Abstract: An electrode for lithium secondary battery and a method of manufacturing the same are disclosed. The electrode for lithium secondary battery comprised of an electric collector formed of a metal and a slurry coated on a portion of the electric collector includes a coated part including the portion of the electric collector, on which the slurry is coated, and the slurry, and an uncoated part including a remaining portion of the electric collector on which the slurry is not coated. The uncoated part includes a first uncoated part extended from the coated part and a second uncoated part extended from the first uncoated part and including a tab connection portion coupled to an electrode tab. A tensile strength of the first uncoated part is greater than a tensile strength of the tab connection portion.

Abstract: Provided is a secondary battery comprising: an electrode assembly; a battery case which accommodates the electrode assembly; a first electrolyte which is accommodated in the battery case and primarily impregnates the electrode assembly; and a reinforcement electrolyte member which comprises a packaging material and a second electrolyte, wherein the packaging material is accommodated in the battery case and provided with an oxidation part which is oxidized and decomposed at a set voltage, and the second electrolyte is stored in the packaging material, released to the outside of the packaging material due to the decomposition of the oxidation part, and secondarily impregnates the electrode assembly.

Abstract: Electrodes for a solid-state lithium-ion battery are provided. The electrodes have an active material layer containing or coated with electrolytes of lithium phosphate derivative compounds which contain an anionic framework capable of conducting lithium ions. Materials of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown. Lithium batteries containing the electrodes are also provided.

Abstract: A negative active material for a rechargeable lithium battery includes a secondary particle in which a plurality of natural graphite primary particles are agglomerated, the plurality of primary particles including natural graphite, and the secondary particle including pores, and an amorphous carbon positioned in the pores, wherein an area of the amorphous carbon is about 10% to about 30% based on a total area of 100% of the negative active material, in a cross-section of the negative active material.

Abstract: Provided is a layered double hydroxide (LDH) separator including a porous substrate made of a polymeric material, and LDH with which pores of the porous substrate are plugged. The LDH separator has a plurality of remaining flattened pores, longitudinal directions of the pores being non-parallel to a thickness direction of the LDH separator.

Abstract: A method of producing a lithium-ion battery includes filling at least one cell of the battery with an electrolyte followed directly with a first step of sealing the at least one cell and a second step of applying pulsating compression to the at least one cell during formation charging, the pulsating compression comprising alternating a first time period of applying a first compression force F1 greater than zero and a second time period of applying a second compression force F2, wherein F1>F2, and the formation charging includes a first charge of the battery.

Abstract: A steam concentration energy converter has an array or series of Membrane Electrode Assembly (MEA) cells electrically connected in series. The array of MEA cells is configured as a separator between a high water vapor partial pressure region and a low water vapor partial pressure region. A housing may be utilized to separate the high water vapor partial pressure region from the low water vapor partial pressure region. The array of MEA cells are electrically coupled to a load/controller through an electrical conduit. Each MEA cell has electrodes separated from each other by an ion conductive membrane, which is preferably a proton conductive membrane. The electrodes are electrically coupled to electrical conduit.

Abstract: Provided are a battery cell having a plurality of electrodes and a battery module using the same. In order to configure the battery module only by connections of the electrodes without including a separate bus bar and improve the degree of freedom of the connections, the battery cell having cathode terminals and anode terminals protruding to the outside includes: a plurality of electrode terminals selected from the cathode terminals or the anode terminals and formed on both sides of the battery cell opposing each other. The battery cell having the plurality of electrodes and the battery module formed in various forms according to a layout of a vehicle using the same may be configured.

Abstract: A circuit module may include a circuit board and an overmold. The circuit board may have a first surface from which an electronic component extends and a second surface opposite the first surface. The circuit board may be characterized by a width across the circuit board. The circuit board may include a tie-bar residual extending from a sidewall of the circuit board beyond the width across the circuit board. The overmold may at least partially encapsulate the first surface of the circuit board and the second surface of the circuit board. The overmold may extend laterally beyond the width of the circuit board along a length of the circuit board. The overmold may define a region about the tie-bar residual characterized by a first recessed height with respect to the first surface and a second recessed height with respect to the second surface. The overmold may define a notch within the region recessed from an outer edge of the overmold.

Abstract: A lithium ion secondary battery system includes a chamber to accommodate a lithium ion secondary battery, a charging/discharging device for electrically charging and discharging the lithium ion secondary battery, a pressure plate disposed in the chamber and configured to press the lithium ion secondary battery when the lithium ion secondary battery is electrically charged, a pointed portion disposed in the chamber and configured to bore a hole in a pouch of the lithium ion secondary battery to enable gas generated during the electrical charging of the lithium ion secondary battery to be removed from the pouch, and a sealer configured to seal the pouch after the gas is removed.

Abstract: A fuel cell separator which is obtained by molding a composition that contains a carbonaceous material and a resin, and which is provided with a sealing part and a groove that serves as a gas flow channel on one surface or both surfaces. This fuel cell separator is configured such that the arithmetic mean heights Sa of the surface of the sealing part and the bottom surface and the peak of the groove on at least one surface are 0.50-1.60 ?m and the profile peak heights Spk thereof are 1.50 ?m or less as determined in accordance with ISO 25178-2 (2012). Consequently, this fuel cell separator has good hydrophilicity and good adhesion to a gasket.

Abstract: A multi-phase electrolyte film includes a first phase comprising a metal oxide, wherein the metal oxide is amorphous, crystalline, or a glass; and a second phase comprising a lithium salt having a decomposition temperature in air of greater than 200° C. or a lithium halide. The first phase is dispersed in the second phase and has an average particle size of 5 to 200 nanometers. Methods for the manufacture of the electrolyte film are also disclosed.

Abstract: A portable power device may comprise a housing configured to contain an internal power supply and an attachment strap releasably connected to the housing for securing the device to an object or with space. The housing may comprise a top portion connected to a bottom portion by at least one hinge, and a gasket may be disposed between the top portion and the bottom portion to inhibit moisture from entering the housing. At least one clasp may be disposed on a side of the housing opposite the at least one hinge, the at least one clasp being configured to maintain the housing in a closed position without the use of tools. An attachment bracket may be provided that is releasably connected to the housing.

Abstract: A fuel cell system includes a first fluid flow plate including a first plurality of first channels for flow of an oxidant or a fuel. The plurality of first channel has first channel cross-sectional flow areas. A second fluid flow plate includes a second plurality of second channels for flow of an oxidant or a fuel. The plurality of second channels has second channel cross-sectional flow areas. A membrane electrode assembly is located between the first plate and the second plate. The first flow plate includes a passage for a flow of a fluid entirely on a seam side of the first flow plate as the first plurality of first channels. The passage has a cross-sectional area for flow of the fluid smaller than the first channel cross-sectional flow area.

Abstract: A cell assembly group is provided, comprising: a plurality of cell assemblies, each cell assembly including an electrochemical cell and an outer wrap surrounding the cell; a foam sheet positioned adjacent one side of one cell assembly; a plurality of heat plates, each heat plate being positioned between two cell assemblies; and at least one spacer positioned between one heat plate and one cell assembly. Each outer wrap of each cell assembly of the plurality of cell assemblies includes a body having an inner surface that engages a rearward wall of the electrochemical cell of the cell assembly, a first portion having a flame barrier that engages a forward wall of the electrochemical cell of the cell assembly, and a second portion that engages an outer surface of the first portion.

Abstract: A lithium secondary battery comprises a cathode, an anode, a separator and a nonaqueous electrolyte solution. The cathode includes a first cathode active material in which at least one of metals included in the first cathode material has a concentration gradient region between a central portion and a surface portion, and a second cathode active material having a single particle structure. The lithium secondary battery has improved life-span and penetration stability.

Abstract: Embodiments of the invention include batteries and other charge-storage devices incorporating sheets and/or powders of silica fibers and methods for producing such devices. The silica fibers may be formed via electrospinning of a sol gel produced with a silicon alkoxide reagent, such as tetraethyl ortho silicate, alcohol solvent, and an acid catalyst.

Abstract: A method of manufacturing a membrane-electrode assembly including an electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the catalyst layer before bonding; and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer-formed gas diffusion layer to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer-formed gas diffusion layer and the electrolyte membrane with high productivity.

Abstract: A power storage module includes: a plurality of power storage cells; a first indication portion that is provided on each of the power storage cells and that indicates first identification information; and a second indication portion that is provided on each of the power storage cells and that indicates second identification information different from the first identification information. In a state in which the power storage module including the plurality of power storage cells is formed, the first indication portion is exposed to outside of the power storage module, and the second indication portion is not exposed to the outside of the power storage module.

Abstract: The present disclosure provides laminating equipment, method and a laminated structure, and relates to the technical field of jelly roll manufacturing. The laminating equipment includes a transferring mechanism and a carrying mechanism. The transferring mechanism is configured to transfer a composite bi-cell belt downward, wherein the composite bi-cell belt has thereon a plurality of composite bi-cell units, and two adjacent composite bi-cell units are connected to each other through a bending section. The carrying mechanism has a laminating plane, and the plurality of the composite bi-cell units are laminated one by one on the laminating plane, thereby forming a laminated structure.