Abstract: The invention provides a coating process for electrical steel sheet using a varnish composition, comprising the steps of a) applying at least one coating layer of a varnish composition onto the surface of the electrical steel sheet wherein the varnish composition comprises (A) 1 to 95 wt % of at least one resin comprising nucleophilic groups selected from the group consisting of OH, NHR, SH, carboxylate and CH-acidic groups, and electrophilic groups which can react with the above mentioned nucleophilic groups, wherein the resin is capable of transacylation in its main chain and/or side chain(s), (B) 5 to 75 wt % of at least one organic solvent and/or water, (C) 0 to 40 wt % of at least one resin different from (A), (D) 0 to 10 wt % of at least one customary additive, (E) 0 to 40 wt % of at least one pigment, filler and/or nano-scaled particle and/or monomeric and/or polymeric element-organic compound, wherein the wt % based on the total weight of the varnish composition.

Abstract: A cured product that is reduced in warping and has high hardness can be obtained from an active energy ray-curable resin composition which uses a methacrylic acid ester polymer that has an acid value of 50 mg KOH/g or less and a transition metal content of 1 ppm or less, while containing 80% by mole or more of a polymer that has a double bond-terminated structure represented by formula (1). (In formula (1), R represents an alkyl group, a cycloalkyl group or an aryl group.

Abstract: A method for the manufacture of a transparent, scratch resistant film, comprising: (1) cleaning a surface of a flexible substrate; (2) altering the surface energy of the surface of the flexible substrate; (3) coating the surface of the flexible substrate with a transparent, scratch resistant coating comprising functionalized group monomers and a solvent; (4) wetting the transparent, scratch resistant coating; and (5) forming a cross-linked polymer structure by curing the transparent, scratch resistant coating.

Abstract: Provided are a method for splitting longitudinally an end part of a metal plate or a metal rod having a rectangular, polygonal, or elliptical shape, in which the length of incision in the split portion can be freely adjusted and smooth split face can be formed; a metal part manufactured by such method; and a method for bonding such metal part.

Abstract: The invention relates to a method for producing a compact component (10) comprising a shell (12) and optionally a grid structure (14) situated inside the shell (12) which are made of a shell material, and a core structure (16) that fills an interior of the shell (12) and is made of a core material. The invention further relates to a corresponding compact component that can be produced by means of the method.

Abstract: Provided is a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures as well as fine spangles, and a method of manufacturing the same. According to the present invention, a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures includes a base steel sheet, a composite layer formed on the base steel sheet and including transition metal, an inhibition layer formed on the composite layer and including a iron-aluminum (Fe—Al) based intermetallic compound, and a zinc (Zn)-plated layer formed on the inhibition layer, in which an average diameter of spangles in the zinc-plated layer is 150 ?m or less, and a method of manufacturing the hot-dip galvanized steel sheet is provided.

Abstract: A hot-dip galvannealed steel sheet has excellent chipping resistance and after-coating adherence while ensuring corrosion resistance. The hot-dip galvannealed steel sheet has a base material steel sheet having a predetermined component composition and a hot-dip galvannealing layer containing by mass 7-15% Fe provided on the base material steel sheet surface, wherein the hot-dip galvannealed steel sheet contains within the hot-dip galvannealing layer at least 0.01% by mass of a precipitate including one or more elements selected from the group consisting of Ti, Nb, V, Mo, and W.

Abstract: A method for coating a steel sheet with a metal layer includes the following steps: application of a first thin metal layer as a flash coating; melting the metal layer from the flash coating; and application of at least one additional metal layer onto the metal layer from the flash coating. To increase the corrosion resistance of the coated steel sheet and to improve the energy and resource efficiency of the coating method, with which a steel sheet having a high corrosion resistance and good weldability and with a good deep drawing and ironing behavior is to be produced, the thickness of the metal layer from the flash coating is at most 200 mg/m2 and the metal layer from the flash coating is melted with electromagnetic radiation of high energy density.

Abstract: The present disclosure relates generally to welding alloys and, more specifically, to welding consumables (e.g., welding wires and rods) for arc welding operations. In an embodiment, a welding consumable includes less than approximately 1 wt % manganese as well as one or more strengthening agents selected from the group: nickel, cobalt, copper, carbon, molybdenum, chromium, vanadium, silicon, and boron. The welding consumable also includes one or more grain control agents selected from the group: niobium, tantalum, titanium, zirconium, and boron, wherein the welding consumable includes less than approximately 0.6 wt % grain control agents. Additionally, the welding consumable has a carbon equivalence (CE) value that is less than approximately 0.23. The welding consumable is designed to provide a manganese fume generation rate that is less than approximately 0.01 grams per minute during a welding operation.

Abstract: A method for producing a chemically modified metal surface or metal alloy surface or metal oxide layer or metal alloy oxide layer on the surface of a workpiece, which surface or layer includes surface structures having dimensions in the sub-micrometer range. The method involves scanning, one or several times using a pulsed laser beam, the entire surface of the metal or metal alloy, or the metal oxide layer or metal alloy oxide layer on the metal or metal alloy, on which surface or layer the structures are to be produced and which is accessible to laser radiation. The scanning is performed in an atmosphere containing a gas or gas mixture that reacts with the surface, such that adjacent flecks of light of the laser beam adjoin each other without an interspace in between or overlap and a predetermined range of a defined relation between process parameters is satisfied.

Abstract: A drier for air-drying an auto-oxidizable resin composition, said drier comprising: 1,4,7-trialkyl-1,4,7-triazacyclononane (L); a manganese salt having the general formula Mn2+[X]n, wherein anion X is selected from PF6?, SbF6?, AsF6?, BF4?, B(C6F5)4?, CI?, Br?, I?, NO3, or R2COO? in which case n=2, or the anion X is SO42? in which case n=1, and wherein R2 is C1-C20 alkyl optionally substituted with heteroatoms, C6-C20) aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of Mn:L is at least 1.25:1 and preferably at least 1.5:1.

Abstract: Disclosed is a composition for ferroelectric thin film formation which is used in the formation of a ferroelectric thin film of one material selected from the group consisting of PLZT, PZT, and PT. The composition for ferroelectric thin film formation is a liquid composition for the formation of a thin film of a mixed composite metal oxide formed of a mixture of a composite metal oxide (A) represented by general formula (1): (PbxLay)(ZrzTi(1-z))O3 [wherein 0.9<x<1.3, 0?y<0.1, and 0?z<0.9 are satisfied] with a composite oxide (B) or a carboxylic acid (B) represented by general formula (2): CnH2n+1COOH [wherein 3?n?7 is satisfied]. The composite oxide (B) contains one or at least two elements selected from the group consisting of P (phosphorus), Si, Ce, and Bi and one or at least two elements selected from the group consisting of Sn, Sm, Nd, and Y (yttrium).

Abstract: To provide a CxNyHz film of high density and a deposition method. One aspect of the present invention is a CxNyHz film formed on a substrate to be deposited, wherein x, y and z satisfy formulae (1) to (4) below: 0.4<x<0.7??(1) 0.01<y<0.5??(2) 0?z<0.3??(3) x+y+z=1.

Abstract: A battery pack includes: a battery cell; a first printed circuit board (PCB) including a temperature safety device electrically connected with the battery cell; and a second PCB electrically connected with the first PCB and controlling charging and discharging operation, wherein the first PCB includes a lead tab electrically connected with the temperature safety device, and a base substrate bound with the lead tab by soldering to support the same. The first PCB including the temperature safety device electrically connected with the battery cell and that is arranged on a charging/discharging path of the battery cell may be manufactured through a simplified process.

Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which an uncoated margin section having a predetermined length is provided downward from an outer circumference of an upper end of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.

Abstract: A battery pack (10; 110) for a power tool includes a housing (18) made of a rigid material. The housing contains a cooling air passage (54), which is in gaseous communication with the outside environment, and at least one isolated space (52). At least one isolating wall (44) is disposed inside the housing so as to physically separate and isolate the cooling air passage from the at least one isolated space. A plurality of battery cells (32) is disposed within the housing such that an end portion (32a) thereof is disposed within the at least one isolated space and an intermediate portion (32b) thereof is disposed adjacent the cooling air passage. First portions (78) of the at least one isolating wall respectively contact the plurality of battery cells and are comprised of a material that is more flexible and/or elastic than the rigid material of the housing (18).

Abstract: The present application relates to a fuel cell system and a method for driving same, which can produce stable electricity, enhance load following capability, and simultaneously increasing fuel utilization rate and energy efficiency by separately managing a base load and a load following of a fuel cell, and the fuel cell system according to one embodiment of the present application comprises: a molten carbonate fuel cell for generating electricity by using fuel; a reaction gas for shifting discharge gas into water gas; a buffer tank for storing the water gas; and a driving device which is actuated by using the water gas that is stored and provided from the buffer tank.

Abstract: A cooling system includes a fluid delivery system configured to bring a working liquid (such as water) into thermal contact with a battery where it vaporizes into an exhaust gas, and an exhaust system configured to vent the exhaust gas.

Abstract: A battery (100) has first accumulator cells (111 . . . 114) connected in series to form at least one cell string (110), and second accumulator cells (121 . . . 124) are arranged so that cells can be connected in parallel to individual cells of the first accumulator cells (111 . . . 114) by switching elements (131 . . . 133?, 134, 134?). To compensate the charge between the cells, the switching elements (131 . . . 133?, 134, 134?) can establish two-way connections (A, B) between the first and second accumulator cells. Each second accumulator cell (121) can be connected in parallel alternately either to a first accumulator cell (111) within the cell string (110) or to another adjacent first accumulator cell (112). The switching elements (131 . . .

Abstract: The invention relates to an article comprising: a) one or more stacks of battery plates comprising one or more bipolar plates; b) located between each plate is a separator and a liquid electrolyte; further comprising one of more of the features: 1) c) the one or more stacks of battery plates having a plurality of channels passing transversely though the portion of the plates having the cathode and/or the anode deposited thereon; and d) i) one or more seals about the periphery of the channels which prevent the leakage of the liquid electrolyte into the channels, and/or posts located in one or more of the channels having on each end an overlapping portion that covers the channel and sealing surface on the outside of the monopolar plates adjacent to the holes for the transverse channels and applies pressure on the sealing surface of the monopolar plates wherein the pressure is sufficient to withstand pressures created during assembly and operation of electrochemical cells created by the stacks of battery plates;

Abstract: A plating layer 4 is formed on a surface of a battery cover 3, and a peripheral edge part 37b of a cover case 37 is arranged on an upper surface of the plating layer 4. A welding part 40 is formed at a tip part of the peripheral edge part 37b. The welding part 40 includes a melted part 41 in which the tip of the peripheral edge part 37b is melted, and an elution part 42 flowing from the tip onto the plating layer 4, and the melted part 41 and the elution part 42 are welded to the plating layer 4 in the upper surface of the plating layer 4.

Abstract: A rechargeable battery includes a case having an inner space, a first electrode assembly inside the case, a second electrode assembly inside the case, a current collecting member including a first current collecting piece electrically connected to an electrode of the first electrode assembly and a second current collecting piece electrically connected to an electrode of the second electrode assembly, the electrode of the second electrode assembly having a same polarity as the electrode of the first electrode assembly, a first terminal electrically connected to the first current collecting member and protruding outside the case, wherein the first current collecting piece and the second current collecting piece have different lengths.

Abstract: When connecting a plurality of cells in parallel, an operation to calculate an inrush current flowing when a pair of cells are selected from the cells for the parallel-connection and parallel-connected for all cell combinations. A cell combination, whose inrush current is the largest in the cell combinations which are judged that the calculated inrush current is less than or equal to a predetermined upper limit current value, is set as a cell combination to parallel-connect the cells.

Abstract: A plate-like battery pack has: a plurality of single cell elements; a flat battery pack case composed of an insulating material and adapted to have a plurality of holes respectively housing the single cell elements; and a plurality of sealing plates adapted to hermetically seal the holes housing the single cell elements and connect adjacent ones of the single cell elements, and the sealing plates connect the single cell elements in series, parallel or series-parallel.

Abstract: A secondary battery includes an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the electrode assembly within the case; a terminal plate on the cap plate and electrically connected to the electrode assembly; and an insulation member between and contacting the cap plate and the terminal plate, wherein the insulation member has a peripheral flange that extends away from the terminal plate.

Abstract: A wet battery package includes a casing defining a receiving space, an electrically insulating liquid received in the receiving space, a battery unit installed in the receiving space, and an electrical power control unit installed in the receiving space and electrically coupled to the batteries. The battery unit includes a plurality of spaced-apart batteries at least a portion of each of which is immersed in the electrically insulating liquid. The electrical power control unit includes two output terminals that are exposed from the casing and that output electricity of the batteries.

Abstract: The present disclosure is directed at a cell carrier, a stack that includes multiple cell carriers, and a method for assembling the stack. The cell carrier has a rigid backing and bus bar supports that are rigidly mounted to the rigid backing. The bus bar supports have sockets positioned to receive fasteners for securing bus bars to the bus bar supports. A battery cell that has electrodes in the form of pliable tabs can be secured to the cell carrier by, for example, adhering the cell body to the rigid backing. The cell tabs are secured between the bus bars and the bus bar supports when bus bars are fastened to the bus bar supports, and the rigidly mounted supports help prevent relative motion between the cell body and tabs. This helps prevent the cell tabs from ripping or tearing when the battery cell is subjected to vibrations during use.

Abstract: A method for making available information for the purpose of performing maintenance and servicing of a battery unit includes detecting and quantizing useful data of a battery unit and forming histograms which have frequencies of the occurrence of specific values of the individual quantized useful data items or values derived therefrom. In this context there is provision that at least one current and at least one aggregated histogram are formed and stored in a non-volatile memory. Furthermore, a data structure, a computer program, and a battery management system are specified which are configured to execute the method, as well as a battery and a motor vehicle whose drive system is connected to a battery of this type.

Abstract: A method for providing information for maintenance and service purposes for a battery unit includes capturing and quantizing use data for a battery unit and forming a histogram that has frequency values for the occurrence of particular values of the individual quantized use data items or values derived therefrom. At least one additional information carrier is ascertained that is set up to reconstruct the histogram, and the histogram and the at least one additional information carrier are stored in a nonvolatile memory. Furthermore, a data structure, a computer program and a battery management system are specified that are set up to perform the method, and also a battery and a motor vehicle, the drive system of which is connected to such a battery.

Abstract: A battery system includes a plurality of battery cells and a battery management unit. The battery management unit comprises a plurality of acquisition devices and a plurality of monitoring devices. Each of the acquisition devices is configured to acquire at least one operating parameter of the battery cells associated therewith. Each of the monitoring devices is associated with a plurality of battery cells, and each of the monitoring devices is configured to monitor the operating parameter of the battery cells associated therewith. The battery cells, which are each associated with one of the monitoring devices, are associated with at least two acquisition devices.

Abstract: A cylindrical battery includes a cylindrical battery case and a cylindrical element including a positive electrode, a negative electrode, and a separator. A space is formed on an inner side of the element. The positive electrode or the negative electrode is split into a plurality of electrode pieces in a circumferential direction.

Abstract: An electrochemical cell is presented. The electrochemical cell includes an ion-conducting separator having a first surface that defines at least a portion of a first compartment and a second surface that defines at least a portion of a second compartment, and a positive electrode composition disposed in the first compartment, the positive electrode composition comprising an electroactive metal, an alkali metal halide, and an electrolyte. The electroactive metal includes metal flakes of an average aspect ratio greater than about 5. An energy storage battery including a plurality of electrochemical cells is also presented.

Abstract: The purpose of the present invention is to provide a redox flow secondary battery which has low electrical resistance and excellent current efficiency in addition to durability. The present invention relates to: an electrolyte membrane for redox flow secondary batteries, which contains an ion exchange resin composition containing a fluorine-based polymer electrolyte; and a redox flow secondary battery which uses the electrolyte membrane for redox flow secondary batteries.

Abstract: Systems and methods for shunt current and mechanical loss mitigation in electrochemical systems include a conduit providing at least a portion of an electrically conductive pathway between the first and second electrochemical cells, wherein the conduit includes at least one shunt current suppression device configured as a loop, and/or a connector assembly for maintaining first and second connecting portions in adjacent positioning.

Abstract: A thermally managed Li-ion battery assembly including an anode and a cathode, wherein at least one of the anode and the cathode includes a thermocrystal metamaterial structure.

Abstract: A battery pack is provided, which includes a battery cell including an electrode assembly, an electrode terminal electrically connected to the electrode assembly, and a case accommodating the electrode assembly, and a protective circuit module including a first connection lead having one side electrically connected to the electrode terminal, a first connection part having the other side electrically connected to the first connection lead, and a second connection lead electrically connected to the case, wherein an area of the first connection part is larger than that of the other side of the first connection lead.

Abstract: A battery module includes a first battery cell, the first battery cell having a first electrode terminal and a second electrode terminal, a first end block adjacent to the first battery cell, the first end block having a first power terminal portion, and a connection portion electrically connecting the first electrode terminal to the first power terminal portion.

Abstract: A bus bar module includes: a plurality of bus bar cases each housing a bus bar; a first engagement portion provided to one of the plurality of bus bar cases; a first connecting member having flexibility and connecting the plurality of bus bar cases; a plurality of insulating covers covering openings of the plurality of bus bar cases, the insulating covers including a second engagement portion to be engaged with the first engagement portion; a second connecting member having flexibility and connecting the plurality of insulating covers; and a pair of ribs provided to extend downward from an inner surface of each of the insulating covers located adjacent to each other.

Abstract: The present invention provides a positive electrode for a nonaqueous electrolyte secondary battery in which after continuous charge is performed, an increase in battery thickness is suppressed, and a residual capacity rate is increased by reduction in gas generation amount and also provides a method for manufacturing the positive electrode described above. This positive electrode includes a positive electrode collector and a positive electrode active material layer which contains a positive electrode active material and a phosphate salt represented by NaH2PO4 and which is formed on a surface of the positive electrode collector. In addition, on a surface of the positive electrode active material layer, a porous layer containing an inorganic oxide filler is preferably formed.

Abstract: In a method for manufacturing a packed electrode, an electrode is set between two separation layers that are made of resin, a heat-resistant layer is set between at least one of the two separation layers and the electrode, the two separation layers, the electrode and the heat-resistant layer, an overlapped portion of the two separation layers overlapped with the heat-resistant layer interposed therebetween is pinched, pressed and heated by a pair of heat sealing chips at an outside of the electrode, and the two separation layers are fastened by destroying the heat-resistant layer at the overlapped portion that are pressed and heated. According to the above manufacturing method, man-hours required for stacking can be reduced by integrating the heat-resistant layer with the packed electrode.

Abstract: Provided is a method for reproducibly and efficiently producing a polyolefin porous film having a porous structure suitable for a separator for a battery without requiring a special apparatus. The method according to the present invention is a method for producing a polyolefin porous film, the method including conveying a raw material polyolefin sheet having pores into a furnace of a tenter type stretching machine, and tenter-stretching the sheet in a plurality of stretching regions in the furnace to produce a polyolefin porous film, wherein the plurality of stretching regions include at least two stretching regions having different film widening speeds, and the temperature of a stretching region having a high film widening speed is lower than that of a stretching region having a low film widening speed in the at least two stretching regions, and a stretching region having the highest film widening speed is situated in the front stage with respect to a stretching region having the lowest film widening speed.

Abstract: A battery separator includes a porous membrane A with a thickness of less than 10 ?m including a polypropylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies a specific range of thickness, average pore size, and porosity, and the entire battery separator satisfies a specific range of thickness, peeling strength at the interface between the porous membrane A and the porous membrane B, and difference in air resistance between the entire battery separator and the porous membrane A.

Abstract: Disclosed are a method of manufacturing an electrode for secondary batteries that includes surface-treating a current collector so as to have a morphology wherein a surface roughness Ra of 0.001 ?m to 10 ?m is formed over the entire surface thereof to enhance adhesion between an electrode active material and the current collector and an electrode for secondary batteries that is manufactured using the method.

Abstract: Disclosed are a method of manufacturing an electrode for secondary batteries that includes surface-treating a current collector so as to have a morphology wherein a surface roughness Ra of 0.001 ?m to 10 ?m is formed over the entire surface thereof, wherein the surface-treating is performed by chemical or electrical etching using a wet method or by reactive gas or ion etching using a dry method to enhance adhesion between an electrode active material and the current collector and an electrode for secondary batteries that is manufactured using the method.

Abstract: Apparatus and techniques herein related battery plates. For example, a first battery plate can include a conductive silicon wafer. A first mechanical support can be located on a first side of the conductive silicon wafer. A first active material can be adhered to the first mechanical support and the first side of the conductive silicon wafer, the first active material having a first polarity. In an example, the battery plate can be a bipolar plate, such as having a second mechanical support located on a second side of the conductive silicon wafer opposite the first side, and a second active material adhered to the second mechanical support and the second side of the conductive silicon wafer, the second material having an opposite second polarity.

Abstract: A method for forming a negative electrode for a lithium secondary battery, includes providing a paste comprising graphite particulates comprise assembled or bound graphite particles in each of which a plurality of flat-shaped particles are assembled or bound together so that the planes of orientation are not parallel to one another, and the mixture including 3 to 10 parts by weight of the organic binder per 100 parts by weight of the graphite particulates, a binder and a solvent, coating the paste on a current collector, drying the paste coated on the current collector to form a mixture of the graphite particulates and the binder, and integrating the mixture with the current collector by pressing to provide a density of the mixture of graphite particulates and organic binder of 1.5 to 1.9 g/cm3.

Abstract: In an alkaline battery in which a positive electrode 2 containing manganese dioxide, a negative electrode 3, and a separator 4 interposed therebetween are housed in a closed-end cylindrical battery case 1 whose opening is sealed with a gasket 5, a half-width of a 110 plane peak of the manganese dioxide measured by a powder X-ray diffraction analysis is in the range of 1.80-2.40 degrees, and anatase titanium dioxide is contained in the positive electrode such that a ratio of anatase titanium dioxide to the positive electrode is in the range of 0.10-1.50 mass %.

Abstract: A battery module comprises a battery element and a storage unit configured to contain the battery element therein. The storage unit comprises an electrically conductive positive electrode-side plate and an electrically conductive negative electrode-side plate. The positive electrode-side plate and the negative electrode-side plate define a storage space to contain the battery element therein. The storage unit has a joint end provided on the periphery of the storage space and formed by joining an outer peripheral area of the positive electrode-side plate with an outer peripheral areal of the negative electrode-side plate across an insulating sheet placed between the two outer peripheral areas. The joint end comprises: a wind part formed by stacking and winding the two outer peripheral areas to be pressure-bonded to and joined with each other; and an outer peripheral frame body formed by insert molding using an insulating resin to surround the wind part.

Abstract: In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene.

Abstract: The present disclosure relates to a magnesium hybrid battery and a method for fabricating same. The magnesium hybrid battery according to the present disclosure, which includes magnesium or magnesium alloy metal as an anode, a cathode including a cathode active material wherein not only magnesium ion but also one or more ion selected from lithium ion and sodium ion can be intercalated and deintercalated and an electrolyte including magnesium ion and further including one or more ion selected from lithium ion and sodium, can overcome the limitation of the existing magnesium secondary battery and provide improved battery capacity, output characteristics, cycle life, safety, etc.