Abstract: The present disclosure provides a liquid injection device for injection of electrolytic solution into a bag-shaped film exterior containing a generation element.

Abstract: A lead-acid battery electrode including a tubular bag. The tubular bag includes a textile fabric, wherein the textile fabric includes a consolidated binder with thermoplastic properties and at least one electrically conductive additive.

Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.

Abstract: The present disclosure relates to a method for producing an electrode plate of a rechargeable electrochemical battery that includes producing a substantially flat lead grid having a plurality of grid bars and a plurality of window-like cutouts formed between the grid bars, introducing an active material into the cutouts and/or onto the grid bars of the lead grid, creating a pattern of slot-shaped depressions in the active material by mechanically impacting the lead grid provided with the active material, where the depressions extend to a depth from the outer surface of the active material. The present disclosure further relates to installation of an electrode plate in a rechargeable electrochemical battery.

Abstract: A separator for an electrochemical cell, in particular a lithium cell, and a corresponding manufacturing method. In order to provide a separator having an elevated dendrite resistance, in particular ion-conducting, particles are introduced into pores of a polymer layer and frictionally retained between polymer walls delimiting pores. An electrochemical cell equipped therewith is also described.

Abstract: A composite having an electrically conductive substrate and a polymer derived from a vinyl-containing siloxane monomer coating on the substrate. A method of electropolymerizing a vinyl-containing siloxane monomer to form a coating on an electrically conductive substrate.

Abstract: A method for manufacturing electrodes for lead-acid batteries includes producing a profiled strip blank in a casting process, wherein the casting process alone is sufficient to cause the strip blank to be formed of greater thickness on one side in a region corresponding to the upper frame element or the lower frame element than in another region corresponding to the meshed region; and producing the meshed region with the openings in a subsequent expanded metal process. In addition, an electrode produced by the method has an upper frame element, or a lower frame element, or both, and a meshed region extending away from the upper frame element, or the lower frame element, or both and having a plurality of openings. The upper frame element, the lower frame element, or both, is of greater thickness than the meshed region.

Abstract: A battery grid pasting machine includes a support structure, a battery grid plate support for supporting a battery grid plate, a paste dispensing hopper, a height adjustment mechanism for adjusting the spacing between the hopper and the battery grid plate support and a control system. The height adjustment mechanism includes a hydraulic cylinder connected to the hopper and a position sensor for sensing the position of the hydraulic cylinder. The control system includes a first hydraulic pump and a first hydraulic valve associated with the first hydraulic pump for incrementally moving the hydraulic cylinder by a first specified distance and a second hydraulic pump and a second hydraulic valve associated with the second hydraulic pump for incrementally moving the hydraulic cylinder by a second specified distance.

Abstract: A surface coating for the surface of lead-grids for lead-acid batteries wherein the coating comprises a resin, a material selected from the group consisting of i. graphene and ii. graphene nanoplatelets.

Abstract: A method and a slurry tank system for transferring chromatography media slurry from a slurry tank (3) to a chromatography column (9), said method comprising monitoring the content of slurry in the slurry tank (3) during the transferring and controlling the transferring of the slurry to the column (9) in dependence of the content of slurry in the slurry tank (3).

Abstract: A battery grid pasting system includes a battery grid pasting machine, a sensing station, and a controller. The battery grid pasting machine includes a conveying apparatus confronting a hopper's dispensing end across a space, and includes a motor actuatable to cause variance of the space and hence variance of the amount of battery paste received on carried battery grids through the space. The sensing station senses a value of a property of a pasted battery grid. And the controller receives the sensed value of the property and controls actuation of the motor based in part or more on the received value.

Abstract: A method for producing a negative grid for a battery which includes providing a strip of battery grid material and performing a punching operation on the battery grid material to remove material and form a grid. The punching operation produces a negative battery grid having a plurality of grid wires bounded by a frame. The battery grid includes a top frame member. A first side frame member is coupled to the top frame member at a first end thereof. A second side frame member is coupled to the top frame member at a second end thereof. A bottom frame member is spaced apart from the top frame member and coupled to the first side frame member and the second side frame member. The negative grid does not include exposed wire ends that may puncture a polymeric separator when the negative grid is provided within the separator.

Abstract: A machine for deforming the wires of grids for making electric accumulators, which comprises two lower molds, and two upper molds which are positioned above the lower molds and which are operable to shift between a raised position, in which they are separated from the underlying lower molds, and a lowered position in which they are pressed against the lower molds to deform the wires of the grids on a grid strip. The upper molds comprise respective projecting molding areas and respective seats which are positioned between the molding areas of the relative upper mold, and each housing a corresponding piece-detacher element which, when the upper molds are in the raised position, is suitable to interfere with the grid remaining attached to the corresponding upper mold to separate the grid from such upper mold.

Abstract: In a valve-regulated lead-acid battery in which charging is performed intermittently on every short time and high rate discharging to a load is performed in a partial state of charge (PSOC), a valve-regulated lead-acid battery improved for the charge acceptance and the life characteristic under PSOC than usual is provided. A positive electrode plate having a specific surface area of an active material of 5.5 m2/g or more is used. A valve-regulated lead-acid battery is manufactured by using a negative electrode plate improved for the charge acceptance and the life performance by adding a carbonaceous electroconductive material and a formaldehyde condensate of bisphenols aminobenzene sulfonic acid to a negative electrode active material and setting the specific gravity of an electrolyte to 1.30 or more and 1.35 or less.

Abstract: The present invention relates to a method for producing an electrochemical cell, such as in particular a secondary battery, a double-layer capacitor, an electrolytic capacitor or a fuel cell, in which a cell vessel containing two electrodes of one-piece or multi-part design and at least one separator is filled with free-flowing electrolyte. The object of the invention is to match the quantity of electrolyte in an electrochemical cell as exactly as possible to the free volume actually present. The object is achieved in that, before the filling with the electrolyte, the quantity of electrolyte to be put in is determined at least while taking into account the actual thicknesses and the actual weights of the electrodes in the cell vessel and of the separator in the cell vessel.

Abstract: An automotive or other power system including a flow cell, in which the stack that provides power is readily isolated from the storage vessels holding the cathode slurry and anode slurry (alternatively called “fuel”) is described. A method of use is also provided, in which the “fuel” tanks are removable and are separately charged in a charging station, and the charged fuel, plus tanks, are placed back in the vehicle or other power system, allowing fast refueling. The technology also provides a charging system in which discharged fuel is charged. The charged fuel can be placed into storage tanks at the power source or returned to the vehicle. In some embodiments, the charged fuel in the storage tanks can be used at a later date. The charged fuel can be transported or stored for use in a different place or time.

Abstract: A battery plate grid strip pasting assembly can include an orifice plate, a support structure, and a belt. The orifice plate has an opening through which battery paste material is dispensed out of a hopper. The support structure underlies a battery plate grid strip and supports the battery plate grid strip upstream of the opening. The belt traverses beneath the orifice plate and carries the battery plate grid strip downstream of the opening and downstream of the support structure. The support structure supports the battery plate grid strip above the belt and a gap is provided between a bottom surface of the battery plate grid strip and a top surface of the belt. Battery paste material is dispensed into the gap, through the battery plate grid strip, and overpastes the bottom surface of the battery plate grid strip.

Abstract: An apparatus that supplies electrolyte inside a battery case disposed inside a reduced pressure chamber includes: a measuring unit where a piston moves in a first direction in a measuring space (S) inside a cylinder, a dispenser that injects electrolyte from above into a battery case, a first pipeline that connects an upper end portion of the measuring space (S) of the measuring unit and the dispenser, and a back pressure valve disposed on the first pipeline. The dispenser includes a discharge nozzle disposed inside the battery case or in a periphery of an upper end of the battery case, a needle valve that is disposed inside the discharge nozzle and opens and closes the discharge nozzle, and an actuator that drives the needle valve up and down.

Abstract: An automatic acid filling apparatus includes a base with at least one acid filling tank pivotably connected thereto. The filling tank has an opening and a gate respectively connected to each end thereof. A first activating device is pivotably connected to the base and the acid filling tank, and a second activating device is pivotably connected to the acid filling tank. The second activating device controls the gate to be opened so that the assembled horizontal batteries can be placed into the acid filling tank. The gate is then closed. A suction device sucks air out of the acid filling tank from the opening, and then the acid is filled into the acid filling tank via the opening by using an acid filling device. The first activating device activates the acid filling tank to rotate to an inclined position for fully absorbing the acid.

Abstract: An electrode mixture paste is applied on both sides of a strip of core material as it runs along its lengthwise direction, and the coating thickness of the paste is adjusted as the core material coated with the paste passes through a gap between a pair of scraper tools. Tips provided to the scraper tools scrape off the paste to form a paste-coated portion of a predetermined width. The electrode mixture paste scraped off with the tips is returned through recesses on the upstream side of the tips in the running direction of the core material, so as to prevent the phenomenon where the coating thickness is increased at both side edges of the paste-coated portion. Thus, a method for applying electrode mixture paste is realized that can prevent the phenomenon where the coating thickness is increased at both side edges of the paste-coated portion.

Abstract: A method of manufacturing an electrochemical cell includes transferring an anode semi-solid suspension to an anode compartment defined at least in part by an anode current collector and an separator spaced apart from the anode collector. The method also includes transferring a cathode semi-solid suspension to a cathode compartment defined at least in part by a cathode current collector and the separator spaced apart from the cathode collector. The transferring of the anode semi-solid suspension to the anode compartment and the cathode semi-solid to the cathode compartment is such that a difference between a minimum distance and a maximum distance between the anode current collector and the separator is maintained within a predetermined tolerance. The method includes sealing the anode compartment and the cathode compartment.

Abstract: An apparatus and method operations are provided for battery plate fabrication, in particular for applying paste to battery plate grids. A conveyer-type pasting machine includes a conveyer belt for moving battery plate grids under a new type of paste dispensing hopper, which includes closely spaced knurled rollers and an angled paste deflector member, which cooperate to generate a pressurized stream of paste for extrusion thru the battery plate grid. The apparatus also includes a specialized grid support sheet that also enables a consistent layer of paste to be applied to both exterior sides of a manufactured battery plate grid by enabling application of paste to one side of the grid and facilitating transmission of the paste through to and past the opposite, exterior side of the grid.

Abstract: An apparatus that supplies electrolyte inside a battery case disposed inside a reduced pressure chamber includes: a measuring unit where a piston moves in a first direction in a measuring space (S) inside a cylinder, a dispenser that injects electrolyte from above into a battery case, a first pipeline that connects an upper end portion of the measuring space (S) of the measuring unit and the dispenser, and a back pressure valve disposed on the first pipeline. The dispenser includes a discharge nozzle disposed inside the battery case or in a periphery of an upper end of the battery case, a needle valve that is disposed inside the discharge nozzle and opens and closes the discharge nozzle, and an actuator that drives the needle valve up and down.

Abstract: To provide an electrolyte solution, which contains an electrolyte compound, a molecular structure of which contains a molecular chain containing a repeating unit of alkylene oxide, and contains quaternary ammonium cations at both terminals of the molecular chain.

Abstract: An apparatus and method operations are provided for battery plate fabrication, in particular for applying paste to battery plate grids. A conveyer-type pasting machine includes a conveyer belt for moving battery plate grids under a new type of paste dispensing hopper, which includes closely spaced knurled rollers and an angled paste deflector member, which cooperate to generate a pressurized stream of paste for extrusion thru the battery plate grid. The apparatus also includes a specialized grid support sheet that also enables a consistent layer of paste to be applied to both exterior sides of a manufactured battery plate grid by enabling application of paste to one side of the grid and facilitating transmission of the paste through to and past the opposite, exterior side of the grid.

Abstract: A lithium battery and a method for fabricating the same are provided. The lithium battery includes an anode, a cathode located opposite to the anode, a separator and an electrolyte solution. The separator is located between the anode and the cathode, wherein the anode, the cathode and the separator commonly define a containing region. The electrolyte solution is located in the containing region, and includes an organic solvent, a lithium salt and an additive. The additive includes a maleimide-based compound and a hydroxyl-containing species having a molecular weight less than 1000, and a content of the hydroxyl-containing species in the electrolyte solution ranges between 0.05 wt % and 5 wt %. The lithium battery and the fabrication method thereof can solve problems of water contained in the battery, and an environment with high dryness and low moisture content is unnecessary for fabrication, thereby reducing the production cost and enhancing the battery performance.

Abstract: An electrochemical battery cell having a negative electrode, an electrolyte containing a conductive salt, and a positive electrode, the electrolyte being based on SO2 and the intermediate chamber between the positive electrode and the negative electrode being implemented such that active mass deposited on the negative electrode during the charging of the cell may come into contact with the positive electrode in such manner that locally delimited short-circuit reactions occur on its surface.

Abstract: A perforation tool for a battery enclosure system of a vehicle battery pack, comprising: an engaging tip configured to mechanically breach a thermal-control-agent-retaining enclosure of a traction battery pack including a plurality of interconnected batteries with the enclosure reinforced for mechanical protection of the batteries when installed in an electric vehicle; a port for receiving a thermal-control agent having a pressure in a range of about 5-100 psi; and a housing, coupled to the tip and to the port, wherein the tip includes an aperture and wherein the housing includes a channel communicating the port to the aperture wherein the pressurized thermal-control agent is produced at the tip at about the pressure.

Abstract: An apparatus and method providing for coolant agent ingress of a high energy density battery enclosure during an internal thermal event. A solution includes a specialized battery enclosure and, in some embodiments, an associated vehicle structure providing a normally closed, pressure activated fill port. Preferably the fill port is positioned so an operator of the fill port is clear from any hot gases exiting from the enclosure.

Abstract: Electrochemical cells having a cathode, a zinc anode including a mixture of zinc fibers and zinc powder, and electrolyte are provided. The zinc fiber and zinc powder may have selected physical and compositional attributes. Methods of preparing such electrochemical cells are also provided. Such electrochemical cells may provide improved discharging performance under power-demanding conditions.

Abstract: An electrode mixture paste (5) is applied on both sides of a strip of core material (1) made of porous metal sheet that is running along its lengthwise direction. The paste-coated core material (1) is pressed with press rollers (15a, 15b) alternately from opposite sides once or more, after which the paste-coated core material (1) is passed through the gap between a pair of scraper tools (16a, 16b) to adjust the coating thickness of the paste (5), while the position of the core material (1) is restricted with comb-shaped projections (17a or 17a, 17b), so that, even though the projections (17a, 17b) are distanced from each other sufficiently to allow weld points of the core material (1) to pass through, the coating thickness is precisely regulated.

Abstract: Provided is a pouch-type rechargeable battery. A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case receiving the electrode assembly; an electrolyte solution injection member positioned at one side of the case and forming an injection hole; and a sealing member covering and sealing the injection hole.

Abstract: The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step.

Abstract: An alkaline storage battery including a strip-shaped porous metal substrate and a material mixture filled into the substrate. The substrate has an unfilled portion where the material mixture is not filled along at least one of two longitudinal sides of the substrate. The substrate has a weight per unit area of 150 to 350 g/m2. The material mixture contains an active material and an elastic polymer.

Abstract: An apparatus and method operations are provided for battery plate fabrication, in particular for applying paste to battery plate grids. A conveyer-type pasting machine includes a conveyer belt for moving battery plate grids under a new type of paste dispensing hopper, which includes closely spaced knurled rollers and an angled paste deflector member, which cooperate to generate a pressurized stream of paste for extrusion thru the battery plate grid. The apparatus also includes a specialized grid support sheet that also enables a consistent layer of paste to be applied to both exterior sides of a manufactured battery plate grid by enabling application of paste to one side of the grid and facilitating transmission of the paste through to and past the opposite, exterior side of the grid.

Abstract: An alkaline storage battery including a strip-shaped porous metal substrate and a material mixture filled into the substrate. The substrate has an unfilled portion where the material mixture is not filled along at least one of two longitudinal sides of the substrate. The substrate has a weight per unit area of 150 to 350 g/m2. The material mixture contains an active material and an elastic polymer.

Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.

Abstract: A method of making a battery plate includes mixing particles of tetrabasic lead sulfate with leady oxide to form a paste material. The particles have an average spherical particle diameter of less than 2.5 micrometers. The method also includes providing at least a portion of the paste material on a battery grid curing the battery grid and paste material at a temperature of less than approximately 48 degrees Celsius to produce a battery plate having a cured paste thereon.

Abstract: A method and apparatus for continuously producing pasted positive and negative electrode plates from pasted lead or lead alloy expanded, punched or cast metal mesh strip for use in lead-acid batteries without the use of paper barriers. The heating of cutting devices such as roll-mounted die-cutters to a predetermined temperature range of at least about 150° C., preferably about 160 to 300° C., and more preferably about 180 to 210° C., eliminates sticking of the paste on the pasted metal mesh strip to the cutting devices and obviates the need for the paper barriers.

Abstract: A secondary battery electrode comprises a collector, and an active material layer formed on the collector. Further, the active material layer comprises first active material layer components including an electrode active material, binder and first polar polymer, and second active material layer components including a second polar polymer, and being placed in voids between the first active material layer components. The secondary battery electrode is used in a secondary battery having a gel polymer electrolyte.

Abstract: A plate making process for a lead acid battery which eliminates the need for steaming and curing steps to produce the active material. Mixing, reacting and crystallizing occur in a closed reactor under controlled temperature and mixing conditions to produce a paste having the desired crystal morphology. A polymer is then added to the paste to bind the crystals together and to produce desired rheological properties in the paste. The paste having the polymer addition is then pasted onto a grid where the paste is dried to form a battery plate of the lead acid battery. The process is applicable for both the positive and negative plates of a lead acid battery.

Abstract: Provided for herein is a process of forming a negative battery paste comprising combining a barium containing material at least partially dissolved in a portion of water with an organic expander, carbon black, and a lead oxide containing material to form a first mixture, followed by combining the first mixture with an amount of sulfuric acid to form the negative battery paste.

Abstract: The present invention relates to an electrode for a biplate assembly comprising an active material made from a compressed powder 11, and a non-metal carrier 10. The invention also relates to a biplate assembly 20 comprising electrodes 27, 28 each having a non-metal carrier 10, a method for manufacturing an electrode 13 having a non-metal carrier 10, an apparatus 30 for manufacturing such an electrode 13, and a bipolar battery including at least one such an electrode 13. The non-metal carrier 10 is preferably a non-conductive carrier.

Abstract: A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander and basic lead sulfate crystals with the polymer absorbed on the crystal surfaces. The paste having the polymer addition is then pasted onto a grid where the paste is dried, cured and reacted to form a negative battery plate of the lead acid battery. The negative battery plate comprises a sponge lead negative active mass that exhibits less shrinkage by virtue of the polymer addition.

Abstract: A method is provided for manufacturing a battery 18 having battery electrodes 20 and 22 with a desired porosity, using an electrochemical model 42 and a thermal model 44, that includes determining energy and current requirements for a particular application. Characteristics of the battery 18 in response to said energy and current requirements are determined. The battery characteristics and energy and current requirements are prepared for use in the electrochemical model 42 and the thermal model 44. The porosity of the battery electrodes is determined by solving equations within the electrochemical model 42 and the thermal model 44. Porosity of the battery electrodes is varied until voltage potential across the battery varies by less then a predetermined tolerance factor for an operating range state of charge. A paste mixture is created in response to the desired battery electrode porosity. The paste mixture is applied to a grid followed by curing of the grid and paste.

Abstract: A method for manufacturing an electrode plate for a battery includes the following: the regions on both sides of and close to a portion of an electrode sheet to be cut are each fixed between the cutting edges of a pair of upper and lower cutting dies, i.e., the cutting edges of the adjacent cutting dies are in contact with only the regions on both sides of and close to the portion to be cut; two adjacent pairs of upper and lower cutting dies on both sides of the portion to be cut are moved in opposite directions (upward and downward), and thus the electrode sheet is cut at the portion to be cut, resulting in nickel electrode plates having a width of 50 mm and length of 100 mm. This method can suppress the adhesion of fragments to the electrode plate surface and the generation of burrs, thereby reducing the short-circuit failure between the electrode plates incorporated into a battery.

Abstract: A grid plate for high power lead acid battery having a plate (14) covered with a conductive polymeric matrix (10) of preferably polyaniline and its derivatives, which is then coated with nanoscale particles of active material (14) such as lead sulfate and basic lead sulfate complexes.

Abstract: An apparatus (10) for filling at least one cell of an accumulator (12) with electrolyte is described, having a vacuum pump (14) for evacuating the cell of the accumulator (12), and having a filler device (16) for introducing the electrolyte into a fill opening (32) of a cell, and having a container (18) for receiving the entire accumulator (12), the container (18) communicating with the vacuum pump (14) via a connection stub (20), so that the accumulator (12) can be put in its entirety under a vacuum, and the filler device (16) has at least one delivery line (22) for the electrolyte, which line is extended in vacuum-tight fashion into the container (18). The delivery line (22) on each end has a respective filler head (34) with an outlet stub (36), and the outlet stub (36) engages the inside of the fill opening (32) of a cell with play (FIG. 1).

Abstract: A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander and basic lead sulfate crystals with the polymer absorbed on the crystal surfaces. The paste having the polymer addition is then pasted onto a grid where the paste is dried, cured and reacted to form a negative battery plate of the lead acid battery. The negative battery plate comprises a sponge lead negative active mass that exhibits less shrinkage by virtue of the polymer addition.

Abstract: A method is provided for manufacturing a battery 18 having battery electrodes 20 and 22 with a desired porosity, using an electrochemical model 42 and a thermal model 44, that includes determining energy and current requirements for a particular application. Characteristics of the battery 18 in response to said energy and current requirements are determined. The battery characteristics and energy and current requirements are prepared for use in the electrochemical model 42 and the thermal model 44. The porosity of the battery electrodes is determined by solving equations within the electrochemical model 42 and the thermal model 44. Porosity of the battery electrodes is varied until voltage potential across the battery varies by less then a predetermined tolerance factor for an operating range state of charge. A paste mixture is created in response to the desired battery electrode porosity. The paste mixture is applied to a grid followed by curing of the grid and paste.