258results about "Electrolyte moving arrangements" patented technology

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, for use in prolonging the service life 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 comprises a high-capacity battery and a repair mechanism. The high-capacity battery comprises a case and battery cells arranged in the case; the case is provided with a shared electrolyte chamber; the shared electrolyte chamber is communicated with an electrolyte region of an internal cavity of each battery cell; relief holes allowing poles of the battery cells to extend out are formed in a case top plate; and the pole of each battery cell extends out of a corresponding relief hole of the case top plate, and a case region corresponding to the relief hole is fixedly sealed with a casing of the battery cell. The repair mechanism is connected to the high-capacity battery, and is used for repairing the high-capacity battery after capacity fading or suppressing the fading speed of the high-capacity battery, so as to improve the performance and cycle life of the high-capacity battery.

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The battery cell comprises a shell, a first electrode assembly and a second electrode assembly. The first electrode assembly and the second electrode assembly are both contained in the shell, the first electrode assembly and the second electrode assembly are arranged in the first direction and electrically connected, and the first electrode assembly and the second electrode assembly are each of a winding structure formed by winding around the axis extending in the first direction. According to the battery monomer with the structure, the size of the single electrode assembly accommodated in the shell in the first direction can be optimized while the length size of the battery monomer in the first direction is increased, and the winding size of the first electrode assembly or the second electrode assembly in the first direction does not need to be increased; therefore, the winding difficulty of the first electrode assembly and the second electrode assembly can be effectively reduced, the assembly difficulty of the battery monomer can be reduced, the manufacturing cost of the battery monomer can be reduced, and the production efficiency of the battery monomer can be improved.

The present application relates to a secondary battery. The secondary battery comprises a shell, a naked battery cell and a top cover assembly, one end of the shell is provided with an opening, and an accommodating space is formed in the shell; the naked battery cell is arranged in the accommodating space; the top cover assembly comprises an end cover and lower plastic arranged on the end cover, the end cover is connected to the opening in a sealed mode, an anti-explosion valve through hole provided with an anti-explosion valve is formed in the end cover, the side, away from the end cover, of the lower plastic faces the naked battery cell, an exhaust through hole communicated with the anti-explosion valve is formed in the lower plastic, and the area of the anti-explosion valve through hole accounts for 1.5%-8% of the area of the end cover. The second area of the orthographic projection of all the exhaust through holes on the end cover accounts for 1%-5% of the area of the end cover, and the area of the end cover ranges from 4200 mm < 2 > to 75000 mm < 2 >.

A system and method for flushing electrolyte from an electrolyte flushable battery device during a thermal runaway event. At least one condition of the electrolyte flushable battery device is monitored to detect a potential thermal runaway event as a function of the at least one condition exceeding a threshold. In response, an inlet valve and an outlet valve on the battery device are opened. The flushing liquid is flushed or pumped through the battery device, wherein the flushing liquid enters the device through the inlet valve and exits the device through the outlet valve. The irrigation liquid is then stored in the reservoir.

Systems and methods of the various embodiments may provide a refuelable battery for the power grid to provide a sustainable, cost-effective, and / or operationally efficient solution to energy source variability and / or energy demand variability. In particular, the systems and methods of the various embodiments may provide a refuelable primary battery solution that addresses bulk seasonal energy storage needs, variable demand needs, and other challenges.

The utility model discloses an end cover assembly, an energy storage device and electric equipment. Wherein the end cover assembly comprises an end cover, lower plastic, a pole and a collector plate, and the lower plastic comprises a lower plastic body and a limiting convex part; the two limiting convex parts are arranged on the second surface in a protruding mode, each limiting convex part comprises a first side wall face, a second side wall face and an end face, the first side wall faces are obliquely arranged, the second side wall faces are obliquely arranged, and the end faces are connected between the first side wall faces and the second side wall faces; each limiting convex part is provided with a flow guide groove; the current collecting disc comprises a connecting part and a disc body part, the disc body part is located on the sides, back to the lower plastic body, of the two limiting convex parts in the thickness direction of the end cover assembly, the orthographic projection of the disc body part on the second surface is located in the lower plastic body, and the orthographic projections of the end faces of the two limiting convex parts on the second surface are both located on the orthographic projection of the disc body part on the second surface. The utilization rate of the electrolyte can be improved.

An injector inlet structure for injecting an electrolyte solution to a battery cell includes a closed-loop shaped outer ring configured to define an inner region; a momentum reduction portion disposed at a center portion of the inner region, spaced apart from the outer ring, to collide with electrolyte solution injected to the center portion of the inner region among the electrolyte solution injected through the inner region; and at least one connection member extending from the outer ring toward a center of the outer ring to be connected to the momentum reduction portion.

A system and method for flushing the electrolyte out of an electrolyte flushable battery apparatus during a thermal runaway event. At least one condition of the electrolyte flushable battery apparatus is monitored to detect a potential thermal runaway event based on the at least one condition exceeding a threshold value. In response the inlet valve and outlet valves on the battery apparatus are opened. A flushing liquid is flushed or pumped through the battery apparatus where the flushing liquid enters the apparatus through the inlet valve and leaves the apparatus through the outlet valve. The flushing liquid is then stored in a reservoir.

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.

An electrolyte supply system for supplying an electrolyte to a use point, includes: a receiving storage tank configured to store the electrolyte that has been delivered; a supply storage tank to which the electrolyte is transferred from the receiving storage tank; a temperature control device configured to control temperatures of the electrolyte in the receiving storage tank and that in the supply storage tank; and a supply pipe that is laid from the supply storage tank to the use point. The electrolyte supply system is highly safe because the storage tanks are disposed in an outdoor location, and furthermore, performs a temperature control process for the receiving storage tank before the electrolyte is transferred to the supply storage tank. Thus, it can supply the electrolyte to the use point 24 hours a day even with little temperature control in the supply storage tank.

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 embodiments described herein relate to a system including an electrochemical cell assembly including an electrolyte composition, and a transducer disposed proximate to the electrolyte composition. The transducer is configured to be selectively activated to deliver an amount of energy to the electrolyte composition to increase a shear thickening of the electrolyte composition. The electrolyte composition includes an electrolyte solvent, an electrolyte salt, and shear thickening particles.

The disclosure provides a battery assembly (116). The battery assembly (116) includes a plurality of stiffener assemblies (118). Each stiffener assembly (118) in the plurality of stiffener assemblies (118) comprises a stiffener body (130), an inner surface (132) of the stiffener body (130) that forms a hollow channel (134) through the stiffener body (130), a cathode assembly (144), and an anode assembly (164). The battery assembly (116) further includes a pump (101) in fluid communication with the hollow channel (134) of the stiffener bodies (130), where the pump (101) is configured to circulate an electrolyte through the hollow channels (134).

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 disclosure provides a lower plastic part (10), an end cover assembly (100), an energy storage device(1000), and an electrical equipment. The lower plastic part has a first surface (101) and a second surface (112) opposite to the first surface. The lower plastic part defines a groove (16), a stream guidance hole (166), and a concave portion (13). The groove and the concave portion are located at opposite ends of the lower plastic part in its length direction. The stream guidance hole penetrates through a bottom wall of the groove. A hole diameter of the stream guidance hole is progressively smaller along a direction from the first surface to the second surface. The lower plastic part further comprises a plurality of first ejector pin parts (S1), a plurality of second ejector pin parts (S2), and a plurality of third ejector pin parts (S3) which are symmetrical with respect to a center line of the lower plastic part in a width direction.

Systems and methods of operating aluminum-air electrochemical cells are provided, in which, following operation of the electrochemical cell(s), the alkaline electrolyte is removed from the cell(s) and a mixture of water with oxygen-rich organic solvent(s) is introduced to protect the aluminum anodes from corrosion by the electrolyte residues. For example, the cell(s) may be flooded with the mixture and then drained, or the mixture may be circulated through the cell(s). During stand-by, the mixture may be used to flood or to be circulated through the cell(s) and drained, to further enhance the operability of cell(s) during operation.

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 battery energy storage container. The energy storage container has a cylindrical housing and a pair of end caps disposed on opposite ends of the cylindrical housing. A diaphragm is positioned between each end cap selected from the pair of end caps and the corresponding end of the cylindrical housing. In one version, the energy storage container is configured to be installed below the ground surface for geological thermal management of the energy storage container. Embodiments of the present invention further disclose various types of electrode retainers. The energy storage container is configured for use in electrochemical battery cells, Li-ion batteries, intercalation batteries, metal-air batteries, flow batteries, fuel cells, reversible fuel cells, and capacitors.

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.

An injector inlet structure for injecting an electrolyte solution to a battery cell includes a closed-loop shaped outer ring configured to define an inner region; a momentum reduction portion disposed at a center portion of the inner region, spaced apart from the outer ring, to collide with electrolyte solution injected to the center portion of the inner region among the electrolyte solution injected through the inner region; and at least one connection member extending from the outer ring toward a center of the outer ring to be connected to the momentum reduction portion.

The utility model provides an aluminum-based solid-state fuel cell which comprises an outer base, a plurality of middle supports sequentially inserted on one side of the outer base, and a plurality of single cells sequentially inserted on the middle supports, aluminum-based solid-state fuel is detachably arranged in the single cells, and an air film for taking in oxygen is arranged on one side of each single cell. The plurality of single batteries on the same middle bracket are arranged in series; the outer base is connected with a liquid inlet main pipeline and a liquid outlet main pipeline, and a single battery liquid inlet and a single battery liquid outlet are formed in one side of each single battery, so that electrolyte enters the aluminum-based solid fuel along the liquid inlet main pipeline and the single battery liquid inlet in sequence and flows back along the single battery liquid outlet and the liquid outlet main pipeline in sequence; according to the utility model, the replacement convenience of the aluminum-based solid fuel in the aluminum-air battery is improved, and the power supply endurance of the aluminum-air battery is ensured.

An apparatus, system, and method for removing impurities from a non-aqueous electrolyte used in an electrochemical cell. The apparatus includes a vessel having one or more chambers with an inlet and an outlet configured to allow the flow of the electrolyte through the one or more chambers; and an inorganic scavenging agent located within the one or more chambers. The inorganic scavenging agent includes one or more types of zeolite particles, at least one type of absorbent filler particles, or a combination of the zeolite and absorbent filler particles. The inorganic scavenging agent absorbs one or more of moisture, free transition metal ions, or hydrogen fluoride (HF) that is present as impurities in the non-aqueous electrolyte.

Battery packs for a plurality of batteries are disclosed. The battery packs can be particularly suitable for metal-air batteries and can include channels for air and channels to replenish electrolyte. The battery packs can further include electronic circuitry to switch one or more batteries from series to parallel or parallel to series. The battery parks can recirculate the catholyte as cooling fluid. Methods of making and using the battery packs are further disclosed.

To provide a flow-through electrochemical cell.SOLUTION: A flow-through rechargeable electrochemical cell includes a container housing a cathode and an anode, a closed loop fluidly connected to the container, a fluid electrolyte within the container and the closed loop and including working ions, and a pump configured to flow the fluid electrolyte through the closed loop, the porous cathode, and the porous anode in a first direction during discharge of the electrochemical cell. The present disclosure further includes a flow-through rechargeable battery including a plurality of electrochemical cells, the closed loop, and the pump.SELECTED DRAWING: None

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.

The disclosure provides a battery assembly. The battery assembly includes an intersection node assembly. The intersection node assembly includes an intersection node body, an inner surface of the intersection node body that forms a hollow interior, and a plurality of openings in the intersection node body, where the plurality of openings are in fluid communication with the hollow interior. The battery assembly includes a plurality of stiffener assemblies. The stiffener assemblies include a stiffener body, an inner surface of the stiffener body that forms a hollow channel through the stiffener body, wherein the hollow channel is in fluid communication with a respective opening in the plurality of openings of the intersection node body, and at least one battery.