Abstract: A battery module including a battery-cooling heat sink having a PCM capsule. The battery-cooling heat sink provides a uniform temperature of a cooling fluid flowing through the battery module using a PCM capsule, minimizes a temperature variation of the cooling fluid over the entire area of the heat sink formed in the battery module, and prevents the temperature at a cooling fluid outlet of the heat sink from being higher than that of a cooling fluid inlet.

Abstract: This disclosure relates to compositions and methods for improving the performance of lead-acid batteries, including reviving or rejuvenating a partially or totally dead battery, by adding an amount of nonionic, ground state metal nanoparticles to the electrolyte of the battery, and optionally recharging the battery by applying a voltage. The metal nanoparticles may be gold and coral-shaped, and are added to provide a concentration within the electrolyte of 100 ppb to 2 ppm.

Abstract: When a time period from a stop to a start of a fuel cell system exceeds a predetermined time period, a controller of the fuel cell system obtains a first electrical conductivity of a cooling medium that is placed from a radiator to before a connecting location of one end portion in a cooling medium circulation flow path and a second electrical conductivity of the cooling medium that is placed on a downstream side of an ion exchanger in a bypass flow path, and uses the obtained first electrical conductivity and second electrical conductivity and a predetermined target electrical conductivity of a supply cooling medium to control the operation of a flow dividing valve such that the electrical conductivity of the supply cooling medium becomes equal to or less than the target electrical conductivity and thereby regulate a flow rate ratio.

Abstract: In a method of preparing a lithium metal oxide, a preliminary lithium metal oxide is prepared. The preliminary lithium metal oxide is washed using a washing solution to remove lithium salt impurities. The washing solution includes water and an organic ligand multimer compound. The lithium metal oxide having improved structural uniformity and stability is obtained using the washing solution.

Abstract: A mixture of amorphous PAHs and at least one of a carrier ion storage metal, a Sn compound, a carrier ion storage alloy, a metal compound, Si, Sb, and SiO2 is used as the negative electrode active material. The theoretical capacity of amorphous PAHs greatly exceeds that of a graphite based carbon material. Thus, the use of amorphous PAHs enables the negative electrode active material to have a higher capacity than in the case of using the graphite-based carbon material. Further, addition of at least one of the carrier ion storage metal, the Sn compound, the carrier ion storage alloy, the metal compound, Si, Sb, and SiO2 to the amorphous PAHs enables the negative electrode active material to have a higher capacity than the case of only using the amorphous PAHs.

Abstract: A method for producing a sulfide solid-state battery in which, an anode mixture (a) is layered over a surface of an anode current collector, to form an anode mixture layer A1, the anode mixture (a) containing a polyamic acid, and silicon-based active material but not containing a sulfide solid electrolyte; the anode mixture layer A1 is heated to imidize the polyamic acid, to make an anode mixture layer A2; a sulfide solid electrolyte is layered over a surface of the anode mixture layer A2; to be pressed to insert the sulfide solid electrolyte into a void in the anode mixture layer A2, to make an anode mixture layer A3; and thereafter an anode mixture (b) is layered over a surface of the anode mixture layer A3, to form an anode mixture layer B, the anode mixture (b) containing carbonaceous active material and binder.

Abstract: There is provided a functional layer including a layered double hydroxide (LDH). The functional layer includes a first layer with a thickness of 0.10 ?m or more, the first layer being composed of fine LDH particles having a diameter of less than 0.05 ?m, and a second layer composed of large LDH particles having a mean particle diameter of 0.05 ?m or more, the second layer being an outermost layer provided on the first layer.

Abstract: An energy storage device includes: a flattened electrode assembly formed by winding electrodes such that a hollow portion is formed, the electrode assembly including a pair of curved portions opposed manner in a major axis direction and a pair of flat portions opposed in a minor axis direction; and a case storing the electrode assembly therein, wherein assuming a thickness of the flat portion in the minor axis direction as A, a thickness of the curved portion in a radial direction as B, and a thickness of the hollow portion in the minor axis direction as W, the electrode assembly satisfies A+(W/2)?B in a state where the electrode assembly is discharged.

Abstract: A method for manufacturing a lithium secondary battery including the steps of manufacturing a lithium secondary battery including an electrode assembly, a non-aqueous electrolyte in which the electrode assembly is impregnated, and a battery case receiving the non-aqueous electrolyte; performing formation of the lithium secondary battery; and performing a degassing process for removing gas generated inside the lithium secondary battery, wherein the non-aqueous electrolyte includes a lithium salt, an organic solvent and 1,2,3-trifluorobenzene as an additive, wherein the 1,2,3-trifluorobenzene is included in an amount of 0.1 wt % to 10 wt % based on the total weight of the non-aqueous electrolyte, and the formation step is performed by charging the state of charge (SOC) of the battery up to 10% to 80%, while applying a voltage of 3.5 V to 4.5 V under a pressure of 0.5 kgf/cm2 to 5 kgf/cm2 at 45° C. to 80° C.

Abstract: Provided is a thermal conduction sheet that is easily attached from one face to the other face of a battery cell, the faces being perpendicular to each other. Thermal conduction sheet includes graphite sheet, and insulating sheets between and with which graphite sheet is entirely sandwiched and sealed. Graphite sheet has a plurality of cut-out portions arranged linearly. Thermal conduction sheet is bent at a region where cut-out portions are formed. Thus, thermal conduction sheet is attached from one face to the other face of a battery cell, the faces being perpendicular to each other.

Abstract: The present disclosure relates to a method for injecting an electrolyte to a pouch secondary battery which includes the steps of: interposing an electrode assembly between a first metal laminate film and a second metal laminate film forming a pouch casing, and sealing the edges of each of the films with an electrolyte inlet left therein, thereby providing a pouch secondary battery; mounting the pouch secondary battery between a first jig and a second jig, which are installed in a jig stand so as to have a controllable interval and form a gap space, with the electrolyte inlet facing up, and injecting an electrolyte through the electrolyte inlet; loading the jig stand to a vacuum chamber; increasing the width of the gap space by moving the first and the second jigs so that the area occupied by the electrolyte may be localized in the lower part of the pouch casing, and then forming vacuum atmosphere; and moving the first and the second jigs while maintaining the vacuum atmosphere so that the width of the gap spa

Abstract: An apparatus is provided according to embodiments of the present invention which includes a reaction chamber having a wall defining an interior of the reaction chamber and an exterior of the reaction chamber; exoelectrogenic bacteria disposed in the interior of the reaction chamber; an aqueous medium having a pH in the range of 3-9, inclusive, the aqueous medium including an organic substrate oxidizable by exoelectrogenic bacteria and the medium disposed in the interior of the reaction chamber. An inventive apparatus further includes an anode at least partially contained within the interior of the reaction chamber; and a brush or mesh cathode including stainless steel, nickel or titanium, the cathode at least partially contained within the interior of the reaction chamber.

Abstract: A Li-ion battery includes a cathode; an anode having a primary active material, conductive carbon, binder, and reserve material; and a separator between the cathode and anode. The reserve material has a reaction potential between a lithium reaction potential and a primary active material reaction potential. The reserve material is configured to intercalate with lithium at the reaction potential responsive to the primary active material being fully intercalated to inhibit lithium plating on the anode.

Abstract: Provided is a lithium secondary battery, comprising a cathode, an anode, and a porous separator or electrolyte disposed between the cathode and the anode, wherein the anode comprises: (a) an anode active layer containing a layer of lithium or lithium alloy, in a form of a foil, coating, or multiple particles aggregated together, as an anode active material; and (b) a thin layer of a high-elasticity polymer, disposed between the anode active layer and the porous separator or electrolyte; the polymer having a recoverable tensile strain from 2% to 1,500%, a lithium ion conductivity no less than 10?6 S/cm (typically up to 5×10?2 S/cm) at room temperature, and a thickness from 1 nm to 10 ?m, wherein the high-elasticity polymer contains a polyrotaxane network having a rotaxane structure or a polyrotaxane structure at a crosslink point of the polyrotaxane network.

Abstract: Disclosed herein is a secondary battery electrode manufacturing device including a slurry supply unit for supplying a secondary battery electrode mixture slurry, an electrode mixture layer forming mold configured to have a hollow structure having a first open surface and a second open surface, the first open surface and the second open surface being opposite each other, the electrode mixture slurry supplied from the slurry supply unit being injected into a hollow region of the electrode mixture layer forming mold, a drying unit for drying the electrode mixture slurry injected into the hollow region of the electrode mixture layer forming mold, a press for pressing the dried electrode mixture slurry to form an electrode mixture layer sheet, and a mold support unit for supporting the electrode mixture layer forming mold in the state in which the top surface of the mold support unit faces the first open surface of the electrode mixture layer forming mold.

Abstract: Systems and methods which provide a polyacrylamide (PAM) based flexible and rechargeable zinc-ion battery (ZIB) configuration are described. Embodiments of a ZIB configuration comprise a PAM based polymer electrolyte. For example, a ZIB configuration of embodiments may comprise a manganese-dioxide (MnO2) cathode, a zinc (Zn) anode, and a PAM based polymer electrolyte. The PAM based polymer electrolyte may comprise a PAM based polymer hosting one or more solutions to form a hydrogel electrolyte (e.g., crosslinked polyacrylamide hydrogel electrolyte). For example, the PAM based polymer electrolyte may be configured as a polyelectrolyte matrix host for the one or more solutions, such as may comprise a neutral solution of zinc sulfate and manganese sulfate, to achieve a stable electro chemical performance under the repetitive deformation conditions.

Abstract: A battery system having: a series unit in which battery units are connected in series; heat exchangers thermally coupled with the battery units and internally circulating the coolant; and an outer case in which the series units and the heat exchangers are accommodated. The battery unit has battery cells stacked together, a plus output terminal and a minus output terminal at both ends thereof. The battery unit disposed at an end of the plus output terminal side of the series unit is disposed at an inclined posture where the end of the plus output terminal side is away from the base plate of the outer case. The battery unit disposed at an end of the minus output terminal side of the series unit, is disposed at an inclined posture where the end of the minus output terminal side is away from the base plate of the outer case.

Abstract: A radiolytic electrochemical system that comprises a cathode, an anode that comprises a semiconductor, an aqueous electrolyte solution disposed between the cathode and anode, and ionizing radiation, wherein the ionizing radiation splits water molecules via radiolysis and forms solvated free radicals that migrate to the anode or cathode, depending upon a radical's charge, and participate in redox reactions at the anode and cathode thereby producing electrical current capable of performing work when the anode and cathode are electrically connected.

Abstract: There is provided a compound for use as material in cathode of a battery. The compound has i) at least sodium or ii) sodium and lithium as a first ingredient, copper as a second ingredient, at least a first transition metal in a third ingredient (M) selected from a group including manganese, nickel, iron, copper, zinc, chromium, vanadium, titanium, molybdenum and tungsten, niobium; and oxygen as a fourth ingredient; and wherein the compound has a chemical formula of NayCuxM1-xO2, or LiaNabCuxM1-xO2.

Abstract: A zinc-air secondary battery includes an air positive electrode part, a separator, and a zinc gel negative electrode part. The zinc gel negative electrode part includes therein at least one middle layer made of mesh or foam. In a zinc-air secondary battery, oxygen discharging efficiency that is present in a zinc gel negative electrode part is high, and thus charging performance of the zinc-air secondary battery can be improved.