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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 975 a 1000 de 1190
Resumen de: US20260321636A1
0000 A secondary battery includes a negative electrode plate including a negative electrode current collector and a negative electrode film layer having a first surface distal to the negative electrode current collector and a second surface opposite to the first surface. A first region extending from the second surface to a thickness range of 0.3 H(H being a thickness of the negative electrode film layer) includes a first negative electrode active material including a first carbon-based material. A second region extending from the first surface to the thickness range of 0.3 H includes a second negative electrode active material including a second carbon-based material. The first carbon-based material includes natural graphite. A total pore area of an internal region of the second carbon-based material is greater than a total pore area of an external region of the second carbon-based material.
Resumen de: US20260322148A1
0000 The battery management system includes: a plurality of switch assemblies, each being connected between a battery and a corresponding load, and configured to connect the battery to the corresponding load or disconnect the battery from the corresponding load; a sampling circuit including sampling branches in a one-to-one correspondence with the plurality of switch assemblies, and each sampling branch being configured to acquire a voltage at a sampling detection point, where a first end of each sampling branch is connected to a corresponding switch assembly, and a connection point is the sampling detection point; a second end of each sampling branch is connected to a voltage source, and a connection point is a reference sampling point; and a third end of each sampling branch is connected to a sampling module; the voltage source, configured to supply a reference voltage to the reference sampling point; and the sampling module.
Resumen de: US20260321637A1
0000 A secondary battery includes a negative electrode plate, the negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector, the negative electrode film layer includes a negative electrode active material, and the negative electrode active material includes a first carbon-based material and a second carbon-based material. The first carbon-based material has a pore structure, and the total pore area S2 of an internal region of the first carbon-based material is larger than the total pore area S1 of an external region of the first carbon-based material; and the second carbon-based material satisfies ID/IG≤0.140.
Resumen de: US20260321896A1
A composite current collector, an electrode plate, a secondary battery, and a power consuming apparatus are provided. The composite current collector includes a support layer, and a binding layer and a conductive layer that are sequentially stacked on at least one side surface of the support layer, where the binding layer includes a binding layer body and a protrusion portion, and the protrusion portion protrudes from the binding layer body and is embedded in the support layer.
Resumen de: US20260321702A1
A secondary battery pocket portion sealing apparatus including a first sealing unit having a first sealing tool disposed on one side of the sealed portion so as to press and heat the sealed portion such that the sealing portion is sealed, a friction pad portion connected to the first sealing tool, the friction pad portion having a first friction pad and a second friction pad disposed at both ends of one surface of the sealed portion, and a driving member configured to move the first sealing tool and the friction pad portion back and forth, and a second sealing unit having a second sealing tool disposed on the other side of the sealed portion so as to press and heat the sealing portion such that the sealing portion is sealed is provided. A secondary battery pocket portion sealing method using the sealing apparatus is also provided.
Resumen de: US20260322279A1
A half-bridge-based active state-of-charge (SOC) balancing circuit for a lithium-ion battery pack is disclosed. The circuit comprises an n-winding-output half-bridge converter, n-1 bridging capacitors, and n lithium-ion batteries. The n-winding-output half-bridge converter includes power switches S1 and S2, input capacitors Cin1 and Cin2, a magnetizing inductor Lm, a transformer T, a first output diode D1 and a first output capacitor C1, a second output diode D2 and a second output capacitor C2, …, and an nth output diode Dn and an nth output capacitor Cn. Compared with conventional multi-winding transformer-based balancing structures, the disclosed active balancing circuit achieves balancing of a lithium-ion battery pack using only two switching devices, thereby reducing control complexity and cost. In addition, the circuit avoids terminal voltage imbalance caused by cross-regulation effects during multi-winding output of the transformer, effectively reducing voltage deviation and improving battery balancing accuracy.
Resumen de: US20260321578A1
0000 The disclosed cylindrical lithium primary battery includes an electrode group formed by winding a positive electrode, a negative electrode, and a separator. The outermost circumference of the negative electrode is disposed outside the outermost circumference of the positive electrode. The negative electrode includes first and second metal foils and a conductive sheet. The first metal foil and the second metal foil are each made of lithium metal or a lithium alloy. A ratio T2/T1 of a thickness T2 of the second metal foil to a thickness T1 of the first metal foil is 0.30 or more and less than 1.00. At least a part of the outermost circumference of the negative electrode is formed of the second metal foil. The conductive sheet is connected to an outer circumferential surface of an outermost circumferential end portion of the first metal foil and an outer circumferential surface of an innermost circumferential end portion of the second metal foil. At least a part of the outermost circumference of the positive electrode faces the second metal foil with the separator interposed therebetween.
Resumen de: US20260321823A1
Disclosed is a cylindrical battery configured to reduce the deformation of an electrode assembly and the intensity of flame when a thermal event occurs inside a battery cell. A cylindrical battery according to an aspect of the disclosure includes: an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween and having a center hole formed by winding a laminate including the first electrode, the second electrode, and the separator around a winding axis; a battery housing configured to accommodate the electrode assembly through an opening formed on one side thereof; and a resist member at least partially received inside the center hole.
Resumen de: US20260321720A1
0000 The present invention relates to aliovalently substituted argyrodite-type solid electrolyte solid electrolytes. These solid electrolytes display and increased ionic conductivity.
Resumen de: US20260321573A1
A hot-pressing roller mechanism, a pressing roller mechanism, an adhesive application device and a battery production system. The hot-pressing roller mechanism includes a hot-pressing roller and a heating assembly, wherein the heating assembly and the hot-pressing roller are spaced apart from each other; and the heating assembly is configured to perform non-contact heating on the hot-pressing roller.
Resumen de: US20260321640A1
A secondary battery includes a negative electrode plate, and the negative electrode plate includes a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector and including a negative electrode active material, where the negative electrode active material includes a first carbon-based material and a second carbon-based material, the first carbon-based material has a pore structure, ID/IG of the first carbon-based material is less than or equal to 0.280, ID denotes the D peak intensity at 1350±50 cm−1 in the Raman spectrum, and IG denotes the G peak intensity at 1580±50 cm−1 in the Raman spectrum; and the second carbon-based material is an amorphous carbon material.
Resumen de: US20260321603A1
A secondary battery includes negative electrode plate including negative electrode film layer having first surface and second surface opposite to each other. First region of the negative electrode film layer extending from the second surface to thickness range of 0.3H includes first active material including first carbon-based material. Second region of the negative electrode film layer extending from the first surface to thickness range of 0.3H includes second active material including second carbon-based material that includes amorphous carbon material. The first carbon-based material includes external region and internal region inside the external region. The external region extends from surface of particle of the first carbon-based material to interior of the particle by distance of 2.5 μm. In cross-sectional view of the first carbon-based material, total pore area of the external region is smaller than total pore area of the internal region.
Resumen de: US20260321886A1
0000 Disclosed in the present application are a separator, a battery and an electric device. The separator comprises a porous substrate and a coating arranged on at least one surface of the porous substrate, wherein the coating comprises a fiber material and a granular filler, the fiber material comprises a first fiber material and a second fiber material, the average length of the first fiber material is denoted as L<1>, the average length of the second fiber material is denoted as L<2>, L<1 >is greater than 800 nm, and L<1>/L<2 >is greater than or equal to 2.4. The present application enables the battery to have a high reliability and good cycle performance.
Resumen de: US20260321935A1
A battery apparatus includes: a battery cell assembly including a plurality of battery cells having electrode terminals; a box body including a first portion and a second portion, where the second portion covers the first portion to form an accommodating cavity for accommodating the battery cell assembly; and a first surface of the second portion has at least one of a protrusion portion and an opening portion, the first surface being a surface of the second portion facing the electrode terminals; and an insulating member located between the first surface of the second portion and the battery cell assembly. The insulating member includes a first insulating member and a second insulating member, where the first insulating member is disposed opposite to the first surface of the second portion, and has a hollowed-out portion exposing at least one of the protrusion portion and the opening portion.
Resumen de: US20260321725A1
0000 Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material including a lithium nickel-based oxide represented by Formula 1, the non-aqueous electrolyte includes a lithium salt, an organic solvent, a first additive including a compound represented by Formula A, and a second additive including a compound represented by Formula C,
0000
wherein all the variables are described herein.
Resumen de: US20260321598A1
A positive electrode active material is provided and includes a lithium nickel oxide and zirconium oxide. The lithium nickel oxide is represented by a composition formula of LidNi1-a-b-cCoaAlbMcO2, where M is at least one element selected from Na, Cu, W, Fe, and Zn, and 0≤a≤0.2, 0≤b≤0.2, 0≤c≤0.1, and 0.90≤d≤1.1 are satisfied.
Resumen de: US20260321592A1
A negative electrode for secondary batteries comprises a negative electrode current collector and a negative electrode mixture layer disposed on the negative electrode current collector. The negative electrode for secondary batteries comprises a negative electrode current collector and a negative electrode mixture layer disposed on the negative electrode current collector. The negative electrode for secondary batteries is characterized in that the negative electrode mixture layer includes a carbon material and a Si-based material, a pore size distribution of the negative electrode mixture layer as measured by mercury intrusion porosimetry has a peak R1 with a maximum value VR1 in a pore size range of 1-3 μm and a peak R2 with a maximum value VR2 in a pore size range of 30-100 μm, and the ratio (VR2/VR1) of the maximum value VR2 of the peak R2 to the maximum value VR1 of the peak R1 is 0.5-100.
Resumen de: US20260321810A1
0000 This lid body is used for the exterior body of a power storage device and includes: a lid main body configured including a metal material; and a covering body configured including a resin material and covering a part of the lid main body. The lid main body has a covered part covered by the covering body. The covered part has at least one of a through hole, a recessed part recessed to the side opposite to the covering body, or a protruding part protruding toward the covering body.
Resumen de: US20260321628A1
0000 Positive electrode active material particles according to one aspect of the present invention include: first active material particles and second active material particles, in which the first active material particles and the second active material particles each contain a lithium transition metal compound having a polyanion structure, and a destructive test force of the first active material particles is 5.0 mN or more, and a destructive test force of the second active material particles is 4.2 mN or less.
Resumen de: US20260321813A1
Disclosed is a power cell that includes a metallic anode; an air cathode; an electrolyte, the electrolyte placing the metallic anode into electronic communication with the air cathode; and an enclosure, the enclosure encapsulating therein the metallic anode, the air cathode, and the electrolyte. The enclosure can include an air path and minimize the exposure of the battery to the external environment while allow the sufficient air flux for battery operation, and the enclosure can comprise a biodegradable material, such as a wax. Also disclosed is a method, comprising implanting a power cell according to the present disclosure into a soil environment. Also described is a method, comprising assembling a power cell according to the present disclosure. Further provided is a method, comprising powering a device using a power cell according to the present disclosure.
Resumen de: US20260317089A1
0000 An object loading system having a circulation traveling path that sequentially passes through a first section, an acceleration section, and a second section is provided. A loading part can repeatedly circulate through the first section, the acceleration section, and the second section and is configured to hold an object disposed in the first section and to load the object in the second section. A controller configured to control the first loading part to be repeatedly circulated through the first section, the acceleration section, and the second section, is configured to control the first loading part to pass through the acceleration section at a faster speed than each of the first section and the second section.
Resumen de: US20260321646A1
0000 Provided are secondary battery and an electric device. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material. The negative electrode active material includes a first carbon-based material and a second carbon-based material, and both the first carbon-based material and the second carbon-based material are provided with pore structures. The I
Resumen de: US20260321902A1
0000 In an energy storage apparatus including energy storage devices, an Nth energy storage device at an Nth position from a first energy storage device at an end in a first direction, includes, as an end portion in the first direction, a (2N−1)th end portion where (2N−1)th positive and negative electrode terminals are located, and a (2N)th end portion where (2N)th positive and negative electrode terminals are located. An (N+1)th energy storage device adjacent to the Nth energy storage device includes, as an end portion in the first direction, a (2N+1)th end portion where (2N+1)th positive and negative electrode terminals are located, and a (2N+2)th end portion where (2N+2)th positive and negative electrode terminals are located. The (2N)th and (2N+1)th end portions face each other in the first direction, the (2N)th and (2N+1)th positive electrode terminals are electrically connected, and the (2N)th and (2N+1)th negative electrode terminals are electrically connected.
Resumen de: US20260317186A1
0000 A method for preparing lithium hydroxide including adding a lithium salt aqueous solution to a salt chamber between an anion dialysis membrane and a cation dialysis membrane adjacent to each other of a bipolar electrodialysis device, adding an acid chamber reaction solution to an acid chamber, adding a base chamber reaction solution to a base chamber; supplying a desalination solution to a salt tank, supplying an acid solution formed in the acid chamber to an acid tank, supplying a lithium hydroxide solution formed in the base chamber to a base tank; circularly supplying the desalination solution in the salt tank to the salt chamber, circularly supplying the acid solution in the acid tank to the acid chamber, and circularly supplying the lithium hydroxide solution to the base chamber, wherein a gauge pressure of the salt chamber is higher than a gauge pressure of the acid chamber.
Nº publicación: US20260321642A1 15/10/2026
Solicitante:
NITERRA CO LTD [JP]
Niterra Co., Ltd.
Resumen de: US20260321642A1
An electrode includes a current collector and a material-mixed layer attached to the current collector, the material-mixed layer containing a Si-containing material and a carbon-based active material. In a region of a cross section of the material-mixed layer taken in a stacking direction, which region extends 5 μm in a thickness direction from an interface between the material-mixed layer and the current collector, the ratio R1 of an area of the Si-containing material to the sum of the area of the Si-containing material and an area of the carbon-based active material is 10% or greater and 40% or less.
BOPI
Sede Electrónica
