Abstract: The present invention relates to a nonaqueous electrolyte secondary battery comprising an anode (3), a cathode (2) and a nonaqueous electrolyte. The anode forming this battery includes composite particles having a carbon material included in a metallic material. As the metallic material, metal capable of electrochemically reacting with lithium in a nonaqueous electrolyte is included.

Abstract: Provided are an electrolyte for a redox flow battery, the electrolyte allowing suppression of generation of hydrogen during a battery reaction; and a redox flow battery including the electrolyte. In the electrolyte for a redox flow battery, the total concentration of platinum-group element ions is 4.5 mass ppm or less. The platinum-group element ions may satisfy in terms of concentration at least one of those described below: the concentration of rhodium ions is 1 mass ppm or less, the concentration of palladium ions is 1 mass ppm or less, the concentration of iridium ions is 1 mass ppm or less, and the concentration of platinum ions is 1 mass ppm or less.

Abstract: The present invention relates to a composite of a porous substrate and one-dimensional nanomaterial, which is manufactured by a hydrothermal method. The method for manufacturing the composite of the present invention is simple and low-cost, and the one-dimensional nanomaterial is homogeneously distributed on the porous substrate with tight binding at the interface. The present invention also relates to a surface-modified composite and a method for preparing the same. The composite of the present invention which is hydrophobically modified at the surface can adsorb organic solvents such as toluene, dichlorobenzene, petroleum ether and the like, and greases such as gasoline, lubricating oil, motor oil, crude oil and the like, with a weight adsorption ratio of >10.

Abstract: A rechargeable battery comprises an electrode assembly comprising a plurality of electrodes, wherein each of the plurality of electrodes comprises a coated region and an uncoated region; a case housing the electrode assembly; a cap plate coupled to the case for enclosing the electrode assembly in the case; a current collection plate coupled to the cap plate; and a connecting member electrically connected to the uncoated regions of at least two electrodes.

Abstract: A battery pack includes a battery cell; an insulation holder coupled to the battery cell, the insulation holder having a fixing hole; and a protection circuit module coupled to the insulation holder, the protection circuit module having a fixing tab, wherein the fixing tab is fixed to the battery cell through the fixing hole.

Abstract: Provided is a battery pack. The battery pack may prevent a center of a protective circuit module from being bent by external impacts during or after a process of manufacturing a battery pack. The battery pack includes a bare cell from which an electrode terminal protrudes, a circuit module disposed above the electrode terminal, a positive temperature coefficient (PTC) unit disposed between the bare cell and the circuit module, the PTC unit being electrically connected to the bare cell and the circuit module, and an electrode lead plate having one side contacting the electrode terminal and the other side contacting the PTC unit, the electrode lead plate having a top surface contacting a bottom surface of the circuit module.

Abstract: The present disclosure relates to an anode active material for a lithium secondary battery, a lithium secondary battery comprising the anode active material, and a method of preparing the anode active material. One embodiment of the present disclosure provides an anode active material for a lithium secondary battery, comprising a composite of SiOx-carboxylmethyl cellulose (CMC)-carbon nanotube (CNT) in which CNT is bonded to SiOx (0<x?1) through CMC; and a carbon-based material. Also, another embodiment of the present disclosure provides a method of preparing an anode active material for a lithium secondary battery, comprising bringing SiOx (0<x?1) into surface-treatment with carbon nanotube (CNT) and carboxylmethyl cellulose (CMC) to form a composite of SiOx-CMC-CNT; and mixing the composite of SiOx-CMC-CNT with a carbon-based material.

Abstract: The present invention provides an electrode material for a secondary battery wherein the inside and the surface of a lithium-titanium complex oxide is composited with a fine carbon fiber as a network.

Abstract: A rechargeable battery including a case in which an electrode assembly is accommodated; a cap plate coupled with the case; a protection circuit board coupled with the cap plate, the protection circuit board being electrically connected with a first electrode of the electrode assembly; and a protection element coupled with the cap plate, the protection element electrically coupling a second electrode of the electrode assembly with the protection circuit board.

Abstract: The battery pack comprises: a bare cell including a can, wherein the can includes an opening on one side, and a cap plate sealing the opening of the can, wherein the cap plate has at least one groove formed on one surface; a circuit board including at least one lead tab. wherein the lead tab is coupled to the cap plate by a fixing body; and a coupling member coupled with the fixing body in the groove. The coupling member and the bare cell are made of different materials. Therefore, in the battery pack, the internal resistance between the bare cell and the protective circuit board does not increase, or the cover case is not separated when an external shock is applied.

Abstract: A composite material comprising a reaction product of (A) at least one organic polymer, (B) sulfur and (C) carbon in a polymorph which comprises at least 60% sp2-hybridized carbon atoms, and additionally particles or domains which comprise carbon (C) filled with sulfur (B).

Abstract: A battery system includes a polyurea coating applied to a metal casing of a battery cell, wherein the polyurea coating is formed from a reaction mixture of an isocyanate component with ceramic particles, and an amine component with ceramic particles. The ceramic particle-filled polyurea coating exhibits a suitable thermal conductivity to substantially reduce thermal impedance to heat transfer from and to the battery cell, as well as sufficient electrical insulation.

Abstract: A battery pack having at least one battery with two electrical contacts in which a parallel circuit comprising a first and a second resistor is arranged between a first contact and a first pole, the first resistor switches off at a first temperature, the second resistor switches off at a second temperature, the first temperature is higher than the second temperature, and the first resistor has a higher current carrying capability than the second resistor. The circuit serves as fuse protection for the battery against overheating both when the battery is charging and when the battery is discharging.

Abstract: Apparatuses and methods of forming battery parts are disclosed herein. In one embodiment, a method of forming a battery part includes receiving a flowable material into a cavity, and reducing a volume of the cavity while a pin extending through at least a portion of the cavity remains at least generally stationary therein. The method further includes sealing the cavity by slidably engaging at least a portion of the pin with a recess in the piston proximate the end face of the piston.

Abstract: A power storage apparatus having a battery unit housed in a case includes external terminals of positive and negative poles for providing, from outside the case, electrical connection to corresponding positive and negative poles of the battery unit; and electronic parts, wherein only when a connection with the battery unit is cut from at least one of the external terminals of both the poles, the electronic parts can be accessed.

Abstract: A battery system comprises a battery cell having a cell body and a voltage terminal extending out of the cell body and having first and second terminal edges; a busbar to which an upper end of the voltage terminal is electrically connected; and a zipper fuse formed in a portion of the terminal between the cell body and the busbar, wherein the zipper fuse comprises an array of perforations through the voltage terminal and extending across the voltage terminal from the first edge to the second edge.

Abstract: A secondary battery includes an electrode assembly; a case housing the electrode assembly; a terminal electrically coupled to the electrode assembly, wherein the terminal includes a coupling part electrically coupled to the electrode assembly; and an extension part integral as a single piece with and extending from the coupling part; and a cap assembly sealing the case and comprising a cap plate and a short circuit plate, wherein the extension part at least partially covers the short circuit plate.

Abstract: Disclosed herein are a connection member for electrically interconnecting a plurality of battery cells in a battery pack in which the battery cells are mounted, wherein the connection member includes at least two terminal contact parts, which are connected to electrode terminals of neighboring battery cells, and a connection part for interconnecting the terminal contact parts, and wherein the terminal contact parts are lower in height, by a size corresponding to the thickness of a pack case, than the connection part such that the connection member connects the electrode terminals of the battery cells while the connection member is mounted on the outer surface of the pack case, and a battery pack including the same. Consequently, the connection member according to the present invention has the effect of effectively interconnecting the electrode terminals of the battery cells through a simple assembly process.

Abstract: Nanocomposite materials having at least two layers, each layer consisting of one metal oxide bonded to at least one graphene layer were developed. The nanocomposite materials will typically have many alternating layers of metal oxides and graphene layers, bonded in a sandwich type construction and will be incorporated into an electrochemical or energy storage device.

Abstract: An electrode assembly and a rechargeable battery including the same, the electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, wherein the first electrode, the second electrode, and the separator are spiral-wound in a jelly-roll structure, the first electrode includes at least two first uncoated regions separated from each other and a first tab coupled to one of the first uncoated regions and a second tab coupled to another of the first uncoated regions, the first tab and the second tab protruding from one side of the jelly-roll structure, the first tab is disposed near a center of the jelly-roll structure and the second tab is disposed near an outer circumference of the jelly-roll structure, and a width of the first tab is smaller than a width of the second tab.

Abstract: An electrochemical device includes a thermally-triggered intumescent material or a gas-triggered intumescent material. Such devices prevent or minimize short circuits in a device that could lead to thermal run-away. Such devices may include batteries or supercapacitors.

Abstract: A magnesium battery (10) is constituted of a negative electrode (1), a positive electrode (2) and an electrolyte (3). The negative electrode (1) is formed of metallic magnesium and can also be formed of an alloy. The positive electrode (2) is composed of a positive electrode active material, for example, a metal oxide, graphite fluoride ((CF)n) or the like, etc. The electrolytic solution (3) is, for example, a magnesium ion-containing nonaqueous electrolytic solution prepared by dissolving magnesium(II) chloride (MgCl2) and dimethylaluminum chloride ((CH3)2AlCl) in tetrahydrofuran (THF). In the case of dissolving and depositing magnesium by using this electrolytic solution, the following reaction proceeds in the normal direction or reverse direction.

Abstract: The present invention provides an electrolyte solution including: a solvent composed primarily of a BF3-cyclic ether complex; and a supporting electrolyte. For example, preferred is an electrolyte solution in which the cyclic ether is one or two or more selected from optionally substituted tetrahydrofuran and optionally substituted tetrahydropyran.

Abstract: An electricity accumulation device includes an electricity accumulation element, an outer jacket material configured to house the electricity accumulation element, and a deformation sensor disposed on an expansive surface of the outer jacket material. The deformation sensor includes a sensor membrane having a base material made of an elastomer or a resin and conductive fillers filling the base material, the sensor membrane being subjected to bending deformation along with expansion of the outer jacket material, and a pair of electrodes connected to the sensor membrane. A three-dimensional conductive path is formed in the sensor membrane through contact between the conductive fillers. An electric resistance is increased along with an increase in amount of deformation of the sensor membrane from a natural state. The electricity accumulation device senses expansion of the outer jacket material on the basis of variations in electric resistance along with bending deformation of the sensor membrane.

Abstract: A seawater power generation system is installed beside an ocean and comprises a seawater processing apparatus, a precipitation apparatus, a separation apparatus and a power generation apparatus. The seawater processing apparatus obtains seawater from the ocean and concentrates the seawater into concentrated seawater. The precipitation apparatus heats the concentrated seawater to form a precipitate of a metal oxide. The separation apparatus heats the metal oxide and reduces the metal oxide into a metal. The power generation apparatus uses the metal as a first electrode and includes a second electrode and an electrolyte contacting the first electrode and the second electrode. Thereby, the seawater is continuously fabricated into the first electrode. The electrolyte respectively reacts with the first electrode and the second electrode in an electrochemical reaction fashion to form a potential difference between the first and second electrode and generate stable electric power.

Abstract: In various embodiments an improved binder composition, electrolyte composition and a separator film composition using discrete carbon nanotubes. Their methods of production and utility for energy storage and collection devices, like batteries, capacitors and photovoltaics, is described. The binder, electrolyte, or separator composition can further comprise polymers. The discrete carbon nanotubes further comprise at least a portion of the tubes being open ended and/or functionalized. The utility of the binder, electrolyte or separator film composition includes improved capacity, power or durability in energy storage and collection devices. The utility of the electrolyte and or separator film compositions includes improved ion transport in energy storage and collection devices.

Abstract: A battery unit has a battery pack module that has a plurality of single cells, a control circuit board that has a control section that controls a charge and discharge in the battery pack module, and an accommodation case where the battery pack module and the control circuit board are accommodated. The control circuit board is disposed in a position above the battery pack module, and separated away from the base plate by a distance more than a distance from the base plate to a wall top end part of the wall section. Moreover, the submergence sensor is disposed in a position nearer to the base plate than to the wall top end part of the wall section that is in a space within the case 16 surrounded by the wall section.

Abstract: According to an embodiment, a battery includes a cap plate, the cap plate having an opening penetrating therethrough and having at least a first protrusion extending from a first side, an electrode terminal extending through the opening in the cap plate, a collector extending from the electrode terminal, and a gasket interposed between a portion of the electrode terminal and the first side of the cap plate, the first protrusion extending through the gasket and the collector.

Abstract: Described embodiments include a system and a method. A system includes a controllable electrochemical cell configured to output pulsed electric power. The controllable cell includes an electrolyte, and a first working electrode configured to transfer electrons to or from the electrolyte. The system includes a second working electrode configured to transfer electrons to or from the electrolyte. The system includes a gating electrode spaced-apart from the second working electrode and configured if biased relative to the second working electrode to modify an electric charge, field, or potential in the space between the electrolyte and the second working electrode. The system includes a control circuit configured to establish a nonlinear voltage-current property of the controllable cell in response to an externally originated trigger signal.

Abstract: An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous electrolyte. The charge storage capacity of the anode electrode is less than the charge storage capacity of the cathode.

Abstract: An electronic apparatus using a fuel cell as at least one electric power source. The fuel cell has an electric power output unit for outputting an electric power through a chemical reaction between fuel gas and oxidant gas, a purge device for purging the electric power output unit and a purge control unit for issuing a purge instruction to the purge device. The electronic apparatus has a monitor unit for monitoring a consumption power, an operation state or a manipulated state of the electronic apparatus, and a purge permission unit for judging from an output of the monitor unit whether the purge control unit is permitted to issue the purge instruction, and outputting a judgment result to the purge control unit.

Abstract: A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent.

Abstract: A battery pack includes a plurality of unit batteries; at least one bus bar electrically connecting electrode terminals of unit batteries of the plurality of unit batteries; and a bus bar holder including a holder body extending in a lengthwise direction, and at least one bus bar receiver on the holder body and mounting a respective bus bar of the at least one bus bar thereon, the at least one bus bar receiver having at least one connection hole formed therethrough, wherein the at least one bus bar is connected to an electrode terminal of the electrode terminals through the at least one connection hole.

Abstract: A battery capable of improving the cycle characteristics is provided. A current collector containing copper (Cu), in which ratio I (200)/I (111) between intensity I (200) of a peak originated in (200) crystal plane of copper obtained by X-ray diffraction and intensity I (111) of a peak originated in (111) crystal plane thereof is in the range from 0.5 to 1.5.

Abstract: A curved battery and manufacturing method thereof, includes the following steps: electroplating an electrode sheet, rolling said electrode sheet along its long side, first sealing, heating, pouring in electrolyte fluid, charging, vacuuming, second sealing, and shaping. Wherein, the electrode sheet is of a long strip shape, with its outside wrapped with separation film, to separate the positive electrode and negative electrode. While perform rolling, it is performed along its long side, to remove the stress that may occur after the product is produced. Then, sealing is performed by using films made of water resistant and heat resistant material for sealing at least three side edges. Pour in electrolyte fluid of LiPF6 in an overall temperature of 75 degrees. Afterwards, charging the electrolyte fluid, perform vacuuming, and perform second sealing. Finally, using heated tools to bend the half-finished battery into shape, to form a curved battery having uniform curvature.

Abstract: A storage battery is provided comprising a positive electrode of lead, a negative electrode of gallium and an aqueous electrolyte containing aluminum sulfate. Upon charging the cell, lead dioxide is formed and aluminum is alloyed with the gallium. During discharge, aluminum goes back into solution and lead dioxide is reduced to lead sulfate.

Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.

Abstract: A pouch type battery, including: an electrode assembly; a pouch accommodating the electrode assembly; a first electrode tab electrically connected to the electrode assembly, the first electrode tab extending outside of the pouch; a positive temperature coefficient (PTC) device electrically connected to the first electrode tab, the PTC device being fixed to the pouch by a photocurable adhesive; and a lead plate electrically connected to the PTC device.

Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries includes a coating layer containing at least nickel (Ni) and/or manganese (Mn) on the surface of a complex oxide particle containing lithium (Li) and cobalt (Co), wherein a binding energy value obtained by analysis of a surface state by an ESCA surface analysis on the surface of the coating layer is 642.0 eV or more and not more than 642.5 eV in an Mn2p3 peak, and a peak interval of Co—Mn is 137.6 eV or more and not more than 138.0 eV.

Abstract: A handheld power tool battery pack includes a plurality of battery cells, which have a positive cell pole at one end and a negative cell pole at an opposite end, connecting conductors which are provided for electrically connecting the battery cells, a connecting side, and a side opposite the connecting side. The battery cells have one integrated cell connector which is provided for the purpose of making one of the cell poles of the battery cell electrically connectably available at the end of the other cell pole of the battery cell, and that the connecting conductors for electrically connecting the battery cells are situated only on the connecting side.

Abstract: A secondary battery includes: an electrode including an active material layer; and an electrolyte layer provided on the active material layer, wherein area density of the active material layer is equal to or larger than about 40 milligrams per square centimeter, the electrolyte layer includes a polymer compound and an electrolytic solution, and by surface observation of the electrolyte layer, (A) circular regions are not observed, or (B) one or more circular regions are observed, and an average diameter of the circular regions is equal to or less than about 1.3 millimeters.

Abstract: A battery system for electrical devices, a battery, a battery loading system may be provided. The battery system may comprise a battery container with an inlet channel for a serially inserting multiple batteries with substantially identical shape into the battery container, and a battery holder with a holding mechanism to selectively hold the inserted battery. For each of the battery holders, electrical connectors for connecting the inserted batteries may be available. An ejection may be possible via an outlet channel and an ejection mechanism.

Abstract: The invention provides a droplet encapsulate comprising: a drop of a hydrophobic medium; a peripheral layer of non-polymeric amphipathic molecules around the surface of the drop; and an aqueous droplet within the peripheral layer, the aqueous droplet comprising: (a) an aqueous medium and (b) an outer layer of non-polymeric amphipathic molecules around the surface of the aqueous medium. The invention also provides processes for preparing the droplet encapsulates. Various uses of the droplet encapsulates are also described, including their use as drug delivery vehicles, in synthetic biology, and in the study of membrane proteins.

Abstract: A modular battery device may include a substantially planar dielectric substrate having a first major surface and a second major surface spaced from and opposite the first major surface. A plurality of conductive couplers may extend through the substrate from the first major surface to the second major surface at spaced locations. Each conductive coupler may have a first connector element disposed at the first major surface of the substrate electrically connected to an associated second connector element forming an extension extending from the second major surface of the substrate. The device may be selectively engageable with another such device by selectively mating the first connector element of a first conductive coupler on the device in mechanical and electrical engagement with the second connector element of a second conductive coupler on the other such device. Devices having batteries may be stacked to provide parallel and/or series connections.

Abstract: Disclosed is a non-aqueous electrolyte comprising: an acrylate compound; a sulfinyl group-containing compound; an organic solvent; and an electrolyte salt. Also, disclosed is an electrode comprising a coating layer formed partially or totally on a surface thereof, the coating layer comprising: (i) a reduced form of an acrylate compound; and (ii) a reduced form of a sulfinyl group-containing compound. Further, disclosed is an electrochemical device comprising a cathode, an anode and a non-aqueous electrolyte, wherein (i) the non-aqueous electrolyte is the aforementioned non-aqueous electrolyte; and/or (ii) the cathode and/or the anode is the aforementioned electrode.

Abstract: A card battery to charge and/or discharge an external electronic apparatus, the card battery including: a card battery body including a bare cell and a first substrate electrically connected to the bare cell; and a connector including a protection circuit module electrically connected to the card battery body.

Abstract: A rechargeable battery that features two or more levels of internal resistance according to various temperature ranges is disclosed.

Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; and a cap assembly connected to the case. The cap assembly includes a first tab electrically connected to the first electrode, a second tab electrically connected to the second electrode, an deformable plate capable of electrically connecting the first tab and the second tab by being deformed due to a pressure increase, and an intermediate member formed between the first tab and the deformable plate.

Abstract: A rechargeable battery pack including a cell having an electrode assembly and a pouch for retaining the electrode assembly therein; an electrode tab connected to a lead tab of the cell; and a temperature sensor received in a receiving groove of the electrode tab.

Abstract: An electrochemical cell includes a metal containing anode M? capturing and releasing cations, a metal containing cathode M? and an electrolyte including an anion X?and a cation M?+. During the charge process, the electrolyte allows reversible reactions wherein the anion dissociates from the electrolyte and reacts with the metal cathode forming M?Xy. At the same time, cations M?+ from the electrolyte deposit on the anode side. The reverse process happens during the discharge process.