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1356
results.
Updated on
03/05/2026 [07:29:00]
Results 175 to 200 of 1356
Absstract of: US20260121138A1
A battery system includes a plurality of battery packs that is connected, in parallel to one another, to an external system. The battery packs are connected, in parallel to one another, to the external system through corresponding DC-DC converters. A control device discharges a first battery pack by operating the DC-DC converters so as to supply electricity from the first battery pack to other battery packs. After the discharge of the first battery pack, the control device charges the first battery pack by operating the DC-DC converters so as to supply electricity from the other battery packs to the first battery pack. The control device calculates a full charge capacity of the first battery pack based on an integrated amount of a current that has been charged to the first battery pack.
Absstract of: WO2026085743A1
Provided in the embodiments of the present application are a secondary battery, an electric device, and a preparation method for the secondary battery. The secondary battery comprises an electrode assembly, wherein the electrode assembly comprises a first electrode sheet located at the outermost layer thereof and a first separator located at the second outermost layer thereof, the first electrode sheet comprising a first current collector and a first active material layer. The first electrode sheet further comprises a first tab, and the first active material layer comprises a first main body portion and a first thinned portion of an integrated structure. The first thinned portion and the first tab are located on the same side of the first main body portion, and the thickness of the first thinned portion in a first direction is smaller than the thickness of the first main body portion in the first direction. The first electrode sheet comprises a first region, the first region is provided with a plurality of first protrusions, and the first protrusions are formed by protrusion of portions of the first current collector and the first active material layer; and at least part of the first thinned portion is located in the first region. The secondary battery can improve the adhesion between the first thinned portion and the first separator, and reduce the possibility of mutual separation between the first thinned portion and the first separator.
Absstract of: WO2026088547A1
Problem To provide a positive electrode material and a positive electrode material precursor for a magnesium storage battery in which operating temperature can be lowered and which has excellent cycle characteristics, a method for producing a positive electrode material precursor and a method for producing a positive electrode material for a magnesium storage battery, and a magnesium storage battery. Solution This positive electrode material for a magnesium storage battery is formed from a Mg-containing compound, has a free volume, and has a composite structure having a rock salt structure in a part of an amorphous phase. The compound preferably contains Mg and a metal oxide, and the metal oxide preferably contains Ti and Mo.
Absstract of: US20260121173A1
0000 A thermal insulation sheet between battery cells for an electric automobile includes silica aerogel and a fiber, and has a plurality of holes on one surface and another surface in a thickness direction. A ratio of the number of holes on the one surface to the number of holes on the other surface is preferably 1.3 or more.
Absstract of: WO2026089194A1
The present invention relates to a method for recovering lithium from secondary batteries by means of a plasma electric arc furnace, the method enabling lithium to be recovered, using plasma arc heat, at a very high recovery rate from black mass obtained by crushing secondary batteries. The method for recovering lithium from secondary batteries by means of a plasma electric arc furnace, of the present invention, comprises: a black mass production step of producing black mass through a pretreatment step of pulverizing or crushing waste lithium battery cells in order to recover lithium from waste lithium batteries; a flux addition step of adding CaO and Al2O3 to the black mass in a ratio of CaO:Al2O3 of 1-1.2 and adding CaCl2 and CaSO4 so as to adjust the molar ratio of LiCl : Li2SO4 to 1-1.2; a step of melting, in a plasma electric arc furnace, raw material to which flux is added; and a step of recovering lithium dust from the plasma electric arc furnace through a bag filter.
Absstract of: US20260116266A1
Provided are an integrated battery pack and an electric vehicle. The integrated battery pack includes a housing, a battery module, and multiple support members, where an accommodating cavity is provided in the housing, the battery module is mounted in the accommodating cavity, a pressure relief valve is disposed on the top of the battery module, the multiple support members are spaced apart on the top of the battery module and are sandwiched between the battery module and the housing, at least part of the multiple support members cover the pressure relief valve, and the at least part of the multiple support members on the pressure relief valve and the battery module enclose a pressure relief channel.
Absstract of: WO2026086660A1
Provided in the present application are a negative electrode sheet, a battery, a battery pack and an electric device. The negative electrode sheet comprises a negative electrode current collector and a negative electrode coating located on the surface of at least one side of the negative electrode current collector, wherein the negative electrode coating comprises non-coated graphite, and the OI value of the non-coated graphite in the negative electrode coating is 0.06-2.
Absstract of: WO2026086409A1
Provided in the embodiments of the present application are an energy storage cabinet and a data center. The energy storage cabinet comprises a cabinet body, and battery clusters, a power converter and a cluster control box, which are located in the cabinet body, wherein the cluster control box and the power converter are stacked on at least two battery clusters from bottom to top, a housing of the cluster control box is provided with at least two pairs of first power input interfaces and at least two pairs of first power output interfaces, each pair of first power input interfaces is electrically connected to one battery cluster, and each pair of first power output interfaces is electrically connected to the power converter. Since the cluster control box is provided with at least two pairs of first power input interfaces and at least two pairs of first power output interfaces, it can not only save at least one cluster control box and reduce costs, but also simplify a system design, lower the complexity of wiring and connections, and reduce the overall system complexity and the number of failure points. The present application can also improve the convenience and accuracy of synchronous scheduling for at least two columns of battery clusters, thereby facilitating unified scheduling and monitoring.
Absstract of: US20260121249A1
A secondary battery includes: a case; and an electrode assembly accommodated in the case. The electrode assembly includes: a first electrode; a second electrode; and a separator. The first electrode includes an electrode tab and a lead connected to the electrode tab. At least one of the electrode tab and the lead includes a variable resistance region, and an electrical resistance of the variable resistance region is different from an electrical resistance of another region of the at least one of the electrode tab and the lead.
Absstract of: US20260121247A1
0000 A secondary battery according to the embodiment includes a case; and an electrode assembly accommodated in the case, the case includes an accommodation part and a cap part, the accommodation part and the cap part are coupled by a sealing layer, the electrode assembly includes a first electrode, a second electrode, and a separator, the first electrode and the second electrode include electrode tabs, the electrode tabs are connected to a lead that is connectable to an external terminal, the lead includes a first region and a second region, a size of the first region is smaller than a size of the second region, and the first region overlaps with the sealing layer.
Absstract of: US20260121120A1
Provided are an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a first additive and a second additive. The first additive includes a compound containing element silicon and an unsaturated hydrocarbyl group; and the second additive includes a compound represented by Formula 1.where: X1, X2, X3, and X4 are each independently selected from N or CH; R is selected from 5- to 6-membered aryl, 5- to 6-membered aryl substituted with R0, 5- to 6-membered heteroaryl, 5- to 6-membered heteroaryl substituted with R0, C1-8 alkyl, C1-8 alkyl substituted with R0, C2-8 alkenyl, C2-8 alkenyl substituted with R0, C0-8 alkylsilyl, or C0-8 alkylsilyl substituted with R0; and R0 is selected from C1-6 alkyl, C1-6 alkoxy, or halogen.
Absstract of: WO2026086383A1
An electrode plate detection device, and an electrode plate slitting machine. The electrode plate detection device comprises a support (1), a detection mechanism (2) and a driving mechanism (3), wherein at least one detection mechanism (2) is arranged on the support (1), and the detection mechanism (2) has a working position and a clearance position; and the detection mechanism (2) comprises a light source structure (22), a deflection structure (23) and an image forming structure (24), wherein the light source structure (22) is configured to emit light towards an electrode plate slitting end face, and the deflection structure (23) can deflect the light, which is reflected by the electrode plate slitting end face at the light source structure, by a set included angle, so as to facilitate the transmission of the deflected light to the image forming structure (24). The electrode plate detection device has a compact size, is convenient to operate, and saves on space, thereby realizing miniaturization of the electrode plate detection device.
Absstract of: US20260121432A1
An electrical system with selectable output voltage is disclosed. An example system includes a first set of energy storage modules, a second set of energy storage modules, a choke connected to the first set of energy storage modules and the second set of energy storage modules, and a switch configured to switch between a first state and a second state. Upon switching the switch to the first state, the first set of energy storage modules are connected in parallel with the second set of energy storage modules to provide a first voltage to at least one output. Upon switching the switch to the second state, the first set of energy storage modules are connected in series with the second set of energy storage modules to provide a second voltage to the at least one output.
Absstract of: WO2026088452A1
Problem The present invention provides, as a gasket sheet for a papermaking system, a gasket which has excellent flame retardancy. Solution A non-metallic gasket material according to the present invention contains organic fibers, an organic binder, and a metal hydroxide other than those of alkali metals, and the ratio of the metal hydroxide is 100 parts by mass to 300 parts by mass inclusive with respect to a total of 100 parts by mass of the organic fibers and the organic binder. It is preferable that the gasket material has a flame retardancy evaluation of V-1 or higher as determined by UL94 combustion test. The gasket material is preferably used for sealing applications around an electronic component having a risk of flame generation, such as a secondary battery case and an ECU case.
Absstract of: US20260121129A1
0000 A leakage detection liquid collector for detecting fluid leakage from a battery module according to the present disclosure includes: a collection unit coupled to the bottom of a battery module and having a downward sloping surface formed toward the central portion to form a collection space where leaked fluid is gathered at the central portion, a support plate provided between the battery model and the collection unit to support the load of the battery module, and a sensing unit provided inside the collection unit to detect the fluid collected in the collection space.
Absstract of: WO2026086202A1
Provided in the present application are a sealing piece, a sealing structure, a battery cell and a battery pack. The sealing piece comprises a top surface and a bottom surface opposite each other, the bottom surface being provided with a first recess, wherein the sealing piece is provided with a gas channel in communication with the first recess. The gas channel is used to discharge gas, a cavity is formed between the first recess and a top cover, and gas generated by welding flows into the cavity and is discharged through the gas channel, thereby preventing the gas generated by welding from being trapped.
Absstract of: US20260121253A1
A secondary battery includes a case; and an electrode assembly and a conductive plate accommodated in the case, the electrode assembly includes a first electrode assembly part and a second electrode assembly part, a partition wall is between the first electrode assembly part and the second electrode assembly part, the conductive plate includes a first conductive plate on the electrode assembly and a second conductive plate under the electrode assembly, the first conductive plate includes a first conductive part and a second conductive part that are insulated by an insulating member, the first conductive part is electrically connected to the first electrode assembly part, the second conductive part is electrically connected to the second electrode assembly part, and the second conductive plate is electrically connected to the first electrode assembly part and the second electrode assembly part.
Absstract of: US20260121242A1
A bus bar includes: a bus bar body that is formed in a flat plate shape and is arranged between one battery cell and an other battery cell adjacent to each other in a battery module in which a plurality of battery cells are arranged, in which the bus bar body is divided into two parts including a first terminal connecting body whose welding target is a first electrode terminal of the one battery cell and a second terminal connecting body whose welding target is a second electrode terminal of the other battery cell.
Absstract of: US20260121259A1
0000 A conductive module includes: a terminal connection structure that keeps a first electrode terminal and a second electrode terminal in an overlapping state; and a conductive member that is electrically connected to a battery monitoring unit, in which the first electrode terminal and the second electrode terminal include bonding portions that bond the first electrode terminal and the second electrode terminal to each other by pressing bonding surfaces against each other, the terminal connection structure includes a first pressure member that applies a pressure to the bonding portion and a second pressure member that applies a pressure to the bonding portion, and the second pressure member is physically and electrically connected to the conductive member to electrically connect the conductive member to the first electrode terminal and the second electrode terminal.
Absstract of: WO2026086714A1
Provided in the present application are a heat insulation assembly and the use. The heat insulation assembly comprises a heat insulation layer and a heat absorbing agent, wherein the heat insulation layer comprises a pore structure, and at least part of the pore structure of the heat insulation layer is filled with the heat absorbing agent. The heat insulation layer is a fiber mat reinforced aerogel, and the thermal conductivity coefficient of the fiber mat reinforced aerogel at 25°C is less than or equal to 0.025 W/mK, and the thermal conductivity coefficient thereof at 300°C is less than or equal to 0.075 W/mK. The heat absorbing agent is a gel-state heat absorbing agent or a liquid-state heat absorbing agent; and the heat absorbing agent absorbs heat and turns into a gaseous state, and the enthalpy value of the heat absorbing agent is greater than or equal to 1200 J/g.
Absstract of: US20260121133A1
A battery pack includes: a battery cell including a case forming an external shape, an electrode assembly, and an electrolyte, the electrode assembly and the electrolyte being accommodated together inside the case; and a vibrator on the case of the battery cell and configured to generate a vibration wave propagating inside the case to suppress or decompose precipitation of dendrites or lithium salts from the electrolyte.
Absstract of: DE102024135764A1
Offenbart ist eine Vielzahl von Batterie-Pouch-Zellen, die in einer Dose aufgenommen sind, und eine mit der Dose verbundene Endkappe beinhalten, und mindestens eines aus der Dose oder der Endkappe hat darin ausgebildete Entlüftungslöcher.
Absstract of: WO2026086039A1
Provided in the present application are a positive electrode composite material and a preparation method therefor, a positive electrode sheet and a battery. The positive electrode composite material comprises a first positive electrode active material and a second positive electrode active material; the first positive electrode active material comprises a ternary material and a hydrophobic group, the hydrophobic group being chemically bonded to the ternary material; in a same humidity environment, the ratio of the weight change rate of the first positive electrode active material to the weight change rate of the second positive electrode active material is greater than or equal to 0.95 and less than or equal to 1.05. By means of introducing the hydrophobic group onto the ternary material, the present application overcomes the defect of poor electrochemical stability caused by significant differences in moisture sensitivity between different positive electrode active materials in a positive electrode composite material.
Absstract of: WO2026086314A1
A positive electrode material and a preparation method therefor, a battery and an electric device. The positive electrode material comprises: an inner core; a first coating layer, which comprises a first coating material, wherein the first coating material comprises at least one of an oxide solid electrolyte, a sulfide solid electrolyte, a halide solid electrolyte and a polymer composite solid electrolyte; and a second coating layer, which coats the inner core and is coated with the first coating layer, wherein the second coating layer comprises a second coating material, the second coating material comprising a halide solid electrolyte. The coating layers play a role in isolating the material of the inner core from an external environment, thereby reducing the situation that the material in the inner core undergoes side reactions with external substances or the properties of the material are changed due to other reasons.
Nº publicación: US20260121117A1 30/04/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Absstract of: US20260121117A1
Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by the following Formula 1:wherein in Formula 1 above, R1 is an allyl group or a propargyl group; R2, R3, R4 and R5 are each independently selected from hydrogen and or an alkyl group having 1 to 5 carbon atoms; L is a single bond or an alkylene group having 1 to 10 carbon atoms; and X is —C(═O)—, —S(═O)— or —S(═O)2—.
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