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BATTERY AND VEHICLE

Resumen de: WO2025200116A1

A battery (10) and a vehicle (100). The battery (10) comprises a case (2), a battery cell (3), a thermal management component (4), a first connector (5), a second connector (6), and a mount (1). The case (2) has an accommodating space (2a), the battery cell (3) is accommodated in the accommodating space (2a), the thermal management component (4) is accommodated in the accommodating space (2a), and the thermal management component (4) is used for accommodating a fluid to manage the temperature of the battery cell (3). The first connector (5) is electrically connected to the battery cell (3). The second connector (6) is in communication with the thermal management component. The mount (1) is connected to the case (2), the first connector (5) and the second connector (6) are both arranged on the mount (1), and at least part of the first connector (5) and at least part of the second connector (6) are located outside the case (2). The first connector (5) and the second connector (6) can move together with the mount (1) towards a connector of the vehicle (100), such that the first connector (5) and the second connector (6) can be directly connected to the connector of the vehicle (100) separately, achieving separate fast connection of the first connector (5) and the second connector (6) to the connector of the vehicle (100), achieving fast swapping of the battery (10), and thus improving the battery swapping efficiency of the battery (10).

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: WO2025199922A1

A secondary battery (100) and an electronic apparatus (1). The secondary battery (100) comprises a packaging bag (10) and an electrode assembly (20), the electrode assembly (20) being of a wound structure. A negative electrode active material layer (221) of a negative electrode sheet (22) comprises a silicon material, the mass percentage thereof in the negative electrode active material layer (221) being 4% to 50%. The secondary battery (100) further comprises one or two positive electrode tabs (30), no fewer than two first negative electrode tabs (40) and a first adapter tab (50). In the thickness direction of the electrode assembly (20), all the first negative electrode tabs (40) overlap and are connected to the first adapter tab (50), and both the positive electrode tabs (30) and the first adapter tab (50) extend out of the packaging bag (10) from a same side of the packaging bag (10) and are configured to be separately and electrically connected to an external circuit. A positive electrode active material layer (211) of a positive electrode sheet (21) is provided with one or two first recesses (2110), each positive electrode tab (30) being provided in one first recess (2110) and being electrically connected to a positive electrode current collector (210). The first negative electrode tabs (40) are integrated with a negative electrode current collector (220) of the negative electrode sheet (22) and are connected to an end edge of the negative electrode current collector (2

POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY MODULE

Resumen de: WO2025205468A1

This positive electrode for lithium ion secondary batteries includes a positive electrode active material layer. A positive electrode active material included in the positive electrode active material layer contains active material particles composed of a lithium composite oxide (X) having a layered rock-salt type crystal structure. The average particle diameter d50 of the active material particles in a volume-based particle size distribution obtained by using a laser diffraction scattering particle size distribution measurement method is 5.0 μm or less. The ratio (d90/DSEM) between the particle diameter d90 of the active material particles that has a cumulative value of 90% in the volume-based particle size distribution, which is obtained by using the laser diffraction scattering particle size distribution measurement method, and the average particle diameter DSEM based on electron microscope observation of the active material particles is 3.1 or less.

FERRITIC STAINLESS STEEL FOIL, ELECTRODE, AND BATTERY

Resumen de: WO2025204484A1

Provided is a ferritic stainless steel foil exhibiting excellent corrosion resistance. A ferritic stainless steel foil according to the present disclosure is provided with a foil main body made of ferritic stainless steel, wherein the diffraction intensity I110 of the {110} plane, the diffraction intensity I200 of the {200} plane, and the diffraction intensity I211 of the {211} plane, which are obtained by concentration X-ray diffraction measurement in the foil main body, satisfy formula (1).　I110/(I110 + I200 + I211) ≤ 0.16 (1)

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Resumen de: WO2025206898A1

The present invention provides an electrode assembly and a secondary battery including same. The electrode assembly includes: a first electrode including a first base layer and first mixture layers coated on both surfaces of the first base layer; a second electrode including a second base layer and a third base layer, an insulating layer disposed between the second base layer and the third base layer, a second mixture layer coated on the second base layer, and a third mixture layer coated on the third base layer; and a separator disposed between the first electrode and the second electrode, wherein the insulating layer may extend from one side surface of each of the second base layer and the third base layer to be exposed.

ACTIVE FIRE PROTECTION DEVICE FOR TWO WHEELER ELECTRIC VEHICLE BATTERY PACK

Resumen de: WO2025203115A1

A fire protection device for battery pack in a vehicle is disclosed the device comprising: a plurality of sensor modules coupled to a battery management system (BMS), and is configured to detect at least one condition associated with the battery pack; a control unit coupled to the plurality of the sensor modules; and at least one fire suppressor coupled to the control unit, wherein the control unit is configured to receive at least one input from the plurality of sensor modules, the input indicating the at least one condition associated with the battery pack analyse input value associated with the condition to determine if the input value condition is beyond a threshold value; activate the fire suppressor based on determination that the input value is beyond the threshold value; and send feedback of fire suppression to the BMS.

CATHODE ACTIVE MATERIAL, POSITIVE ELECTRODE, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025200450A1

Provided are a cathode active material, a positive electrode, a secondary battery, and an electric device. A particle size distribution curve of the cathode active material satisfies a special mathematical relationship, and therefore the cathode active material has a relatively high compacted density, a relatively large first charge specific capacity, and a relatively high initial coulombic efficiency.

FERRITIC STAINLESS STEEL FOIL, ELECTRODE, AND BATTERY

Resumen de: WO2025204482A1

Provided is a ferritic stainless steel foil exhibiting excellent corrosion resistance. A ferritic stainless steel foil according to the present disclosure is provided with a foil main body made of ferritic stainless steel, and has an average half-value width F110 of the peak of a {110} plane in a region from a 0.38 μm depth position to a 2.82 μm depth position from the surface of the foil main body, said value being obtained by grazing-incidence X-ray diffraction, equal to or higher than 0.490°.

METHOD OF MANUFACTURING BATTERY MODULE

Resumen de: WO2025203705A1

Provided is a method of manufacturing a battery module provided with a laminate having a plurality of stacked units that include: a first cell group and second cell group in which a plurality of cells extending in a first direction are lined up in a second direction orthogonal to the first direction; and a thermal regulation plate which is arranged between the first cell group and the second cell group and extends in the second direction. The method comprises: coating either the thermal regulation plate or the first cell group and second cell group with an adhesive; and bringing the thermal regulation plate and the first cell group and second cell group into contact, thereby adhering the thermal regulation plate and the first cell group and second cell group to each other.

COMPOSITE MATERIAL

Resumen de: WO2025206827A1

Disclosed in the present specification are a composite material and a fire suppression device, which can be applied to a product or element in an abnormal state or having the potential to enter an abnormal state, enabling effective response to the abnormal state. For example, the composite material and the like may be applied to an article comprising a plurality of such products or elements, to respond to abnormal heat generation, explosion, or ignition occurring in any one of the products or elements, and prevent or minimize the propagation of such heat generation, explosion, or ignition to adjacent products or elements. The composite material and the like also exhibit excellent handling characteristics and storage stability. The present specification may also provide uses of the composite material and the like.

LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY MODULE

Resumen de: WO2025205497A1

A lithium ion secondary battery (10) provided with a positive electrode that includes a positive electrode active material layer (1), a negative electrode that includes a negative electrode active material layer (2), and an electrolyte, wherein: the negative electrode active material included in the negative electrode active material layer (2) has an SEI film on at least a portion of the surface thereof; the electrolyte contains lithium bis(fluorosulfonyl)imide; and the lithium bis(fluorosulfonyl)imide concentration in the electrolyte determined using a prescribed method is at least 0.6 mass%.

HEAT TRANSFER SUPPRESSION SHEET AND BATTERY PACK

Resumen de: WO2025204307A1

Provided is a heat transfer suppression sheet which has excellent heat insulation properties, can absorb pressing force even when the pressing force is applied to the heat transfer suppression sheet, and thereby being able to suppress powder drop and maintain the excellent heat insulation properties, and also provided is a battery pack having the heat transfer suppression sheet. A heat transfer suppression sheet (10) contains heat insulating particles (5) and organic fibers (3). The heat-insulating particles (5) include large-diameter inorganic particles (1) having an average primary particle diameter of 0.1 μm or more and silica nanoparticles (2). One part of the principal surface (10a) of the heat transfer suppression sheet (10) orthogonal to the thickness direction has a first region (11) in which the large-diameter inorganic particles (1) are eccentrically located, and the other part of the principal surface (10a) has a second region (12) in which the large-diameter inorganic particles (1), the silica nanoparticles (2), and the organic fibers (3) are dispersed.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR AQUEOUS SECONDARY BATTERY, POSITIVE ELECTRODE FOR AQUEOUS SECONDARY BATTERY USING SAME, AND AQUEOUS SECONDARY BATTERY

Resumen de: WO2025206162A1

Problem To provide a means capable of improving discharging and charging efficiency of an aqueous secondary battery in which manganese dioxide is used as a positive electrode active material. Solution A substituted manganese dioxide, in which an oxygen element of manganese dioxide is substituted by one or more types of substitution elements, is used as a positive electrode active material of an aqueous secondary battery.

BATTERY MODULE

Resumen de: WO2025206537A1

A battery module is disclosed. The battery module according to one embodiment of the present invention may comprise: a case providing a space therein and having a top plate; a battery cell located inside the case; a first cover coupled to the upper surface of the top plate and having a first separation line; and a second cover coupled to the upper surface of the first cover and having a second separation line.

SILICON-BASED ANODE MATERIAL CONTAINING HIGH CONTENT OF SILICON, AND SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2025206804A1

The present invention relates to a silicon-based anode material and a secondary battery comprising same. The silicon-based anode material comprises: a carbon-based structural reinforcing body; and silicon particles bonded to the carbon-based structural reinforcing body, wherein the amount of silicon elements is 80-99 wt% and the amount of carbon elements is 1-20 wt% on the basis of the total weight of the silicon-based anode material, and the crystallite size of the silicon particles is 60 nm or less.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025205805A1

The present invention provides a non-aqueous electrolyte secondary battery characterized by comprising an electrode body (14) in which a strip-shaped positive electrode (11) and a strip-shaped negative electrode (12) are wound along the longitudinal direction with a separator (13) in between, wherein the positive electrode (11) has a positive electrode current collector exposed portion where a positive electrode compound layer (31) is not disposed and a positive electrode current collector (30) is exposed, a positive electrode tab (20) is joined to the positive electrode current collector exposed portion, the negative electrode (12) has a negative electrode current collector exposed portion where a negative electrode compound layer (41) is not disposed and a negative electrode current collector (40) is exposed, a negative electrode tab (21) is joined to the negative electrode current collector exposed portion, the positive electrode tab (20) and the negative electrode tab (21) are provided with a gap formed in the axial direction of the electrode body (14), and said gap is located at a position that does not overlap with the axial center of the electrode body (14).

METHOD FOR MANUFACTURING BATTERY MODULE, AND JIG

Resumen de: WO2025203689A1

A method for manufacturing a battery module including a laminate in which a plurality of units are stacked, each unit including a first cell group and second cell group including a plurality of cells extending in a first direction and arranged in a second direction orthogonal to the first direction, and a temperature control plate placed between the first cell group and the second cell group and extending in the second direction, the method comprising: positioning a positional relationship between cells in the first cell group using a first jig; positioning a positional relationship between cells in the second cell group using a second jig; and bonding the first cell group, the second cell group, and the temperature control plate with an adhesive.

NONAQUEOUS ALKALI METAL POWER STORAGE ELEMENT AND METHOD FOR PRODUCING SAME

Resumen de: WO2025206027A1

Provided is a nonaqueous lithium power storage element precursor which is a nonaqueous alkali metal power storage element precursor comprising a positive electrode precursor, a negative electrode precursor, a separator, and an exterior material, wherein: the negative electrode precursor contains, as a negative electrode active material, a material that stores and releases alkali metal ions; the positive electrode precursor has a positive electrode active material layer which includes a positive electrode active material that stores and releases alkali metal ions; and an alkali metal carbonate or a pre-doped material is included in the positive electrode active material layer and/or an arbitrary intermediate layer between the positive electrode active material layer and the separator.

LEAD STORAGE BATTERY

Resumen de: WO2025204709A1

A lead storage battery 10 includes: a battery case 20 having a plurality of cell chambers 24 partitioned by a partition wall 23; a plurality of electrode plate groups 30 respectively housed in the plurality of cell chambers 24; and an electrolyte injected into the plurality of cell chambers 24. Each electrode plate group 30 includes: a plurality of positive electrode plates 30P and a plurality of negative electrode plates 30N alternately laminated via separators SP; a positive electrode strap 32P connected to an ear part 31P provided to each positive electrode plate 30P; a negative electrode strap 32N connected to an ear part 31N provided to each negative electrode plate 30N; a positive-electrode intermediate electrode column 34P extending along the partition wall 23 from the positive electrode strap 32P; and a negative-electrode intermediate electrode column 34N extending along the partition wall 23 from the negative electrode strap 32N. The positive-electrode intermediate electrode column 34P and the negative-electrode intermediate electrode column 34N are connected by an inter-cell connection part 36 penetrating the partition wall 23. The liquid level of the electrolyte is disposed below the lower end of the inter-cell connection part 36. In a case such that the direction in which the positive electrode plates 30P and the negative electrode plates 30N are arranged in each cell chamber 24 is defined as a first direction, the relational expression (L1 2 + T1 2)1/2 ≥ W is e

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET AND SECONDARY BATTERY

Resumen de: WO2025200449A1

A positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The positive electrode material comprises an inner core and a coating layer covering at least part of the surface of the inner core. The inner core comprises a material of which the chemical formula is LiNiaCobMncQdO2, wherein the Q element comprises at least one of Zr and Al, 0.89≤a≤0.98, 0≤b≤0.06, 0≤c<0.11, d>0, and a+b+c+d=1. The coating layer comprises a material of which the chemical formula is LimConX(1-n)O2, wherein the X element comprises at least one of Al, W, Ti, B and La, 0

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2025200016A1

A secondary battery and an electronic device. The secondary battery comprises a housing, and an electrode assembly and an electrolyte which are arranged in the housing, wherein the electrode assembly comprises a first electrode sheet, a second electrode sheet, and a separator arranged between the first electrode sheet and the second electrode sheet. The separator comprises a substrate and a bonding layer arranged on at least one surface of the substrate; the bonding layer is bonded to the first electrode sheet and/or the second electrode sheet; the length direction of the secondary battery is defined as a first direction, and in the first direction, the bonding layer comprises a first edge area, a main body area and a second edge area which are successively arranged; at least one of the first edge area and the second edge area is a continuous coating layer; and the main body area is a discontinuous coating layer.

BIPOLAR CURRENT COLLECTOR, BIPOLAR ELECTRODE SHEET, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: WO2025199951A1

A bipolar current collector, a bipolar electrode sheet, an electrochemical device and an electronic device. The bipolar current collector comprises a negative electrode current collector and a positive electrode current collector. The negative electrode current collector comprises a first polymer layer and a first metal layer, wherein the first metal layer is arranged on a surface of the side of the first polymer layer in the direction of thickness, and is a copper layer. The positive electrode current collector comprises a second polymer layer and a second metal layer, wherein the second metal layer is arranged on a surface of the side of the second polymer layer in the direction of thickness, and is an aluminum layer. In the direction of thickness of the bipolar current collector, the first metal layer, the first polymer layer, the second polymer layer, and the second metal layer are arranged in sequence, the first polymer layer being connected to the second polymer layer. The copper layer has a thickness of A μm, and the aluminum layer has a thickness of B μm, where A and B satisfy: 0.8≤A≤3.0 and 1.2≤B/A≤3.5. When applied in an electrochemical device, the bipolar current collector helps improve the energy density and cycling performance of the electrochemical device.

COMPOSITE MATERIAL

Resumen de: WO2025206831A1

Disclosed in the present specification are a composite material and a fire extinguishing device, which are applied to a product or a device that is in an abnormal state or is likely to be in an abnormal state so as to effectively respond to the abnormal state. For example, the composite material may be applied to an article that includes a plurality of such products or devices, and may respond to abnormal heat generation, explosion, or ignition occurring in any one of the products or devices, while preventing or minimizing the propagation of such heat, explosion, or ignition to adjacent products or devices. The composite material or the like also exhibits excellent handling and storage stability. The present specification can also provide uses of the composite material, and the like.

CYLINDER TYPE RECHARGEABLE BATTERY

Resumen de: WO2025206616A1

A cylinder-type rechargeable battery of the present invention comprises: an electrode assembly; a case including a body part and a recess part which is recessed toward the inside of the body part and of which a part is flat, and accommodating the electrode assembly; and a negative electrode current collecting plate including a base part having a portion connected to the electrode assembly and a contact part extending from an edge of the base part toward the recess part and contacting a portion formed of a flat surface in the inner surface of the case, and electrically connected to the electrode assembly.

FIRE EXTINGUISHING DEVICE

Nº publicación: WO2025206829A1 02/10/2025

Solicitante:

LG CHEM LTD [KR]
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