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1446
resultados
Última actualización
27/03/2026 [07:19:00]
Resultados 1025 a 1050 de 1446
Resumen de: WO2026051266A1
The present application provides a nitrogen-containing branched polymer, an anion exchange resin, an anion exchange membrane, and an electrochemical device. The nitrogen-containing branched polymer comprises a nitrogen-containing heterocyclic ring, a branched structure and an aryl, wherein the number of branching points of each branched structure is not less than 3, and the aryl is linked with the branching points of the branched structure by means of the nitrogen-containing heterocyclic ring. The molar ratio of the aryl to the branched structure in the nitrogen-containing branched polymer is A:B = 80-99:1-20. The nitrogen-containing branched polymer satisfies: PDI≤2.6, and has a weight-average molecular weight of 40,000 g/mol to 50,000 g/mol.
Resumen de: WO2026051628A1
A secondary battery and an electronic apparatus. The secondary battery comprises: a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are provided on the positive electrode current collector; and the insulating layer comprises boehmite, the positive electrode material layer comprises lithium iron phosphate and lithium manganate, and the electrolyte comprises lithium difluorophosphate. The present application not only improves the floating charge safety of secondary batteries, but also reduces the rate of particle fragmentation.
Resumen de: US20260070809A1
A positive electrode active material precursor for a lithium-ion secondary battery, containing a metal composite hydroxide, wherein the metal composite hydroxide is in a form of a particle having a core-shell structure whose surface is coated with an iron compound,the core-shell structure is constituted by a core portion and a shell portion,the core portion contains nickel and aluminum as metal elements,the shell portion contains iron as a metal element,when a composition of the core portion is represented by Ni(1-x)Alx(OH)2,0.01≤x≤0.2 is satisfied,anda molar ratio (M2/M1) between a molar amount M1 of the metal element in the core portion and a molar amount M2 of the metal element in the shell portion satisfiesM2/M1=1/100to1/5.
Resumen de: US20260070807A1
Disclosed is a precursor for preparing a cathode active material, more specifically, a precursor for preparing a cathode active material including a center portion and a surface portion sequentially formed from a center of a particle toward an outer surface, wherein the surface portion has a lower density than the center portion.
Resumen de: US20260070808A1
According to embodiments of the present disclosure, a cathode active material for a secondary battery includes first lithium transition metal oxide particles having a single particle form and including cobalt in an amount of 15,000 ppm or less based on their total weight, and second lithium transition metal oxide particles having a secondary particle form and including cobalt in an amount of 15,000 ppm or less based on their total weight. The cobalt content based on the total weight of the first lithium transition metal oxide particles is greater than the cobalt content based on the total weight of the second lithium transition metal oxide particles.
Resumen de: US20260070806A1
A cathode active material for lithium secondary batteries contains secondary particles which are an aggregate of primary particles, in which the cathode active material for lithium secondary batteries has a layered structure, the cathode active material for lithium secondary batteries contains an element M1 and an element M2, the element M1 is at least one element selected from the group consisting of Nb, W, Mo, Ta, La, B, and P, the element M2 is at least one element M2 selected from the group consisting of Ni, Co, and Mn, and (1) and (2) are satisfied.
Resumen de: US20260070810A1
The present invention discloses to tungsten doped mixed cationic cathodes for energy devices notably non-aqueous re-chargeable alkali-ion electrochemical cells and batteries and to the process of preparation thereof. More particularly, the present invention discloses to doped cathode active materials of Formula (I) that show a higher capacity and which can able to retains their structure during the entire charging-discharging cycles.
Resumen de: US20260074238A1
The present disclosure can minimize the problem that the inner and outer surfaces deteriorate due to stress caused by compression and stress caused by elongation, respectively, during bending. Furthermore, the present disclosure can prevent surface cracking and lithium precipitation due to stresses applied during bending. Furthermore, the present disclosure can improve the problem of different electrode densities on the inner and outer surfaces. Furthermore, the present disclosure can prevent a reduction in the lifetime of the battery.
Resumen de: US20260074214A1
A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxygen, magnesium, and nickel. A median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. In EDX line analysis in a depth direction on a region of the positive electrode active material having a plane other than a (001) plane, a distribution of the magnesium partly overlaps with a distribution of the nickel. The conductive material adheres to part of the plane other than the (001) plane of the positive electrode active material.
Resumen de: US20260074205A1
A negative electrode structure for a secondary battery (10) includes: a body (12) that is in a form of a foil or a thin plate and contains zinc as a base material; and a non-electron conductive film (11) provided on at least a first surface of the body (12). The film (11) is stretchable. The film (11) includes: an opening portion (13) formed to expose a portion of a first surface of the body (12); and an electrode reaction inhibiting portion (14) that surrounds the opening portion (13) and inhibits an electrode reaction in the body (12). The film (11) is attached to the body (12) in a liquid-tight manner.
Resumen de: US20260074210A1
A composite active material in the present disclosure includes an active material particle and a coat layer. The active material particle has an O2-type structure. The active material particle contains Li, at least one transition metal element of Mn, Ni, and Co, and O, as constituent elements. The coat layer covers at least a part of a surface of the active material particle. The coat layer is a layer of an oxide that contains Li as a constituent element. A particle diameter (D50) of the composite active material is less than 5.90 μm.
Resumen de: US20260074234A1
Examples of the disclosure include a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least one of copper and copper oxide. The metal layer includes a first metal layer on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer on the first metal layer and including a second copper. The adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: US20260074209A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less.
Resumen de: US20260074352A1
A battery module includes: battery cells stacked in a first direction; and a spacer disposed between the plurality of battery cells adjacent to each other. Each of the battery cells includes a rectangular battery case containing an electrode body and an electrolyte solution therein, the spacer includes a pressing portion configured to press the battery cells in the first direction by making contact with a predetermined pressing region of the rectangular battery case, the pressing region is configured to overlap a central portion of the electrode body and not to overlap both end portions of the electrode body in a width direction of the battery cell, and the pressing portion has a shape in which a portion overlapping a lower side portion than the central portion of the electrode body is larger than a portion overlapping an upper side portion than the central portion of the electrode body.
Resumen de: US20260074349A1
An electric energy storage device which includes four energy units with a substantially same voltage value is provided. Each energy unit is provided with a positive electrode and a negative electrode. The electric energy storage device comprises a socket with eight independently arranged electrode terminals that are connected with the four energy units. The disclosure also provides an electric tool system using the electric energy storage device. The electric tool is provided with plugs that may be connected with the four energy units in different states, allowing the electric energy storage device to output multiple voltages.
Resumen de: US20260074379A1
The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.
Resumen de: US20260074361A1
A battery housing assembly includes a housing with a through-hole, a ventilation device, and a buffer component. The ventilation device is at least partially located outside the through-hole. The buffer component is located outside the housing and has a protective cavity in fluid communication with the ventilation device, and the ventilation device is located within an orthographic projection of the protective cavity on the housing. The ventilation device may be protected to reduce external impact it may receive, and to permit ventilation when the battery housing assembly is subjected to external forces.
Resumen de: US20260074345A1
Each of a plurality of battery cells included in a battery assembly includes a case that accommodates an electrode assembly and that has a substantially rectangular shape in which a second direction orthogonal to a first direction corresponds to a long-side direction and a third direction orthogonal to the first direction and the second direction corresponds to a short-side direction when viewed in the first direction. A restraint member includes a pair of members provided to sandwich the plurality of battery cells in the third direction, and the pair of members are fixed to the end plate in the third direction.
Resumen de: WO2026051252A1
Provided in the present application are a precursor having a porous isolation layer, a positive electrode material, and the preparation therefor and the use thereof. The precursor comprises an inner core, a porous isolation layer covering the inner core, and an outer shell covering the porous isolation layer. The porosity of the porous isolation layer is higher than the porosities of the inner core and the outer shell. The precursor provided by the present application has the porous isolation layer, which blocks the propagation of micro-cracks and provides more space for release of stress built-up by volume expansion/contraction during deep charge and discharge processes, thereby ensuring that a positive electrode material prepared by the precursor has a stable structure and shape during cycle processes, and improving the cycle performance of batteries containing the positive electrode material prepared from the precursor.
Resumen de: WO2026051291A1
A secondary battery and a manufacturing method therefor, an electrode sheet, and an electric device (6). The secondary battery comprises an electrode sheet; the electrode sheet comprises a current collector and an electrode active layer disposed on at least one surface of the current collector; and the electrode active layer comprises an electrode active material and a polymer binder. The polymer binder comprises a core and a shell covering at least part of the surface of the core; at least one of the shell and the core comprises a polymer; both the shell and the core have hole structures; and the number of holes in the shell is greater than that of holes in the core.
Resumen de: WO2026051235A1
Disclosed in the present application is a battery liquid cooling system, comprising: a battery module formed by stacking a plurality of battery cells; a battery casing, an accommodation recess being provided in the battery casing, and the battery module being assembled in the accommodation recess; flow channel plates, located between at least two adjacent battery cells, liquid cooling flow channels being provided in each flow channel plate, and the liquid cooling flow channels being spaced apart from the battery cells, or each flow channel plate being attached to a side surface of a battery cell on at least one side to form liquid cooling flow channels; an immersion liquid inlet, a cooling liquid being introduced into the accommodation recess through the immersion liquid inlet; and an immersion liquid outlet, the immersion liquid outlet being in communication with the accommodation recess, and the liquid cooling flow channels being in communication with the accommodation recess.
Resumen de: US20260070805A1
A positive electrode material and a preparation method thereof, a positive electrode slurry, a positive electrode plate, a lithium ion battery and a preparation method thereof are provided. The battery comprises an electrolyte, the electrolyte comprises lithium hexafluorophosphate and an organic solvent, the positive electrode material comprises a positive electrode active substance and lithium carbonate, the lithium carbonate is coated on the surface of the positive electrode active substance, and a mass ratio of the positive electrode active substance to the lithium carbonate is 1:(0.001-0.03).
Resumen de: US20260070804A1
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: US20260070450A1
A battery charging station is disclosed that includes an electrical system including a charging interface, a communications system including a wireless interface, and a control system. The control system is configured to receive a charging request to initiate a battery charging operation for a battery system of a mobile platform, establish a wireless communications link with the mobile platform via the wireless interface, and receive health status data for the battery system from the mobile platform over the wireless communications link via the wireless interface. The control system is further configured to enable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a first condition, and to disable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a second condition indicating a fault of the battery system.
Nº publicación: US20260070431A1 12/03/2026
Solicitante:
HAYASHI TELEMPU CORP [JP]
TOYOTA JIDOSHA KK [JP]
HAYASHI TELEMPU CORPORATION,
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US20260070431A1
A shielding structure for a battery unit located above a panel and under in-vehicle equipment in a vehicle includes: a fibrous first sound-absorbing member located on the panel and in contact with a lower part of the battery unit; and a fibrous second sound-absorbing member surrounding an upper part and side parts of the battery unit. The battery unit is surrounded by the first sound-absorbing member and the second sound-absorbing member.
BOPI
Sede Electrónica
