Abstract: An electrode component for an electrochemical cell is provided herein. The electrode component includes a current collector having a first surface, a metal oxide layer disposed on the first surface of the current collector, and a lithium-containing layer bonded to the first surface of the current collector. The metal oxide layer includes a plurality of features. A method for manufacturing such an electrode component is also provided herein. The method includes directing a laser beam toward the first surface of the current collector in the presence of oxygen to form the metal oxide layer on the first surface and applying the lithium-containing layer to the metal oxide layer thereby bonding the lithium-containing layer with the current collector.

Abstract: An electrode structure includes a positive electrode layer and a positive electrode collector member. The positive electrode collector member includes a positive electrode collector foil, a carbon film, and a hot melt adhesive agent. A positive electrode total specific surface area is more than or equal to 2.2 m2/g and less than or equal to 3.0 m2/g, the positive electrode total specific surface area being represented by a total of a product of weight ratio and specific surface area of a positive electrode active material, a product of weight ratio and specific surface area of a solid electrolyte, and a product of weight ratio and specific surface area of a conductive material. A softening point of the hot melt adhesive agent is more than or equal to 100° C. and less than or equal to 130° C.

Abstract: A method of producing an electrode mixture paste includes a kneading process in which an electrode active material, a conductive material, a binding material, a dispersant and a non-aqueous solvent are kneaded to obtain an electrode mixture paste and an ultrasonic wave application process in which ultrasonic waves are applied to the electrode mixture paste without evaporating the non-aqueous solvent from the electrode mixture paste.

Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly; and an outer terminal. The bus bar frame assembly includes a bus bar frame and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells, the bus bar frame being configured to cover first and second opposing longitudinal ends of the cell stack, and the outer terminal is connected to the plurality of bus bars. A pair of electrode leads of each of the battery cells are formed at locations offset downwardly from a center of the cell stack in a height direction, and the outer terminal is disposed in the space formed above the electrode leads due to the offsetting of the electrode leads.

Abstract: Embodiments described herein relate generally to electrochemical cells having dual electrolytes, systems of such electrochemical cells, and methods for manufacturing the same. In some embodiments, electrochemical cells can include a cathode disposed on a cathode current collector, an anode disposed on an anode current collector, and a separator disposed therebetween. In some embodiments, the separator can include materials that fluidically and/or chemically isolate the anode from the cathode. In some embodiments, the cathode and/or anode can include a slurry of an active material and a conductive material in a liquid electrolyte. In some embodiments, the anode can be fluidically coupled to an anode degassing port. In some embodiments, the cathode can be fluidically coupled to a cathode degassing port.

Abstract: A battery pack that protects an internal configuration from external impact and effectively prevents internal short circuit is disclosed. The battery pack includes a plurality of can type secondary batteries arranged to be laid down in a horizontal direction; a bus bar at least partially formed of an electrically conductive material to electrically connect the plurality of can type secondary batteries; at least one module case with an empty space formed inside to accommodate the plurality of can type secondary batteries; and an insulating tube configured to surround an outer wall of the module case and having an outer surface on which a plurality of embossing structures with a part bulging in an outer direction are formed.

Abstract: An electrode structure includes: a base layer including a first active material; a plurality of active material plates, a plate of the plurality of active material plates including opposing side walls and a lower wall, wherein the lower wall is disposed on the base layer, wherein adjacent plates of the plurality of active material plates are spaced apart from each other, and wherein an active material plate of the plurality of active material plates includes a second active material; and a channel between adjacent plates of the plurality of active material plates, wherein the channel includes a first channel region defined by adjacent side walls of the adjacent plates, and a second channel region connected to the first channel region and defined by a lower wall of the adjacent plates and the base layer.

Abstract: A pouch applied to a secondary battery includes an accommodation part configured to accommodate an electrode assembly; a sealing part provided outside the accommodation part, the sealing part having a plurality of sealing surfaces configured to seal the accommodation part; and a protection part provided outside one or more of the plurality of sealing surfaces of the sealing part, the protection part being configured to protect the one or more sealing surfaces.

Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.

Abstract: The present disclosure enables a decline in a joining force between an internal terminal and an external terminal to be suppressed even when a load is applied to a sealed battery from the outside. In a sealed battery disclosed herein, an external terminal includes a plate portion and a flange portion. The plate portion has a rectangular shape and includes an internal terminal joining portion that is joined to the internal terminal at one end of the plate portion in a lengthwise direction and an external device joining portion that is joined to an external device at another end of the plate portion in the lengthwise direction. The flange portion is arranged in at least one side edge portion of the plate portion in a transverse direction so as to rise approximately perpendicularly with respect to the plate portion.

Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, the non-aqueous electrolyte solution includes an ionic solution containing at least one anion selected from the group consisting of a bis(fluorosulfonyl)imide anion and a bis(trifluoromethane)sulfonylimide anion, a cation, a non-aqueous solvent, a lithium salt, a phosphite-based additive, and a surfactant including an oligomer represented by Formula 1.

Abstract: An electrode body of a secondary battery described herein includes: a core portion where electrode mixture layers of a plurality of electrode sheets are laminated; terminal connecting portions where respective current collector foil exposed portions are laminated, and a mixture layer non-facing portion where the electrode mixture layer faces the current collector foil exposed portion, the mixture layer non-facing portion being formed in a boundary between the terminal connecting portion and the core portion. In the secondary battery described herein, a short-circuit promoting portion having a predetermined depth (d) is formed in a separator provided between the electrode sheets in the mixture layer non-facing portion.

Abstract: Embodiments described herein relate generally to electrochemical cells having dual electrolytes, systems of such electrochemical cells, and methods for manufacturing the same. In some embodiments, electrochemical cells can include a cathode disposed on a cathode current collector, an anode disposed on an anode current collector, and a separator disposed therebetween. In some embodiments, the separator can include materials that fluidically and/or chemically isolate the anode from the cathode. In some embodiments, the cathode and/or anode can include a slurry of an active material and a conductive material in a liquid electrolyte. In some embodiments, the anode can be fluidically coupled to an anode degassing port. In some embodiments, the cathode can be fluidically coupled to a cathode degassing port.

Abstract: A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.

Abstract: A positive electrode active material for a secondary battery is provided. The positive electrode active material being a lithium cobalt-based oxide includes a doping element M. A lithium cobalt-based oxide particle containing the doping element M in an amount of 3,000 ppm or more, wherein in a bulk portion corresponding to 90% of a core side among the radius from a core of the particle to a surface thereof, the doping element M in the lithium cobalt-based oxide particle is contained at a constant concentration, and in a surface portion from the surface of the particle to 100 nm in a core direction, the doping element M is contained at a concentration equal to or higher than that in the bulk portion and has a concentration in which the concentration thereof is gradient gradually decreased in the core direction from the surface of the particle.

Abstract: A multilayer all-solid-state battery having a plurality of first internal electrodes that include a plurality of first-first internal electrodes and a plurality of first-second internal electrodes. The first-first internal electrodes are exposed to a first edge. The first-second internal electrodes are exposed to a first end surface. An end on a second end surface side of an internal electrode of the first-first internal electrodes disposed nearest a first main surface is closer to the first end surface than any of the ends on a second end surface side of the first-second internal electrodes.

Abstract: A sensing system for a battery includes a flex foil substrate including a first cover layer. A conductive layer defines a trace pattern including traces. A second cover layer defines a first opening. The conductive layer is sandwiched between the first cover layer and the second cover layer. The first opening exposes a first trace and a second trace of the trace pattern. A busbar is attached to the first cover layer of the flex foil substrate. A temperature sensor is connected to the first trace and the second trace of the trace pattern in the first opening of the first cover layer.