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POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4614616A1

A positive electrode according to the present invention may comprise: a lithium nickel-based transition metal oxide in the form of at least one of a single particle made of one single nodule, and a quasi-single particle which is a composite of at most 30 nodules; and a positive electrode active material with a D₅₀ of 4.5 to 6.7 µm and a crystal strain of at most 320x10^-6.

POUCH FILM LAMINATE AND SECONDARY BATTERY

Resumen de: EP4614688A1

A pouch film laminate according to the present invention includes a substrate layer, a gas barrier layer, and a sealant layer, which are sequentially stacked, wherein the gas barrier layer includes stainless steel and has a thickness of 50 µm or more, and a thickness of the substrate layer ranges from 10% to 30% of the thickness of the gas barrier layer.

LITHIUM SECONDARY BATTERY

Resumen de: EP4614652A1

The prevent invention provides a lithium secondary battery including a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material, which includes a lithium transition metal oxide represented by Chemical Formula A below, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, and the additive includes a first additive, which includes vinylethylene carbonate.        Chemical Formula A     Li1+xNiaCobMncM<1>dO2+wIn Chemical Formula A, 0≤x≤0.5, a+b+c+d=1, 0.5≤a≤0.7, 0≤b≤0.15, c=1-a-b-d, 0≤d≤0.1, 0≤b/a≤0.2, 1≤a/c≤3, 0≤w≤1, and M<1> is one and more selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo.

COVER PLATE ASSEMBLY AND BATTERY

Resumen de: EP4614684A1

A cover plate assembly (13) and a battery (100) are disclosed. The cover plate assembly (13) includes a cover plate (1), a pole (2) and a connecting sheet (3). The pole (2) is mounted on the cover plate (1). The connecting sheet (3) includes a pole connecting portion (31) and a tab connecting portion (32), and the pole connecting portion (31) is connected to the pole (2). A first insulating member (4) is provided between the pole connecting portion (31) and the cover plate (1), the first insulating member (4) is provided with a hook portion (41) and the pole connecting portion (31) is clamped with the hook portion (41). A crack preventing notch (33) is provided on a position of the pole connecting portion (31) close to the tab connecting portion (32).

BATTERY PACK

Resumen de: EP4614699A1

Provided is a battery pack including a housing and a battery module inside the housing, wherein the housing includes a housing protrusion in the housing and housing ribs extending in different directions from each other from the housing protrusion, and wherein the housing ribs formed in any one housing protrusion may be apart from each other along a circumferential direction of the housing protrusion.

SECONDARY BATTERY SEALING DEVICE AND METHOD OF MANUFACTURING SECONDARY BATTERY BY USING SAME

Resumen de: EP4613462A1

A sealing device according to an embodiment of the present disclosure may include a support unit configured to support one open side portion of a secondary battery in which an electrode assembly is embedded in a case so that the one open side portion faces upward, and a sealing tool including a vertically extended rotating shaft and a rotating body configured to be rotatable about the rotating shaft, and located on at least one side of the one side portion.

AN ENERGY STORAGE SYSTEM FOR A VEHICLE

Resumen de: EP4613539A1

An energy storage system (30) for a vehicle (1) having a center vehicle frame structure (3) extending in the longitudinal direction of the vehicle, the energy storage system (30) comprising: a first battery pack group (130) and a second battery pack group (140) arranged opposite each other on opposite first and second sides (4a, 4b) of the center vehicle frame structure (3); a third battery pack group (150) and a fourth battery pack group (160) arranged opposite each other on opposite first and second sides (4a, 4b) of the center vehicle frame structure (3); and a battery disconnection unit (170) arranged in the center vehicle frame structure (3), each one of the first, second, third and fourth battery pack groups (130, 140, 150, 160) being associated with an electrical interface (181, 182, 183, 184) electrically connecting the corresponding battery pack group (130, 140, 150, 160) to the battery disconnection unit (170). The electrical interfaces (181, 182, 183, 184) of all of the first, second, third and fourth battery pack groups (130, 140, 150, 160) are arranged in a common utility accessing area (190) between the battery pack groups (130, 140, 150, 160).

POUCH-TYPE SECONDARY BATTERY

Resumen de: EP4614692A1

A pouch-type secondary battery according to the present invention includes an electrode assembly, a pouch-type case including a receiving portion for accommodating the electrode assembly and a sealing portion for sealing the receiving portion, an electrode lead connected to the electrode assembly and protruding to the outside of the pouch-type case via the sealing portion, and a lead film disposed between the electrode lead and the pouch-type case, wherein the lead film includes a first layer disposed on the electrode lead, a second layer disposed on the first layer, and a third layer disposed on the second layer, wherein the difference in elastic modulus between two layers selected from the first layer to the third layer is 20% or less of the greatest value among the elastic modulus of the first layer to the third layer.

POSITIVE ELECTRODE, LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE, AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4614585A1

The present invention relates to a positive electrode, wherein the positive electrode includes a current collector; a positive electrode active material layer which is disposed on the current collector and includes a positive electrode active material; and a transfer functional layer which is disposed on the positive electrode active material layer and includes a composite represented by Formula 1, wherein a gas generation amount may be reduced by preventing a cracking phenomenon of the positive electrode active material and capacity characteristics and life characteristics may be excellent by increasing efficiency of overlithiation of the positive electrode.        Formula 1     MaObwherein, M includes at least one selected from the group consisting of iron (Fe), manganese (Mn), cobalt (Co), titanium (Ti), vanadium (V), zirconium (Zr), and nickel (Ni), and a satisfies 1.0≤a≤3.0 and b satisfies 1.0≤b≤4.0.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4614683A1

A battery cell, a battery and an electrical device. The battery cell includes a shell, an electrode assembly and a detection sensor. The shell includes a wall portion, the wall portion being provided with a mounting hole in communication with inside and outside of the shell. The electrode assembly is accommodated inside the shell. The detection sensor includes a sampling module and an encapsulation housing configured to encapsulate the sampling module. At least part of the encapsulation housing is inserted into the mounting hole and blocks the mounting hole. The sampling module is configured to sample an environment inside the shell. In the above manner, the overall volume of the battery cell can be reduced, thereby facilitating the improvement of the volumetric energy density.

BATTERY SYSTEM AND METHOD OF ASSEMBLY AND METHOD OF DISASSEMBLY THE BATTERY SYSTEM

Resumen de: EP4614706A1

The present invention refers to a battery system and methods of assembly/disassembly thereof. A first battery module (20) and a second battery module (20') is inserted in a housing (10), wherein the first battery module (20) and the second battery module (20') each include a plurality of battery cells (22, 22'). The first battery module (20) includes a first spanner plate (30) and the second battery module (20') includes a second spanner plate (30') on at least one among a plurality of side portions of the battery modules (20, 20'), wherein the first battery module (20) and the second battery module (20') are arranged so that the first spanner plate (30) and the second spanner plate (30') form an interface (70) between each other. The first spanner plate (30) and the second spanner plate (30') respectively include at least one vertically extending depression (35, 35') facing each other to form at least one common accommodation space (50-1, 50-2), wherein in the at least one common accommodation space (50-1, 50-2) a rotation spanner member (60-1, 60-2) is positioned extending vertically in the respective common accommodation space (50-1, 50-2), wherein a cross section (62) of the rotation spanner member (60-1, 60-2) includes an elongation in an elongation direction (ED). The rotation spanner member (60-1, 60-2) is oriented such that the elongation direction (ED) of the cross section (62) is perpendicular to the interface (70).

BATTERY MODULE AND BATTERY PACK WITH STRUCTURALLY INTEGRATED ARRANGEMENT FOR SIDE TERMINAL CELLS

Resumen de: EP4614696A1

The present disclosure refers to a type of battery module with a structure providing similar energy densities as cell-to-pack approaches, while allowing for simplified assembling, especially for side-terminal battery cells. Furthermore, the present disclosure relates to a type of battery module with a lightweight design, while at the same time has improved capabilities for load transferring. Moreover, the present disclosure provides a battery pack including such battery modules. Also, the present disclosure provides a method for simple assembling such a battery module.

A BATTERY PACK, A VEHICLE AND A METHOD FOR MANUFACTURING A BATTERY PACK

Resumen de: EP4614636A1

The disclosure relates to a battery pack (1) comprising:- a plurality of prismatic battery cells (2),- a bottom support member (3) having an extension along a longitudinal direction (L) and an extension along a width direction (W) such that it forms a support surface (31) facing upwardly along a height direction (H),- a cooling plate member (4) having an extension along the longitudinal direction (L) and an extension along the height direction (H),- a plurality of transverse wall members (51, 52),wherein the plurality of prismatic battery cells (2) are stacked in separate groups, each separate group comprising a set of prismatic battery cells stacked next to each other with top surfaces (21) facing upwardly in the height direction (H). A vehicle and a method are also disclosed.

POUCH-TYPE SECONDARY BATTERY

Resumen de: EP4614689A1

A pouch type secondary battery according to the present invention includes an electrode assembly, a pouch type case including an accommodation portion for accommodating the electrode assembly and a sealing portion for sealing the accommodating portion, an electrode lead connected to the electrode assembly and protruding to the outside of the pouch type case via the sealing portion, and a lead film disposed between the electrode lead and the pouch type case, wherein the lead film has a multilayer structure and includes a filler layer containing a polypropylene homopolymer and a ceramic filler, and the ceramic filler is contained in an amount of 1 wt% to 14 wt% with respect to a total weight of the lead film.

ELECTROCHEMICAL APPARATUS, ELECTRIC DEVICE, AND MANUFACTURING METHOD FOR ELECTROCHEMICAL APPARATUS

Resumen de: EP4614630A1

An electrochemical apparatus (100), an electric device (200), and a manufacturing method for the electrochemical apparatus (100). In the electrochemical apparatus (100), N battery cells are divided into M battery cell groups (10), battery cells (1) in each battery cell group (10) are arranged in a first direction, and the M battery cell groups (10) are arranged in the first direction; each battery cell (1) comprises a battery cell housing (11) and two electrode terminals (12); in the first direction, electrode terminals (12) of two adjacent battery cell groups (10) are connected by means of conductive members (24), and connection areas (25) are formed on the conductive members (24); in a second direction, each battery cell group (10) comprises a first side and a second side arranged opposite to each other; a first fixing member (21) is bonded to at least part of an electrode terminal (12) on the first side of the battery cell group (10), and at least one first fixing member (21) is bonded to at least part of a connection area (25); and/or a second fixing member (22) is bonded to at least part of an electrode terminal (12) on the second side of the battery cell group (10), and at least one second fixing member (22) is bonded to at least part of a connection area (25).

COMPOSITE BATTERY PACK WALL

Resumen de: CN120239921A

A battery pack includes a housing configured to accommodate one or more battery packs including battery cells, the housing including a plurality of walls. At least one wall of the plurality of walls includes: a first insulating layer including a layered silicate mineral and/or ceramic; a first metal layer connected to the first insulating layer; a second insulating layer connected to the first metal layer; and a second metal layer connected to the second insulating layer.

THERMAL MANAGEMENT MODULE

Resumen de: WO2024097862A2

A thermal management module (100) may include a first compartment (101) including one or more of a coolant pump (110), a coolant valve (111), and a coolant conduit (112). A conjoined second compartment (120) may include one or more of a valve actuator (121), an electronic control module (123), a system pressure sensor (125), a temperature sensor (127), and a heat exchanger (40). In certain embodiments, the first compartment (101) may be enclosed in a first modular enclosure and the conjoined second compartment (120) may be separately enclosed within a second modular enclosure.

MIXED POLYHALIDE ELECTROLYTES FOR A STATIC BATTERY AND A METHOD FOR FABRICATING A STATIC BATTERY CELL

Resumen de: MX2025004665A

Provided is a mixed polyhalide initial electrolyte for a static zinc halide battery. Also provided is a method for fabricating a static battery cell comprising the steps of: providing an initial electrolyte comprising one or more source for chloride ions and one or more source for bromide ions, wherein the one or more source for chloride ions and the one or more source for bromide ions are provided in a predetermined ratio selected to yield a target amount of mixed polyhalide upon charge of the initial electrolyte; and forming an electrochemical cell comprising an anode, a cathode and the initial electrolyte.

ELECTRODE ASSEMBLY, CYLINDRICAL BATTERY CELL, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4614635A1

Disclosed is an electrode assembly, a cylindrical battery cell, and a battery pack and a vehicle including the same. The electrode assembly is a jelly-roll type electrode assembly having a structure in which a first electrode plate and a second electrode plate having a sheet shape and a separator interposed therebetween are wound in one direction, and at least one of the first electrode plate and the second electrode plate includes an uncoated portion, not coated with an active material layer, at a long side end. At least a part of the uncoated portion is used as an electrode tab by itself. In addition, the uncoated portion includes a core-side uncoated portion adjacent to the core of the electrode assembly, a circumferential uncoated portion adjacent to the outer circumferential surface of the electrode assembly, an intermediate uncoated portion interposed between the core-side uncoated portion and the circumferential uncoated portion. Preferably, at least one of the core-side uncoated portion and the circumferential uncoated portion has a relatively smaller height in a winding axis direction than the intermediate uncoated portion.

ENERGY STORAGE SYSTEM

Resumen de: EP4614693A1

The present application provides an energy storage system, the energy storage system includes a box and an energy storage device. The energy storage device is arranged in the box. The energy storage device includes N battery clusters arranged along a first direction. Each of the battery clusters includes M battery packs arranged and connected in a second direction perpendicular to the first direction, wherein 4 ≤ N ≤ 6, and 5 ≤ M ≤ 8. The energy storage system is capable of reducing the number of internal components and improving the space utilizing rate of box, effectively reduces manufacturing hours, and reduces cost of system manufacturing.

A BATTERY MODULE, AN ELECTRIC VEHICLE AND A METHOD FOR ASSEMBLING THE BATTERY MODULE

Resumen de: EP4614697A1

The present disclosure refers to a battery module (100). The battery module (100) includes a first and a second end plates (110, 120). Between the first and the second end plates (110, 120) cells (150) are stacked in a stacking direction. Further, the battery module (100) includes side plates (130, 140), wherein a first end (132) of each of the side plates (130, 140) is connected to the first end plate (110) and a second end of each of the side plates (130, 140) is connected to the second end plate (120). In addition the battery module (100) includes at least one connecting system including a first joining element (111) assigned to the first end plate (110) and a second joining element (131) assigned to one of the side plates (130, 140) and a clamping element (180), wherein the connecting system provides the connection between the first end (132) of the one of the side plates (130, 140) and the first end plate (110) by the first joining element (111), the second joining element (131) and the clamping element (180) and is configured to adjust a distance of the first end plate (110) to the second end plate (120) depending on the relative position of the clamping element (180), the first joining element (111) and the second joining element (131) to each other. The invention further relates to an electric vehicle including the battery module (100) according to the invention and a method for assembly of a battery module (100).

BATTERY SYSTEM WITH IMPROVED CELL SPACERS

Resumen de: EP4613538A1

The present disclosure refers to a battery system (100, 100'), including a plurality of battery cells (12) arranged along an alignment axis, and a cell spacer (14, 14') disposed in each gap between adjacent ones of the battery cells (12), wherein the cell spacer (14, 14') includes a center portion (15) and border portions (16) adjoining the center portion (15), wherein the center portion (15) has a larger thickness than the adjoining border portions (16), wherein opposite outer surfaces of the cell spacer (14, 14') are arranged at the same distance but in opposite directions from a central plane, the central plane being perpendicular to the alignment axis and extending through the center portion (15) and border portions (16).

METHOD FOR TREATING A SOLUTION CONTAINING SODIUM SULFATE

Resumen de: EP4613710A1

A method for treating a first solution containing sodium sulfate obtainable from an industrial process, the method comprising: providing the first solution, preferably the first solution is alkaline; providing potassium hydroxide, preferably in solid form and/or as a second solution containing potassium hydroxide of 25 wt.% or more, such as in the range 25-75 wt.%; mixing at least the potassium hydroxide with the first solution to obtain a reaction mixture, whereby obtaining a first solid fraction comprising precipitated sulfate and a first liquid fraction comprising sodium hydroxide; and recovering the first solid fraction and the first liquid fraction; wherein the method further comprises providing a source of ammonia (NH₃) to obtain a concentration of NH₃(aq) in the reaction mixture of at least 10 g/l.

A BATTERY PACK AND A VEHICLE

Resumen de: EP4614677A1

The disclosure relates to a battery pack (1) comprising a plurality of electrochemical battery cells (10), wherein:- each battery cell (10) comprises a top surface (11) facing upwardly in a height direction (H), wherein the top surface (11) comprises a vent opening (12),- the battery pack (1) comprises a top cover (2),- the battery pack (1) further comprises a venting channel member (3) which is attached to an inside (21) of the top cover (2) such that it forms a longitudinally extending venting channel (VC),- the battery pack (1) further comprises, for at least one battery cell (10) of the plurality of electrochemical battery cells (10), a chimney member (4) for the vent opening (12), wherein the chimney member (4) is configured such that it forms a fluid pathway (41) from the top surface (11) to the longitudinally extending venting channel (VC).

POUCH SEALING DEVICE CAPABLE OF TARGETING HEATING PORTION

Nº publicación: EP4613464A1 10/09/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd

Resumen de: EP4613464A1

The present invention provides a structure of a sealing apparatus including a pair of sealing tool assemblies including an exothermic sealing tool, an endothermic sealing tool and an endothermic/exothermic device. Each of the exothermic sealing tool and the endothermic sealing tool each extends along a widthwise direction of a pouch, and are juxtaposed with each other along a lengthwise direction of the pouch. The endothermic/exothermic device is interposed between the exothermic sealing tool and the endothermic sealing tool to radiate heat to the exothermic sealing tool and absorbs heat from the endothermic sealing tool.