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1356
results.
Updated on
03/05/2026 [07:29:00]
Results 375 to 400 of 1356
Absstract of: WO2026085740A1
An energy storage device, comprising a housing, a heat exchanger, a plurality of temperature sensors, a plurality of battery modules, and a controller. The plurality of battery modules are arranged in the housing, and each battery module comprises a plurality of cells. The plurality of temperature sensors include a first temperature sensor and a second temperature sensor. The heat exchanger comprises a heat exchange member, a first fan, and a second fan. The first fan is arranged on the side of the heat exchanger close to the plurality of battery modules, the second fan is arranged on the side of the heat exchanger away from the plurality of battery modules, and the heat exchange member is configured such that the air inside the housing exchanges heat with the air outside the housing by means of the heat exchange member. The controller is configured to: calculate a cell temperature and an ambient temperature, determine a first rotation speed of the first fan and a second rotation speed of the second fan on the basis of the cell temperature and the ambient temperature, determine a cell temperature difference on the basis of the cell temperature, correct the first rotation speed on the basis of the cell temperature difference to obtain a third rotation speed, control the first fan to operate at the third rotation speed, and control the second fan to operate at the second rotation speed.
Absstract of: US20260121222A1
0000 A separator for an electrochemical device of the present disclosure includes a porous substrate and a coating layer formed on at least one surface of the porous substrate. The coating layer includes a polymer binder, inorganic particles, and hexagonal boron nitride. The inorganic particles have a dielectric constant of 150 or more.
Absstract of: US20260121028A1
The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same, and more particularly, to a positive electrode active material which exhibit improved driving characteristics under high-voltage operating conditions through surface modification of a lithium transition metal oxide of a Mid-Ni type having a relatively low nickel content, and to a lithium secondary battery comprising the same.
Absstract of: US20260116215A1
Systems, methods, and vehicles are disclosed herein. For example, this disclosure provides for continuous and reliable communication between a battery management system (BMS) and battery sensors and battery power and isolation (BPI) in the event of a breakage. As another example, this disclosure provides for an efficient hardware-based detection method for pressure buildup and thermal events allowing, for example, the BMS to remain asleep, thereby conserving battery power and enabling quicker response times. As another example, this disclosure provides for duty cycling cores while the vehicle is sleeping to provide the BMS an opportunity to measure the actual power draw from a high-voltage (HV) battery pack.
Absstract of: WO2026089419A1
A negative electrode active material for a lithium secondary battery, according an embodiment of the present invention, comprises a silicon carbon (Si/C) composite having a modulus value (A) of 15-25 GPa and a hardness value (B) of 2500-5000 MPa.
Absstract of: WO2026085884A1
A battery cell (10), a battery apparatus (100), an electric device, and an energy storage device. The battery cell (10) comprises a housing (22), an end cover (21), an electrode terminal (211), an electrode assembly (23), and an insulating member (30), wherein the housing (22) is provided with an accommodating cavity (221), the end cover (21) seals the accommodating cavity (221), and the electrode terminal (211) is provided on the end cover (21); the electrode assembly (23) is provided within the housing (22), the electrode assembly (23) comprises an electrode tab (231) and an electrode main body (232), the electrode tab (231) protrudes from the electrode main body (232) toward the end cover (21), and the electrode tab (231) is electrically connected to the electrode terminal (211); the insulating member (30) is provided between the end cover (21) and the electrode assembly (23), the insulating member (30) comprises a body portion (31) and a boss (32), the boss (32) comprises a first surface (33) facing the electrode main body (232), a total area of the first surface (33) is greater than or equal to 1/a times the weight of the electrode main body (232), wherein a is greater than or equal to 0.008 and less than or equal to 0.026, the total area is expressed in square millimeters, the weight is expressed in newtons, and a is expressed in megapascals.
Absstract of: US20260121204A1
A cover for an energy storage apparatus includes: a rotation shaft arranged on one side of an open upper surface of an apparatus main body; and a cover main body having one end portion fixed to the rotation shaft and configured to open and close the open upper surface of the apparatus main body by being wound or unwound around the rotation shaft at the one end portion thereof.
Absstract of: WO2026089805A1
A gas monitor includes a housing defining a first flow channel and a second flow channel, each including a flow path axis wherein the axes intersect at an angle of at least 60 degrees. Gas monitors can be stacked by engaging a support assembly of one with an engagement assembly of another such that a center of mass of two stacked gas monitors is positioned within a footprint of the support assembly of a lower one of the two stacked gas monitors. The gas monitor includes a battery assembly comprising a plurality of slots configured to each receive a battery pack, however, the gas monitor is configured to operate normally with power provided by a single battery pack. The gas monitor includes a controller configured to operate a plurality of gas monitors, along with a remote computing device, as a cooperative monitoring group.
Absstract of: WO2026086235A1
The present application provides a secondary battery and a positive electrode paste for the secondary battery. The secondary battery comprises a positive electrode sheet, the positive electrode sheet comprising a positive electrode current collector and a positive electrode film layer provided on the positive electrode current collector, wherein the positive electrode film layer comprises at least one of a compound represented by formula A, a compound represented by formula B, and a compound represented by formula C. Formula A, formula B, formula C, where R1, R2 and R3 are each independently selected from a C2-4 alkylene group or alkenyl group, which is optionally substituted by a halogen, a C1-6 alkyl group or a C1-6 alkoxy group.
Absstract of: WO2026086734A1
A sodium secondary battery, an electrolyte and an electric device. The sodium secondary battery comprises: a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector, at least one side of the positive electrode current collector is provided with a positive electrode active material layer, and the positive electrode active material layer comprises a positive electrode active material; a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector, and when the sodium secondary battery is charged, metal sodium is deposited in situ on the negative electrode current collector; and an electrolyte, wherein the electrolyte comprises an inorganic salt and/or an organic salt, with the inorganic salt comprising one or more of sodium nitrate, sodium trifluoroacetate and sodium tetrafluoroborate, and the organic salt comprising sodium tetraphenoxyborate.
Absstract of: WO2026086661A1
A sodium-ion secondary battery and an electric device. The secondary battery comprises a positive electrode sheet. The positive electrode sheet comprises a current collector and a positive electrode film layer located on at least one side surface of the current collector. The positive electrode film layer comprises a binder, the binder comprises a first polymer, and the first polymer comprises a butadiene-M1 copolymer, wherein the M1 monomer comprises at least one of styrene or acrylonitrile, and based on the total mass of the first polymer, the mass content of structural units derived from the M1 monomer is 20％-30％. The positive electrode sheet in the sodium-ion secondary battery has excellent bonding performance, and the secondary battery has good cycle performance.
Absstract of: US20260117341A1
0000 A process for recovery lead including providing lead-bearing material. The lead-bearing material includes lead sulfate (PbSO<4>). The lead-bearing material is heated resulting in the formation of gaseous sulfur compounds and lead oxide. The gaseous sulfur compounds and the lead oxide are separated. The lead oxide is lanced with a hydrocarbon resulting in the formation of lead (Pb) and carbon dioxide (CO<2>). The lead and the carbon dioxide are separated.
Absstract of: WO2026089361A1
The present document relates to a battery system such as a battery mono block, that performs cell balancing on the basis of a diode. The battery mono block according to the above comprises: a plurality of cells each including an electrode material and a separator, and connected in series to be stacked in the vertical direction; a plurality of diodes respectively disposed on the side surfaces of the plurality of stacked cells to balance the plurality of cells in one or more cell units; a current collector disposed at the uppermost and lowermost ends of the plurality of stacked cells; and an exterior material sealing the plurality of stacked cells, the plurality of diodes, and the current collector.
Absstract of: US20260121101A1
The present disclosure relates to a battery manufacturing apparatus for sealing a sealing region in a battery cell, the battery cell comprising a case forming a receiving space for receiving an electrode assembly, and the sealing region formed on a flange portion formed along a circumference of the receiving space, the battery manufacturing apparatus comprising: a first sealing bar and a second sealing bar disposed to face each other across the sealing region; a first sealing surface among one surface of the first sealing bar, the first sealing surface facing the sealing region; a second sealing surface among one surface of the second sealing bar, the second sealing surface facing the sealing region and the first sealing surface; a film-shaped first heating portion disposed on the first sealing surface; and a film-shaped second heating portion disposed on the second sealing surface.
Absstract of: WO2026089142A1
The present invention relates to a solid electrolyte slurry and an all-solid-state battery manufactured by using same. More specifically, the solid electrolyte slurry of the present invention comprises: solid electrolyte particles; a solvent; and a first additive, wherein the first additive comprises a compound represented by chemical formula 1. The compound represented by chemical formula 1 is low molecular weight polydimethylsiloxane (PDMS), and can improve viscosity and stability in slurry.
Absstract of: WO2026085820A1
Provided in the present application are a battery device and an electric device, belonging to the technical field of batteries. The battery device comprises a battery cell, a fixing member, and a temperature sampling assembly. The fixing member is disposed on one side of the battery cell in a first direction. The temperature sampling assembly comprises a mounting frame and a temperature measurement member. The mounting frame is connected to the fixing member, the temperature measurement member is disposed on the mounting frame, and the temperature measurement member is configured to measure the temperature of the battery cell. The temperature sampling assembly further comprises an abutting member, the abutting member is connected to the mounting frame, the abutting member is located on the side of the mounting frame facing the battery cell and abuts against the battery cell, and the abutting member has a greater compression rebound rate than the mounting frame. The abutting member can better absorb the assembly tolerance or assembly error between the mounting frame and the battery cell, which helps to improve the effect that the mounting frame abuts against the battery cell by means of the abutting member, so as to improve the accuracy of the temperature measurement member in terms of measuring the temperature of the battery cell.
Absstract of: DE102024131845A1
Die Erfindung betrifft einen Zellverbinder (1, 1a, 1b) für Pouch-Zellanordnungen (42) eines Batteriepacks (58), wobei der Zellverbinder ausgestaltet ist, zwei in einer Stapelrichtung (2) übereinanderliegende Pouch-Zellen (4, 4a, 4b) mit jeweils einer ersten und einer zweiten, in Stapelrichtung von einer Öffnung (8) durchsetzten Elektrode (6, 6a, 6b) zu verbinden, und ferner aufweist: einen elektrisch leitfähigen Kontaktkörper (12), der ausgestaltet ist, die ersten Elektroden in Stapelrichtung elektrisch zu verbinden, wobei der Kontaktkörper zwei in Stapelrichtung parallel zueinander angeordnete Elektrodenauflageflächen (16) aufweist, und wobei der Kontaktkörper von einer Durchgangsöffnung (18) durchsetzt ist, die sich in Stapelrichtung zwischen den Elektrodenauflageflächen erstreckt; und eine wenigstens abschnittsweise in der Durchgangsöffnung angeordnete Klemmvorrichtung (14), die ausgestaltet ist, jede der ersten Elektroden gegen wenigstens eine der Elektrodenauflageflächen zu drücken. Ein solcher Zellverbinder erhöht die Stabilität und Lebensdauer von Pouch-Batterien und verringert gleichzeitig den Wartungsaufwand und die Kosten.
Absstract of: WO2026089302A1
An embodiment of the present invention provides an electrode for a secondary battery, and a lithium secondary battery, the electrode including an electrode current collector and an electrode layer formed on one surface or both surfaces of the electrode current collector, wherein the electrode layer includes a lithium-based active material including: an over-lithiated manganese-based oxide in which a molar ratio of lithium to transition metals other than lithium is more than 1 and a molar content of manganese in the transition metals is 50 mol % or more; and a coating layer formed on a surface of the over-lithiated manganese-based oxide, and the coating layer includes Co in an amount of 3000 ppm to 8000 ppm on the basis of the total weight of the lithium-based active material.
Absstract of: DE102024210448A1
Die Erfindung betrifft ein Verfahren zum Überwachen einer Isolation zwischen zwei elektrischen Leitungen (102, 103), insbesondere elektrischen Hochvolt-Leitungen, und Masse (104) mittels einer Isolationsüberwachungs-Schaltung, wobei die Isolationsüberwachungs-Schaltung zwei Schalter (SWTestP, SWTestM) aufweist, das Verfahren aufweisend die folgenden Schritte: (a) Schalten der beiden Schalter (SWTestP, SWTestM) gemäß einer Schaltsequenz (111) bestehend aus einer Abfolge mehrerer Schaltzustände (112) der beiden Schalter (SWTestP, SWTestM); (b) Bestimmen eines Verlaufs einer vorgegebenen Größe (118, 119) während eines vorgegebenen Schaltzustands der mehreren Schaltzustände (112); (c) Extrapolieren zumindest eines Teils des Verlaufs, um einen Sättigungswert der vorgegebenen Größe (118, 119) für den vorgegebenen Schaltzustand zu erhalten; und (d) Bestimmen zumindest eines Isolationswiderstands (RisoPP, RisoPM, RisoLP, RisoLM) basierend auf dem Sättigungswert. Weiterhin betrifft die Erfindung ein entsprechendes Steuergerät und Computerprogramm.
Absstract of: DE102025139624A1
Jedes aus Batteriepacks umfasst einen ersten und einen zweiten Stromdetektor, die einen durch einen Batteriestapel fließenden Strom erfassen. Wenn die erfassten Werte des ersten und des zweiten Stromdetektors in einem Batteriepack nicht übereinstimmen, wird der Austausch von elektrischer Energie zwischen diesem Batteriepack und einem anderen Batteriepack durch eine Steuervorrichtung durchgeführt, die einen zu jedem Batteriepack gehörenden DC/DC-Wandler in Betrieb setzt. Während des Betriebs des DC/DC-Wandlers vergleicht die Steuervorrichtung die erfassten Werte des ersten und zweiten Stromdetektors in dem einen Batteriepack mit dem erfassten Wert des ersten Stromdetektors in dem anderen Batteriepack und wählt einen normalen Stromdetektor aus dem ersten und zweiten Stromdetektor in dem einen Batteriepack aus.
Absstract of: WO2026086125A1
The present application relates to the technical field of secondary batteries, and provides a secondary battery cell, a secondary battery, and an electric device, wherein a capacity C of the secondary battery cell satisfies C ≥ 300 Ah, and a width W and a height H of the secondary battery cell satisfy 1 ≤ W/H ≤ 2. The secondary battery cell comprises an electrode sheet, the electrode sheet comprises a main body and an electrode tab, and a distance M between a center line of the electrode tab and an edge of the main body distal to the electrode tab, and a length D of the main body, satisfies the following relationship: 0.6 ≤ M/D ≤ 0.85; the electrode sheet further comprises a positive electrode sheet, a positive electrode active material of the positive electrode sheet comprises a V-doped lithium-containing phosphate material, and a weight percentage of the V element in the positive electrode active material is 0.01%-0.25%. Coordinately controlling the width-to-height W/H ratio of a secondary battery cell, the arrangement position of an electrode tab, and the selection of an active material enables large-capacity batteries with a capacity of at least 300 Ah to achieve low DCR, thereby improving battery energy efficiency.
Absstract of: WO2026086126A1
A lithium metal battery cell, an electrolyte, a battery apparatus, and an electric apparatus. The lithium metal battery cell comprises an electrode assembly and an electrolyte; the electrode assembly comprises a lithium metal negative electrode sheet; the electrolyte comprises a lithium salt, an ether-based solvent, and a fluorine-free ether-based diluent, a solubility of the fluorine-free ether-based diluent with respect to the lithium salt is less than a solubility of the ether-based solvent with respect to the lithium salt, and the fluorine-free ether-based diluent has a structure as represented by formula (1) or formula (2), wherein R1 and R2 are each independently C1-C8 alkyl; R3 represents any C1-C4 alkylene, R4 and R5 are each independently C3-C8 alkyl, and at least one of R1 and R2 is C3-C8 alkyl.
Absstract of: DE102024131065A1
Die Erfindung betrifft ein Verfahren zur Aufbereitung von aus Lithium-Ionen-Batterien gewonnener Schwarzmasse (1), umfassend die Schritte:(a) Auslaugen (101) der Schwarzmasse (1) mit einem Lösungsmittel (2) bei einer Temperatur in einem Bereich von 50 bis 80 °C unter Erhalt einer Lösung, die Lithium enthält, wobei das Lösungsmittel ein stark eutektisches Lösungsmittel ist; und(b) Gewinnung von Lithium aus der Lösung mittels membrankapazitiver Deionisation (103).
Absstract of: US20260121224A1
0000 A separator for an electrochemical device of the present disclosure includes: a porous polymer substrate; and a coating layer provided on at least one surface of the porous polymer substrate, and including inorganic particles, a polymer binder, and a dispersant. The coating layer is manufactured by a coating layer composition, the coating layer composition includes inorganic particles, a polymer binder, and a dispersant, and the dispersant includes a maleic acid monomer.
Nº publicación: DE102024131846A1 30/04/2026
Applicant:
UNIVERSAL TRANS GESELLSCHAFT FUER ANTRIEBSTECHNIK MBH [DE]
UNIVERSAL TRANSMISSIONS Gesellschaft f\u00FCr Antriebstechnik mbH
Absstract of: DE102024131846A1
Die Erfindung betrifft eine Pouch-Zellenanordnung (20) für ein Batteriepack (40), mit einer ersten und einer zweiten Pouch-Zelle (1, 1a, 1b), die jeweils eine als Flachkörper ausgestaltete erste Elektrode (2, 2a, 2b) und eine zweite Elektrode (4, 4a, 4b) aufweisen, wobei die erste Elektrode (2a) der ersten Pouch-Zelle (1a) in einer Stapelrichtung (22) über der ersten Elektrode (2b) der zweiten Pouch-Zelle (1b) liegt und die erste Elektrode (2a) der ersten Pouch-Zelle (1a) mit der ersten Elektrode (2b) der zweiten Pouch-Zelle (1b) elektrisch leitend verbunden ist; mit einer Leiterplatte (24), die in der Stapelrichtung (22) zwischen der ersten Elektrode (2a) der ersten Pouch-Zelle (1a) und der ersten Elektrode (2b) der zweiten Pouch-Zelle (1b) angeordnet ist und eine mit der ersten Elektrode (2a) der ersten Pouch-Zelle (1a) verbundene Leiterbahn (64) und eine mit der ersten Elektrode (2b) der zweiten Pouch-Zelle (1b) verbundene Leiterbahn (64) aufweist; und mit einem Klemmsystem (50), durch das die erste Elektrode (2a) der ersten Pouch-Zelle (1a) und die erste Elektrode (2b) der zweiten Pouch-Zelle (1b) in Stapelrichtung gegeneinander gedrückt sind.
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