Abstract: A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode.

Abstract: A battery module includes an outer case having a receiving space defined therein, an inner case having a cavity defined therein, the inner case being in the receiving space of the outer case, a plurality of unit battery packs in the cavity of the inner case, and an elastic buffer between the inner case and the outer case.

Abstract: A battery disconnect unit for selectively coupling a battery pack to a load is provided. The unit includes a base portion that holds first and second contactors, a pre-charging relay, and a charging relay, thereon. The unit further includes a circuit board having first, second, third and fourth bus bars disposed thereon. The first and second bus bars are coupled to first and second terminals, respectively, of the first contactor. The first bus bar is further coupled to the battery pack, and the second bus bar is further coupled to the load. The third and fourth bus bars are coupled to third and fourth terminals, respectively, of the second contactor. The third bus bar is further coupled to the battery pack, and the fourth bus bar is further coupled to the load.

Abstract: [Object] To prevent elements in a pack main body and an electronic apparatus from malfunctioning even if the pack main body having an outer shape line-symmetric in up and down directions and left- and right-hand directions is incorrectly attached. [Solving Means] There are provided a pack main body 11 installing the battery cell 29 and a terminal portion 12 constituted of a plus terminal 12a, a minus terminal 12b, and a control terminal 12c that are provided on a front surface 11c of the pack main body 11. The plus terminal 12a, the minus terminal 12b, and the control terminal 12c are provided so as to be deviated to one end portion 11f in a width direction of the front surface 11c and arranged in an order of the plus terminal 12a, the control terminal 12c, and the minus terminal 12b.

Abstract: A bipolar battery may include a substrate having a matrix made of a thermoset polymer formed from a liquid precursor. One or more conductive pellets can be disposed in the matrix to provide electrical connection between opposite sides of the matrix. Each conductive pellet has a characteristic thickness that is greater than a thickness of the matrix. Each of the one or more conductive pellets protrudes beyond first and second surfaces of the matrix.

Abstract: A secondary battery including a case having an opening; an electrode assembly housed in the case; at least one current collector coupled to an uncoated portion of the electrode assembly and forming an electrode terminal, wherein the case has a coupling groove recessed toward the at least one current collector; and a cap plate coupled to seal the opening of the case.

Abstract: An electrolyte injection hole is formed in a current collector extension part between negative and positive active material layers of a quasi-bipolar electrode, and another electrolyte injection hole corresponding to the electrolyte injection hole of the quasi-bipolar electrode is formed in a sidewall of a hollow core around which the electrode is wound, so as to easily inject a predetermined amount of electrolyte into each unit cell of an electrode assembly through an electrolyte injection port and the core. Therefore, simple, reliable, and easy-to-manufacture electrochemical cell can be provided.

Abstract: A solid battery wherein a plurality of battery elements are disposed in a direction intersecting with a stacking direction of the members to constitute the battery element, and an arrangement position of the battery element can be easily determined. The solid battery module includes a plurality of battery elements each provided with a solid electrolyte layer and with a pair of cathode layer and anode layer to sandwich the solid electrolyte layer, wherein the plurality of battery elements are aligned in the direction intersecting with the stacking direction of the solid electrolyte layer, the cathode layer and the anode layer; the solid battery module includes a substrate on which to dispose the plurality of battery elements; and the substrate includes a positioning portion which determines the arrangement position of the plurality of battery elements.

Abstract: Electrodes as well as electrode production methods are provided that can include a substrate with the substrate comprising non-conductive material. Batteries including electrodes of the disclosure are provided. Electricity storage methods are provided that can utilize the electrodes and/or batteries of the disclosure.

Abstract: According to one embodiment, a nonaqueous electrolyte battery is provided. The battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes lithium iron phosphate having an olivine structure as positive electrode active material. The negative electrode includes lithium titanate having a spinel structure and a monoclinic ?-type titanium complex oxide as a negative electrode active material.

Abstract: A battery module including a plurality of battery cells aligned in one direction; and barriers interposed between respective battery cells, wherein the barrier has a shape that crosses at a central portion of the battery cell.

Abstract: The present invention provides an electrode material suitable for use as a cathode in a sodium electrochemical cell or battery, the electrode comprising a layered material of formula NacLidNieMnfMzOb, wherein M comprises one or more metal cation, 0.24?c/b?0.5, 0<d/b?0.23, 0?e/b?0.45, 0?f/b?0.45, 0?z/b?0.45, the combined average oxidation state of the metal components (i.e., NacLidNieMnfMz) is in the range of about 3.9 to 5.2, and b is equal to (c+d+Ve+Xf+Yz)/2, wherein V is the average oxidation state of the Ni, X is the average oxidation state of the Mn, and Y is the average oxidation state of the M in the material. The combined positive charge of the metallic elements is balanced by the combined negative charge of the oxygen anions, the Na is predominately present in a sodium layer, and the Mn, Ni, and M are predominately present in a transition metal layer.

Abstract: A battery pack includes a housing having at least one coupling recess, a peripheral portion around the at least one coupling recess, and a plurality of cooling passages extending in at least one direction of the at least one coupling recess and within the peripheral portion, and a battery cell housed in the at least one coupling recess.

Abstract: Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; a partition member for partitioning the battery cells; and a casing for containing the battery cells partitioned by the partition member; wherein the material thickness of the casing is set to be larger than the material thickness of the partition member.

Abstract: The present invention features a battery pack, that is provided to supply electricity to a variety of electric parts, such as a drive motor, installed in an environment friendly electric vehicle such as a fuel cell vehicle or a hybrid electric vehicle. Preferably, the battery pack is configured to stack cell assemblies. Each cell assembly includes a cell case. The cell case includes windows in opposite surfaces thereof such that unit cells are exposed, and recesses in opposite long lateral faces thereof such that the windows communicate with an outside. The windows and the recesses define cooling passages between the stacked cell assemblies.

Abstract: A battery includes an electrode assembly having a first electrode plate and a second electrode plate each having an uncoated portion, and a separator located between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly and having an opening; an electrode terminal connected to the electrode assembly and protruding from the case; and a cap assembly comprising a cap plate sealing the opening of the case, wherein the electrode assembly is constructed such that at least one of the uncoated portions of the first and second electrode plates extends along only a portion of the electrode assembly, and wherein the case has a bent portion formed on at least one side to generally correspond to the electrode assembly.

Abstract: A battery pack with phase change materials (PCM). The PCM would improve the heating and cooling capabilities under various vehicle operating conditions. Methods of controlling the temperature in battery packs are also described.

Abstract: A battery pack includes a frame member, first and second lithium ion cells, and an isolation plate. The frame member includes a floor, walls formed perpendicular to the floor, and an aperture defined by the walls. The frame member is formed from an electrically non-conductive plastic. The first lithium ion cell includes a first positive terminal, a first negative terminal, and a first electrically conductive housing. The first positive terminal is electrically connected to the first electrically conductive housing. The second lithium ion cell includes a second positive terminal, a second negative terminal, and a second electrically conductive housing. The second positive terminal is electrically connected to the second electrically conductive housing. The isolation plate directly contacts both the first and second electrically conductive housings and electrically isolates the first electrically conductive housing from the second electrically conductive housing.

Abstract: An electric storage apparatus includes a plurality of electric storage components, and a holder holding each of the electric storage components at both end portions of each of the electric storage components in a longitudinal direction. The holder includes a plurality of guide portions provided within an orthogonal plane orthogonal to the longitudinal direction of the electric storage component and configured to move both end portions of each of the electric storage components toward a predetermined holding position, and an opening portion formed at one end of each of the guide portions and configured to insert the end portion of the electric storage component into the guide portion.

Abstract: A negative electrode active material contains a metal-displaced lithium-titanium oxide of a ramsdellite structure expressed by the formula Li(16/7)-xTi(24/7)-yMyO8 (where M is at least one metal element selected from the group consisting of Nb, Ta, Mo, and W, and x and y are respectively numbers in the range of 0<x?16/7 and 0<y<24/7).

Abstract: A battery set package is disclosed, which comprises: a plurality of battery cells, each being configured with a frame of a specific length that has two terminals defined at the two opposite longitudinal ends of the frame; two brackets, disposed respectively at the two opposite terminals of the frame for allowing the plural battery cells to be sandwiched between the two brackets; two shells, respectively mounted on the both side of the two brackets; and a plurality of fixtures, for exerting clamping forces in a direction parallel with the longitudinal direction of the frame to the two shells so as to press the two shells to move toward each other and thus fixedly secured the two brackets along with the plural battery cells between the two shells.

Abstract: A battery module includes a plurality of battery cells arranged in one direction, barriers interposed among the plurality of battery cells, a pair of first and second end plates arranged outside the battery cells, and coupling members that couple the first and second end plates, wherein at least one of the barriers includes at least one protrusion that provides a step difference between the protrusion and a surface of the barrier.

Abstract: There is provided a secondary battery including a battery device that has a thickness of 3 to 20 mm, and a battery discharge capacity of 3 to 50 Ah, and an exterior material that packages the battery device. The battery device includes a positive electrode that has a positive electrode current collector and a positive electrode active material layer, a negative electrode that has a negative electrode current collector and a negative electrode active material layer, a separator that is interposed between the positive electrode and the negative electrode that are alternately laminated, a positive electrode tab that is electrically connected to a positive electrode current collector exposed portion and is led-out to the outside of the exterior material, and a negative electrode tab that is electrically connected to a negative electrode current collector exposed portion and is led-out to the outside of the exterior material.

Abstract: The present invention relates to a lithium secondary battery comprising a battery cell formed by stacking a plurality of full cells having a structure of cathode/separator/anode or bicells having a structure of cathode(anode)/separator/anode(cathode)/separator/cathode (anode), as a unit electrode assembly, wherein (i) a cathode active material or (ii) an anode active material or (iii) a cathode active material and an anode active material in two or more unit electrode assemblies are configured to have a different composition to induce a voltage difference and separate electrode terminals are installed in a battery case according to the voltage difference to thereby simultaneously provide two or more voltages by a single battery.

Abstract: In one aspect of the invention, a rechargeable battery has a cathode cavity formed in a cathode housing and a anode cavity in a anode housing. A moveable membrane is disposed between the cathode cavity and the anode cavity. The cathode cavities are filled with an electrolyte.

Abstract: Cell-to-cell connection plates (1) each integrally having a welding part (2) shaped to fall within a circular end of a battery case (7) and a connecting part (2) extending from this welding part (2) are provided. The cell-to-cell connection plates (1) are attached to one electrode terminal and the other electrode terminal of the battery case (7) by welding the welding parts (2), respectively. The connecting parts (3) of the respective cell-to-cell connection plates (1) attached to each adjoining pair of cylindrical batteries (Ba) are overlapped with each other and coupled into electric connection. Consequently, regardless of whether a plurality of cylindrical batteries (Ba) are axially arranged in series or radially juxtaposed, each adjoining two can be connected to each other by using the identical cell-to-cell connection plates (1) for cost reduction.

Abstract: A battery module includes a first set of battery cells stacked in a first direction and a second set of battery cells stacked in the first direction, and the first and second sets of battery cells are arranged in a second direction and face in opposed directions relative to each other. The battery module also includes at least one battery cell holder between adjacent battery cells in at least one of the first and second sets of battery cells stacked in the first direction. The battery cell holder includes an insulating plate between the adjacent battery cells in the at least one of the first and second sets of battery cells stacked in the first direction, and a plurality of guides protruding from edges of the insulating plate to extend in the first direction over the adjacent battery cells in overhanging relationship therewith.

Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.

Abstract: One embodiment includes a bottom clamshell and a top clamshell sandwiching a first battery and a second battery, with a fill port extending from a top surface of the top clamshell through to the bottom surface of the top clamshell and to a space between the first and second batteries. The embodiment includes a protrusion coupled to the top clamshell proximate to the fill port and extending into the space, wherein the protrusion at least partially occludes a direct path through the fill port to the space.

Abstract: A modular battery includes a housing, a first planar battery cell having a first planar electrode surface, a second planar battery cell having a second planar electrode surface, and an interconnector disposed between the first planar surface and the second planar surface and electrically connecting the first and second planar electrode surfaces, side peripheries of the interconnector, the first and second planar battery cells being electrically insulated from the housing. A method is also provided.

Abstract: An isolated salt comprising a compound of formula (H2X)(TiO(Y)2) or a hydrate thereof, wherein X is 1,4-diazabicyclo[2.2.2]octane (DABCO), and Y is oxalate anion (C2O4?2), when heated in an oxygen-containing atmosphere at a temperature in the range of at least about 275° C. to less than about 400° C., decomposes to form an amorphous titania/carbon composite material comprising about 40 to about 50 percent by weight titania and about 50 to about 60 percent by weight of a carbonaceous material coating the titania. Heating the composite material at a temperature of about 400 to 500° C. crystallizes the titania component to anatase. The titania materials of the invention are useful as components of the anode of a lithium or lithium ion electrochemical cell.

Abstract: A multiple-cell battery includes a battery case and a number of cells positioned in the battery case. Each of the cells includes a positive lead and a negative lead. A number of electrically conductive elastic elements are correspondingly seated between every two adjacent positive leads and/or negative leads. The elastic elements each include at least two contacting portions resiliently abutting against the two adjacent positive leads and/or negative leads, so as to connect the cells in series and/or in parallel.

Abstract: The present invention provides an electrolyte for lithium and/or lithium-ion batteries comprising a lithium salt in a liquid carrier comprising heteroaromatic compound including a five-membered or six-membered heteroaromatic ring moiety comprising carbon atoms and at least one heteroatom forming a neutral aromatic ring, the at least one heteroatom being selected from a Group V element (preferably N) and a Group VI element (preferably O or S), the heteroaromatic ring moiety bearing least one carboxylic ester or carboxylic anhydride substituent bound to at least one carbon atom of the heteroaromatic ring. Preferred heteroaromatic ring moieties include pyridine compounds, pyrazine compounds, pyrrole compounds, furan compounds, and thiophene compounds.

Abstract: A cathode composition is provided. The cathode composition includes at least one electroactive metal, wherein the electroactive metal is at least one selected from the group consisting of titanium, vanadium, niobium, molybdenum, nickel, iron, cobalt, chromium, manganese, silver, antimony, cadmium, tin, lead and zinc; a first alkali metal halide; an electrolyte salt comprising a reaction product of a second alkali metal halide and a metal halide, wherein the electrolyte salt has a melting point of less than about 300 degrees Centigrade; and a metal chlorosulfide compound having a formula (I) M1M2p+1SnCl4+3p-2n wherein “M1” is a metal selected from group IA of the periodic table, “M2” is a metal selected from group IIIA of the periodic table, “p” is 0 or 1, and “n” is equal to or greater than 0.5. An article and an energy storage device comprising the cathode composition is provided. A method of forming the energy storage device is provided.

Abstract: Provided is a battery assembly that is lightweight while ensuring sufficient bonding strength that is required between frames, as well as a method of manufacturing the same. The battery assembly includes a plurality of cell units that are integrated together, each of the plurality of cell units including: a cell having a metal case; and a plastic frame that is integrally formed with an outer surface of the case, wherein the cell units are integrated together by having the frames of adjacent ones of the cell units joined together through surfaces thereof.

Abstract: According to one embodiment, a non-aqueous electrolyte secondary battery includes a positive electrode which inserts and extracts lithium, a negative electrode containing a negative electrode material including a porous conductive particle and an active material formed on the surface and/or within the pores of the porous conductive particle and composed of a lithium titanium complex oxide having at least one structure selected from the group consisting of nanotubes and nanowires, the lithium titanium complex oxide being expressed by a general formula LixTiO2 (where 0?x<1), and a non-aqueous electrolyte.

Abstract: Provided is a battery pack that ensures sufficient sealing performance between a tray and a cover by arranging a necessary sealing member between a lower flange portion of the tray and an upper flange portion of the cover that are held in abutment with each other. The tray and the cover covering the tray constitute a packaging case of electric cells. At least a part of a facing surface of at least one of the lower flange portion of the tray and the upper flange portion of the cover that abut each other forms a non-abutting portion that is located apart from the facing surface of the opposite flange portion, and a sealing member is arranged on the non-abutting portion.

Abstract: A battery module (1A) is provided with a battery cell and a case (C). The case (C) houses the battery cell (23). The case (C) includes a first main face, a second main face, a first battery module coupling structure (13A) and a first elastically deforming structure (15A). The first battery module coupling structure (13A) is arranged and configured to retain a first additional battery module (1X) over the first main face. The first elastically deforming structure (15A) is arranged and configured with respect to the first main face to elastically deform inward towards the second main face upon stacking the first additional battery module (1X) onto the first main face while the first additional battery module (1X) is retained to the first main face of the case (C) by the first battery module coupling structure (13A).

Abstract: A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below, LiFe1-xMxP1-ySiyO4??(1), where: an average valence of Fe is +2 or more; M is an element having a valence of +2 or more and is at least one type of element selected from the group consisting of Zr, Sn, Y, and Al; the valence of M is different from the average valence of Fe; 0<x?0.5; and y=x×({valence of M}?2)+(1?x)×({average valence of Fe}?2). This provides a cathode active material that not only excels in terms of safety and cost but also can provide a long-life battery.

Abstract: A battery module includes a plurality of rectangular cells, holders, first and second end plates and joining members. The joining members join the first and second end plates to fasten the plurality of rectangular cells and the holders to be a single unit. Ends of the joining members are fastened to first securing parts and second securing parts on the first and second end plates. The first securing parts and the second securing parts are disposed at both ends of a center line that penetrates through centers of the plurality of rectangular cells, the holders, and the first and second end plates. A distance between the center line and each of the first and second securing parts is smaller than a distance between each of the first and second securing parts and each of outermost surfaces of the first and second end plates.

Abstract: An electrochemical battery cell comprising a cell housing defining an inner space, a first terminal and a second terminal; and at least one pre-formed pellet disposed within the inner space of the cell housing. The pellet includes an outer electrode portion formed from a material to geometrically define the pellet in a solid form. The outer electrode portion is in electrical communication with the first terminal of the cell housing. The pellet also includes an inner electrode encapsulated by a separator and embedded within the material of the outer electrode portion. The inner electrode is in electrical communication with the second terminal of the cell housing and electrically insulated from the outer electrode material. In a preferred embodiment, the inner electrode comprises an anode and the outer electrode portion comprises a cathode portion.

Abstract: A battery module and methods for bonding cell terminals of battery cells together are provided. The battery module includes a first battery cell having a first cell terminal, and a second battery cell having a second cell terminal. The battery module further includes an exothermal reactive layer having first and second sides. The first and second sides are disposed adjacent to the first and second cell terminals, respectively. The exothermal reactive layer is configured to ignite to form a bonding joint between the first and second cell terminals in response to a laser beam contacting at least a portion of the exothermal reactive layer.

Abstract: A removable and short-circuit-avoidable lithium battery module mainly makes use of a protective device mounted between a control circuit and any two cells. Wherein, the protective device includes a base plate and a conductive surface connecting with the cell, an output tab connecting with the control circuit, and a protective unit mounted on the conductive surface and the output tab. Whereby, the conductive surface and the output tab have larger areas to respectively link the cell and the control circuit. While connecting with electricity, the cell and the control circuit would be more accurately connected. Moreover, the protective unit would become disconnected while the cell and the control circuit are fell and collided, so as to prevent the cell and the control circuit from the inaccurate connection and destruction. The present invention also facilitates to swiftly replace the protective device while it is damaged and to contribute a convenient utility.

Abstract: Provided are a pouch-type secondary battery having improved safety, and a battery pack including the pouch-type secondary battery. When inner pressure of a pouch is increased by an overdischarge, the pouch is deformed to separate electrode leads from electrode tabs. When the secondary battery is manufactured, an additional material or device is unnecessary. In addition, since the pouch-type secondary battery fundamentally cuts off electric current when gas is generated therein, the service life and safety of the secondary battery can be significantly improved, and the manufacturing costs and the weight thereof can be reduced. Furthermore, the shape of the secondary battery can be easily modified.

Abstract: A positive electrode material for a lithium-ion secondary battery that can stably inhibit heat generation, a lithium-ion secondary battery comprising the positive electrode material for a lithium-ion secondary battery as a positive electrode material that is excellent in safety during charging, and a secondary battery module using the lithium-ion secondary battery are provided. The positive electrode material for a lithium-ion secondary battery of the present invention is characterized in that: a coating layer comprising a phosphate compound and an oxide or fluoride containing A (where A denotes at least one element selected from the group consisting of Mg, Al, Ti, and Cu) is formed on a layered lithium-manganese composite oxide represented by the following formula: LiMnxM1-xO2 (where 0.1?x?0.

Abstract: A battery pack includes: a plurality of batteries; a housing for containing the batteries; and at least one partition plate for separating the batteries from one another. The at least one partition plate includes a metal mesh and a heat insulating layer disposed on each side of the metal mesh. The heat insulating layer includes a foam material capable of foaming at a temperature of 110° C. or more and 200° C. or less, so that the thickness of the heat insulating layer increases when the foam material foams. Even when one of the batteries contained in the battery pack generates abnormal heat, the conduction of the heat to other batteries can be effectively suppressed.

Abstract: According to one embodiment, a nonaqueous electrolyte secondary battery is provided. The battery comprises a positive electrode includes a lithium-nickel complex oxide, a negative electrode includes a lithium-titanium complex oxide and a lithium-containing phosphorous oxide, and a nonaqueous electrolyte.

Abstract: A secondary battery includes an electrode assembly and a can having an opening at one end of the can. The electrode assembly is housed in the can. A cap plate seals the opening. The cap plate includes an electrolyte injection hole. An electrode terminal is coupled to the cap plate electrical connecting the electrode terminal and the electrode assembly. A gasket is located between the electrode terminal and the cap plate to insulate the electrode terminal from the cap plate. A plug seals the electrolyte injection hole, the plug being coated with an elastic film.

Abstract: An apparatus and method provide battery thermal management through the use of a battery cell having an internal cavity and a phase change material (PCM) disposed in the internal cavity of the battery cell. By locating the PCM inside of the battery cell, the entire outer surface of the cell is accessible for direct heat transfer to a heat exchange apparatus.

Abstract: A battery cell for an electric vehicle battery pack, including surface-applied wires to facilitate connecting the cell to a controller. Resistive or non-resistive wiring is printed onto or otherwise applied to the outer surface of the battery cell, to eliminate the need for separate jumper wires routed around or through the battery pack. A surface-applied wire is directly connected to each terminal of the battery cell, and each wire is routed on the outer surface of the cell to a location convenient for connecting a cell monitoring controller. The surface-applied wires can be made of a suitable resistive material, such that the resistance of each wire is known and the wires can be used for dissipating power during cell state of charge equalization. An insulating layer can be applied over the surface-applied wire to minimize the risk of short circuit.