192results about "Electrolyte moving arrangements" patented technology

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.

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.

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.

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.

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.

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.

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

The present application discloses a method for the cascade utilization of a new type of square battery. The new type of square battery includes a housing, a first pole column, a second pole column, and an electric core. The first pole column and the second pole column are electrically connected to the electric core respectively. The new type of square battery further includes a first side housing and a middle housing. The first side housing includes an outer side wall of the side housing and a first annular sliding wall. The middle housing includes an outer side wall of the middle housing and an inner slide rail on the side wall of the middle housing. Wherein, one end of the first annular sliding wall is connected to the outer side wall of the side housing, and the inner slide rail on the side wall of the middle housing is located inside the outer side wall of the middle housing. During the assembly process of the middle housing and the first side housing, the first annular sliding wall can be inserted into the inner slide rail on the side wall of the middle housing and slide within the inner slide rail on the side wall of the middle housing. The new type of square battery in the present application is convenient for improving the cycle performance and electrical performance of the battery under the condition of cascade utilization.

To provide a separator for a lead-acid battery capable of suppressing stratification of an electrolyte and improving battery reliability (a long life in idling stop operation and stability of capacity detection) of the lead-acid battery.SOLUTION: A lead-acid battery separator is composed of a porous back web and a plurality of ribs extending on a surface side of the back web in contact with a positive electrode plate. The rib on a surface side in contact with the positive electrode plate is a fracture rib, and its shape has two or more bending points. The fracture rib is a linear rib that bends in opposite directions at each of two consecutive bending points or a curved rib having one or more inflection points.SELECTED DRAWING: Figure 2

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 present invention relates to an inlet structure of an injector for injecting an electrolyte into a cylindrical secondary battery and an electrolyte injection method using the same. The inlet structure of an injector for injecting an electrolyte into a battery cell includes an outer ring in a closed loop shape that defines an inner region, a momentum reducer that is spaced apart from the outer ring and disposed in the center of the inner region so as to collide with electrolyte injected through the inner region and injected into the center of the inner region, and one or more connecting members that extend from the outer ring toward the center of the outer ring and are connected to the momentum reducer.

A battery cell capable of self-priming with molten metal produced within the battery cell includes a cathode compartment configured to contain a catholyte that releases metal ions, an anode compartment configured to receive electrons from an external power supply, an ion-selective membrane positioned between the cathode compartment and the anode compartment and configured to selectively transport the metal ions from the cathode compartment to the anode compartment when self-priming the battery cell, and an electrically conductive coating on a surface of the ion-selective membrane facing the anode compartment and configured to distribute the electrons received from the external power supply across the ion-selective membrane when self-priming the battery cell. Self-priming includes combining the electrons with the metal ions arriving at an interface between the electrically conductive coating and the ion-selective membrane to produce the molten metal within the anode compartment.

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.