Abstract: The present disclosure provides a lithium-rich negative electrode plate, an electrode assembly and a lithium-ion battery, the lithium-rich negative electrode plate comprises a negative electrode collector and a negative electrode film, the negative electrode film is provided on a surface of the negative electrode collector and comprises a negative electrode active material, the lithium-rich negative electrode plate further comprises a layer of lithium metal provided on a surface of the negative electrode film. The negative electrode film further comprises a cyclic ester which is capable of forming a film on the negative electrode plate, a dielectric constant of the cyclic ester is larger than or equal to 10, and a reduction potential of the cyclic ester relative to Li/Li+ is lower than or equal to 1.5V.

Abstract: An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed and has same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, and an auxiliary unit disposed on at least one among an uppermost part or a lowermost part of the cell stack part. The one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked, and each of the at least two kinds of radical units are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure.

Abstract: A battery pack includes: a plurality of battery modules each including a plurality of battery cells arranged side by side in a first direction; and a cooling mechanism having passages arranged adjacent to the plurality of battery modules to conduct a heat transfer medium to cool the plurality of battery modules, the cooling mechanism including: a plurality of inflow tubes arranged adjacent to a center line extending through centers of the plurality of battery modules in the first direction, the plurality of inflow tubes having first distal ends to receive heat transfer medium and second distal ends to discharge heat transfer medium; and a plurality of outflow tubes connected to the second distal ends of the plurality of inflow tubes to discharge heat transfer medium therefrom, the plurality of outflow tubes being disposed in a position further outwardly from the center line than the plurality of inflow tubes.

Abstract: A battery module includes a plurality of batteries and at least one spacer disposed between adjacent batteries among the plurality of batteries. The spacer includes at least one reflection layer which reflects at least 60% of an electromagnetic wave having a wavelength of 0.7 to 3 ?m. The at least one reflection layer faces to one of the adjacent batteries.

Abstract: A battery pack includes a plurality of battery cells, a pack case partitioning an interior volume into a plurality of accommodation spaces capable of accommodating at least portions of the plurality of battery cells, a cooling mat disposed to contact upper surfaces of the plurality of battery cells inside the pack case, and an air cushion disposed perpendicular to the cooling mat and mounted to inner walls of the pack case along a front and rear direction.

Abstract: Aspects relate to systems and methods for manufacture of a battery pack including a metal case circumscribing an inner volume circumscribed on all but one open side, where the case additionally includes a sealing rim positioned at least partially about the open side, a first component that includes at least two or more sides of the case, and a second component that includes at least one other side of the case, at least a battery module installed within the inner volume of the case, and an inner panel installed within the inner volume, between the case and the at least a battery module. In some aspects, sealing rim, first component, and second component are all joined together by welding.

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: A battery module includes a battery stack having a plurality of batteries that are stacked and a heat transfer suppression member disposed between adjacent two of the batteries, a heat conductor that extends in stacking direction X of the batteries and is adjacent to the battery stack, and a heat absorber that intervenes between the battery stack and the heat conductor and contains an endothermic agent that is to start endothermic reaction at a temperature higher than or equal to a predetermined temperature.

Abstract: A counterholder for supporting at least a first of two boundary surfaces, between which a medium is arranged, via which a first compressive force acting on the first boundary surface and a second compressive force acting on the second boundary surface and directed counter to the first compressive force are exerted, at least temporarily. The counterholder has a shell of elastically deformable design at least in one contact area for positioning at a boundary element, which provides the first boundary surface on a contact side opposite the first boundary surface, and within which, a non-Newtonian, shear-thickening fluid is arranged.

Abstract: A secondary battery that includes a partial electrode assembly having a planar stacking structure in which a plurality of electrode constituting layers are stacked, the plurality of electrode constituting layers each include a pair of electrodes and a separator therebetween, and at least one of the pair of electrodes includes a double-sided electrode having an electrode material layer on opposed main surfaces of a current collector; and an outermost layer electrode surrounding the partial electrode assembly along at least a portion of a contour of the partial electrode assembly in a cross-sectional view thereof, the outermost layer electrode including a single-sided electrode having an outermost electrode material layer on one main surface of an outermost current collector.

Abstract: According to the present disclosure, there is provided an electrode assembly comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined.

Abstract: A cooling device for battery cells assembled to form a module, having a base body and an insert which has receptacles for an end portion of the battery cells with recesses in the cell head. The insert together with the base body delimits a flow channel for a temperature control fluid A cooling device of this type permits operationally reliable accommodation of the battery cells with low manufacturing costs and high temperature control performance, without having to take manufacturing tolerances into account in advance. The receptacles form a fluid-tight membrane which encloses the end portion of the battery cells, which membrane is deformable for tolerance compensation of the individual battery cells and rests against the cell bottom when the flow channel is filled.

Abstract: Provided is a fuel cell system including a fuel cell, a radiator that is provided in a circulation path of coolant that cools the fuel cell, a spray unit that sprays, toward the radiator, generated water that has been generated in and discharged from the fuel cell, and a heating unit that is provided in a supply path of the generated water from the fuel cell to the spray unit and heats the generated water.

Abstract: A resin current collector provides means for improving the cycle characteristics in a lithium ion battery and includes a polyolefin resin, and a conductive carbon filler. The total surface area of the conductive carbon filler contained in 1 g of the resin current collector is 7.0 m2 or more and 10.5 m2 or less.

Abstract: A battery module includes a cell stack having pouch-type battery cells provided to stand side by side and stacked in a horizontal direction, and a module housing configured to accommodate the cell stack. The module housing includes a lower plate provided in a rectangular plate form to support the cell stack at a lower portion of the cell stack; and a first left pressing plate and a first right pressing plate having elasticity and extending upwards at both side edge regions of the lower plate, which are provided side by side, to form an acute angle with respect to a vertically upper direction so that a gap between the first left pressing plate and the first right pressing plate becomes narrowed upwards. The first left pressing plate and the first right pressing plate are elastically biased to press both side surfaces of the cell stack.

Abstract: A lithium- or sodium-ion battery anode layer, comprising a phosphorus material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene or a non-pristine graphene material; (b) the phosphorus material contains particles or coating of P or MPy (M=transition metal and 1?y?4) and is in an amount from 20% to 99% by weight based on the total weight of the graphene foam and the phosphorus material combined, and (c) the multiple pores are lodged with particles or coating of the phosphorus material. Preferably, the solid graphene foam has a density from 0.01 to 1.7 g/cm3, a specific surface area from 50 to 2,000 m2/g, a thermal conductivity of at least 100 W/mK per unit of specific gravity, and/or an electrical conductivity no less than 1,000 S/cm per unit of specific gravity.

Abstract: A battery pack includes first and second battery modules arranged in a first direction. In the first battery module, a first heat transfer part and a first heat insulator are disposed between battery cells adjacent in a second direction orthogonal to the first direction. In the second battery module, a second heat transfer part and a second heat insulator are disposed between battery cells adjacent in the second direction. The first heat transfer part constitutes a part of a heat transfer component that is put across and connected to both the first and the second battery modules. The first heat transfer part is connected to one of the battery cells in the first battery module so as to enable heat transfer. The second heat transfer part constitutes another part of the heat transfer component and is connected to one of the battery cells in the second battery module.

Abstract: The application discloses a battery pack, vehicle and control method for alleviating thermal runaway spreading of a battery pack. The battery pack includes a plurality of secondary batteries and a spray pipeline. A housing of the secondary battery includes a weakened portion, so that a heat flow resulting from thermal runaway of the secondary battery is able to break through the weakened portion to be discharged. The spray pipeline is corresponding to weakened portions of the secondary batteries and is arranged at a spacing B from the weakened portions of the secondary batteries. At least a portion of the spray pipeline corresponding to the weakened portions is a breakthrough region which is able to form an opening under an action of the heat flow. The spray medium in the spray pipeline is sprayed to a secondary battery in thermal runaway via the opening.

Abstract: The present application provides a battery module, which includes: a plurality of batteries, each battery including a top cover, and a first electrode terminal, a second electrode terminal and an explosion-proof valve being disposed on the top cover in a width direction; and a first heat exchange plate including: a first main body portion and a first bending portion bending from an upper side of the first main body portion to the plurality of batteries in the width direction; the first bending portion covers explosion-proof valves of at least some of the batteries in the width direction, a flow channel for flow of a heat exchange medium is disposed in the first bending portion, and the first bending portion is configured to be capable of leaking the heat exchange medium in the flow channel after being melted.

Abstract: A battery pack for an electric truck includes a box shaped outer housing, a stack of battery modules accommodated inside the outer housing comprising at least one thermal plate and several battery modules arranged in thermal contact with the at least one thermal plate for heating and/or cooling of the at least one battery module and at least one support element being arranged at least partially between the stack of battery modules and the outer housing including at least partially a porous material and supporting the battery stack with respect to the outer housing.