Abstract: Provided is a 5 V class spinel type lithium nickel manganese-containing composite oxide having an operating potential of 4.5 V or more with respect to a metal Li reference potential, wherein the composite oxide is able to improve cycle characteristics while suppressing the amount of gas generated under high temperature environments and, moreover, to improve output characteristics while suppressing a shoulder on discharge at around 4.1 V in a charge and discharge curve. The spinel type lithium nickel manganese-containing composite oxide is represented by a general formula [Li(LiaNiyMnxTibMgzM?)O4-?] (where 0<a, 0<b, 0.30?y<0.60, 0<z, 0??, x=2?a?b?y?z??<1.7, 3?b/a?8, 0.11<b+z+?, 0<z/b<1, 0???0.2, and M represents one or two or more elements selected from the group consisting of Fe, Co, Ba, Cr, W, Mo, Y, Zr, Nb, P, and Ce).

Abstract: The present application discloses a connecting assembly, a battery module, a battery pack, and a device using the battery module as a power supply. The connecting assembly includes a plurality of connecting sheets and an insulating film, where each of the plurality of connecting sheets includes an adjusting portion and a connecting portion, the adjusting portion is configured as a protrusion connected between adjacent connecting portions, the connecting portion is configured to connect a battery cell of the battery module, and the insulating film is disposed on one side of each of the plurality of connecting sheets, and the insulating film is provided with a through hole disposed corresponding to the adjusting portion. Through the solutions in the present application, the problem that the insulating film is wrinkled and torn due to the protrusion is avoided, and the manufacturing efficiency of the connecting assembly can be improved.

Abstract: The present application provides a battery pack and a power consuming device powered by the battery pack. The battery pack includes a battery pack cavity and a plurality of battery cells received in the battery pack cavity. An interior space of the battery pack cavity can be divided into a first region with a temperature change rate of K1 and a second region with a temperature change rate of K2, where 0.066?K1?0.131 and 0.034?K2?0.066, K1 and K2 being expressed in ° C./min. The plurality of battery cells include at least one first battery cell arranged in the first region, and at least one second battery cell arranged in the second region. The battery pack of the present application can reduce or avoid the cask effect at low temperature and improve the energy retention rate at low temperature.

Abstract: A secondary battery includes a battery case, an electrode body, and a collector member connecting the battery case and the electrode body. A positive electrode includes an insulation layer provided so as to be adjacent to a positive electrode active material layer. The collector members include first portions, and second portions continuous to the first portions and bent relative to the first portions. The first portions are fixed to the battery case. The second portions are connected, at ends thereof opposite to the bent portions, to collector regions, respectively. The collector members further include ribs connected, at the bent portions, to the first portions and the second portions, respectively.

Abstract: The present invention provides a process for modifying a Li-ion battery having a region of electrochemical activity and an enclosure therefor, said process comprising forming at least one chamber within said enclosure separate from said region of electrochemical activity, positioning combustion abatement agent within said chamber, whereby said combustion abatement agent is not in contact with said region of electrochemical activity, said chamber being pressure or heat sensitive, whereby when said region of electrochemical activity overheats, said chamber is breached, allowing said combustion abatement agent to contact said region of electrochemical activity to abate combustion of said region of electrochemical activity, wherein exemplary of combustion abatement agent is the composition comprising liquid fluoropolyether and exemplary of the of the chamber exhibiting pressure or heat sensitivity is to include a low melting, non-flammable polymer such as polyvinyl alcohol in the material of construction of the c

Abstract: The present disclosure provides a liquid injection device for injection of electrolytic solution into a bag-shaped film exterior containing a generation element.

Abstract: In an aspect, a battery assembly of an aircraft. A battery assembly is configured to include a first plurality of battery cells, a second plurality of battery cells, and an electrical bridging device. A top of each battery cell of first plurality of battery cells is coupled to a first side of an electrical bridging device. A top of each battery cell of a second plurality of battery cells is coupled to a second side of an electrical bridging device.

Abstract: A method for producing a button cell includes providing a metal cell cup, providing a metal cell top, and providing a first electrode and a second electrode. The first electrode includes a first current collector partially coated with a first active electrode material and having an active material-free region. The second electrode includes a second current collector partially coated with a second active electrode material and having an active material-free region. The method further includes attaching a first metal foil conductor to the active material-free region of the first current collector, attaching a second metal foil conductor to the active material-free region of the second current collector, and forming a cylindrical electrode winding by winding, in a spiral, an electrode assembly. The first and second metal foil conductors extend out of the cylindrical electrode winding from first and second end faces of the cylindrical electrode winding.

Abstract: A battery manufacturing method includes assembling a plurality of flat batteries; and binding a battery stack including the plurality of assembled batteries arranged in one direction by a binding member and blowing cooling fluid on the battery stack through a fluid supplying part to cool the battery stack. The method includes causing cooling fluid discharged from a fluid supplying part through a first discharging part and cooling fluid discharged from the fluid supplying part through a second discharging part to collide and merge together, and then flow outward in the second direction through the apertures.

Abstract: The present invention provides an all-solid state secondary cell equipped with: a positive electrode collector; a negative electrode collector; and a powder laminate placed between the positive electrode collector and the negative electrode collector. The powder laminate has: a positive electrode powder layer; a negative electrode powder layer; and solid electrolyte layers that are placed between the positive electrode powder layer and the negative electrode powder layer, and also cover the outer periphery of the positive electrode powder layer and the negative electrode powder layer. The powder laminate comprises a peripheral edge part, and a center part surrounded by this peripheral edge part. The thickness of the peripheral edge part is the thickness of the center part or greater.

Abstract: A battery housing unit including a lid, a base, and a plurality of electrochemical battery cells. The lid includes at least two channels for receiving at least one post from a military radio. The base includes a locking latch configured to attach to a corresponding catch of a military radio.

Abstract: An immobilized chalcogen system or body includes a mixture or combination of chalcogen and carbon. The carbon can be in the form of a carbon skeleton. The chalcogen can include oxygen, sulfur, selenium, or tellurium, or a combination of any two or more of oxygen, sulfur, selenium, and tellurium. The activation energy for chalcogen to escape the immobilized chalcogen system or body is ?96 kJ/mole.

Abstract: The present invention provides an electrode assembly, which can reduce resistance and improve a process property, a secondary battery including same, and a method for manufacturing same. For example, disclosed is an electrode assembly comprising: a first electrode plate having a first electrode tab attached thereto: a plurality of second electrode plates having second electrode tabs attached thereto, respectively, and a separator interposed between the first electrode plate and the plurality of second electrode plates, wherein the first electrode plate, the separator, and the plurality of second electrode plates are wound in a state of being stacked on one another, and the second electrode tabs are formed to be symmetrical to each other on the basis of a winding center thereof.

Abstract: A thermal management system for the at least one energy cell. The thermal management system includes a cold plate cell holder comprising at least one energy cell reservoir structured to retain the energy cell(s) and surround at least a first portion of a surface of the energy cell(s), and to thermally cool the energy cell(s). The system additionally includes a bus bar header to which one or more bus bar can be physically and thermally connected, and at least one oscillating heat pipe (OHP) cover disposable around a second portion of the surface of the energy cell(s). The OHP cover(s) is/are thermally and mechanically connectable to the cold plate cell holder when disposed around the energy cell(s). The OHP cover(s) is/are structured and operable to thermally cool the energy cell(s) via heat absorption from the second portion of the surface of the energy cell(s) when disposed around the energy cell(s).

Abstract: A pack case includes: a first wall pressing a battery stack toward a second side in a stacking direction; and a second wall pressing the battery stack toward a first side in the stacking direction. At least one of the first wall and the second wall is a panel structure wall including a first metal plate, a second metal plate located outward of the first metal plate in the stacking direction and faces the first metal plate, and an interposed member interposed between and fixed to the first metal plate and the second metal plate. The interposed member has a lower density than a metal forming the first metal plate and the second metal plate.

Abstract: A battery for a motor vehicle includes at least one cell assembly with a large number of battery cells, wherein the battery cells each have a cell housing with a degassing element for discharging a hot gas produced in the cell housing in the event of a fault, a battery housing with housing walls which enclose a receiving space for receiving the at least one cell assembly, and a deactivation device which is arranged in the receiving space of the battery housing and has at least one sleeve which is filled with a combustion-promoting agent, wherein the sleeve, when it is acted on by the hot gas discharged from at least one battery cell, is configured to release the combustion-promoting agent.

Abstract: A battery module includes a plurality of battery cells, and a module case configured to accommodate the plurality of battery cells, the module case being filled with an insulating oil therein to a predetermined height. The insulating oil fills the inside of the module case in an amount covering an entire volume of the battery cells, and the insulating oil is disposed so as to be spaced apart from an inner wall of one side of the module case by a predetermined distance.

Abstract: A battery includes a positive electrode having a first strip shape and a positive electrode lead, and a negative electrode having a second strip shape and a negative electrode lead. First ends of the positive electrode and the negative electrode in a longitudinal direction are on an inner peripheral side, and second ends of the positive electrode and the negative electrode in the longitudinal direction are on an outer peripheral side. The positive electrode lead and the negative electrode lead are extended out from a first end side in a width direction of the positive electrode and the negative electrode, and a first thickness of the positive electrode on the first end side is thinner than a second thickness of the positive electrode on a second end side in the width direction.

Abstract: The present invention concerns a mixture comprising: —lithium bis(fluorosulfonyl)imide; —lithium 2-trifluoromethyl-4,5-dicyano-imidazole; and —lithium hexafluorophosphate; as well as an electrolyte composition comprising said mixture, and their uses.

Abstract: A battery cell is provided. The battery cell includes a tab, an electrode terminal, an adapter for electrical connection between the electrode terminal and the tab. The adapter includes a first connecting portion for electrical connection with the electrode terminal; a second connecting portion for electrical connection with the tab; a third connecting portion for connecting the first connecting portion and the second connecting portion; and a bending portion, the third connecting portion is connected with the first connecting portion by the bending portion and the third connecting portion is connected with the second connecting portion by the bending portion; the third connecting portion includes a reinforcing portion, and the reinforcing portion is located at the connection of the third connecting portion and the bending portion; the minimum distance L from an edge of the reinforcing portion to a center line of the bending portion satisfies: R<L<(R+2).