Abstract: A lithium garnet material has the formula Li7-wLa3-x(Ax1Bx2Cx3)Zr2-y(Cy1Dy2Ey3)O12, where ?0.2?w?0.2, A is one or a combination of Na+ and K+, B is one or a combination of two or more of Mg2+, Ca2+, Sr2+, and Ba2+, and C is one or a combination of two or more of Y3+, Sc3+, and Ce3+ on the La3+ site, and D is one or a combination of two or more of Si4+, Sn4+, Ti4+, and Ce4+ and E is one or a combination of two or more of Sb5+, Bi5+, Ta5+, and Nb5+ on the Zr4+ site, 0<x<2, 0<y<2, and x1+x2+x3=x and y1+y2+y3=y either satisfy a charge balance mechanism with their respective doping site or satisfy any combination that maintains the charge neutrality of the material.

Abstract: A battery cooling element, a battery module, and a method for manufacturing a battery cooling element. The battery cooling element has a flexible top side in the form of a flexible multilayer composite film. To cool a battery cell and/or a battery module, the heat transfer from the battery cell and/or the battery module into a cooling medium takes place through the comparatively low-cost and lightweight multilayer composite film, which has a high heat transfer coefficient.

Abstract: Such electrochemical unit comprises a first stack of electrochemical cells provided with a first electrical connection tab, a second stack of electrochemical cells provided with a second electrical connection tab, a common connection element, electrically connecting the first electrical connection tab and the second electrical connection tab and suitable for electrically connecting the first electrical connection tab and the second electrical connection tab to a connection terminal with a first polarity. The common connection element is connected by a material bond to the first electrical connection tab and to the second electrical connection tab. Application to electrochemical batteries.

Abstract: The present invention relates to a battery case that can effectively handle side impacts in, for example, an electric vehicle or the like, and thereby minimize battery deformation. The battery case comprises: a case body for accommodating a battery cell; and a cover coupled to the case body. The case body includes: a bottom plate; a side frame coupled to the bottom plate so as to surround the battery cell and including an inner wall and an outer wall; a mounting frame coupled to the outer wall of the side frame; and at least one reinforcement material which is disposed on the bottom plate and of which both ends in the longitudinal direction are inserted into the side frame. The ends of the reinforcement material can pass through the inner wall and the outer wall of the side frame and come into contact with the mounting frame.

Abstract: The present application provides a separator and a preparation method thereof, a secondary battery, and a device. The separator includes a microporous layer; the microporous layer includes an alkali metal-containing polymer, the alkali metal-containing polymer includes a polymer chain, and the polymer chain includes a first group and a second group; (a) the first group is selected from an organic acid alkali metal group, an alcohol alkali metal group, or a combination thereof; (b) the second group is selected from an organic acid group; an alkali metal content in the first group is 50-100 ppm based on a total mass of the separator; and a hydrogen content in the second group is 10-50 ppm based on the total mass of the separator.

Abstract: A lipolysis device that includes: a base material having a first surface and a second surface opposite the first surface; a glycerol introduction portion on the first surface of the base material, the glycerol introduction portion having a protrusion containing a lipolytic enzyme or a peptide compound having equivalent activity to that of the lipolytic enzyme; and a glycerol oxidation portion on the second surface of the base material, the glycerol oxidation portion containing glycerol oxidase that oxidizes glycerol introduced from the glycerol introduction portion.

Abstract: Epoxide functionalized organic compounds and an electrolyte containing the epoxide functionalized organic compound additive suitable for use in electrochemical energy storage devices useful for reducing battery resistance, increasing cycle life, and improving high-temperature performance are disclosed.

Abstract: Provided is a nonaqueous electrolyte secondary battery functional layer that has an improved cycle characteristic when an electrode with a great change in volume is used. A nonaqueous electrolyte secondary battery functional layer in accordance with an embodiment of the disclosure is configured such that an area ratio of pores each having a cross-sectional area of not less than 0.1 ?m2 is not less than 30% by area with respect to all pores present in a cross section of the nonaqueous electrolyte secondary battery functional layer.

Abstract: An electrode assembly includes an electrode stack formed by alternately stacking an electrode and a separator, and an outer tape attached to an outer surface of the electrode stack. The outer tape is attached to the electrode stack to surround a side surface thereof, and a through-hole is formed in a first region of the outer tape which is present at a position corresponding to the side surface of the electrode stack.

Abstract: An electrolyte hydrogel for an electrochemical cell includes a self standing polymer network with a crosslinked, non-ionic polymer and a cationic polymer and a salt in an aqueous solvent and/or dispersant.

Abstract: Described herein is a process for making an electrode active material according to general formula Li1+(TM1-yM1y)1-xO2, where TM includes a combination of Ni and at least one of Co, Mn and Al, M1 is selected from the group consisting of Nb, Ta, and at least one of Co, Mn and Al, y is in a range of from 0.001 to less than 0.01, and x is in a range of from zero to 0.2, said process including the following steps: (a) mixing (A) a mixed oxide or (oxy)hydroxide of Mn, Co and Ni, and (B) at least one lithium compound selected from the group consisting of lithium hydroxide, lithium oxide and lithium carbonate, and (C) an amorphous compound of Nb or Ta, and (b) subjecting said mixture to heat treatment, where at least 60 mole-% of a transition metal of TM is Ni.

Abstract: A block copolymer containing one or more segments containing an ionic group (hereinafter referred to as an “ionic segment(s)”) and one or more segments containing no ionic group (hereinafter referred to as a “nonionic segment(s)”), wherein at least one of the ionic segment or the nonionic segment contains: constituent units composed of an aromatic hydrocarbon polymer (hereinafter referred to as a “constituent unit”); and a first linker that links the constituent units with each other. A block copolymer and a polymer electrolyte material produced using the block copolymer are made feasible, in which the block copolymer can achieve high proton conductivity under low-humidity conditions, excellent mechanical strength and chemical stability, and enhanced in-process capability.

Abstract: A battery system includes a plurality of battery cells and a battery system enclosure surrounded by an external environment. The battery system enclosure is configured to house the plurality of battery cells and includes an enclosure tray configured to support the plurality of battery cells and an enclosure cover configured to engage the enclosure tray and seal the battery system enclosure. The battery system also includes an exhaust manifold arranged between the plurality of battery cells and the enclosure cover. The exhaust manifold includes multiple individual gas paths in fluid communication with an exhaust outlet. The gas paths are configured to collect high-temperature gases from each of the plurality of battery cells and guide the high-temperature gases from each of the plurality of battery cells to the exhaust outlet. The exhaust outlet is configured to discharge the high-temperature gases distally from the plurality of battery cells.

Abstract: A secondary battery according to one or more embodiments of the present disclosure includes a case for accommodating an electrode assembly in an internal accommodating space, a cap plate, a first terminal inserted into the cap plate in a first direction, and bent at an inner surface of the cap plate to be coupled to the cap plate, and a collector plate in the case, electrically connected to a first electrode of the electrode assembly, and coupled to the first terminal in the first direction.

Abstract: A system for determining a set temperature of molten metal in a pouring facility includes a temperature sensor configured to detect a molten metal temperature at a nozzle tip of a ladle during pouring processing, and a control unit configured to acquire temperature transition obtained by plotting the molten metal temperature for each mold in each of the pouring processing, wherein the control unit determines the upper limit temperature to cause a percentage of the number of optimum temperature transitions included in a plurality of acquired temperature transitions in the number of the plurality of acquired temperature transitions to become a predetermined percentage, and determines a temperature obtained by adding a drop temperature that is a temperature dropped during conveyance processing and the determined upper limit temperature, as the set temperature.

Abstract: Embodiments include a method for creating a battery pack for a vehicle. Aspects include receiving a plurality of battery cells, measuring an internal resistance level for each of the plurality of battery cells, and creating, based at least in part on the internal resistance level for each of the plurality of battery cells, a plurality of groups from the plurality of battery cells. Aspects also include connecting each of the plurality of battery cells in each of the plurality of groups in parallel and connecting each of the plurality of groups in series.

Abstract: A power storage device is constituted by a laminate including, in the stated order, at least a substrate layer, a barrier layer, and an inside layer. The inside layer is provided with an adhesive layer and a heat-sealing resin layer from the barrier layer side; and if dynamic viscoelasticity is measured by tension with respect to the inside layer, the growth rate at 80° C. is 8.0% or lower.

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

Abstract: In a battery, a terminal member includes: a columnar portion; a head portion, outside an outer casing, having a larger diameter than a through hole of a lid; and an umbrella-shaped portion, more inside than a current collecting member, having a larger diameter than a through hole of the current collecting member to closely contact an inside surface thereof. A gasket includes: a plate-shaped portion between the lid and the head portion; and a cylindrical portion between a wall surface of the through hole of the lid and the columnar portion. An insulator includes: a plate-shaped portion between the lid and the current collecting member; and a cylindrical portion between the wall surface of the through hole of the lid and the columnar portion. Leading ends of the cylindrical portions close contact each other between the wall surface of the through hole of the lid and the columnar portion.

Abstract: A battery pack includes: a battery core; a bottom plate, where the bottom plate is disposed under the battery core to support the battery core; a top plate, where the top plate is disposed above the battery core; a mounting beam, where the mounting beam includes a main beam portion and a bottom beam portion, the main beam portion is located between the bottom plate and the top plate, and the bottom beam portion is connected to a lower surface of the main beam portion and disposed under the bottom plate; and a connection assembly, where the connection assembly is configured for mounting the battery pack to a mounting point, and the connection assembly couples with the mounting beam to provide the mounting beam an upward acting force when the battery pack is mounted to the mounting point.