Abstract: Provided are lithium sulfur battery cells that use water as an electrolyte solvent. In various embodiments the water solvent enhances one or more of the following cell attributes: energy density, power density and cycle life. Significant cost reduction can also be realized by using an aqueous electrolyte in combination with a sulfur cathode. For instance, in applications where cost per Watt-Hour (Wh) is paramount, such as grid storage and traction applications, the use of an aqueous electrolyte in combination with inexpensive sulfur as the cathode active material can be a key enabler for the utility and automotive industries, providing a cost effective and compact solution for load leveling, electric vehicles and renewable energy storage.

Abstract: Provided is a packaging material for electrochemical cells which has an identification mark that can be recognized from the outside and that is difficult to forge. The packaging material comprises a multilayer film which has a structure formed by laminating a base layer (11), an adhesive layer (13), a metal foil layer (12), an acid-modified polyolefin layer (14), and a heat-sealable layer (15) in this order, wherein the base layer (11) comprises both a oriented polyester film (11b) and a oriented nylon film (11e) with a printed layer (11c) provided on the surface of the oriented polyester film (11b) that faces the oriented nylon film (11e).

Abstract: A protection circuit module (PCM) assembly for use with a battery cell includes a base circuit board on which a plurality of electronic elements are mounted, and a first electrode output terminal formed on the base circuit board. The PCM assembly is to be coupled to a top portion of the battery cell and electrically connected to the first electrode lead and the second electrode lead. The first electrode output terminal is to be directly connected to a first terminal of an external device and to be electrically connected to an electrode terminal of the battery cell to form a first output stage. A second electrode lead at a side of the base circuit board is to be directly connected to a second terminal of the external device and is to be connected to the can or the cap plate to form a second output stage.

Abstract: An aqueous metal-ion battery and a method for constructing same. In one embodiment, the battery includes an aqueous electrolyte and at least one electrode comprising at least one organic electrode material. A method comprises incorporating an organic electrode material into the electrode of an aqueous metal-ion battery. The organic electrode material further comprises at least one material chosen from carbonyl compounds.

Abstract: A lithium-ion battery cell includes at least two working electrodes, each including an active material, an inert material, an electrolyte and a current collector, a first separator region arranged between the at least two working electrodes to separate the at least two working electrodes so that none of the working electrodes are electronically connected within the cell, an auxiliary electrode including a lithium reservoir, and a second separator region arranged between the auxiliary electrode and the at least two working electrodes to separate the auxiliary electrode from the working electrodes so that none of the working electrodes is electronically connected to the auxiliary electrode within the cell.

Abstract: Ingestible event marker systems that include an ingestible event marker (i.e., an IEM) and a personal signal receiver are provided. Embodiments of the IEM include an identifier, which may or may not be present in a physiologically acceptable carrier. The identifier is characterized by being activated upon contact with a target internal physiological site of a body, such as digestive tract internal target site. The personal signal receiver is configured to be associated with a physiological location, e.g., inside of or on the body, and to receive a signal the IEM. During use, the IEM broadcasts a signal which is received by the personal signal receiver.

Abstract: A battery pack capable of improving heat dissipation characteristics and reducing the temperature variation between cells. A battery pack includes at least one battery module including a plurality of battery cells aligned in one direction, a housing that accommodates the at least one battery module and includes a coolant flow path arranged therein and a junction box arranged at a predetermined location in a vicinity of the battery module, the junction box having a sleeve arranged parallel to the coolant flow path.

Abstract: The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery.

Abstract: An active material of the present invention has fine pores formed in the interlayer of a carbon material capable of exhibiting electrochemical double layer capacitance. The fine pores are formed by forming an oxidized graphite structure combined with oxygen in the interlayer of a part or whole of the carbon material containing soft carbon and then removing a part or whole of oxygen in the interlayer. A method for producing an energy storage active material for use in an electrochemical double layer capacitor comprises pre-treating a carbon material through heat treatment and oxidizing the pre-treated carbon material using an oxidant. The method further comprises reducing the oxidized carbon material through heat treatment. The interlayer distances of an active material for respective steps, measured by a powder X-ray diffraction method, are 0.33˜0.36 nm in the pre-treatment step, 0.5˜2.1 nm in the oxidation step, and 0.34˜0.5 nm in the reduction step.

Abstract: An electric storage apparatus in which a first projecting portion projecting on one side and a second projecting portion projecting on the opposite side of the one side are formed at different positions in a direction orthogonal to a direction in which the first and second projecting portions project.

Abstract: An implantable device, such as a pacer, defibrillator, or other cardiac rhythm management device, can include one or more MRI Safe components. In an example, the implantable device includes a battery including a first electrode and a second electrode separate from the first electrode. The second electrode includes a first surface and a second surface. The second electrode includes a slot through the second electrode from the first surface toward the second surface. The slot extends from a perimeter of the second electrode to an interior of the second electrode. The slot is configured to at least partially segment a surface area of the second electrode to reduce a radial current loop size in the second electrode.

Abstract: The purpose of the present invention is to provide simpler and more reliable electrical wiring than a lead wire. A battery pack includes at least one rechargeable secondary battery (1), a battery holder (70) for housing the secondary battery (1) in a predetermined position, a pack circuit board (74) having a mounted electronic circuit for monitoring the secondary battery (1), and an electrical connection wire (85) for electrically wiring the pack circuit board (74). Here, the electrical connection wire (85) is a bent metal wire. Because wiring is realized using metal wire, and the metal connection is secured after the wiring has been completed, movement and deformation due to vibrations and other factors, such as that which occurs in the case of conventional lead wires, are avoided, and reliability can be improved.

Abstract: New electrochemical battery recharging, refurbishment and replacement techniques are provided. In some aspects of the invention, small, fungible battery elements may be immersed in a fluid and delivered via a bifurcated pump interface that simultaneously unloads discharged cells and loads new, charged cells, to accomplish rapid cell replacement and recharging. The cells may be magnetically aligned to bring cathode and anode elements together, in series, and bridge contacts within a container (powering an appliance). Density differentials between charged and discharged elements may aid in placing them in series (with similar charge states and capacities) and in removing them during replacement. In other aspects, electrode elements may be rapidly flushed to accomplish rapid recharging, in a staged process.

Abstract: A battery pack having a case where connection tabs can be accurately positioned within the case and where welding holes in the case are formed to provide access to a welding rod and to allow heat to escape. Connection tabs are fixed into a lower case, batteries are arranged in the case, and then a welding process is performed to attach electrode tabs of the battery to the connection tabs so that the batteries can be connected together, to an external terminal and to a protection circuit module.

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: The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode material capable of inserting and extracting Li as an anode active material. An electrolytic solution is impregnated in the separator. The electrolytic solution contains a solvent, and an electrolyte salt such as Li[B(CF3)4] dissolved in the solvent, which is expressed by a chemical formula of Li[B(RF1)(RF2)(RF3)RF4]RF 1, RF 2, RF 3, and RF 4 represent a perfluoro alkyl group whose number of fluorine or carbon is from 1 to 12, respectively. Consequently, high temperature storage characteristics are improved.

Abstract: A battery temperature sensor may include a substrate and a thin film resistive temperature device (RTD). The substrate can be layered on a battery cell element. The battery cell element can be an anode, a cathode, and a separator between the anode and cathode used in a battery cell. The thin film resistive temperature device (RTD) on the flexible substrate can change resistance with a change in temperature. A battery cell housing can enclose the thin film RTD.

Abstract: Deterioration of a battery is prevented or the degree of deterioration of a battery is reduced, and charge and discharge performance of the battery is maximized and the charge and discharge performance of the battery is maintained for a long time. In a battery such as a sodium-ion secondary battery, various malfunctions or deterioration is caused by a reaction product deposited on an electrode surface. The reaction product is dissolved by applying a signal (inversion pulse current) to make a current flow in a direction opposite to a direction in which the reaction product is formed more than once in charging or discharging.

Abstract: A cylindrical lithium ion secondary battery includes an electrode assembly; a center pin positioned within the electrode assembly and having upper and lower ends that are closed; a can containing the electrode assembly and the center pin; and a cap assembly coupled to the top of the can. The center pin can include a body extending a predetermined length with its upper and lower end open and at least one closure member adapted to close the upper and lower ends of the body and to melt or fracture at a predetermined temperature. The center pin body may also or alternatively include a circuit member positioned inside the center pin and adapted to be short-circuited in the case of overcharging and to consume current.

Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.

Abstract: A polymer of the present invention has a plurality of pendant groups. Each of the pendant groups is constituted of a carboxyl group or a salt thereof, and a group interposed between a main chain and either the carboxyl group or salt thereof. The group interposed between the main chain and either the carboxyl group or salt thereof is: a hydrocarbon group; a perfluorocarbon group; constituted of a hydrocarbon group and at least one of an ester group and a carbonate group; or constituted of a perfluorocarbon group and at least one of an ester group and a carbonate group. A carbonyl carbon included in the carboxyl group or salt thereof is bonded directly to a carbon included in either the hydrocarbon group or the perfluorocarbon group.

Abstract: Provide an electrochemical device offering a large capacity per current collector and a low internal resistance, which is also easy to assemble. Provided is a laminated sheet body 16S by inserting a negative-electrode continuous body 11BW between an adjacent pair of first current collectors 12a, 12a with their first current collector main units 12a1 connected together, and also between an adjacent pair of first current collectors 12a, 12a with their first tabs 12a2 connected together, with respect to a plurality of positive electrodes 11A arranged in the width direction apart from each other, after which the negative-electrode continuous body of the laminated sheet body is cut to the unit width dimension of an element to obtain a plurality of laminated bodies 16.

Abstract: The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Abstract: An outside gasket for insulating a cover from an external terminal to be fixed thereto is readily fixed to the cover irrespective of a simple structure. A battery includes: a battery case which contains a power generating element therein and whose top surface is opened; a cover which closes the top surface; at which an external terminal exposed to the outside is disposed at the outer surface of the cover via an outside gasket, the cover having an engagement portion which expands outward and is formed into a shape except a circle, and the outside gasket having a recess to be engaged to the engagement portion.

Abstract: A rechargeable battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first collector plate electrically connected to the first electrode plate and including a fuse unit therein; a second collector plate electrically connected to the second electrode plate; and a case housing the electrode assembly, the first collector plate, and the second collector plate, the fuse unit being formed of a first material, and regions of the first collector plate other than the fuse unit being formed of a second material different from the first material.

Abstract: A useful lifetime of an energy storage device can be extended by providing a series connection of a battery cell and an self-programming fuse. A plurality of series connections of a battery cell and an self-programming fuse can then be connected in a parallel connection to expand the energy storage capacity of the energy storage device. Each self-programming fuse can be a strip of a metal semiconductor alloy material, which electromigrates when a battery cell is electrically shorted and causes increases in the amount of electrical current therethrough. Thus, each self-programming fuse is a self-programming circuit that opens once the battery cell within the same series connection is shorted.

Abstract: A compact implantable medical assembly is comprised of a medical device connected to an electrochemical cell. The medical device is comprised of a housing enclosing at least one electrical circuit and including an end having a perimeter edge and a contact opening therethrough. The electrochemical cell is comprised of a casing having a sidewall extending to a distal end and a proximal end forming a proximal opening. The proximal casing end is joined to the medical device housing. A glass-to-metal seal supports a terminal pin extending from within the casing through the proximal casing opening and through the contact opening in the end of the housing. The terminal pin is connected to the electrical circuit contained within the housing. That way the cell serves as the power source for the medical device with both the cell and medical device being exposed to body fluid.

Abstract: The present invention relates to methods for forming one or more thin film layers on a substrate, to form a multilayer product such as a lithium battery cell. The method involves passing a gas stream comprising at least one doping agent and at least one entrained source material through a plasma; impinging the gas stream on a substrate; and reactively depositing the at least one doping agent, and the at least one entrained source material on the substrate. The present invention provides a method of fabricating a power cell having a plurality of layers, and a method of fabricating a battery by electrically connecting a current collecting layer of a first power cell to a current collecting layer of a second power cell.

Abstract: Electrochemical cells having desirable electronic and ionic conductivities, and associated systems and methods, are generally described.

Abstract: Provided is a secondary battery including an electrode assembly, a case accommodating the electrode assembly, a cap assembly, and an electrode terminal electrically connected to the electrode assembly. The cap assembly includes a cap plate disposed over an upper opening of the case. The electrode terminal protrudes outwardly from a terminal hole of the cap plate. The electrode terminal includes a collecting terminal extending through the terminal hole of the cap plate, a terminal plate coupled with the collecting terminal, and a coupling terminal coupled with the terminal plate. The cap plate includes a short-circuit hole therein. The short-circuit hole is at a position corresponding to a position of the coupling terminal. A short-circuit member covers the short-circuit hole.

Abstract: An electrochemical cell is provided. The electrochemical cell comprises a cathode compartment, wherein a metal in a solid form is disposed in the cathode compartment. The electrochemical cell further comprises a separator, an anode compartment, and at least one contact device disposed in the cathode compartment or in the anode compartment. The contact device is suspended from the top of the electrochemical cell in the cathode compartment or in the anode compartment. The electrochemical cell is in a ground state. An electrochemical cell during its working is also provided. Methods for using and manufacturing the electrochemical cell are also provided. The electrochemical cell is used to determine a state-of-charge of a source.

Abstract: A battery terminal includes an outer terminal segment, the outer terminal segment being made of a first conductive material; an inner terminal segment being made of a second conductive material different from the first conductive material and having an upper end connected to a lower end of the outer terminal segment forming a connection portion between the upper end of the inner terminal segment and the lower end of the outer terminal segment, and a protection member around the connection portion. With the battery terminal according to an embodiment of the present invention into batteries, adjacent batteries can be connected together more reliably.

Abstract: Method for monitoring an electrochemical cell or a battery (1), in particular method for monitoring the first charging of an electrochemical cell or of a battery (1) of Li-ion type, comprising a step of acquiring data relating to acoustic emissions produced in the electrochemical cell or in the battery and, by using the data acquired, a step of detecting: the formation of a passivation film on an electrode of the electrochemical cell or of the battery; and/or the first storage of lithium in an electrode of the electrochemical cell or of the battery.

Abstract: The mobile radio unit (phone, smartphone) comprises body 16 with an incorporated processor 1. The processor 1 is connected with memory 2, display 3, audible alarm aids 4, keyboard 5, power unit 6, navigator 9, and transceiver 15. The radio unit is equipped with radiation detector 8, electronic amplifier 7 and interface 10 connected to the processor 1. The detector 8 provides measuring alpha-, beta-, gamma- and neutron emissions and solar radiation levels. The processor 1 is provided with software, which ensures both communication functions and control, warning of exposure levels, measuring background radiation, building diagrams illustrating state of human organs. The keyboard 5 comprises keys for dosimeter and/or radiometer mode control. The detector 8, the interface 10 and the amplifier 7 can be placed in the mobile unit body 16 or in separate detachable unit. Thus, there was constructed an efficient mobile unit, which ensures an extended functionality.

Abstract: A battery module includes a cooling tube through which cooling air passes, a unit battery installed on the cooling tube, and a temperature adjusting unit installed on the cooling tube to adjust a temperature of the unit battery.

Abstract: A valve regulated lead-acid (VRLA) battery having a plurality of stacked, interconnected spiral-wound cells. Each cell has a length (L) less than a diameter (D) and each cell has a non-conductive case containing spiral-wound positive and negative plates, a separator between the plates, an acidic electrolyte, and a positive post and a negative post disposed through the case for electrical connection to an adjacent cell in series.

Abstract: A secondary battery including: an electrode assembly; a case containing the electrode assembly; a cap plate sealing an opening of the case; an electrode terminal protruding outside the case; and a collector electrically connected between the electrode assembly and the electrode terminal, wherein the collector includes a first collecting part coupled to the electrode terminal and including a first coupling portion, and a second collecting part coupled to the electrode assembly and including a second coupling portion, the first coupling portion being coupled to the second coupling portion, and wherein one of the first and second coupling portions includes a protrusion part, and the other of the first and second coupling portions includes an accommodation part, the protrusion part being received in the accommodation part.

Abstract: In a sealed battery, a metal current carrying block 24A having a protrusion 24b on each of the two opposing faces is placed between positive or negative electrode substrate exposed portions that are divided into two so as to bring the protrusion 24b on each of the two opposing faces into contact with the positive or negative electrode substrate exposed portions that are stacked, a pair of electrodes 31 and 32 for resistance welding are brought into contact with positive electrode collector members 16 or negative electrode collector members that are each placed on the outermost surfaces of the positive electrode substrate exposed portions 14 or negative electrode substrate exposed portions, and resistance welding is performed with pressure applied between the pair of electrodes 31 and 32 for resistance welding.

Abstract: A lithium secondary battery 100 provided by this invention has electrodes 30 and 40 configured in a structure in which active material layers 34 and 44, including active materials and binders, are held by collectors 32 and 42. The active material of at least one of the positive electrode 30 and the negative electrode 40 of the electrodes is formed from a metal compound which stores and releases lithium ions through conversion reactions. The lithium secondary battery 100 includes a polyimide-base resin as a binder.

Abstract: An electrochemical device includes a first electrode in electrical communication with a first current collector, a second electrode in electrical communication with a second current collector and a crosslinked solid polymer in contact with the first and second electrodes. At least one of the first and second electrodes includes a network of electrically connected particles comprising an electroactive material, and the particles of one electrode exert a repelling force on the other electrode when the first and second electrodes are combined with an uncrosslinked precursor to the solid polymer.

Abstract: The present invention relates to an electrode assembly of a porous structure and a secondary battery including the same. In an electrode assembly including a plurality of anodes, cathodes, and separators, the present invention provides a secondary battery including an electrode assembly including one or more through holes, and a passing sealing portion supplementarily sealed on positions corresponding to the through holes. The secondary battery according to the present invention may prevent the inner short and increase safety by including the fused portion of an electrode assembly and a battery case, stably fixing them, and holding back the movement of the electrode assembly. In addition, the present invention has an effect of being capable of greatly enhancing impregnation on electrolyte since the electrode assembly has a porous structure.

Abstract: The disclosure discloses a method for manufacturing a battery shell applicable to an electronic device. The method includes providing a metal substrate, a metal implanting component including a connecting part disposed thereon; bonding the metal implanting component to the metal substrate; and forming a plastic component on the metal substrate by an insert molding process. The plastic component covers the metal implanting component. By bonding the plastic component to the bonding part of the metal implanting component, the bonding strength is enforced.

Abstract: A secondary battery, including a bare cell provided with coupling portion, a protection circuit module provided with a circuit board, and connecting member electrically connecting the bare cell to the protection circuit module. The coupling portion has a contact recess. The protection circuit module is adapted to control the charging/discharging of the bare cell. the connecting member has a bare cell connecting portion. The bare cell connecting portion has an insertion portion inserted into the contact recess.

Abstract: A magnesium battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes an inter-metallic compound of magnesium and antimony. The active material also includes antimony or an alloy of bismuth and antimony.

Abstract: The present invention relates to a rechargeable battery and, more particularly, to a rechargeable battery for preventing detachment due to deformation of a resin member by strengthening the fixing force of the resin member connecting a bare cell with a protection circuit module. The rechargeable battery according to the present invention includes a bare cell provided with a cap plate; a protection circuit module; and a resin member, wherein the rechargeable battery further includes a reinforcing member composed of a support plate part connected to one side of the cap plate and provided with a rivet through-hole; a resin fixing part integrally formed with one end of the support plate part, and bent at a certain angle in the direction of the protection circuit module and protruded therefrom; and a rivet connecting part fixing the support plate part to the cap plate by perforating the rivet through-hole.

Abstract: A battery label having a black appearance and exhibiting flame retardancy properties is described.

Abstract: A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure. Preferably, the CID includes a first conductive plate and a second conductive plate in electrical communication with the first conductive plate, the electrical communication between the first and the second conductive plates being interrupted at the minimal threshold internal gauge pressure. The first conductive plate can include a frustum having a first end and a second end, a base extending radially from a perimeter of the first end of the frustum, and an essentially planar cap sealing the second end of the frustum. The first end has a broader diameter than the second end, and the second conductive plate is in electrical contact with the essentially planar cap through a weld.

Abstract: A negative electrode plate for a nonaqueous electrolyte secondary battery, which includes a collector, and an electrode active material layer that is arranged on the collector. The electrode active material layer contains a negative electrode active material, and a metal oxide or an elemental metal. The negative electrode active material is firmly affixed onto the collector by the metal oxide or elemental metal.

Abstract: Disclosed herein is a stacking or stacking/folding type electrode assembly of a cathode/separator/anode structure, wherein the electrode assembly is constructed in a structure in which tabs (electrode tabs), having no active material applied thereto, protrude from electrode plates constituting the electrode assembly, electrode leads are located at one-side ends of the stacked electrode tabs such that the electrode leads are electrically connected to the electrode tabs, and the electrode leads, joined to the electrode tabs, have rounded ends. An electrochemical cell including the electrode assembly is also disclosed.

Abstract: A housing (610, 620) for a button-type battery (?) includes a cavity with resilient conductive terminals (300, 400) therein and a door (500) opposite the terminals (300, 400). When a battery (?) is pushed inside the cavity and the door (500) is moved to its closed position, the resilient terminals (300, 400) hold the battery (?) in place, applying a force urging the battery (?) against the door (500) to better maintain electrical contact. When the door (500) is moved to its open position, the resilient terminals (300, 400) push the battery (?) at least one fifth of its diameter out of the cavity, so a user can pull out the battery (?) by hand and change the battery (?) easily.