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1903
resultados
Última actualización
06/10/2025 [07:12:00]
Resultados 25 a 50 de 1903
Resumen de: DE102024001025A1
Die Erfindung betrifft ein Fahrzeug (2) mit einem im Fahrzeugbodenbereich angeordneten elektrischen Energiespeicher (1) mit einer Mehrzahl elektrisch seriell und/oder parallel verschalteter Einzelzellen (4.1 bis 4.n). Erfindungsgemäß ist vorgesehen, dass ein Gehäusedeckel (7) zum Öffnen eines Gehäuses (6) des elektrischen Energiespeichers (1) in Richtung eines Fahrzeuguntergrundes, dem Fahrzeug (2) abgewandt, angeordnet ist. Weiterhin betrifft die Erfindung eine Vorrichtung (3) zur Reparatur eines elektrischen Energiespeichers (1) und ein Verfahren zur Reparatur eines elektrischen Energiespeichers (1).
Resumen de: DE102025105221A1
Eine Energiespeichervorrichtung (1) umfasst ein Energiespeichermodul (30) und einen Wärmetauscher (100), dessen Wärmetauschobjekt das Energiespeichermodul (30) ist. Das Energiespeichermodul (30) ist mit dem Wärmetauscher (100) durch einen Klebstoff (A) verbunden. Der Wärmetauscher (100) tauscht Wärme mit dem Wärmetauschobjekt unter Verwendung eines Kältemittels (C) aus, das durch einen Hauptströmungsweg (102) und einen Nebenströmungsweg (103) fließt. Der Wärmetauscher (100) umfasst ein Basiselement (110) und eine Außenwand (130, 140). Die Außenwand (130, 140) ist im Basiselement (110) vorgesehen. Der Hauptströmungsweg (102) ist im Inneren des Basiselements (110) ausgebildet. Der Nebenströmungsweg (103) wird durch das Basiselement (110) und die Außenwand (130, 140) gebildet. Die Außenwand (130, 140) verformt sich leichter als das Basiselement (110) und das Energiespeichermodul (30).
Resumen de: WO2025201932A1
It is disclosed an energy module, comprising: electrical energy storage cells; temperature sensors configured to monitor temperatures of the electrical energy storage cells; a measurement tap in the network, which has a voltage value that will change responsive to a change of the shared current or voltage; and a circuit configured to detect an occurrence of a temperature error that is associated with one or more of the energy storage cells based on the voltage value at the measurement tap. Related methods and software products are also disclosed.
Resumen de: WO2025202555A1
The invention relates to a method for gradually heating a lithium-ion battery mounted on a hybrid motor vehicle, comprising: a step of determining a setpoint torque applied to the primary shaft; a step of regulating the second torque; a step of measuring the battery power (PB); a step of measuring the cumulative battery power (IPB) over time (t) as a function of the battery power (PB); a step of forced execution of the discharging phase (PhD) when the cumulative battery power (IPB) is greater than a predetermined second threshold value (V2), said second threshold value (V2) being lower than said first threshold value (V1), said second torque being positive; a step of gradually heating the battery without risk of lithium plating by a succession of discharging phases (PhD) and charging phases (PhC).
Resumen de: WO2025201773A1
An electrochemical solid storage cell comprises a dimensionally stable housing (10), in particular a housing (10) which is dimensionally stable under an operating pressure of the solid storage cell. A layer sequence comprises a multiplicity of cathode layers (21), solid electrolyte layers (22) and anode layers (23), the layers being stacked along the smallest cross-section of the housing (10) to form a cell stack (20). As a result of the material selected for the layer sequence, the cell stack (20) is configured to undergo irreversible volume expansion during the first charge. The volume expansion of the anode layers (23) during the first charging process is designed such that it is greater than the accompanying volume contraction of the cathode layers (21) and at least partially endures after the first charging. During operation of the solid storage cell, the operating pressure in the housing (10) is set as a result of the at least partially enduring volume expansion.
Resumen de: WO2025201760A1
It is disclosed a circuit comprising: electrical energy storage cell(s) (EESCs); a circuit board comprising an electrically isolating substrate; an electrically conductive terminal (ECT) connected between EESCs and the circuit board (ECT being configured to concurrently facilitate (i) an electrical connection between EESC(s) and CB and (ii) a transfer of heat from the EEC(s) to the electrically isolating substrate of CB; and a temperature sensor mounted to a surface of CB and configured to measure a temperature of EESC(s) based on a temperature of the electrically isolating substrate of CB. The temperature sensor is electrically isolated from ECT. Heat is allowed to flow from EESC(s) to the temperature sensor via ECT and the electrically isolating substrate. Other aspects such as methods are also disclosed.
Resumen de: WO2025201744A1
The present teachings relate to a temperature monitoring system for an electrical unit, which temperature monitoring system comprises: a first monitored portion and a first temperature sensor disposed to measure a first temperature of the first monitored portion; a second monitored portion and a second temperature sensor disposed to measure a second temperature of the second monitored portion; an evaluation unit operable to determine a temperature reserve value from the first temperature and the second temperature. The present teachings further relate to a method for operating a temperature monitoring system for an electrical unit, and software product.
Resumen de: WO2025201886A1
The invention relates to a method for analyzing a state of an energy-storage device for an electrically propellable motor vehicle, the method comprising: setting the energy-storage device and/or a component of the energy-storage device to a test state; measuring an electrical and/or thermal measurement variable in the test state; retrieving a comparative variable, the comparative variable characterizing a computer-assisted simulation of the energy-storage device and/or of the component in a reference state corresponding to the test state; and outputting state information relating to the state of the energy-storage device taking into account a comparison between the measurement variable and the comparative variable.
Resumen de: US2025303913A1
A battery performance management system and method using an electric vehicle charging station. The battery performance management server collects battery performance evaluation information including identification information and operation characteristic accumulative information of a battery, identification information and driving characteristic accumulative information of the electric vehicle, and latest charging characteristic information of the battery from a plurality of charging stations through a network. The server determines a current state of health (SOH) corresponding to the collected battery performance evaluation information by using an artificial intelligence model that is trained in advance to receive the battery performance evaluation information and output a SOH of the battery. The server determines a latest control factor corresponding to the current SOH, and transmits the latest control factor to the charging station so that the charging station may transmit the latest control factor to a control system of the electric vehicle to update the control factor.
Resumen de: US2025306124A1
A battery diagnosis apparatus, which includes a voltage sensing circuit to generate a voltage signal indicating a cell voltage of a battery cell; a storage medium to store time; and a control circuit configured to receive the voltage signal and record the time series data for the cell voltage in the storage medium, determine a first cell voltage slope and a second cell voltage slope in a first time section and a second time section based on the time series data, determine an average slope of the cell voltage in a third time section between the first time section and the second time section based on the time series data, set the first cell voltage slope and the second cell voltage slope as boundary conditions of a normal slope range, and diagnose a voltage abnormality when the average slope of the cell voltage is outside the normal slope range.
Resumen de: US2025306119A1
A computer-implemented method for Li-plating detection of a cell of a power battery. The method includes: obtaining a plurality of AC impedance values for the cell measured at a plurality of States of Charge (SOCs), in which the plurality of AC impedance values are measured in a non-driving state of a vehicle; fitting the AC impedance values as a function of SOC based on the plurality of AC impedance values; and calculating a goodness of fit for the function, and calculating a Li-plating score for the cell based on the goodness of fit, in which the Li-plating score is used to indicate a degree to which Li-plating occurs in the cell.
Resumen de: US2025306118A1
The present invention relates to a control device for a battery for generating a current for an electrochemical impedance spectroscopy. The device is configured to activate two different circuits of the battery via a common energy buffer, so that electrical energy is alternately exchanged between at least two parts of the battery via the energy buffer. Further, the invention relates to a system comprising the control device and the battery. Furthermore, the invention relates to a method for the control device.
Resumen de: US2025306116A1
Methods and systems for determining a status of an electrochemical energy storage device is provided. An impedance profile of an electrochemical energy storage device is determined using an Electrochemical Impedance Spectroscopy (EIS) device. The determined impedance profile is compared with a predetermined impedance profile. A status of the electrochemical energy storage device is determined based on the comparison.
Resumen de: US2025306639A1
A sturdy electronic device is provided. A reliable electronic device is provided. A novel electronic device is provided. An electronic device includes a first board, a second board, a display portion having flexibility, and a power storage device having flexibility. The first board and the second board face each other. The display portion and the power storage device are provided between the first board and the second board. The display portion includes a first surface facing the power storage device. The first surface includes a first region not fixed to the power storage device. The first region overlaps with a display region of the display portion.
Resumen de: US2025306114A1
A remaining capacity calculation device calculates a remaining capacity of a cell when the cell is charged/discharged. The device includes a first-region calculation unit calculating, at detection timing of an open circuit voltage, a reference remaining capacity of the cell based on a correlation between the open circuit voltage and the remaining capacity, and calculating, as a first-capacity region, a region including the reference remaining capacity; a second-region calculation unit calculating a second-capacity region by, to maximum and minimum remaining capacities in a past capacity region calculated at detection timing before present time, adding change of capacity, which is change of a current capacity due to charge/discharge from time at which the past capacity region was calculated; and a third-region calculation unit calculating, at the detection timing, a region including an overlapped region between the first and second capacity regions, as a third-capacity region including an actual remaining capacity.
Resumen de: US2025306109A1
Provided is determination device including a processor. The processor is configured to: acquire a relaxation curve of voltage of a lithium metal battery having a negative electrode containing lithium; and determine a recommended-suppression time of recommending suppression of charging and discharging of the lithium metal battery based on a rate of change of voltage in a short time constant range corresponding to a range of a short time constant in the relaxation curve.
Resumen de: US2025309402A1
A battery includes a first cell stack and a second cell stack arranged side by side, and a first cooling pipe and a second cooling pipe provided below the first and second cell stacks, respectively, and configured to cool the first and second cell stacks, respectively. The first and second cooling pipes extend from first ends of the first and second cell stacks to second ends thereof, respectively, and are connected to each other at the second ends. An inlet port and an outlet port for a refrigerant flowing through the first and second cooling pipes are both provided at the first ends, and the refrigerant flowing in from the inlet port first passes through the first cooling pipe from the first end, then passes through the second cooling pipe from the second end, and flows out from the outlet port.
Resumen de: US2025309367A1
A separable secondary battery stack includes a positive electrode module, a negative electrode module, and an electrolyte module. Every two of the positive electrode module, the negative electrode module, and the electrolyte module are mutually connected by means of a conveying channel in a loop; and the conveying channel is used for conveying an electrolyte.
Resumen de: US2025309403A1
A tab cooling structure cools a tab of one of battery cells. The tab cooling structure includes first and second coolers, first and second supply pipes, and first and second discharge pipes. The first cooler is positioned further toward one side in the X direction than the tab to be cooled. The second cooler is positioned further toward an opposite side in the X direction than the tab to be cooled. A refrigerant is supplied to the first cooler through the first supply pipe. The refrigerant is supplied to the second cooler through the second supply pipe. The refrigerant is discharged from the first cooler through the first discharge pipe. The refrigerant is discharged from the second cooler through the second discharge pipe. The first cooler and the second cooler sandwich the tab to be cooled therebetween in the X direction.
Resumen de: US2025309401A1
A gas cooler for a battery electric vehicle, the gas cooler including a heat exchanger having a connecting portion and a heat exchange portion, the connecting portion including a coolant inlet to allow a coolant to enter the heat exchanger, and a coolant outlet to allow the coolant to exit the heat exchanger, wherein the gas cooler further includes a bypass line configured to redirect a portion of the coolant from the coolant inlet to the coolant outlet, thereby bypassing the heat exchange portion of the heat exchanger.
Resumen de: US2025309368A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms, and methods of producing and operating the same. In some aspects, an electrochemical cell can include an anode and a cathode material disposed on a cathode current collector, the cathode material and the cathode current collector forming a cathode. The electrochemical cell further includes a first separator disposed on the anode, a second separator disposed on the cathode, and an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material, the interlayer including a source of lithium ions, the lithium ions configured to migrate toward the anode upon a voltage difference between the interlayer and the anode exceeding a threshold value. In some embodiments, the anode can include an anode material disposed on an anode current collector. In some embodiments, the anode material can include graphite, silicon, and/or hard carbon.
Resumen de: US2025306117A1
A characteristic measuring jig includes a support to support a battery cell, an impedance measuring part including first and second positive electrode contact parts, first and second negative electrode contact parts, a first terminal for current connected to the first positive electrode contact part, a first terminal for voltage connected to the second positive electrode contact part, a second terminal for current connected to the first negative electrode contact part, and a second terminal for voltage connected to the second negative electrode contact part that is detachable to the terminal side of the battery cell, and an elevating part fixed to the support, connected to the impedance measuring part, and configured to elevate the impedance measuring part. At least one of the first terminal for current or the second terminal for current is opposite to at least one of the first terminal for voltage or the second terminal for voltage.
Resumen de: US2025306110A1
A battery diagnosis apparatus according to the present disclosure is directed to providing a battery diagnosis apparatus, a battery pack, an electric vehicle and a battery diagnosis method for diagnosing anomalies in a single battery cell or each of a plurality of battery cells connected in series using time-dependent changes in cell voltage of each battery cell without a process of comparing the cell voltage of each battery cell with the cell voltage of other battery cell(s).
Resumen de: AU2025230821A1
22069301_1 (GHMatters) P124513.AU.1 An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to include one or more energy storage devices comprising multiple electric reservoir modules. An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to include one or more energy storage devices comprising multiple electric reservoir modules. 22069301_1 (GHMatters) P124513.AU.1 ep e p n e l e c t r i c v e h i c l e ( ) c h a r g i n g s t a t i o n f o r f a s t c h a r g i n g ( e g t o m i n u t e s ) a n e l e c t r i c v e h i c l e ( ) h e c h a r g i n g s t a t i o n c a n b e c o n f i g u r e d t o i n c l u d e o n e o r m o r e e n e r g y s t o r a g e d e v i c e s c o m p r i s i n g m u l t i p l e e l e c t r i c r e s e r v o i r m o d u l e s _ ( a t t e r s )
Nº publicación: US2025306123A1 02/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025306123A1
A battery management apparatus according to the present disclosure includes a profile obtaining unit configured to obtain a first profile for each of a plurality of batteries included in a battery pack; and a diagnosing unit configured to calculate a target value for each of the plurality of batteries based on a first target point or a target ratio for each of the plurality of first profiles, generate a distribution profile representing a corresponding relationship between the calculated plurality of target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack based on the determination result.
BOPI
Sede Electrónica
