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575
results.
Updated on
14/09/2026 [07:52:00]
Results 150 to 175 of 575
Absstract of: US20260269233A1
A positive electrode material includes a layered oxide represented by a chemical formula NaaNibFecMndMeOf, where 0.8≤a≤1, 0≤b≤0.2, 0.25≤c≤0.5, 0.26≤d≤0.6, 0≤e≤0.1, 1.8≤f≤2, and M is a doping metal element. The preparation method for the positive electrode material includes the step of sintering a precursor of NaaNibFecMndMeOf. The positive electrode includes the layered oxide represented by the chemical formula, and the sodium battery includes the positive electrode. The electric apparatus includes the sodium battery. The layered oxide contained in the positive electrode material features high structural stability, gram capacity and energy density, and good cycling performance.
Absstract of: US20260264925A1
The present disclosure relates to a secondary battery packaging interleaf and a secondary battery packaging box, and more specifically, relates to a secondary battery packaging interleaf and a secondary battery packaging box, capable of preventing damage to recognition codes of a plurality of accommodated cylindrical battery cells.According to one example, it is possible to provide a secondary battery packaging interleaf comprising a partition wall forming multiple accommodation spaces, in which multiple cylindrical battery cells with printed recognition codes are each accommodated, and provided with a contact prevention portion that is not in contact with the recognition code on the outer peripheral surface of the accommodated cylindrical battery cell, and a packaging box comprising the same.
Absstract of: AU2025338227A1
The present application relates to an energy storage container and a fuse adaptation method. The energy storage container comprises: a busbar unit; a plurality of high-voltage boxes connected to the busbar unit; a plurality of battery clusters, each battery cluster being electrically connected to a corresponding high-voltage box; and a processing unit electrically connected to the plurality of high-voltage boxes. The high-voltage boxes each comprise a first short-circuit protection unit and a first current detection unit electrically connected to the first short-circuit protection unit, wherein the first short-circuit protection units are electrically connected to the processing unit.
Absstract of: US20260269300A1
A battery manufacturing apparatus includes a negative electrode notching device configured to assign a first electrode ID to individual notched electrodes; a first cutting device for separating individual negative electrodes assigned the first electrode ID; a positive electrode notching device configured to assign a second electrode ID to individual notched electrodes; a second cutting device for separating individual positive electrodes assigned the second electrode ID; a stacking device configured to stack the individual positive electrodes and the individual negative electrodes with a separator therebetween; and a roll map creating device.
Absstract of: US20260269529A1
A connector inspection device, for connecting to a connector of a battery module and inspecting the performance of the connector, including a first body portion, a second body portion having a first surface connected to a surface of the first body portion, a third body portion that has a first surface connected to a second surface of the second body portion and includes a detection member connected to the connector and receiving an electrical signal from the connector, and a fourth body portion having a first surface facing the second surface of the third body portion, having the detection member located therein, and being movable toward the third body portion is provided. The second body portion, the third body portion, and the fourth body portion may be movable along the surface of the first body portion.
Absstract of: US20260269245A1
A sodium ion battery is provided. The sodium ion battery includes a cathode which has a composite cathode active material, and an anode which has an anode active material. The composite cathode active material includes at least a first cathode active material and a second cathode active material. The first cathode active material and/or the second cathode active material is a polyanionic cathode active material. Prior to a first discharging and/or charging process of the sodium ion battery, the first cathode active material is fully sodiated and the second cathode active material is fully desodiated. The anode active material is pre-sodiated prior to the first discharging and/or charging process of the sodium ion battery. Also provided are a method for producing a sodium ion battery of this type and a use of a sodium ion battery of this type.
Absstract of: WO2026183949A1
The present application belongs to the technical field of batteries. Provided are a battery module, a battery pack and an electric device. The battery module comprises: a plurality of battery cell assemblies stacked in a first direction, wherein the plurality of battery cell assemblies comprise two first battery cell assemblies respectively located at two ends in the first direction, and at least one second battery cell assembly located between the two first battery cell assemblies, each first battery cell assembly comprising a first battery cell and a first fixing structural member, which is arranged around the outer side of the first battery cell and is configured to press and hold the first battery cell; a spacer, which is arranged between every two adjacent battery cell assemblies and is configured to cushion the expansion of the battery cell assemblies in the first direction; and a second fixing structural member, which is arranged around the outer side of the plurality of battery cell assemblies and is configured to press and hold the plurality of battery cell assemblies. The technical problem to be solved is how to maintain the battery cell assembly efficiency while suppressing the expansion of the battery cells. The technical effects are that the expansion of the battery cells is rationally restricted and the battery cell assembly efficiency is also improved.
Absstract of: WO2026184360A1
The present application relates to the technical field of batteries. Provided are a fixing base, an end plate assembly and a battery module. The fixing base comprises a body and two retaining edges, wherein one end of the body is provided with an output terminal mounting channel; the output terminal mounting channel extends in a first direction and penetrates one side of the body to form a first channel port; the two retaining edges are connected to the body; and in a second direction, the two retaining edges are respectively located on two sides of the output terminal mounting channel and are arranged adjacent to the first channel port.
Absstract of: US20260269242A1
According to an embodiment, a battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode contains a first oxide. In a hard X-ray photoelectron spectroscopic spectrum for a surface of the positive electrode, a ratio B/A is 0.07 or more and 0.20 or less. The negative electrode contains a lithium titanium-containing oxide. In a hard X-ray photoelectron spectroscopic spectrum for a surface of the negative electrode, a ratio D/C is 0.75 or more and 1.8 or less. The electrolyte contains a carboxylic acid ester and a cyclic carbonate. A volume of the carboxylic acid ester is at least 2.3 times a volume of the cyclic carbonate.
Absstract of: US20260269231A1
According to one embodiment, an electrode includes an active material including an oxide represented by a general formula LixNi1-a-b-cCOaMnbMcO2 (wherein x, a, b and c satisfy 0.9≤x≤1.25, 0.05≤a≤0.5, 0.03
Absstract of: US20260269241A1
One embodiment provides an electrode including an active material-containing layer containing an active material and 1st and 2nd electro-conductive agents. An integral intensity ratio ID/IG of D band to G band is 0.5R2>R1-2.
Absstract of: WO2026184152A1
A secondary battery, comprising an electrode assembly. The electrode assembly comprises first electrode sheets, separators and second electrode sheets which are sequentially stacked in a first direction. The first electrode sheets comprise a first double-sided electrode sheet located between two adjacent second electrode sheets, wherein the first double-sided electrode sheet comprises a first metal foil and first active layers arranged on two surfaces of the first metal foil in the first direction. The first electrode sheets further comprise first single-sided electrode sheets, wherein the outermost electrode sheets of the electrode assembly in the first direction are the first single-sided electrode sheets; each first single-sided electrode sheet comprises a first current collector and a second active layer; the second active layer is arranged on the surface of the first current collector that faces the second electrode sheets; the first current collector comprises a first polymer layer and a second metal layer which are stacked in the first direction; the resistance per unit area of 1 cm2 of the first metal foil at 25°C is R1, and the resistance per unit area of 1 cm2 of the second metal layer at 25°C is R2; and -30 mΩ≤R1-R2≤15 mΩ. By means of the secondary battery and electronic device in the present application, the problem of capacity loss of the secondary battery can be ameliorated.
Absstract of: WO2026183986A1
Provided in the present application is a method for removing copper and aluminum from leach liquor of black mass or an iron-phosphorus residue of a lithium iron phosphate battery. The method comprises the following steps: adjusting the pH of leach liquor of black mass or an iron-phosphorus residue of a lithium iron phosphate battery to a value of less than 2, and then subjecting same to primary aluminum removal and primary solid-liquid separation, so as to obtain primary aluminum-removed liquor and an aluminum removal residue; and adjusting the pH of the primary aluminum-removed liquor, and then subjecting same to copper removal, secondary aluminum removal and secondary solid-liquid separation, so as to obtain impurity-removed leach liquor. In the method of the present application, by means of both the process flow of firstly removing aluminum, then removing copper and finally removing aluminum again and pH control during primary aluminum removal, not only can the problem of copper being dissolved in the leach liquor again after oxidization be avoided, but the loss rate of iron and phosphorus can also be reduced.
Absstract of: US20260269589A1
This application relates to batteries and provides a high-voltage power distribution device, a battery device, and an electric apparatus. The power distribution device includes a housing and multiple electrical connection members. The housing has an insulated main body, and the electrical connection members are embedded in the main body and spaced apart from one another. Each electrical connection member includes a connection portion and an output portion. The housing is provided with an interface configured to receive an external electrical connector, with each output portion extending into and exposed within the interface. When the external connector is inserted, its terminal contacts the output portion, enabling direct electrical connection without the need for additional adapters or wires. This design simplifies the structure of the power distribution device and improves assembly efficiency.
Absstract of: US20260269385A1
A secondary battery includes an electrode assembly including a plurality of unit cells stacked in a first direction, and having electrode leads at opposing ends in a second direction perpendicular to the first direction; a multifunctional terminal block (MTB) included at the opposing ends of the electrode assembly; and a laminate sheet that wraps around sides of the electrode assembly, wherein the MTB includes: an electrode terminal part electrically coupled with the electrode leads of the electrode assembly; and a rupture disk configured to rupture to discharge gas.
Absstract of: US20260266911A1
A determination system comprises: a calculating unit for calculating, from each set of time-series data including a DC current value and at least one value of a DC voltage value or an SOC of a secondary battery during charging/discharging, which is at least one of charging and discharging of the secondary battery, spectrum information representing a spectrum in a two-axis coordinate system in which one axis represents a relaxation time and the other axis represents intensity; and a determining unit which uses shape information relating to the shape of the spectrum calculated by the calculating unit to determine a control condition of the secondary battery.
Absstract of: US20260269407A1
The battery case includes: a first case, a second case, a first sealing member, and first fasteners. The first case and the second case are connected in a sealed manner to form a sealed cavity, the first case includes a first sealing surface, the second case includes a second sealing surface, and the first sealing surface cooperates with the second sealing surface to form a sealing interface. The first sealing member is disposed at the sealing interface to seal the first sealing surface and the second sealing surface. The first fasteners pass through the first sealing surface and the second sealing surface to connect the first sealing surface and the second sealing surface to clamp the first sealing member. The first fasteners are completely located outside the sealed cavity, and are located on a side, distal to the sealed cavity, of the first sealing member.
Absstract of: US20260269256A1
An energy storage device comprising two electrodes, and a separator located between and electrically separating the two electrodes wherein at least one of the electrodes comprises an active layer that comprises electrode active particles, an electrically conductive element, and an electrolyte. The active layer is characterized by one or more of the following: the volume of the active layer in the presence of the electrolyte is at least 10%, preferably at least 20%, larger than a volume of a combination of the electrode active particles and the electrically conductive element in the absence of the electrolyte; a volume during use at least 10%, preferably at least 20%, larger than an original volume; the electrically conductive element is in the form of a flexible network capable of expansion and/or compression; the active layer includes flexible binder which facilitates expansion and contraction of the active layer.
Absstract of: US20260269439A1
Two openable and closable electrolyte circulation mechanisms for replenishing or replacing an electrolyte by circulating the electrolyte from the inside of a battery container to the outside of the battery container or from the outside of the battery container to the inside of the battery container are provided. The circulation mechanism includes a fixing portion that is fixed by welding to an outer surface or an inner surface of the battery container, a shaft portion that is integrally formed with the fixing portion, has a flow path that is inserted through the inside of the fixing portion and fluidly connected to an internal space of the battery container, and protrudes outward from the outside surface of the battery container, and a sealing body detachably attached to the distal end side of the shaft portion so as to be capable of opening and closing an opening portion of the flow path.
Absstract of: WO2026183948A1
The present application relates to the technical field of batteries, and provides a battery cell assembly, a battery module, a battery pack, and an electric apparatus. The battery cell assembly comprises: a battery cell having two main planes opposite to each other in a first direction and two side planes opposite to each other in a second direction; a frame sleeved on the outer side of the battery cell, and comprising two first plates opposite to each other in the second direction and two second plates configured to be respectively connected to the two first plates, wherein the height of each first plate in the first direction is smaller than the height of the battery cell in the first direction, so that the two side edges of the side planes in the first direction extend beyond the first plates; a first fixing structural member arranged around the outer sides of the first plates and of the battery cell, and configured to press and hold the battery cell; and a second fixing structural member arranged around the outer side of the first fixing structural member, and configured to further press and hold the battery cell by means of the first fixing structural member. The technical problem to be solved is how to avoid damage to a battery cell while inhibiting the expansion of the battery cell. The technical effect is to reasonably limit the expansion of the battery cell and reduce the pressure on the battery cell.
Absstract of: WO2026184495A1
A battery cell, a battery pack, an electric device, and an energy storage device. The battery cell comprises electrode cores, electrode members, and adapter pieces. Each adapter piece is arranged between the electrode core and the corresponding electrode member. Each adapter piece is connected to the electrode core by means of first connecting protrusions, and/or each adapter piece is connected to the corresponding electrode member by means of a second connecting protrusion by resistance welding.
Absstract of: WO2026186573A1
The purpose of the present invention is to obtain a positive electrode active material having high thermoelectric performance factors and compatible with the maximum charge state and the maximum discharge state of a lithium ion battery by respectively decreasing and increasing the lithium lower limit amount of a β phase LixV2O5 (0.22 ≤ x ≤ 0.37) and the lithium upper limit amount of a β' phase LixV2O5 (0.44 ≤ x ≤ 0.49) while maintaining the V2O5 skeleton structures of both phases without passing through an electrochemical method. A lithium-desorption type β-LixV2O5 (x < 0.22) and a lithium-insertion type β'-LixV2O5 (x > 0.49) are provided by subjecting β-LixV2O5 (0.22 ≤ x ≤ 0.37) or β'-LixV2O5 (0.44 ≤ x ≤ 0.49) to a non-electrochemical topoisomerase reaction in which an oxidizing agent or a reducing agent is added.
Absstract of: US20260271240A1
A cooling plate device, a heat dissipation system, and a server are provided. The cooling plate device comprises: a transmission assembly comprising a first water inlet pipe, a first water outlet pipe, a first connecting plate, and a second connecting plate, the first water inlet pipe comprising a first nozzle and a second nozzle, the first nozzle being connected to the first connecting plate, the first water outlet pipe comprising a third nozzle, and the third nozzle being connected to the second connecting plate; a memory cooling plate, one end of the memory cooling plate being connected to the first connecting plate, another end of the memory cooling plate being connected to the second connecting plate, the first water inlet pipe, the first connecting plate, the memory cooling plate, the second connecting plate, and the first water outlet pipe being sequentially connected to form a liquid cooling channel.
Absstract of: WO2026184312A1
The present application provides a battery cell and an electric device. A casing of the battery cell comprises a first wall and a second wall which are opposite to each other in the thickness direction of the battery cell, wherein the first wall comprises a first main body wall and a first step wall, and the first step wall is recessed toward the second wall relative to the first main body wall. The battery cell further comprises an electrode assembly and an electrode terminal, wherein the electrode assembly is provided in the casing, and the electrode assembly comprises a first electrode sheet and a second electrode sheet having opposite polarities. The electrode terminal is provided on the first step wall, and is electrically connected to the first electrode sheet, and a thickness H0 of the first step wall satisfies that H0≤0.2 mm. A reinforcing structure is formed between the first main body wall and the first step wall, such that the first step wall is less likely to deform when stressed, thereby maintaining the effectiveness of sealing between the electrode terminal and the first step wall, reducing the risk of electrolyte leakage, and improving the safety of the battery cell.
Nº publicación: US20260266918A1 10/09/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Absstract of: US20260266918A1
Provided are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a data acquisition unit for acquiring a first target full cell profile indicating a correspondence relationship between a capacity factor and a voltage of a target cell while a first electrical stimulus is applied to the target cell; and a control circuit for generating an estimated full cell profile on the basis of the first target full cell profile and an overvoltage profile. The control circuit determines a first performance factor group as a primary estimation result for the charging and discharging performance of the target cell by applying cell diagnosis logic to the estimated full cell profile. If the diagnostic performance of a factor correction model is evaluated as having satisfied a predetermined condition, the control circuit applies the factor correction model to the first performance factor group so as to determine a second performance factor group as a secondary estimation result for the charging and discharging performance of the target cell.
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