85results about "Electrolyte moving arrangements" patented technology

The invention belongs to the technical field of lithium ion batteries, and particularly relates to polymer cell linear full-automatic liquid injection equipment which comprises a feeding module, a liquid injection pretreatment module, a vacuum liquid injection packaging module and a discharging module which are sequentially arranged in the cell treatment direction. According to the linear full-automatic liquid injection equipment for the polymer battery cell, through linear assembly line layout and multi-station collaborative operation, full-process automation of the battery cell from automatic feeding, accurate positioning, vacuum liquid injection, standing packaging to automatic discharging is achieved.

The present disclosure relates to a secondary battery inspection apparatus, a secondary battery inspection method, and a secondary battery manufacturing method, and the problem solved by the present disclosure is to identify an internal state of a secondary battery in a non-destructive manner. A secondary battery inspection apparatus according to one embodiment includes a magnetic field generator configured to apply a magnetic field to the secondary battery to be tested, a high frequency generator configured to generate a high frequency of a predetermined frequency and apply the high frequency to the secondary battery to be tested, a sensor configured to detect electromagnetic waves emitted from the secondary battery to be tested to which the high frequency is applied while the magnetic field is applied and a processor configured to determine an internal state of the secondary battery to be tested using the emitted electromagnetic waves detected by the sensor.

To provide a metal-air battery system capable of suppressing generation of dendrites.SOLUTION: A metal-air battery system includes an inlet chamber into which an electrolyte flows, an outlet chamber out of which the electrolyte flows, a hollow outer electrode having an inner space connecting the inlet chamber and the outlet chamber, and an inner electrode provided so as to be inserted into the inner space concentrically with the outer electrode. One of the outer and inner electrodes is a negative electrode including metal. The other is a porous positive electrode capable of making oxygen diffusion possible. A channel through which the electrolyte flows from the inlet chamber to the outlet chamber is formed between the outer and inner electrodes. A cross-sectional area of the channel is configured to decrease from the inlet chamber side to the outlet chamber side.SELECTED DRAWING: Figure 1

The present invention provides a battery cell cleaning apparatus for improving electrolyte impregnation, and a method for preparing a battery cell using same, the battery cell cleaning apparatus comprising: a main body part configured such that at least one battery cell is immersed in a liquid medium accommodated in an internal space; and a vibration part attached to the main body part and configured to generate vibration and transmit the generated vibration to the liquid medium, wherein the vibration part is configured to apply the vibration toward both ends of the battery cell in the length direction through the liquid medium.

The present invention relates to the field of batteries, and in particular to a high-capacity battery assembly, a repair mechanism, and a repair method for the high-capacity battery assembly, so as to prolong the service lives of high-capacity batteries while solving the problem of having a difficulty in assembling shared pipeline assemblies of existing high-capacity batteries. The high-capacity battery assembly includes a high-capacity battery and a repair mechanism. The high-capacity battery includes a housing and battery cells arranged in the housing; the housing is provided with an electrolyte region of the inner cavity of each battery cell; an avoidance hole capable of enabling an electrode terminal of each battery cell to extend out is formed on a housing top plate; the electrode terminal of each battery cell extends out from the avoidance hole on the housing top plate, and a region of the housing corresponding to the avoidance hole is fixed and sealed with a shell of the battery cell; and the repair mechanism is connected with the high-capacity battery, and is configured for repairing the high-capacity battery having an attenuated capacity or inhibiting the attenuation speed of the high-capacity battery, so as to improve the performance of the high-capacity battery and prolong the cycle life of the high-capacity battery.

The present disclosure relates to a secondary battery inspection apparatus, a secondary battery inspection method, and a secondary battery manufacturing method, and the problem solved by the present disclosure is to identify an internal state of a secondary battery in a non-destructive manner. A secondary battery inspection apparatus according to one embodiment includes a magnetic field generator configured to apply a magnetic field to the secondary battery to be tested, a high frequency generator configured to generate a high frequency of a predetermined frequency and apply the high frequency to the secondary battery to be tested, a sensor configured to detect electromagnetic waves emitted from the secondary battery to be tested to which the high frequency is applied while the magnetic field is applied and a processor configured to determine an internal state of the secondary battery to be tested using the emitted electromagnetic waves detected by the sensor.

A method of manufacturing a secondary battery is provided wherein efficiency of a secondary battery manufacturing process is improved and the secondary battery is more structurally stable. The method of manufacturing a secondary battery includes providing a secondary battery, injecting an electrolyte into the secondary battery, activating the secondary battery into which the electrolyte is injected, and applying ultrasonic waves to the electrolyte in the secondary battery.

A metal air battery having multiple anode-cathode disc assemblies that include a first and second cathode disc flanking an anode disc. An actuator moves at least one cathode disc relative to the other cathode disc, and thereby facilitates the size of the anode-cathode gap. The anode disc has a hole that engages a power shaft to rotate the anode disc.

The invention relates to the technical field of lithium battery production, and discloses a liquid injection device for lithium battery production, the liquid injection device comprises a box body, a placing disc and a liquid box, the bottom of the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a driving gear, and the driving gear is in threaded connection with the placing disc. Rotating shafts are fixedly connected to the top and the bottom of the driving gear, placing discs are fixedly connected to the surfaces of the rotating shafts, and a liquid box is fixedly connected to the top of the box body. Through cooperative use of a driving gear and a toothed plate, a motor is started, the motor drives the driving gear to rotate through a screw rod, the driving gear drives a second driven gear to rotate through a first driven gear engaged with the driving gear, the second driven gear drives the toothed plate to slide in a first storage groove, and the toothed plate drives a telescopic rod and a clamping plate to move; and the toothed plate drives the telescopic rod to stretch out and draw back through the clamping plate, so that the clamping plate is prevented from excessively extruding the lithium battery, and the effect of convenient fixation is achieved.

A charging system for a metal-air flow battery, includes: a first layer including a first flow channel; a positive electrode facing the first flow channel; a second layer including a second flow channel; a negative electrode facing the second flow channel; a separator separating the first and second flow channels from each other; a positive-electrode solution flowing through the first flow channel; and a negative-electrode solution flowing through the second flow channel, wherein the charging system for the metal-air flow battery has a time period during which hydrogen is generated in the negative electrode.

The invention relates to a redox flow battery (10) with at least one cell (14) which is divided into half-cells (18) by a membrane (16), each half-cell comprising an electrode (20) which is arranged in an interior space (24) of the respective half-cell (18) through which an electrolyte (22) flows, and the electrolyte (22) can be pumped by means of a pumping device (26) via a fluid inlet (28) in a flow field (30) through the half-cell (18) to a fluid outlet (32), wherein a turbulence device (12) is provided by means of which the flow of the electrolyte (22) can be turbulent. The invention further relates to a method for operating a redox flow battery (10).

The disclosure relates to an electrode assembly (22) for a battery cell of a vehicle. The electrode assembly (22) comprises a first electrode (24) with a first electrode main body (24a) and a first connection terminal (24b) protruding from the first electrode main body (24a). The electrode assembly (22) further comprises a second electrode (26) with a second electrode main body (26a) and a second connection terminal (26b) protruding from the second electrode main body (26a). Moreover, the electrode assembly comprises a capillary element (30) being at least partially arranged outside a space defined between the first electrode main body (24a) and the second electrode main body (26a). The capillary element (30) is fluidically connected to the space defined between the first electrode main body (24a) and the second electrode main body (26a). The capillary element (30) is oriented downwards in an operational state of the electrode assembly (22). Furthermore, a separator (28) for such an electrode assembly (22) is presented. Additionally, a battery cell for a vehicle, a vehicle and a method for replenishing electrolyte into an electrode assembly (22) for a battery cell of a vehicle are shown.

The present disclosure provides a battery assembly.SOLUTION: The battery assembly includes a cross node assembly. The intersection node assembly includes an intersection node body, an inner surface of the intersection node body forming a hollow interior, and a plurality of openings provided in the intersection node body, wherein the plurality of openings are in fluid communication with the hollow interior. The battery assembly includes a plurality of stiffener assemblies. The stiffener assembly includes a stiffener body, an inner surface of the stiffener body forming a hollow channel through the stiffener body, the hollow channel in fluid communication with a respective opening of the plurality of openings of the intersection node body, and at least one battery.SELECTED DRAWING: Figure 4

An electrode assembly, a battery cell, a battery, a device, a manufacturing method, and a manufacturing device are provided. In some embodiments, the electrode assembly includes at least two electrode plates, including a first electrode plate and a second electrode plate that are of opposite polarities. The first electrode plate and the second electrode plate are wound around a winding axis to form a multilayer structure. The multilayer structure includes an accommodation cavity extending along a direction of the winding axis. The accommodation cavity is configured to accommodate an electrolytic solution. The electrode assembly further includes at least one guide path extending along a first direction. The first direction is a direction perpendicular to the winding axis. The guide path is configured to guide the electrolytic solution out of the accommodation cavity.

According to one aspect, a system for electrochemical power storage may include at least one instance of a battery module, each instance of the battery module including a battery enclosure and a metal-air battery, the metal-air battery disposed in the battery enclosure; a reservoir including a volume of a liquid electrolyte; a supply conduit in fluid communication between the reservoir and the battery enclosure; a pump actuatable to move the liquid electrolyte from the reservoir into the battery enclosure via the supply conduit; and a return conduit in fluid communication between the battery enclosure and the reservoir, the liquid electrolyte movable from the battery enclosure to the reservoir, via the return conduit, with the metal-air battery immersed in the liquid electrolyte in the battery enclosure.

Metal-air cells, battery stacks, battery system and methods of forming the anodes within the metalair cells without dismantling the cell are provided. The anodes include metal mesh(es) as current collector(s) and concentrated slurry comprising metal granules suspended in electrolyte, in electrical contact with the current collector(s). The concentration of the slurry is carried out by circulating it through a cell space between cathode(s) and the metal mesh(es), which are configured to increase the concentration of the metal granules accumulating thereupon. The rise in required circulation pressure (or the corresponding time period and / or changes in conductivity related thereto) is used to indicate the completion of the anode formation process. One- and two-dimensional implementations of cells are provided, and discharging efficiency may be enhanced by circulating the electrolyte during discharging.

Proposed is a battery, in particular for motor vehicles, comprising a battery box (2) which has at least one cell (1) and is closed by a cover (5), wherein: in the at least one cell (1), there are arranged an electrode plate (3), an electrolyte liquid (4) which surrounds the electrode plate (3), and a device for mixing the electrolyte liquid (4) in the at least one cell (1); the device comprises an insert part (7) arranged in the at least one cell (1); and the insert part (7) forms at least one flow path (10) which fluidically connects an upper region to a lower region of the at least one cell (1). The battery is characterized in that the insert part (7) is fixed to the battery box (2) and / or to the cover (5) at a connection (8) between the battery box (2) and the cover (5). Also proposed is a method for producing such a battery.

To provide a power storage cell in which, when a plurality of metal pieces are provided at an end of a wound electrode body in an axial direction, penetration of an electrolyte into a separator can be prevented from being hindered by the metal pieces.SOLUTION: The electric storage cell 100 includes a wound electrode body 1 that includes a positive electrode plate 10 (first electrode), a negative electrode plate 20 (second electrode), and separators 30. The positive electrode plate 10 includes a plurality of partial side 1a (metal pieces) provided on the side 11d at the end in the Z direction (axial direction). A through-hole 11d (opening) is formed in each partial 11f.SELECTED DRAWING: Figure 3

Provided are a method and an apparatus for manufacturing a secondary battery in which the efficiency of a secondary battery manufacturing process is improved and the secondary battery is more structurally stable. The method for manufacturing a secondary battery includes: providing a secondary battery; injecting an electrolyte into the secondary battery; activating the secondary battery into which the electrolyte is injected, and applying ultrasonic waves to the electrolyte in the secondary battery.

An apparatus for manufacturing a secondary battery includes an impregnation chamber including a first pressure chamber and a second pressure chamber, the first pressure chamber being configured to accommodate a first gas room of the secondary battery, the second pressure chamber being configured to accommodate a second gas room of the secondary battery, and the secondary battery including a cell room accommodating an electrode assembly with an electrolyte, and a pressure generator, the impregnation chamber being configured to have magnitudes of internal pressures of the first pressure chamber and the second pressure chamber changeable by the pressure generator, such that the electrolyte accommodated in the secondary battery flows between the first gas room and the second gas room and the electrode assembly accommodated in the cell room of the secondary battery is impregnated with the electrolyte.

According to exemplary embodiments, a battery cell is provided. The battery cell includes an electrode including a positive electrode, a negative electrode, and a separator; a cell case including an accommodating part in which the electrode is accommodated and a terrace surrounding the accommodating part; and a beat generator coupled to the cell case, wherein the beat generator is configured to apply an acoustic beat into the cell case.

The utility model discloses an acid liquor recycling system. Belongs to the technical field of lead-acid storage batteries. The device mainly solves the problem that the existing device cannot directly use the sulfuric acid which is collected and poured out in the production field for acidification. The device is mainly characterized by comprising an acid liquor collection pool, an acid liquor delivery pump, an acid preparation tank, an acid liquor dilution tank, a heat exchanger, an acid storage tank and acid liquor pipelines connected among the above parts, the acid liquor delivery pump, the acid liquor dilution tank and the heat exchanger are sequentially connected through an acid liquor pipeline, and a second valve is arranged between the acid liquor delivery pump and the acid liquor dilution tank; and a third valve is arranged between the acid liquor delivery pump and the acid preparation tank. The device has the characteristics that a part of recycled acid liquor can be diluted and then used for acidification on the spot, and the other part of surplus recycled acid liquor and a sulfuric acid solution with higher concentration are prepared into acid liquor with proper concentration to be used for adjusting the liquid level of a battery or used for mixing paste and adding acid; the method is mainly used for in-situ recovery and cyclic utilization of the formed low-density sulfuric acid solution.

Energy storage device (1), comprising: an energy storage module (3); a pair of current collector plates (5A; 5B) configured to be stacked in order to insert the energy storage module (3) between them in a first direction which is vertical; a pair of insulating plates (20A; 20B) configured to be stacked to insert the energy storage module (3) and the pair of current collector plates (5A; 5b) in the first direction between them; and a pair of locking plates (8A; 8B) configured to be stacked to insert the energy storage module (3), the pair of current collector plates (5A; 5B) and the pair of insulating plates (20A; 20B) in the first direction between them, wherein the energy storage module (3) comprises a receiving space which receives an electrolytic solution together with an energy generation element (13), a pressure adjustment valve (18) connected to the receiving chamber is provided on a side surface of the energy storage module (3), the insulating plate, which is arranged on a lower side in the first direction with respect to the energy storage module (3), is configured to encompass a main body section (21) arranged between the current collector plate and the locking plate, and a liquid receiving section (22) provided on an outer edge section (21c) of the main body section (21), arranged at least at a position corresponding to the pressure adjustment valve (18) when viewed from the first direction, and storing the electrolyte solution dispensed by the energy storage module (3), and the main body section (21) and the fluid intake section (22) are formed in one piece.

An electrolyte impregnation device of a secondary battery according to an embodiment of the present disclosure includes: a transfer part configured to transfer the secondary battery in a first direction; and a magnetic field application part for applying a magnetic field in a second direction to the secondary battery transferred by the transfer part. A magnetic field is applied to an electrolyte flowing in a first direction, causing a magnetohydrodynamic convection flow in the electrolyte, especially a small magnetohydrodynamic convection flow near an electrode, such that, under the synergistic action of such flow force and the buoyancy force received by the bubbles, the bubbles on the surface of the electrode are moved to a gas pocket portion, thereby removing the bubbles in the electrode assembly, thereby improving the impregnation performance of the electrolyte.

An electrolyte impregnation device of a secondary battery according to an embodiment of the present disclosure includes: a transfer part configured to move the secondary battery in a first direction; and a magnetic field application part for applying a magnetic field in a second direction to the secondary battery moved by the transfer part.A magnetic field is applied to an electrolyte flowing in a first direction, causing a magnetohydrodynamic convection flow in the electrolyte, especially a small magnetohydrodynamic convection flow near an electrode, such that, under the synergistic action of such flow force and the buoyancy force received by the bubbles, the bubbles on the surface of the electrode are moved to a gas pocket portion of the secondary battery, thereby removing the bubbles in the electrode assembly, thereby improving the impregnation performance of the electrolyte.

The present invention relates to a secondary battery. The secondary battery according to the present invention comprises a secondary battery, which comprises an electrode assembly, an electrolyte, and a battery case configured to accommodate the electrode assembly and the electrolyte, wherein the battery case comprises: a main body having accommodation space in which the electrode assembly and the electrolyte are accommodated; an additional electrolyte accommodation part having a storage space in which an additional electrolyte is accommodated; a connection part configured to form a moving passage through which the additional electrolyte is supplied from the addition electrolyte accommodation part to the main body; and an electrolyte impregnation member provided on the connection part and impregnated with the additional electrolyte.

A battery shell, a battery cell and a large-capacity battery, which mainly solve the problem of poor performance of existing large-capacity batteries. The battery shell is provided with a first through hole and is also provided with a pipeline covering the first through hole and extending along a thickness direction of the battery shell, the pipeline is provided with a second through hole on a pipe body, and the first through hole communicates with the second through hole. An electrolyte sharing channel of a large-capacity battery is formed through the pipeline, and battery cells in the large-capacity battery may be in a unified electrolyte environment, thereby improving the performance of the large-capacity battery.

A control system is described for improving all dynamic multi-cell metal-air batteries to ensure load requirements are met while optimizing battery performance according to a set of performance criteria. This control system can be enhanced with machine learning to further improve both the effectiveness and efficiency of the battery system over time. Dynamic multi-cell metal-air battery system designs are disclosed for achieving continuous or intermittent high power output, expanding the applicability of metal-air batteries combined with electric motors to applications traditionally designated for internal combustion engines.

The present invention relates to a system a system for accelerating the infiltration of a liquid electrolyte in a battery cell, the system comprising: means for positioning the battery cell; a transducer for generating a wave in response to an excitation signal, a controller for controlling the transducer; wherein the transducer and the battery cell are positioned such that the battery cell sits in the direction of propagation; wherein the transducer and the battery cell are positioned such that a distance from the transducer to a surface of the battery cell, furthest away from the transducer, is equal to or larger than one fourth of the wavelength; wherein the controller is configured to bring the voltage and the current of the excitation signal in phase with one another. The present invention also relates to a method or accelerating the infiltration of a liquid electrolyte in a battery cell.