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1890
resultados
Última actualización
30/06/2026 [12:07:00]
Resultados 1425 a 1450 de 1890
Resumen de: US20260171785A1
An adaptive battery cell monitoring device includes a cell monitoring circuit configured to monitor n battery cells (where n is a natural number) included in a battery module. The device further includes an electrical overstress (EOS) protection circuit configured to protect the cell monitoring circuit from external EOS. The EOS protection circuit is connected between an uppermost terminal of the cell monitoring circuit and a ground terminal of the cell monitoring circuit. The uppermost terminal of the cell monitoring circuit is connected to a positive electrode of an uppermost battery cell of the battery module including k battery cells (where k is a natural number equal to or less than n). The ground terminal of the cell monitoring circuit is connected to a negative electrode of a bottommost battery cell of the battery module. The device further includes a first bypass circuit configured to bypass the external EOS.
Resumen de: US20260171635A1
A battery cell comprises a cell housing having an accommodation portion accommodating an electrode assembly, a vent hole provided in a portion of the cell housing to communicate externally, and a venting device sealing the vent hole, wherein the venting device comprises a first venting portion communicating with the accommodation portion, a second venting portion spaced apart from the first venting portion and communicating externally, a side surface portion in which both open ends are connected to the first venting portion and the second venting portion to form a filtration space, and a filter portion disposed in the filtration space to filter gas.
Resumen de: WO2026125239A1
Aspects of the present invention relate to a battery management system (104) for a battery (102) in an electric, or hybrid-electric vehicle (100), the vehicle having a first electrical circuit (310) that connects the battery to an electric drive unit, EDU, (312) of the vehicle, and a second electrical circuit (302) that connects a second load (304) to the battery. The battery management system is configured: in response to a first operational condition of the vehicle, to send a first control message to a first actuator (308) used to open the first electrical circuit and disconnect it from the battery, the control message comprising a first instruction to set a response time of the first actuator.
Resumen de: US20260171423A1
0000 An anodeless all solid state battery includes an anode current collector, a first intermediate layer disposed on the anode current collector and including a first metal for forming a solid solution alloy with lithium, a second intermediate layer disposed on the first intermediate layer and including a second metal for forming an intermetallic alloy with lithium, a solid electrolyte layer disposed on the second intermediate layer, a cathode active material layer disposed on the solid electrolyte layer, and a cathode current collector disposed on the cathode active material layer.
Resumen de: WO2026125440A1
The present disclosure is related to a positive electrode composite material comprising a positive electrode active material and CNTs. The positive electrode composite material comprises Li, M', and O, wherein M' comprises: - Ni in a content x, wherein 20 at% ≤ x ≤ 50 at%, relative to M'; - Mn in a content y, wherein 30 at% ≤ y ≤ 70 at%, relative to M'; - Co in a content z, wherein 0 at% ≤ z ≤ 5 at%, relative to M'; - Al in a content a, wherein 0.01 at% < a ≤ 5 at%, relative to M', - D in a content b, wherein 0 at% ≤ b ≤ 5 at%, relative to M', wherein D is at least one element selected from the group consisting of B, Ba, Ca, Ce, Cr, Fe, Mg, Mo, Na, Nb, Si, Sr, Ti, V, W, Y, Zn, and Zr; - S in a content of c, wherein 0.01 at% ≤ c ≤ 5 at%, relative to M', and - wherein x+y+z+a+b+c is 100 at%, wherein x, y, z, a, b, and c are measured by ICP.
Resumen de: WO2026127448A1
The technical idea of the present invention provides a vehicle comprising a vehicle frame and a battery pack mounted on the vehicle frame, wherein the battery pack comprises: a housing coupled to the vehicle frame and providing an internal space for accommodating battery cells; a venting valve mounted on the housing and configured to discharge gas in the housing; an extensible pipe comprising a flow path configured to allow the gas discharged from the venting valve to flow therethrough; and a plug coupled to an end of the extensible pipe and comprising a vent hole.
Resumen de: DE102024138394A1
Die Erfindung betrifft ein Verfahren zum Laden eines ersten Akkupacks (3; 4) und eines zweiten Akkupacks (4; 3) mit einem Ladegerät (1), wobei das Ladegerät (1) eine erste Schnittstelle (23; 24), eine zweite Schnittstelle (24; 23), zumindest eine Leistungselektronik (30) zur Bereitstellung einer Ladeleistung an der ersten Schnittstelle (23; 24) und/oder der zweiten Schnittstelle (24; 23) und eine Steuerung (10) umfasst. Die Steuerung (10) erfasst Betriebsdaten zur Bestimmung einer Restladung des jeweils an eine Schnittstelle (23, 24) angeschlossenen Akkupacks (3, 4) und vergleicht die erfassten Betriebsdaten des ersten und des zweiten Akkupacks (3, 4) miteinander. Nach Auswertung des Vergleichs der Betriebsdaten wird die Steuerung (10) primär den Akkupack (3, 4) mit der größeren Restladung laden.
Resumen de: WO2026127435A1
Provided is a secondary battery comprising: an electrode stack including a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode; a battery case surrounding the electrode stack; an electrode lead electrically connected to the positive electrode or the negative electrode and extending to the outside of the battery case; and an O2 sensor layer provided inside the battery case, wherein the O2 sensor layer contains a material that changes in electrical properties upon reacting with O2.
Resumen de: WO2026127713A1
A secondary battery cell provided with a fire-extinguishing sheet according to an aspect of the present invention may comprise: an electrode; a pouch which forms a pocket in which the electrode and electrolyte are accommodated, surrounds the electrode to protect the electrode from the outside, and comprises a first outer skin layer forming a first surface of the pocket and a second outer skin layer forming a second surface of the pocket, wherein the first outer skin layer and the second outer skin layer are bonded to each other at the outer boundary of the pocket and form a sealing portion; a lead tab which extends from the electrode to the outside of the pouch; and a fire-extinguishing sheet which is located in the pocket of the pouch on both surfaces of one of the lead tab and the electrode at the position where the lead tab and the electrode are bonded, and has a fire-extinguishing material encapsulated therein.
Resumen de: US20260171816A1
A centralized control unit for actively balancing a multi-cell battery pack is provided. The centralized control unit may include an analog-to-digital converter (ADC) to monitor and digitize voltage readings of the battery cells in the multi-cell battery pack, a microcontroller unit (MCU) to process the digitized voltage readings from the ADC, analyze a state of the battery cells, and execute one or more balancing algorithms, and a DC-DC converter to enable redistribution of energy to maintain balance across the battery cells.
Resumen de: US20260171623A1
A secondary battery according to various embodiments of the present disclosure may comprise a battery can in which an electrode assembly is housed, and having a terminal hole formed on one side thereof; an electron transfer unit that is disposed inside the battery can, at least a partial region of which protrudes to the outside of the battery can through the terminal hole; and an insulation unit interposed between the electron transfer unit and the battery can.
Resumen de: WO2026125552A1
The invention relates to a system for cooling a battery (2) by means of a dielectric fluid intended to circulate in contact with energy storage members of the battery (2), the cooling system (1) comprising the battery (2), a pump (5) for circulating the dielectric fluid between a main outlet (BS1) and a main inlet (BE1) of the battery (2), a heat exchanger (6) intended to cool the dielectric fluid, an expansion vessel (8), at least one variable-volume tank (9a, 9b) connected to the expansion vessel (8), and an isolation valve (16) designed to allow the selective flow of dielectric fluid between the expansion vessel (8) and the variable-volume tank (9a, 9b).
Resumen de: US20260171491A1
An electrolyte composition includes a solvent, a lithium salt, a diluent, a cationic ring-opening polymerization initiator, and a non-phosphorus polymer. The non-phosphorus polymer has repeating units represented by formula (I), wherein n=30-1200, and based on a total weight of the electrolyte composition being 100 wt %, the electrolyte composition includes 0.5-10 wt % of the non-phosphorus polymer.
Resumen de: US20260171505A1
To prevent an electricity generation element from being affected by heat during manufacture of a battery cell, a method for manufacturing a battery cell includes: stacking electrode sheets in a layering direction to form an electricity generation element, the electrode sheets each including an electrode and a current collector, the electrodes being located in a container, the current collectors each being connected to the electrode in the container and protruding outward from an opening of the container; pressurizing and heating resin pieces from an outside toward a center in layering direction at positions of the openings of the container, the resin pieces being located between the adjacently stacked current collectors; promoting transfer of heat from the electricity generation element to an outside of the electricity generation element during pressurizing and heating the resin pieces; welding resin pieces together between the current collectors; and sealing the opening of the container.
Resumen de: WO2026128411A2
The disclosed technology relates to a coating primer for electrochemical devices, such as lithium ion batteries, including electrodes (both anode and cathode) prepared with a polymer binder functionalized with a leaving group that acts as a mechanical kill switch.
Resumen de: WO2026127116A1
This power storage device comprises an electrode body in which a first electrode plate and a second electrode plate are wound with a separator interposed therebetween, an electrolyte, a bottomed cylindrical case, and a sealing body. The first electrode plate is provided with a current collector having a first main surface and a second main surface, and a first active material layer provided on the first main surface. The first active material layer includes a first region extending from one width-direction end of the current collector to an intermediate point, and a first main region extending from the intermediate point to the other width-direction end. The mass per unit volume of the first active material layer in the first region is at least 50% and less than 100% of the mass per unit volume of the first active material layer in the first main region, and the proportion of the first region in the first active material layer is 50% or less. The electrode body is accommodated inside the case such that the the first region faces the sealing-body side and the first main region faces the bottom-part side of the case.
Resumen de: DE102024138370A1
Die Erfindung betrifft einen Kühlmittelkreislauf (1), insbesondere für ein Kraftfahrzeug, mit einem Kältemittelkreislauf (2) mit einem Verdichter (3), einem ersten Wärmeübertrager (4) und einem zweiten Wärmeübertrager (5), und mit zumindest zwei Expansionsventilen (7, 8), wobei der erste Wärmeübertrager (4) mit einem ersten Fluidkreislauf (19) fluidverbunden ist, wobei der erste Fluidkreislauf (19) weiterhin eine Pumpe (20) und einen Heizkörper (21) aufweist, wobei der zweite Wärmeübertrager (5) mit einem zweiten Fluidkreislauf (22) fluidverbunden ist, wobei der zweite Fluidkreislauf (22) eine Pumpe (23) aufweist und wobei ein dritter Fluidkreislauf (30) vorgesehen ist, in welchem zumindest ein zu temperierendes Aggregat (6) vorgesehen ist, wobei eine Ventileinrichtung (31) vorgesehen ist, welche die Durchströmung und/oder Fluidverbindung des ersten Fluidkreislaufs (19), des zweiten Fluidkreislaufs (22) und/oder des dritten Fluidkreislaufs (30) bewirkt und/oder steuert.
Resumen de: US20260171516A1
A battery management system with a continuous battery cell monitoring function includes a cell monitoring unit (CMU) configured to continuously monitor a status of a plurality of battery cells included in a battery module. The CMU is further configured to, upon detecting an abnormal state of at least one battery cell, notify a battery management unit (BMU) of the abnormal state of the at least one battery cell. The system further includes the BMU configured to manage the at least one CMU. The BMU is further configured to, upon receiving notification of the abnormal state of the at least one battery cell from the CMU, transition from a sleep mode to an active mode and respond to the abnormal state of the at least one battery cell.
Resumen de: US20260171464A1
A battery pack system includes a plurality of battery modules with stacked battery cells. The plurality of battery modules is secured to multiple seating portions in a battery housing. The housing includes a base plate forming its bottom surface, from which multiple transverse members protrude upward, running parallel to each other. A set of longitudinal members intersects these transverse members, creating defined seating portions. Two end-plates are connected to the transverse members, forming parallel side walls. The distance between the end-plates'facing pressing surfaces is precisely adjusted and fixed.
Resumen de: US20260171794A1
The present document describes an auxiliary electrical energy storage system for a vehicle such as a semi-truck comprising a main electric energy storage component (main EESC), an ICE, an alternator, and accessory components generating an auxiliary load. The auxiliary electrical energy storage system has an auxiliary EESC; a DC/DC converter electrically coupled to the main EESC, the auxiliary EESC, the alternator, and the accessory components; and a controller coupled to the DC/DC converter, controlling flow of energy in and out of the EESC's. Such system allows to power the auxiliary load when the vehicle is in an idle state.
Resumen de: WO2026127534A1
The surface pressure compression device for an electrode plate stack for an all-solid-state battery of the present invention may comprise: a support structure which provides a supporting force; a transfer part which is mounted on the support structure, receives an electrode plate stack entering from the outside, and transfers the electrode plate stack along a transfer path; and pressing units which are positioned at the opposite sides of the transferred electrode plate stack interposed therebetween, and apply a surface pressure to the upper and lower surfaces of the electrode plate stack to compress the electrode plate stack. Therefore, the surface pressure compression device distributes the compression force applied to the electrode plate stack and thus prevents pressure concentration, so as to reduce thickness non-uniformity of the electrode plate stack, prevent damage to the electrode plate stack, and enable manufacture of a high-efficiency electrode plate stack.
Resumen de: US20260168868A1
0000 A method for detecting a faulty temperature sensor out of a plurality of temperature sensors in a battery assembly for a vehicle. Each of the plurality of temperature sensors is arranged in an associated location. The method includes obtaining a plurality of data items (DI), where each data item (DI) is associated with a temperature sensor out of the plurality of temperature sensors and where each data item (DI) is indicative of a temperature and a location of the associated temperature sensor. The method further includes comparing the data items (DI) with respect to the associated temperatures and/or the associated locations. Moreover, the method includes determining, based on the comparing, one or more outlier data items (DI) out of the plurality of data items (DI) and inferring the one or more temperature sensors associated with the one or more outlier data items (DI) to be faulty.
Resumen de: WO2026125215A1
The present invention relates to a positive electrode comprising a positive electrode active material and a sulfide solid electrolyte with a low particle size, and additionally a conductive agent and a binder. The present invention further relates to a method for manufacturing said positive electrode and a battery comprising said positive electrode.
Resumen de: WO2026127021A1
Provided is a power storage element comprising: a cylindrical case body in which openings are formed at both ends; an electrode body housed in the case body; a spacer disposed between the case body and the electrode body; and a tape wound around the electrode body and the spacer. The spacer has a protrusion protruding from an outer edge of the tape when viewed from a first direction from one opening to the other opening, and the protrusion is provided between the tape and the one opening in the first direction.
Nº publicación: WO2026127358A1 18/06/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026127358A1
The present invention provides a coating layer of a novel composition on a lithium metal negative electrode for use in a lithium secondary battery, thereby achieving the effect of improving the coulombic efficiency and lifespan of a lithium secondary battery using the lithium metal negative electrode. A coating layer of a negative electrode for a lithium secondary battery according to an aspect of the present invention is characterized by including fluorine and boron.
BOPI
Sede Electrónica
