charging device and the second charging device after the operation, and calculating output current change values of the first charging device and the second charging device before and after the operation; comparing the output current change value with a preset current change threshold value, and if the output current change value is greater than the preset current change threshold value, determining that the switch is closed in place; and if any output current change value is smaller than or equal to the preset current change threshold value, adjusting the floating charge voltage parameter, and repeating the steps until the switch is switched on in place so as to quickly judge whether the related switch operation is in place or not.

This invention discloses an electrolyte suitable for electric double-layer capacitors, its preparation method, and its application, belonging to the field of electrochemical energy storage technology. The electrolyte comprises an organic solvent, an electrolyte salt, and additives, wherein the additives are fluorinated acrylate additives. The electrolyte of this invention, applied to 2.5~2.8V electric double-layer capacitors, can suppress hydrolysis gas generation and electrode micropore blockage induced by trace amounts of moisture under high-temperature float charging through the synergistic effects of ion solvation sheath reconstruction, interface property regulation, and steric hindrance polymerization. This results in a reduction of more than half in cell volume expansion, a reduction of more than 27.9% in internal resistance increase, an improvement of capacity retention of more than 6.4%, and a reduction of more than 59.7% in electrolyte free acid content after 8 weeks of float charging at 65℃ and 2.9V. Furthermore, only trace amounts are needed to significantly extend the high-temperature service life of the cell without sacrificing the initial conductivity and capacity of the electrolyte, greatly improving the high-temperature degradation problem of existing AN-based electric double-layer capacitors.

The invention relates to an electrolyte for improving the floating charge performance of a zinc-nickel battery as well as a preparation method and application of the electrolyte. The electrolyte comprises the following raw materials in percentage by weight: 25-50% of an alkaline agent, 5-15% of ZnO, 0.5-5% of a lithium salt, 0.1-5% of boric acid and / or borate, 0.005-0.03% of silicate, 0.01-0.5% of a surfactant, 0.01-0.5% of an additive and the balance of pure water, wherein the additive is o-sulfobenzoic acid ammonium salt, 3-amino-1, 2, 4-triazole and N-carbobenzoxy-L-threonine, and the additive is one or more of 2, 2, 4-triazole and N-carbobenzoxy-L-threonine. According to the additive disclosed by the invention, the dendritic crystal growth and hydrogen evolution corrosion of the zinc negative electrode are effectively inhibited through the synergistic effect of the three components, and the cycling stability, the safety and the service life of the zinc-nickel battery under the floating charge working condition are remarkably improved and the service life of the zinc-nickel battery under the floating charge working condition is remarkably prolonged.

The standby power time evaluation method comprises the following steps: acquiring a performance parameter of target equipment in a last charging process, or responding to the charging process of the target equipment, acquiring the performance parameter of the target equipment, the performance parameters comprise battery cell voltage, battery cell charging current, battery cell charge state, battery cell temperature, battery cell voltage change rate and charging time; calculating the maximum available discharge capacity of the target equipment according to the performance parameters; determining a first discharge voltage curve according to the maximum available discharge capacity, preset discharge power and an electrochemical mechanism model, the first discharge voltage curve being a discharge voltage curve of the target device predicted based on the maximum available discharge capacity; determining the standby power time of the target equipment based on the first discharge voltage curve; wherein the charging process comprises a floating charging process.

The invention discloses a charging method, system, equipment and medium suitable for a high-capacity lead-acid battery pack and a high-capacity lithium battery pack at the same time, and belongs to the technical field of battery pack charging, and the charging method comprises the steps that a first charging unit is configured with small power to set equalized charging and floating charging voltage, and a second charging unit is configured with large power to set equalized charging voltage and current. The power management system controls work according to the battery type and the voltage state. And for the lead-acid battery, the first unit is continuously charged, the two units work cooperatively when the voltage is lower than equalized charging, and the first unit performs floating charging and the second unit stops when the voltage is higher than equalized charging. For the lithium battery, when the voltage is lower than equalized charging, the two units are charged in a constant-current mode, and when equalized charging is achieved and the current sum is lower than a threshold value, charging is stopped. And comparing the voltage data in real time, and giving an alarm to enter a safety mode when the deviation exceeds a threshold value. And dual control of a communication instruction and a high-voltage contactor is adopted. According to the invention, by matching two sets of charging units with different charging modes and power levels, compatible adaptation of the lead-acid battery pack and the lithium battery pack is realized.

The invention discloses a vehicle-mounted low-voltage power supply lithium battery and a power supply system. The vehicle-mounted low-voltage power supply lithium battery solves the problem of continuous switching of vehicle-mounted low-voltage charging and discharging and avoids storage battery damage caused by floating charging overvoltage. According to the technical scheme, a relay and a diode are matched to control the charging and discharging modes of the lithium battery system, and continuous charging and discharging switching can be achieved. And the lithium battery supplies power to the load through two paths of redundancy, so that the reliability of low-voltage power supply of the system is ensured. After the vehicle-mounted charger is started, the lithium battery enters a floating charge state, and it is guaranteed that the battery capacity meets the low-voltage load requirement of the whole vehicle under the emergency condition. When the lithium battery is about to be fully charged, the relay is matched with the diode to control the current flowing direction of the lithium battery, so that the service life of the battery can be prevented from being damaged due to overcharge of the storage battery in the floating charge process, and the battery can be in a hot standby state to ensure the timeliness of discharge.

Charging device comprising a vehicle with a charging module (2) in the vehicle underbody and a stationary charging station (4) with a charging unit (6) for inductively charging a battery of the vehicle, characterized in that - that the charging station is located close to or in the ground, - that the charging unit is mounted in a floating manner in the charging station, - that the loading unit has a predefined horizontal movement area, - that the charging module has at least one localization magnet (7), - that the charging unit has at least one positioning magnet (8), - that the charging unit is designed as a primary coil, - that the charging module is designed as a secondary coil.