Abstract: According to the present disclosure, there is an electrode for a lithium sulphur cell. The electrode comprises a matrix deposited on a current collector, wherein the matrix comprises an electrically conductive material, an electroactive sulphur material and a binder comprising a polymer that is crosslinked to form a crosslinked polymer network.

Abstract: A battery module assembly, a battery pack, and a device using a battery as a power source are provided. The battery module assembly includes: at least two battery modules arranged along a first direction, each of the battery modules including a plurality of battery cells, and a shell side wall of the battery cell including two oppositely arranged first side walls and two oppositely arranged second side walls, an area of the first side wall being larger than that of the second side wall, and the first side wall being perpendicular to the first direction; and a cooling plate arranged between two adjacent battery modules, and configured to perform heat exchange with the first side walls of the battery cells of the two adjacent battery modules. The battery pack includes the battery module assembly. The device using a battery as a power source includes the battery pack.

Abstract: A doped cathode material for lithium-ion batteries is disclosed. Methods and systems are further provided for doping a cathode material for use in a lithium-ion battery. In one example, the doping may be a dry surface doping process. In some examples, dopants may stabilize a crystal structure of the cathode material and may result in fewer side reactions with an electrolyte as compared to an undoped cathode material. As such, cycling performance and capacity retention may be improved relative to the undoped cathode material. Further, in some examples, the doped cathode material produced with the dry surface doping process may have improved cycling performance and capacity retention relative to a comparable doped cathode material produced with a wet surface doping process.

Abstract: The present application discloses a positive electrode active material, a positive electrode plate, a lithium-ion secondary battery, and an apparatus. The positive electrode active material satisfies a chemical formula Li1+x(NiaCobMnc)1?dMdO2?yAy, wherein M is one or more selected from Zr, Sr, B, Ti, Mg, Sn and Al, A is one or more selected from S, N, F, Cl, Br and I, ?0.01?x?0.2, 0.12?b/c?0.9, 0.002?b×c/a2?0.23, a+b+c=1, 0?d?0.1, and 0?y?0.2; and an interval particle size distribution curve of the positive electrode active material has a full width at half maximum DFW of from 4 ?m to 8 ?m. The positive electrode active material provided in the present application has relatively low cobalt content and relatively high cycle life and capacity performance.

Abstract: A method for assembling a battery including: providing an end plate having at least one through cell for an accumulator and at least one adhesive injection orifice distant from the cell, the adhesive injection orifice being in fluidic communication via a supply channel with a recess of an inner wall of the cell, placing the accumulator in the cell, injecting adhesive through the injection orifice, the adhesive flowing in the channel up to the recess, the accumulator being bonded to the end plate by the adhesive contained in the recess.

Abstract: A cell holder for at least two battery cells includes at least two battery-cell receivers, each battery-cell receiver configured to receive a single battery cell. The battery-cell receivers each including a rigid region and a flexible region. The flexible region is arranged partially or entirely in the rigid region.

Abstract: A vehicle includes an energy storage system, a battery cooling system, and a thermal event management system. The energy storage system includes a battery arranged within a battery housing. The battery cooling system includes a first conduit positioned internal to the battery housing and adjacent the battery. The first conduit is configured to facilitate circulating a first fluid through the battery housing to thermally regulate the battery. The thermal event management system includes a second conduit with a fluid diverter positioned therealong. The second conduit is positioned adjacent to at least one of the battery or the battery housing. The second conduit is configured to receive a second fluid. The fluid diverter is configured to facilitate selectively providing fluid communication between the second conduit and the battery housing so that the second fluid flows out of the second conduit and at least one of into or around the battery housing.

Abstract: One aspect of the present invention is an energy storage device including a positive electrode containing: first positive active material particles containing a metal element capable of forming a conductive metal oxide; and second positive active material particles not containing the metal element, in which the first positive active material particles include a nickel-cobalt-manganese-containing lithium-transition metal composite oxide containing lithium, nickel, cobalt, and manganese as constituent elements, and the first positive active material particles are larger in median diameter than the second positive active material particles.

Abstract: A separator and an electrochemical device including the same. The separator includes an adhesive layer including first adhesive resin particles having an average particle diameter corresponding to 0.8-3 times of an average particle diameter of the inorganic particles and second adhesive resin particles having an average particle diameter corresponding to 0.2-0.6 times of the average particle diameter of the inorganic particles, wherein the first adhesive resin particles are present in an amount of 30-90 wt % based on a total weight of the first adhesive resin particles and the second adhesive resin particles. The separator shows improved adhesion to an electrode and provides an electrochemical device with decreased increment in resistance after lamination with an electrode.

Abstract: A composite electrolyte membrane according to the present disclosure includes a phase change layer on a surface in contact with an electrode, for example, a positive electrode. The phase change layer includes a filler, and a physically isolated area between the positive electrode and the composite electrolyte membrane, known as a dead space, is filled with the filler that is liquefied by heat resulting from the increased internal temperature of the battery, thereby reducing the interfacial resistance between the electrolyte membrane and the electrode.

Abstract: An additive for battery electrolyte, the additive at least including a structure represented by formula I or formula II as shown below, in formula I, R1 and R2 are independently selected from silicon-containing groups, and X is selected from organic groups with carbon atoms of 2 to 20; and in formula II, R1 and R2 are independently selected from silicon-containing groups, and X1 and X2 are independently selected from organic groups with carbon atoms of 2 to 20.

Abstract: A secondary battery includes a positive electrode plate and an electrolyte solution. The positive electrode plate includes a positive current collector and a positive electrode film provided on at least one surface of the positive current collector. The positive electrode film includes a positive electrode active material and a lithium supplement.

Abstract: A device is described for making independent contact with two battery cells, having a basic body comprising a through-opening (6). To enable not only an easier, modular assembly process, but also a quick replacement of individual battery cells, it is suggested that the basic body (1) comprises two receiving bodies (2,3) positioned opposite to the through-opening (6) for circumferential taking hold of one end portion each of the battery cells inserted in the receiving bodies (2,3) in a joining direction, wherein a contact spring (7) is inserted in a guide corridor (9) of the first receiving body (2) which leads into the through-opening (6) for bonded connection of the contact spring (7) with the battery cell inserted in the second receiving body (3), and that the contact spring (7) forms contact tongues (8) for releasable connection of the battery cell inserted in the first receiving body (2).

Abstract: A bus bar module includes a circuit body, a bus bar, a holder, and a cover configured to be assembled to the holder to protect the circuit body and the holder. The circuit body includes a belt-like main line that extends in a first direction, a belt-like branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position closer to a distal end of the branch line than a folded portion the branch line. The cover is structured so as to be stretchable and shrinkable in the first direction in accordance with a stretching and a shrinking of the holder in the first direction.

Abstract: A nickel-based active material precursor for a lithium secondary battery includes: a secondary particle including a plurality of particulate structures, wherein each particulate structure includes a porous core portion and a shell portion, the shell portion including primary particles radially arranged on the porous core portion; and the secondary particle has a plurality of radial centers. When the nickel-based active material precursor is used, a nickel-based positive active material having a short lithium ion diffusion distance, in which intercalation and deintercalation of lithium are facilitated, may be obtained. A lithium secondary battery manufactured using the positive active material may exhibit enhanced lithium availability, and may exhibit enhanced capacity and lifespan due to suppression of crack formation in the active material during charging and discharging.

Abstract: According to an embodiment of the present disclosure, a battery module includes: a cartridge including an accommodation space therein; a plurality of battery cells placed in the accommodation space; a cooling unit configured to cool the battery cells; and a heat exchange unit configured to exchange heat with the cooling unit, wherein the heat exchange unit includes: a heat exchange chamber having an inner space; a lower cooling flow path located in the heat exchange chamber and through which a cooling fluid flows; an upper cooling flow path located above the lower cooling flow path and through which the cooling fluid supplied from the lower cooling flow path flows; and a connection flow path configured to supply the cooling fluid flowing in the lower cooling flow path to the upper cooling flow path.

Abstract: An assembly arrangement of solid oxide cells in a fuel cell system or in an electrolyzer cell system is disclosed which includes cells arranged at least to four angles and at least one cell stack formation. At least one substantially plain attachment side of each at least four angled stack formation includes at least one geometrically deviating attachment surface structure in the otherwise substantially plain side between at least two corners of the at least four angled stack formation. At least one flow restriction structure restricts air flows in the cell system to be mounted against the geometrically deviating attachment surface structure of each stack formation to attach at least one cell stack formation in the assembly arrangement. An electrical insulation is arranged to the attachment of the flow restriction structure and the stack formation.

Abstract: An attachment structure for a deformation absorption member of a fuel-cell-stack includes a first raised piece raised from one surface of a base material in a grid pattern, and having an extension portion extending from a proximal end, the extension portion abutting at least one of the cathode side separator or the anode side separator, a second raised piece having a proximal end, and a joint portion formed by partially joining a location between the proximal end of the first raised piece and the proximal end of the second raised piece, proximal end of the first raised piece being adjacent the proximal end of the second raised piece in a second direction that intersects a first direction taken from the proximal end of the first raised piece to an extension portion side, to the at least one of the anode side separator and the cathode side separator.

Abstract: In general, a solid-state electrode includes an electrode composite layer comprising a plurality of active material particles mixed with a solid electrolyte buffer material comprising a first plurality of solid electrolyte particles layered onto and directly contacting a current collector foil, and an electrically non-conductive separator layer comprising a second plurality of solid electrolyte particles layered onto and directly contacting the electrode composite layer. In some examples, an interpenetrating boundary layer is disposed between the electrode composite layer and the electrically non-conductive separator layer. In some examples, the electrode composite layer includes one or more conductive additives intermixed with the plurality of active material particles, and the electrode composite layer is electrically conductive. In some examples, the electrode composite layer is adhered together by a binder.

Abstract: A positive electrode active material particle includes a core that contains lithium cobalt oxide represented by the following Chemical Formula LiaCo(1-x)MxO2-yAy and a shell that is coated on the surface of the core and contains composite metal oxide of a metal with an oxidation number of +2 and a metal with an oxidation number of +3. In particular, M is at least one selected from the group consisting of Ti, Mg, Zn, Si, Al, Zr, V, Mn, Nb and Ni. A is oxygen-substitutional halogen and 1.00?a?1.05, 0?x?0.05, and 0?y?0.001.