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1380
resultados
Última actualización
14/03/2026 [07:18:00]
Resultados 250 a 275 de 1380
Resumen de: US20260074629A1
Embodiments of the present disclosure provide a device. The device includes a kinetic energy capture device and a port for an electric connection to an electrically powered device. The kinetic energy capture device converts kinetic energy, provided by a wearer to whom the device is secured, to electric current. The electrically powered device is secured to the wearer. Additionally, the electrically powered device is a different device than the device.
Resumen de: US20260074369A1
Disclosed is a separator for an electrochemical device and an electrochemical device including the same. The separator for the electrochemical device can reduce the weight of the separator, can improve the energy density of a battery, and can enhance stiffness because cellulose nanocrystals are included in a porous polymer base.
Resumen de: US20260074359A1
The present invention relates to a pouch-shaped battery case manufacturing method including (a) locating a laminate sheet for pouch-shaped battery cases on a lower press die, (b) pressing the laminate sheet using an upper press die to form an electrode assembly receiving portion, (c) forming a venting guide portion in the bottom of the electrode assembly receiving portion, and (d) separating a pouch-shaped battery case having the electrode assembly receiving portion and the venting guide portion formed therein from the lower press die.
Resumen de: US20260074189A1
A negative electrode slurry, negative electrodes, and all-solid-state batteries are provided. The negative electrode slurry comprises a metal-carbon composite in which a metal and a carbon-based material are chemically bonded by sulfur, a binder, and a solvent. An average particle diameter (D50) of the metal-carbon composite is about 150 nm to about 1,000 nm.
Resumen de: US20260074224A1
A supramolecule and a rechargeable lithium battery including the supramolecule are provided. The supramolecule includes: a polymer having a functional group capable of hydrogen bonding; and an aromatic compound having two or more amine groups, wherein the functional group capable of hydrogen bonding of the polymer and the amine group of the aromatic compound form a hydrogen bond.
Resumen de: US20260074220A1
A positive electrode active material, a secondary battery, and an electric device are disclosed. The positive electrode active material satisfies the following relationship: 300≤P*D/Δθ≤800; where P represents the porosity of the positive electrode active material, with a unit of %; D represents the crystal plane dimension of the (110) crystal plane of the positive electrode active material, with a unit of Å; and Δθ represents a splitting degree between a diffraction angle of the (110) crystal plane and that of (108) crystal plane of the positive electrode active material, with a unit of °.
Resumen de: US20260074208A1
A negative electrode material 1000 of the present disclosure includes a negative electrode active material 111, a sulfide solid electrolyte 100, and a conductive additive 110. The negative electrode active material 111 includes a lithium vanadium oxide, a proportion of a volume of the negative electrode active material 111 to a sum of the volume of the negative electrode active material 111 and a volume of the sulfide solid electrolyte 100 is 40% or more and 80% or less, and a proportion of a volume of the conductive additive 110 to a sum of the volume of the negative electrode active material 111, the volume of the sulfide solid electrolyte 100, and the volume of the conductive additive 110 is more than 4.4% and 15% or less.
Resumen de: US20260074207A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide represented by a composition formula (1) Li3+x+aV1−xMxO4+a/2, and an electrically conductive material at least partially coating a surface of the particle. In the composition formula (1), 0
Resumen de: US20260074206A1
A highly scalable process has been developed for stabilizing large quantities of the zeta-polymorph of V2O5, a metastable kinetically trapped phase, with high compositional and phase purity. The process utilizes a beta-CuxV2O5 precursor which is synthetized from solution using all-soluble precursors. The copper can be leached from this structure by a room temperature post-synthetic route to stabilize an empty tunnel framework entirely devoid of intercalating cations. The metastable ζ-V2O5 thus stabilized can be used as a monovalent—(Li, Na) or multivalent—(Mg, Ca, Al) ion battery cathode material.
Resumen de: US20260074341A1
A battery for a motor vehicle has a plurality of battery cells and a battery housing that encloses a housing interior in which the battery cells are received. The battery housing has a perforated sheet on which the battery cells are placed. The perforated sheet has, for each battery cell, an allocated degassing opening on which the allocated battery cell is placed and via which gas exiting the allocated battery cell can be guided out of the housing interior.
Resumen de: US20260074346A1
The invention relates to an electrical cell module comprising: an opposing pair of module end plates spaced apart along a longitudinal axis; a first cell stack; and a second cell stack. Each cell stack comprises: a series of cells stacked along the longitudinal axis, and a pair of stack end plates at opposing ends and configured to be fixed to one another in an assembled position to apply to the series of cells a compressive force along the longitudinal axis, and define a stack length. The compressive forces are within a predetermined operable range. Each opposing pair of module end plates is fixedly engaged, in a use position, with one corresponding stack end plate of each cell stack so the module end plates are spaced apart from one another along the longitudinal axis by a predetermined distance, and the first stack length is different to the second stack length.
Resumen de: US20260074396A1
A pole, a pole component, and a battery are provided. The pole includes a first pole portion and a second pole portion. The first pole portion includes a first end and a second end that are in an axial direction of the first pole portion. An outer periphery of the first pole portion is convexly provided with a first flange, and the first flange is spaced apart from the second end in the axial direction. The first end is provided in a mating groove and engages with the second pole portion. An outer periphery of the second pole portion is convexly provided with a second flange. The first pole portion is spaced apart from the second flange. The second flange is provided with a first connecting groove, and the first flange is at least partially located in the first connecting groove and engages with the second flange.
Resumen de: US20260074390A1
A conductive structure, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post and a metal layer. The metal post includes a first end and a second end opposite to each other. The first end is formed with a first step portion. The metal layer is bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is formed with a second step portion matching the first step portion. The second step portion is configured to be welded to a current collector.
Resumen de: US20260074548A1
A method of determining a battery charging state includes measuring a voltage of a battery by a voltage measuring unit, calculating a compensation voltage for compensating for a voltage drop caused by a second resistance of a connection module disposed between the battery and the voltage measuring unit, and charging the battery, based on a total voltage defined as a sum of the compensation voltage and a cut-off voltage that is determined by a first resistance of the battery.
Resumen de: EP4708543A1
The present application relates to the field of batteries, and provides a battery (1) and an electrical apparatus. The battery (1) includes a thermal management component (40) and an electrical box (30). The electrical box (30) includes a case (31) and a thermally conductive structure (32). The case (31) is configured to accommodate a heat-generating component (33). The thermally conductive structure (32) is sealingly connected to the case (31), and the thermally conductive structure (32) connects the heat-generating component (33) and the thermal management component (40). The electrical box (30) of the battery (1) facilitates heat exchange between the heat-generating component (33) and the thermal management component (40) via the thermally conductive structure (32) to meet the heat dissipation requirements of the electrical box (30). Additionally, by sealingly connecting the thermally conductive structure (32) to the case (31), connection gaps are sealed to prevent liquid infiltration into the interior of the case (31), thereby enhancing the sealing performance of the electrical box (30) and reducing the risk of high-voltage short-circuit arcing in the electrical box (30) due to water infiltration.
Resumen de: EP4708478A1
The present application provides a battery cell, a battery, and an electrical apparatus, and belongs to the field of battery technologies. The battery cell includes a shell, a pressure relief component, and a reinforcement member. The shell has a wall portion, and the wall portion is provided with a pressure relief hole. The pressure relief component is arranged in the pressure relief hole and covers the pressure relief hole. The reinforcement member is arranged in the pressure relief hole and does not exceed the pressure relief hole in a thickness direction of the wall portion. The reinforcement member is connected to a hole wall surface of the pressure relief hole. The reinforcement member and the pressure relief component are arranged in the thickness direction of the wall portion to reinforce the strength of the wall portion at the pressure relief hole. This battery cell is capable of improving, by the reinforcement member, the structural strength of a region of the wall portion where the pressure relief hole is arranged, so as to alleviate the phenomenon that the pressure relief hole deforms when the wall portion is subjected to internal and external impact forces, thereby being capable of playing a protective role for the pressure relief component, so as to reduce the impact to the pressure relief component when the wall portion is subjected to the internal and external impact forces, which is conducive to alleviating the deformation of or damage to the pressure relief
Resumen de: EP4708402A1
The present application discloses a positive electrode plate and a preparation method therefor, a positive electrode plate, a battery and an electrical apparatus. The positive electrode plate comprises a positive electrode current collector, and at least one side of the positive electrode plate away from the positive electrode current collector comprises a polymer and an organic solvent, wherein the organic solvent is located in the polymer, and the electrochemical oxidation window of the organic solvent is greater than 4 V
Resumen de: EP4708490A1
The present disclosure is a housing stacking energy storage system. In the present disclosure, a first housing 10 and a second housing 20 having a predetermined size are stacked, and a rack 30 is installed in a first inner space 11 of the first housing 10 and a second inner space 21 of the second housing 20 to mount a plurality of battery packs 32. The first inner space 11 and the second inner space 21 communicate with each other to form one space, and a control unit 46, a fire extinguishing system 47 and a spray system 48 are installed therein. According to the present disclosure, it is possible to firmly install the energy storage system having a relatively large capacity in a specific installation area.
Resumen de: EP4708467A1
A secondary battery according to an embodiment of the present disclosure may include an electrode assembly, a support frame surrounding a part of the electrode assembly, a sheet-type outer packaging material surrounding a remaining part of the electrode assembly to form an accommodation space accommodating the electrode assembly together with the support frame, and coupled to the support frame to define the accommodation space separated from outside of the support frame, and an electrode terminal electrically connected to an electrode tab of the electrode assembly, and disposed in the sheet-type outer packaging material such that it is exposed to outside of the sheet-type outer packaging material.
Resumen de: EP4708502A1
A cell assembly according to an embodiment of the present disclosure may include a plurality of battery cells stacked on each other and each having an electrode lead; a first bonding body formed to contact the electrode leads of the plurality of battery cells; and a second bonding body formed to contact the plurality of battery cells and non-overlapped with the first bonding body, wherein the first bonding body may be made of a material having lower hardness than the second bonding body.
Resumen de: EP4707235A1
Silicon-carbon composite matertials and related processes are disclosed that overcome the challenges for providing amorphous nano-sized silicon entrained within porous carbon. Compared to other, inferior materials and processes described in the prior art, the materials and processes disclosed herein find superior utility in various applications, including energy storage devices such as lithium ion batteries.
Resumen de: EP4708529A1
The present disclosure relates to a battery module and a battery pack including the same, and more specifically, to a battery module capable of uniformly discharging gases to the outside of the module case while confining flames inside the module case when flames and gases are generated inside the battery module case, and a battery pack including the same.A battery module according to the present disclosure includes a battery cell, a module case accommodating a plurality of battery cells, and a module gas discharge unit that delays the discharge of flames among flames and gases generated inside the module case and discharges gases to the outside, wherein the module gas discharge unit includes check valves installed at each corner portion of the upper surface of the module case, thereby uniformly discharging gases inside the module case to the outside while confining flames inside the module case, which may prevent the propagation of fire to the surroundings.
Resumen de: EP4708371A1
A heating device for heating an electrode according to an embodiment of the present disclosure includes at least one heating lamp disposed to face the electrode; a heating chamber having an internal receiving space accommodating the heating lamp and configured to allow the electrode to pass through; and a control module configured to adjust the temperature of the electrode.
Resumen de: EP4708555A1
The present disclosure provides an insulation structure and a battery. The insulation structure includes an insulation body and a baffle. The baffle is provided on at least one side of the insulation body in the width direction. The baffle is rotatably connected to the insulation body, with the rotation axis of the baffle extending in the length direction of the insulation body. The baffle includes a baffle body and a connecting portion that are connected to each other. The baffle body extends in the length direction of the insulation body. The connecting portion is rotatably connected to the insulation body, and the baffle body is separately provided from the insulation body.
Nº publicación: EP4708401A1 11/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4708401A1
This application provides a negative electrode and a preparation method therefor, a battery cell containing the same, a battery, and an electric apparatus, where the negative electrode includes a negative electrode current collector and a coating disposed on at least one surface of the negative electrode current collector, the coating includes a flexible carbon material, the flexible carbon material includes micropores with a pore diameter less than or equal to 0.8 nm, a pore volume of the micropores with a pore diameter less than or equal to 0.8 nm is denoted as Vmic, a pore volume of the flexible carbon material is denoted as Vtotal, both in units of cm<3>/g, and Vmic:Vtotal≥65:100.
BOPI
Sede Electrónica
