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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 250 a 275 de 1314
Resumen de: US2025279555A1
A battery cell comprises: a casing assembly and a battery cell assembly, wherein the casing assembly comprises a casing and a first terminal arranged on the casing; and the battery cell assembly comprises an active-material coated portion and a conductive portion, the active-material coated portion being accommodated in the casing, the conductive portion being used for electrically connecting to the active-material coated portion and the first terminal, the first terminal being provided with an accommodating portion, and the conductive portion being at least partially accommodated in the accommodating portion.
Resumen de: US2025279457A1
An electrode assembly joining apparatus includes a gripper, a press part, and a stack movement part. The gripper holds a part of a stack in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked with separators disposed therebetween. The press part bonds the stack, and the stack movement part supports the stack or moves the stack partially. A method of manufacturing the same is also provided.
Resumen de: US2025279667A1
A battery charging system can include each of a heating element, a heating fan, and a cooling fan located in an airflow path, and a controller configured to operate the heating mode when a battery is connected to the battery charging system and a sensed temperature of the battery is less than a predetermined low threshold. The controller can be configured to operate the heating mode by disconnecting a charging power from the battery, supplying a fan power to the heating fan to force air to flow along the airflow path, supplying a heat power to the heating element to emit heat into the airflow path, and disconnecting a cooling power from the cooling fan. In the heating mode, air flowing along the airflow path flows through the heating fan and enters the heating element, and subsequently exits the heating element and passes along the cooling fan.
Resumen de: US2025279518A1
An energy storage system is disclosed and includes: at least one battery pack; and one or more electrically conductive components each of which including one or more pre-ceramic polymer layers, where the one or more pre-ceramic polymer layers of each of the one or more electrically conductive components electrically insulate the one or more electrically conductive components from other electrically conductive components of the at least one battery pack.
Resumen de: US2025279572A1
A battery management system (BMS) communication system includes a battery module including a housing and a plurality of battery cells in which a battery cell comprises a voltage sensing tab, a first printed circuit board (PCB) mounted on a side of the housing of the battery module and including a temperature sensor electrically connected to the voltage sensing tab of the battery cell to measure a temperature of the battery cell, and a second PCB stacked on a surface of the first PCB and including a cell sensing module electrically connected to the voltage sensing tab and the temperature sensor to exchange signals therewith, in which an antenna pattern module is mounted on a surface of the second PCB.
Resumen de: US2025279655A1
An apparatus for extending battery life includes a control objective map module configured to derive a mapping between a state of charge (“SOC”) of each battery unit of a plurality of battery units with respect to an average SOC of the battery units. A highest capacity battery unit has a highest discharge amount between a SOC maximum and a SOC minimum and a lowest capacity battery unit has a lowest discharge amount between the SOC maximum and the SOC minimum. Each battery unit is connected to a shared bus through a direct current (“DC”) to DC power converter. The control objective map provides a current reference for a battery unit of the plurality of battery units in relation to a common current of the shared bus. The current reference for the battery unit includes a reference current for the DC to DC power converter connected to the battery unit.
Resumen de: US2025276860A1
A stacking apparatus configured to stack workpieces into a neat workpiece queue, where the workpiece queue includes a plurality of workpieces. The stacking apparatus includes: a base bracket; a stacking table for carrying at least one workpiece, where the stacking table is arranged on the base bracket; and at least two shapers, where the shapers act in pairs to perform an alignment operation for aligning the workpieces on the stacking table, paired shapers are configured in such a way that at least one of the actions enables the paired shapers to approach or move away from each other along a first direction above the stacking table, and the alignment operation is performed through the approaching action of the shapers, to obtain the neat workpiece queue through stacking.
Resumen de: US2025277157A1
This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Resumen de: WO2025182545A1
A nonaqueous electrolyte solution according to the present disclosure comprises: a nonaqueous solvent; an electrolyte dissolved in the nonaqueous solvent; and an organic boronic acid. The concentration of the organic boronic acid in the nonaqueous electrolyte solution is 0.02 mass % or more and 0.4 mass % or less. The organic boronic acid may contain a cyclic, linear or branched alkyl group in which at least one hydrogen atom may be substituted with a fluorine atom.
Resumen de: WO2025183656A1
The invention relates to a material for a battery cathode. The material is represented by NaxMyAzDtO2, where M is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); A is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); D is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); with 0.85 < x < 1.1, 0.1 < y < 0.9, 0.1 < z < 0.9, 0.1 < t < 0.9, and the material having a BET surface area in the range of 2.5 to 3.5 mA2/g.
Resumen de: WO2025182604A1
A battery (10) comprises: a flat electrode body (13) in which a positive electrode and a negative electrode are wound with a separator therebetween; and a flat outer can (14) which accommodates the electrode body (13), the flat outer can having a bottomed cylindrical-shape. A first protruding part (31) protrudes in the minor-axis direction of the electrode body (13) and extends in the winding axis direction of the electrode body (13). The first protruding part is provided at both ends, in the major-axis direction of the electrode body (13), of at least one inner surface (14b) of a pair of main surface parts (14a) that are part of the outer can (14) and that face each other in the minor-axis direction of the electrode body (13).
Resumen de: WO2025182651A1
A cylindrical battery (10) comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound via a separator (13); a bottomed cylindrical outer can (16) that accommodates the electrode body (14); a lower insulating plate (19) that is arranged between the electrode body (14) and the bottom portion (35) of the outer can (16) and has a through-hole (41); and a negative electrode lead (21) that has one end joined to the negative electrode (12) and the other end joined to the bottom portion (35). An opposing portion (61) of the negative electrode lead (21) that faces the bottom portion (35) is accommodated in the through-hole (41) when viewed from the axial direction.
Resumen de: WO2025180529A1
The present disclosure provides a tray of a liquid cooling box, and a liquid cooling box. The tray comprises a main body part and at least one reinforcing rib; the reinforcing rib is arranged in a mounting part of the main body part and protrudes relative to the surface of the main body part; and the reinforcing rib and/or the main body part is provided with recesses recessed in the thickness direction of the tray. By providing the reinforcing rib, the structure of the tray can be reinforced, thereby improving the structural strength of the tray; in addition, the reinforcing rib can further support an object to be mounted in the mounting part, thereby reducing the possibility of deformation of said object.
Resumen de: WO2025180503A1
A dioxaphospholane electrolyte additive, an electrolyte, and a lithium-ion battery. The dioxaphospholane electrolyte additive has high solubility and low cost, and, when added to an electrolyte, can form a stable interfacial film at the positive and negative electrode interfaces of the battery, thereby better protecting the electrodes, reducing the generation of byproducts from the electrolyte at the positive and negative electrodes during cycling, suppressing the increase of positive and negative electrode impedance, enhancing the cycle life of the lithium-ion battery, and inhibiting DCR increase during cycling.
Resumen de: WO2025180140A1
A battery (1000), comprising a metal case (100) and a battery cell assembly (200). The battery cell assembly (200) is accommodated in the metal case (100), and the battery cell assembly (200) comprises a first tab (220) and a battery cell body (230) which are electrically connected to each other. The first tab (220) fits against an inner surface of the metal case (100) and is welded to the metal case (100).
Resumen de: WO2025180216A1
A battery pack and a vehicle comprising same. The battery pack (100) comprises: battery groups (1), wherein each battery group (1) comprises two battery cell groups (11) disposed spaced apart from each other in a third direction, each battery cell group (11) comprises a plurality of battery cells (111) arranged in a second direction, and the second direction is perpendicular to the third direction; and a plurality of acquisition circuit boards (4), wherein each battery cell group (11) corresponds to at least one acquisition circuit board (4), and the corresponding plurality of acquisition circuit boards (4) in a same battery group (1) are respectively located on the sides of two battery cell groups (11) close to each other.
Resumen de: WO2025180459A1
The present application provides a positive electrode material, and a preparation method therefor and a use thereof. The positive electrode material comprises an inner core and a coating layer arranged on at least part of the surface of the inner core; the inner core comprises oxide of LinNixCoyMnzMmO2, and the coating layer comprises an Sr element and an L element, wherein M is selected from at least one of Zr, Y, Al, Mo, Ta, Ti, Mg, and B, 0.9≤n≤1.2, 0.8≤x≤1, 0≤y≤0.2, 0≤z≤0.2, 0≤m≤0.05, and x+y+z=1; L is selected from at least one of Al, Ti, B, Zr, Ce, and W; and the mass ratio of the Sr element to a Ni element in the positive electrode material is a, the mass ratio of the Sr element to the Ni element in the coating layer is b, and b/a≥140. The positive electrode material has excellent capacity and stability.
Resumen de: WO2025182466A1
The present invention provides a battery deterioration determination support device which is small in size, low in power consumption, and capable of greatly shortening a measurement time. This method supports a deterioration determination by using an electronic circuit to acquire an internal characteristic of an electrical energy supply medium. The method includes: acquiring the internal characteristics of a battery in advance; selecting two or more frequencies required to determine that the battery is satisfactory or unsatisfactory; storing the selected frequencies; performing discharge control based on the selected frequencies; acquiring voltage data and current data by using voltage measurement means and current measurement means; calculating correction voltage data by performing correction processing on the voltage data; calculating resistance data from the correction voltage data and the current data; calculating at least a portion of Cole-Cole plot data from the resistance data; and performing fitting processing by using at least a portion of the Cole-Cole plot data as necessary.
Resumen de: WO2025182605A1
The present invention makes it possible to ascertain the charging rate of an electric vehicle in accordance with the actual situation. When a vehicle (10) is started, a voltage-estimated SOC value is obtained by estimating the charging rate using the voltage of a large-scale battery (12), and after traveling begins, a change in the charging rate is estimated on the basis of inputs and outputs of current to and from the large-scale battery (12) to obtain a current-integrated SOC calculated value that has changed from the voltage-estimated SOC value, the advisability of reacquisition is determined on the basis of at least one of a continuous traveling history, a charge/discharge history, and a temperature history, and the charging rate is estimated using the voltage of the large-scale battery (12) even if the vehicle (10) is in the P range and reacquisition is permitted, and if the inputs and outputs of current to and from the large-scale battery (12) are less than a first predetermined value.
Resumen de: WO2025183409A1
The present invention relates to a method for preparing a positive electrode active material, a positive electrode active material prepared using same, and a lithium secondary battery comprising same and, more specifically, to a method for preparing a positive electrode active material, the method comprising: forming a lithium nickel-based composite oxide; and coating the lithium nickel-based composite oxide. Forming the lithium nickel-based composite oxide comprises: forming a first aqueous solution comprising an aluminum compound and a basic compound; forming a mixture including the lithium nickel-based composite oxide and the first aqueous solution; adding a second aqueous solution including a cobalt compound to the mixture; and drying and heat-treating the mixture.
Resumen de: WO2025180246A1
A positive electrode material, a preparation method therefor and a use thereof. The positive electrode material comprises a core and a first shell layer, a lattice in a near-surface region of the core having a layered structure is doped with at least one of Co, Ti and Zr, and the first shell layer comprises a material capable of improving the ionic conductivity of the positive electrode material, or a material capable of improving ionic conductivity and electronic conductivity.
Resumen de: WO2025180428A1
A negative electrode sheet (10), a battery cell and an electrical device. The electrical device comprises the battery cell. The battery cell comprises the negative electrode sheet (10). The negative electrode sheet (10) comprises a first area (11) and a second area (12), the second area (12) surrounds the first area (11), and the surface density of the active material of at least part of the second area (12) is less than that of the active material of the first area (11), thereby reducing the probability of lithium precipitation at the edge of the electrode sheet.
Resumen de: WO2025180446A1
The present application belongs to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a plurality of battery cells, a wire harness board and a heat exchange assembly, wherein the wire harness board is electrically connected to all the battery cells, the heat exchange assembly comprises a heat exchange shell and an inverse piezoelectric element, the heat exchange shell is in thermally conductive connection with at least some of the battery cells and has an air inlet, an airflow channel and an air outlet which are in communication in sequence, and the inverse piezoelectric element is arranged in the airflow channel and electrically connected to the wire harness board, and is configured to generate vibration under a voltage applied by the battery cells, so as to drive an external airflow to enter the airflow channel from the air inlet and to be exhausted from the air outlet. In the battery provided in the present application, an airflow is driven by an inverse piezoelectric element to circulate in an airflow channel, thereby adjusting the temperature of battery cells. An airflow is used as a heat exchange medium for the battery provided in the present application, so that leakage of a liquid medium is avoided, thereby achieving relatively good safety performance.
Resumen de: WO2025180167A1
The present application relates to a formation nail, a battery, and a gripper. The formation nail is configured to seal an electrolyte injection hole of a battery, comprising a sealing head and a gripping head, wherein the sealing head is configured to be inserted into the electrolyte injection hole of the battery for interference fit with the electrolyte injection hole to seal the electrolyte injection hole; and the gripping head is connected to one end of the sealing head and has a gripping portion configured to be gripped by a gripper, the outer wall of the gripping portion being provided with a plurality of grooves that are arranged at intervals, which can increase the friction between the gripping portion and the gripper. The formation nail can be reused.
Nº publicación: WO2025180222A1 04/09/2025
Solicitante:
SHENZHEN HELLO TECH ENERGY CO LTD [CN]
\u6DF1\u5733\u5E02\u534E\u5B9D\u65B0\u80FD\u6E90\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2025180222A1
An energy storage power supply (100), comprising a housing (10), an inverter (20), a first heat sink (30), and a hydrogel layer (40). The housing (10) is provided with an opening (11); the inverter (20) is arranged in the housing (10); the first heat sink (30) is thermally coupled to the inverter (20); and the hydrogel layer (40) is thermally coupled to the first heat sink (30) and seals the opening (11).
BOPI
Sede Electrónica
