Abstract: A battery pack includes a stack of a plurality of battery cells each including positive and negative electrode lead tabs led out of a laminate film casing, and a coupling assisting member. The coupling assisting member includes a conductive plate member fixing portion that fixes a conductive plate member having first and second main surfaces in a front-to-back relationship. Either one of the positive and negative lead tabs of one battery cell is conductively connected to the first main surface of the conductive plate member. A lead tab of a battery cell adjoining the one battery cell, having a polarity different from that of the lead tab of the one battery cell, is inserted through the second slit portion and conductively connected to the second main surface of the conductive plate member. Vibration transmission ratio changing bends are provided on the lead tabs.

Abstract: Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).

Abstract: A positive active material, a manufacturing method thereof, and a lithium secondary battery including the same are disclosed, and a positive active material including lithium metal oxide particles in a secondary particle form including primary particles, wherein the secondary particle surface includes planar primary particles with a narrow angle of 70 to 90° from among angles between a c axis of the primary particles and a straight line connecting a virtual point of a center of the primary particle and a center point of the secondary particle may be provided.

Abstract: A battery, including an electrode assembly including a central hole, at least one positive electrode, at least one negative electrode, and at least one diaphragm separating the at least one positive electrode from the at least one negative electrode. The at least one positive electrode, the at least one negative electrode and the at least one diaphragm are disposed around the central hole in a spiral winding manner. The central hole has a diameter of greater than 0 and smaller than that of the battery. A pin assembly is disposed in the central hole. The pin assembly includes a housing including an axial through hole. The housing is partially or fully disposed in the central hole. At least one integrated circuit device is disposed in the axial through hole. The at least one integrated circuit device includes at least one access terminal and one output terminal.

Abstract: A power storage module comprises: an electrode stacked body including a stacked body in which a plurality of bipolar electrodes are stacked, a pair of terminal electrodes located on an outer side of the stacked body in a stacking direction of the bipolar electrodes, and a plurality of metal plates which constitute the stacked body and the pair of terminal electrodes; and a sealing body provided to surround a side surface of the electrode stacked body. The sealing body includes a plurality of first sealing portions coupled to edge portions of the plurality of metal plates, and a second sealing portion that couples the first sealing portions to each other. A thickness adjustment member that adjusts the thickness of the electrode stacked body in the stacking direction is disposed in the electrode stacked body at a position of overlapping the first sealing portions when viewed from the stacking direction.

Abstract: A lithium metal negative electrode for an electrochemical cell for a secondary lithium metal battery includes a polycrystalline metal substrate having a major facing surface with a defined crystallographic texture. An epitaxial lithium metal layer is formed on the major facing surface of the polycrystalline metal substrate. The epitaxial lithium metal layer exhibits a predominant crystal orientation. The predominant crystal orientation of the epitaxial lithium metal layer is derived from the defined crystallographic texture of the major facing surface of the polycrystalline metal substrate.

Abstract: An embodiment is directed to an electrode composition for use in an energy storage device cell. The electrode comprises composite particles, each comprising carbon that is biomass-derived and active material. The active material exhibits partial vapor pressure below around 10?13 torr at around 400 K, and an areal capacity loading of the electrode composition ranges from around 2 mAh/cm2 to around 16 mAh/cm2.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a lithium-cobalt composite oxide having a layered rock-salt crystal structure. The negative electrode includes graphite. A potential variation of the positive electrode is greater than or equal to 2 mV when the secondary battery is discharged from a full charge state by a capacity corresponding to 1% of a maximum discharge capacity. The maximum discharge capacity is a discharge capacity obtained when the secondary battery is discharged with a constant current from the full charge state until the closed circuit voltage reaches 3.00 V, following which the secondary battery is discharged with a constant voltage of the closed circuit voltage of 3.00 V for 24 hours.

Abstract: A novel conversion-type rechargeable zinc (Zn) battery is constructed. A zinc fluoride (Zn/ZnF2) interface provides an artificial solid electrolyte interlayer (SEI) at the Zn/electrolyte interface that allows plating of Zn dendrite free and protects the Zn metal anode from direct exposure to bulk aqueous electrolyte. This provides the advantage that the interfacial Zn2+ ion transport is regulated, which controls nucleation distribution and the growth pattern of Zn deposition on the surface of the anode, and also improve inherent H2O/O2 resistant properties.

Abstract: Disclosed are a carbon substrate for a gas diffusion layer of a fuel cell, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell, wherein the carbon substrate includes a plate-shaped substrate having an upper surface and a lower surface opposite the upper surface, and the plate-shaped substrate includes carbon fibers arranged to extend in one direction (extend unidirectionally) and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other.

Abstract: The present invention relates to an electric energy storage device, in particular a battery, at least comprising: —an anode comprising a divalent metal selected from magnesium, calcium, beryllium and zinc or a combination thereof or an alloy comprising at least one of these metals; —a cathode comprising elemental sulphur, or a sulphur-containing organosilane compound, or a mixture of sulphur-containing organosilane compounds, or a mixture of sulphur and sulphur-containing organosilane compounds grafted on the surface of the cathode; and—an electrolyte placed between the anode and the cathode; wherein the cathode comprises a current collector surface that has been at least partly modified by grafting the sulphur-containing organosilane compound or a mixture of sulphur-containing organosilane compounds thereon.

Abstract: A sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer is formed on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon composite is enhanced and also, lithium ions move freely, and accordingly, when applied to lithium secondary batteries, the sulfur-carbon composite can enhance the performance of batteries.

Abstract: An electric generator including a number of electric accumulators and at least one heat-sink device using a phase-change material configured to pick up the excessive thermal energy produced by one of the electric accumulators and change phase in order to absorb a large quantity of thermal energy in the form of latent heat.

Abstract: Provided are assemblies, comprising: a first leaf spring; a second leaf spring; and at least one component; the first leaf spring and the second leaf spring being superposed over a first end of the at least one component so as to exert first and second forces, respectively, through first and second regions of the component. These assemblies are useful to apply different forces to a stacked assembly where a cross section of a component of the assembly comprises materials of different Young's moduli within that cross section, thereby compressing different regions of the component with different forces.

Abstract: A method of fabricating an ion battery for a smart wearable device is proposed. The method includes the steps of: (a) continuously press-printing each of a positive electrode ink composition and a negative electrode ink composition in a coagulation bath and drying the same to manufacture one or more electrode fibers; (b) twisting the electrode fibers to manufacture an electrode assembly; (c) coating the electrode assembly with a separator composition; and (d) placing one or more electrode assemblies in a heat shrinkable tube and introducing a gel electrolyte.

Abstract: A miniature electrochemical cell of a primary or a secondary chemistry with a total volume that is less than 0.5 cc is described. The cell has a casing comprising an annular sidewall supported on a lower plate opposite an upper closure plate. The upper plate has a sealed electrolyte fill port. A current collector having an opening aligned with the fill port contacts an inner surface of the upper plate. An anode active material contacts the lower plate, and a cathode active material contacts the upper closure plate. A dielectric material coats the lower open end of the annular sidewall and a portion of the inner surface of the sidewall. A glass seals the dielectric material to the lower plate. An electrolyte contacts the electrode assembly. The cathode active material contacting the current collector has an opening aligned with the current collector opening and the electrolyte fill port.

Abstract: A novel battery container that can be obtained by welding plated steel sheets, has sufficient sealing ability over a long period of time, and is able to keep the base material of the plated steel sheets from being exposed and eluting into the electrolyte solution is provided. That is, a battery case comprised of a container body and a container lid, wherein the container body and the container lid are each comprised of a plated steel sheet, a joint part between the container and the container lid is comprised of a plating welded part containing a main constituent component of the plating of the plated steel sheet in 60 mass % or more and a steel sheet welded part containing the main constituent component of the plating in less than 60 mass %, and the plating welded part has a length of 0.5 ?m or more and less than 1.0 mm in a joint longitudinal direction.

Abstract: A solid electrolyte according to the present disclosure includes first particles consisted of a first solid electrolyte material and second particles consisted of a second solid electrolyte material. The first solid electrolyte material has a higher ionic conductivity than the second solid electrolyte material. The second solid electrolyte material has a lower Young's modulus than the first solid electrolyte material.

Abstract: Batteries, component structures and manufacturing methods, in particular including a glassy embedded battery electrode assembly having a composite material structure composed of interpenetrating material components including a porous electroactive network including a solid electroactive material, and a continuous glassy medium including a Li ion conducting sulfide glass, can achieve enhanced power output, reduced charging time and/or improved cycle life.

Abstract: A battery box includes end plates, side plates, and welding members. One of the end plates is provided between two adjacent side plates. The end plates and the side plates are connected to one another to enclose a cavity of the battery box. The welding members are formed by bending an end portion of a side plate or an end portion of an end plate multiple times. The end portion of the side plate and the end portion of the end plate are configured to implement the connection of the side plates and the end plates to one another to enclose the cavity of the battery box. The welding members are configured to be welded to a corresponding side plate.