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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 475 a 500 de 1242
Resumen de: EP4715887A1
A secondary battery (001) includes an electrode assembly (01). The electrode assembly (01) includes first electrode plate (10), second electrode plates (20), and separators (30). The first electrode plates (10) include outer first electrode plates (101) and an inner first electrode plate. The outer first electrode plates (101) are located on the two outermost sides of the electrode assembly (01), respectively. The first electrode plate (10) include first current collector (11) and first active material layers (12). Each first current collector (11) includes a first surface and a second surface. The first surface is closer to a housing (02) than the second surface. The corresponding first active material layers (12) are disposed on a first surface and a second surface of the inner first electrode plate. At least one of the outer first electrode plates (101) is a single-sided first electrode plate. A first active material layer (12) disposed on the single-sided first electrode plate includes a first material layer (121) and a second material layer (122). A conductivity of the single-sided first electrode plate is A S/cm, and a conductivity of the inner first electrode plate (102) is B S/cm, where A ≤ B.
Resumen de: EP4715947A1
A secondary battery (100), including an electrode assembly (110) including a winding of a first electrode (112), a second electrode (114), and a separator (116) between the first electrode (112) and the second electrode (114), a case (120) accommodating the electrode assembly (110), and a first protective tape (510_1) attached to the first electrode (112) of the electrode assembly (110), wherein the first protective tape (510_1) wraps at least one turn around an interior of the electrode assembly (110) along a winding direction thereof.
Resumen de: EP4715915A1
A secondary battery, including an electrode assembly having a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case accommodating the electrode assembly, and a tape attached to an inner surface of the case, wherein the tape includes a first adhesive layer and a second adhesive layer, the first adhesive layer contacts and adheres to the inner surface of the case, and the second adhesive layer faces the electrode assembly.
Resumen de: EP4715918A1
Provided are an apparatus and method for manufacturing a secondary battery. The apparatus for manufacturing a secondary battery may include an inserting part configured to support an upper portion of a case of the secondary battery, a pressurizing part configured to pressurize an outer surface of the case to form a beading part on the outer surface of the case during rotation of the case, a support part configured to support a lower portion of the case, and a gripper configured to selectively grip the case or release the grip of the case for rotation of the case.
Resumen de: EP4715919A1
A secondary battery (1), a battery group (100), and an electronic apparatus (1000) are provided. The secondary battery (1) includes a casing (10) and an electrode assembly (20) accommodated in the casing (10) and including a wound structure (201) formed by stacking and winding a positive sheet (21), a separator (22), and a negative sheet (23). In a wound structure axial direction (O), a positive current collector (211) of the positive sheet (21) includes a positive coated region (212) and a positive uncoated region (213), and a negative current collector (231) of the negative sheet (23) includes a negative coated region (232) and a negative uncoated region (233). In a wound structure winding direction (P), the positive uncoated region (213) sequentially includes a first, a second, and a third positive uncoated regions (214, 215, 216), and the negative uncoated region (233) sequentially includes negative uncoated regions (234, 235, 236).
Resumen de: EP4715976A1
A secondary battery, including a case, an electrode assembly accommodated in the case, a cap assembly coupled to the case to seal the case, an insulator between the electrode assembly and the cap assembly, and a fixing member fixing the insulator to the electrode assembly, wherein the fixing member is in contact with the insulator, and wherein a first surface of the electrode assembly and a second surface of the electrode assembly are opposite each other.
Resumen de: EP4716062A1
A battery management system (110) includes: a charging controller (112) that controls charging of a secondary battery (102); a voltage sensor (121) that detects a voltage of the secondary battery; and a controller (113) that estimates an estimated range to which a battery level of the secondary battery belongs among multiple battery level ranges. Based on the detected voltage in a charging state among multiple charging states of the charging controller (112), the controller (113) tentatively determines a tentative range to which the battery level belongs among the multiple battery level ranges. Based on comparison between the tentative range and a past estimated range estimated in a past, the controller (113) estimates a current estimated range that is the estimated range of this time.
Resumen de: EP4715951A2
A module interface device for a multi-cell battery module comprises a cathode bus connectable to a cathode terminal and an anode bus connectable to an anode terminal of the battery module, and a set of one or more inter-cell taps connectable to respective inter-cell electrical interconnectors that interconnect neighboring pairs of cells of the battery module. The module interface devices comprises a cell balancing circuit that includes: an electrically conductive pathway that joins the cathode bus with the anode bus, a set of multiple resistive-capacitive elements arranged along the electrically conductive pathway, and a set of one or more switches in which a respective switch is located along each inter-cell tap. Each inter-cell tap joins the electrically conductive pathway at a respective location between a different neighboring pair of resistive-capacitive elements.
Resumen de: EP4715983A1
A battery module according to one embodiment of the present disclosure includes a battery cell stack including a plurality of stacked battery cells; and at least one cooling member arranged on at least one of both side surfaces of the battery cell stack or between the plurality of battery cells. The cooling member includes a cooling channel that is a space inside the cooling member where a coolant flows, and an air gap that is an empty space separated from the cooling channel.
Resumen de: EP4715302A1
An apparatus for drying an electrode plate of a secondary battery comprises a hot air inlet pipe that includes a torsional structure that is configured to cause rotation hot air for drying an electrode plate coated with a secondary battery electrode material substance or a rolled electrode plate. The apparatus also includes a drying duct that includes hot air ejection ports configured to direct the rotating hot air discharged from the hot air inlet pipe to the electrode plate.
Resumen de: EP4715899A1
The present application relates to a negative electrode active material, a method for preparing the negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode.
Resumen de: EP4715950A1
A battery assembly includes a battery cell accommodating an electrode assembly and including a first side that includes a first electrode terminal and a second electrode terminal thereon, a protective circuit module above the first electrode terminal and the second electrode terminal, and a connecting portion connecting the first electrode terminal and the second electrode terminal to the protective circuit module, wherein the connecting portion has a foldable structure.
Resumen de: EP4715998A1
The present disclosure provides a secondary battery. A secondary battery according to the present disclosure includes an electrode assembly including a plurality of first electrode tabs and a plurality of second electrode tabs, and a collector plate joined to the plurality of first electrode tabs, in which the plurality of first electrode tabs includes a first tab group, the first tab group is joined to the collector plate while at least some of the plurality of first electrode tabs of the first tab group are bent in a first direction and others of the plurality of first electrode tabs of the first tab group are bent in a second direction, and the first direction and the second direction are substantially parallel to a stacking direction of the electrode assembly and are substantially opposite to one another.
Resumen de: EP4715897A1
A positive electrode material and a preparation method thereof, and a lithium-ion battery. The positive electrode material includes: a core layer including Li, Fe, Mn, PO<sub>4</sub><sup>-</sup> ions, and doping element A; a shell layer, where at least a surface portion of the shell layer is coated on an outer surface of the core layer and the shell layer includes a first carbon particle and a second carbon particle; where the doping element A includes at least one element of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn and Y; a distance difference between the highest point and the lowest point in a single surface of the positive electrode material is not more than 1 nm, and the surface roughness of the positive electrode material is 0.8µm to 1.6µm. Through the two carbon coating processes, on the basis of ensuring the high capacity and high compaction of the positive electrode material, manganese leaching is greatly reduced, ensuring the cyclic discharge efficiency of the positive electrode material.
Resumen de: GB2700865A
A lithium primary battery has a positive electrode sheet including a positive active coating and an electrolyte layer sequentially provided on at least one surface of a positive current collector. The positive active coating includes a positive active material, a first polymer solid electrolyte, an oxide solid electrolyte, and a first lithium salt. The electrolyte layer comprises a second polymer solid electrolyte and a second lithium salt. The first or second polymer solid electrolyte includes at least one or polyethylene oxide (PEO), polycarbonate, polyacrylonitrile, polysiloxane and polymethacrylate. The solid oxide electrolyte comprises at least one of Li1.5Al0.5Ge1.5(PO4)3, Li1.4Al0.4Ti1.6(PO4)3, Li0.33La0.557TiO3 and Li7La3ZrO12. The battery also includes a negative electrode sheet which may be a lithium metal sheet. The positive active material may include at least one of manganese dioxide (MnO2) and CFx (0.5
Resumen de: EP4715917A1
A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a spacer in contact with at least a portion of an outer surface of the electrode assembly, a case including a top opening and accommodating the electrode assembly and the spacer, and a cap assembly at the top opening to seal the electrode assembly.
Resumen de: EP4715407A1
The present disclosure relates to an apparatus and method for diagnosing a battery, which may diagnose a state of a battery in consideration of an overpotential. The apparatus and method for diagnosing a battery according to the present disclosure have an advantage in that charging and discharging at a criterion C-rate is not forced to diagnose the state of the battery because the state of the battery is diagnosed based on a corrected profile in which overpotential is removed from the battery profile.
Resumen de: EP4715844A1
A solid electrolyte includes: a first crystallite formed in a primary particle and having a first crystal structure; a second crystallite formed in the same primary particle as for the first crystallite and having a second crystal structure that is a crystal structure different from the first crystal structure; and an amorphous phase, the first crystallite and the second crystallite each contain lithium, the first crystal structure is a hexagonal crystal, the second crystal structure is an orthorhombic crystal, and the crystallite size of the first crystallite and the crystallite size of the second crystallite are both 50 nm or less.
Resumen de: EP4715908A1
Provided is a binder for a solid-state electrolyte battery, comprising a polymer comprising a segment A having a glass transition temperature of 25°C or less and a segment B having a melting point of 50°C or more.
Resumen de: EP4715359A1
Provided are a coolant leak detection apparatus (1) and method of detecting a coolant leak using the same. The apparatus is capable of measuring a mass and temperature of coolant (CW) stored in a tank part (20), and detecting a coolant leak using information on the mass and temperature of the coolant. The coolant leak detection apparatus (1) includes a mass measuring part (100) being installed on a tank part (20) that stores coolant (CW) and the mass measurement part being configured to measure a mass of the coolant stored in the tank part, a temperature measuring part (200) being installed on the tank part (20) and configured to measure temperature of the coolant, and a control part (300) electrically connected to the mass measuring part and temperature measuring part and configured to detect a leak of the coolant using information on the mass and temperature of the coolant received from the mass measuring part (100) and temperature measuring part (200), respectively.
Resumen de: EP4715963A2
A battery of the present disclosure has an electrode body, a case accommodating the electrode body, and a resin body electrically insulating the electrode body and the case. The electrode body includes a positive electrode current collector, a positive electrode active material layer, an electrolyte, a negative electrode active material layer and a negative electrode current collector. The case includes a metal tube having a first opening and a second opening, and covers that seal the first opening and the second opening respectively. The resin body includes plural concave regions extending from the first opening toward the second opening.
Resumen de: EP4715900A1
The present invention relates to a negative electrode slurry, a negative electrode, a lithium secondary battery, a battery module, and a battery pack comprising: a silicon carbon composite having a pH of 6 to 8 and a silicon content of 40 parts by weight to 60 parts by weight with respect to 100 parts by weight in total of the silicon carbon composite; a cellulose-based binder; and a conductive material..
Resumen de: EP4714882A1
Example embodiments provide a rewinding equipment. The rewinding equipment includes: an unwinder configured to unwind an electrode sheet from a first electrode roll; a scrap port configured to scrap a defective part of the electrode sheet; a rewinder configured to wind the electrode sheet into a second electrode roll; a first rotary encoder configured to sense a length of the electrode sheet unwound by the unwinder to generate an input amount signal; a second rotary encoder configured to sense a length of the electrode sheet wound by the rewinder to generate an exhaustion amount signal; and a first controller configured to collect coordinate data indicating a position on the electrode sheet based on the exhaustion amount signal.
Resumen de: EP4715885A1
A dry electrode according to the present disclosure has an electrode active material layer including large diameter pores, leading to easy lithium (Li) migration, low Li diffusion resistance and fast lithium movement, thereby reducing or suppressing overvoltage, and improving high rate charge/discharge characteristics.
Nº publicación: EP4715941A1 25/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4715941A1
A composite electrolyte membrane includes : (1) a liquid electrolyte; (2) a crosslinked polymer of a monomer having a curable functional group; and (3) oxide nanoparticles dispersed in the crosslinked polymer and having a particle size of 300 nm or less. The oxide nanoparticles include at least one compound particle selected from the a lithium-containing oxide or a lithium-containing phosphate. A method for manufacturing the composite electrolyte membrane is disclosed. A lithium secondary battery includes: (1) a positive electrode; (2) a negative electrode; and (2) the composite electrolyte membrane interposed between the positive electrode and the negative electrode. The composite electrolyte membrane may be coated onto the negative electrode, or may be separably interposed between the positive electrode and the negative electrode.
BOPI
Sede Electrónica
