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746
results.
Updated on
21/08/2026 [07:19:00]
Results 225 to 250 of 746
Absstract of: US20260237751A1
Provided is an electrode assembly formed by stacking a plurality of positive electrode portions and a plurality of negative electrode portions, including an outermost negative electrode portion. The outermost negative electrode portion includes a first negative electrode current collector having a first negative electrode active material layer on one surface and a second negative electrode active material layer on the opposite surface. One or both active material layers can include apertures or partially reduced coverage at an edge region, which may correspond to about 10-30% of the layer. Differences in composition or thickness between the layers help reduce volume expansion and bending stress, thereby enhancing performance and stability.
Absstract of: US20260237810A1
0000 A curved solid-state battery and a method of making the same are disclosed. The battery includes a plurality of curved, stacked solid-state battery cells and first and second terminals on opposite sides or ends of the battery. Each battery cell comprises a cathode current collector (CCC), a cathode on the CCC, a solid-state electrolyte on the cathode, and an anode current collector (ACC) on the electrolyte. The method includes making a plurality of solid-state battery cells on a conductive metal or metal alloy substrate, stacking pairs of the battery cells face-to-face using an adhesive to create a plurality of cell pairs, stacking at least some of the cell pairs, compressing the stacked cell pairs in a shaping device to form curved stacked cell pairs, and terminating first and second edges of the curved stacked cell pairs with a flexible conductive adhesive.
Absstract of: US20260237662A1
Provided are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery has a structure in which a positive electrode current collector, a functional layer, and a positive electrode active material layer are stacked. The functional layer includes a lithium iron phosphate-based compound and a binder.
Absstract of: WO2026168848A1
A battery pack according to the present invention comprises: a plurality of battery cells arranged to be stacked along one direction; and a plurality of cooling plates which have cooling channels through which a coolant flows, and which are arranged between the stacked battery cells so as to cool the battery cells, wherein the cooling channels of the plurality of cooling plates can be formed to be connected in series with each other.
Absstract of: DE102025105235A1
Die vorliegende Erfindung betrifft eine Gehäusevorrichtung (10) zur Aufnahme von Zellvorrichtungen (110) zur Speicherung von elektrischer Energie für ein Kraftfahrzeug (150), die Gehäusevorrichtung (10) aufweisend einen Grundkörper (20) und eine Grundplatte (26), wobei der Grundkörper (20) ein Aufnahmevolumen (22) mit einer Vielzahl an Steckplätzen (24) zur Aufnahme der Zellvorrichtungen (110) umfasst, wobei jeder Steckplatz (24) jeweils zumindest eine Verbindungsvorrichtung (30) zur elektrischen und zur mechanischen Verbindung mit zumindest einer Zellvorrichtung (110) umfasst, wobei die Grundplatte (26) eine Vielzahl an Ausgasungs-Ausschnitten (28) für die Zellvorrichtungen (110) umfasst, wobei die Vielzahl an Steckplätzen (24) zur Aufnahme von Zellzwischenmaterial (120) zwischen den Zellvorrichtungen (110) ausgestaltet sind. Ferner betrifft die Erfindung ein Energiespeichersystem (100) für ein Kraftfahrzeug (150) mit zumindest einer Gehäusevorrichtung (10) und einer Vielzahl an Zellvorrichtungen (110) zur Speicherung von elektrischer Energie sowie ein Kraftfahrzeug (150) mit einem Energiespeichersystem.
Absstract of: US20260237637A1
0000 The present invention relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode, wherein, since the negative electrode of the present invention includes a silicon oxide (SiO
Absstract of: WO2026168540A1
This lithium-ion secondary battery comprises a negative electrode (30), a positive electrode (20), and an electrolyte between the negative electrode (30) and the positive electrode (20). The negative electrode (30) has a negative electrode active material. The negative electrode active material has composite particles and a carbon material. The composite particles include amorphous carbonaceous particles and amorphous silicon particles having an average primary particle size of 1-50 nm. The carbon material is at least one selected from the group consisting of graphite, hard carbon, and soft carbon. The negative electrode active material is at least partially covered with a Na-containing layer that contains Na. The electrolyte contains 0.1-1.5 mol/L of a lithium salt having imide anions.
Absstract of: DE102025105315A1
Verfahren (10) zur Herstellung einer Kühleranordnung (20) zur Kühlung einer Leistungselektronik (21), wobei die Kühleranordnung (20) mindestens zwei Gehäuseteile umfasst, wobei ein erstes Gehäuseteil (22) aus einem ersten Material hergestellt ist und ein zweites Gehäuseteil (23) aus einem zweiten Material hergestellt ist, wobei das Verfahren die Schritte umfasst: Beschichtung (11) des ersten Gehäuseteils (22) zur Ausbildung einer ersten Schutzschicht (24);Fügen (12) des ersten beschichteten Gehäuseteils (22) und des zweiten Gehäuseteils (23); Beschichtung (13) des ersten beschichteten Gehäuseteils (22) und des zweiten Gehäuseteils (23) zur Ausbildung einer zweiten Schutzschicht (25)
Absstract of: US20260237800A1
A rechargeable battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator, a case accommodating the electrode assembly therein, a linear welding portion extending across a first surface among a plurality of surfaces of the case along a first direction, the linear welding portion having two sides, and a protruding extension on at least one of the two sides of the linear welding portion along a second direction crossing the first direction, the protruding extension protruding from the first surface and extending along the first direction.
Absstract of: WO2026168599A1
This non-aqueous electrolyte composed of a first component such as a compound represented by formula (I-1), a second component such as a compound represented by formula (II), and a third component such as a compound represented by formula (III) can reduce initial resistance. The groups in the formulas are as described in the specification.
Absstract of: DE102025104961A1
Batterieanordnung für ein Kraftfahrzeug, mit mehreren flüssigkeitsgekühlten Batteriemodulen zur Aufnahme von Batteriezellen innerhalb eines Batteriemodulgehäuses, mit einem Druckschutzelement zur Entgasung der Batteriezelle, und mit einer Unterfahrschutzanordnung, die unterhalb der Batteriemodule angeordnet ist, wobei die Unterfahrschutzanordnung einen Auffangraum zur Aufnahme von Kühlflüssigkeit des Batteriemoduls aufweist und eine Öffnung im Batteriemodulgehäuse des Batteriemoduls derart angeordnet ist, dass nach Entgasung der Batteriezelle durch Öffnen des Druckschutzelements Kühlflüssigkeit in die Unterfahrschutzanordnung gelangt.
Absstract of: DE102025104770A1
Die Erfindung betrifft eine Batteriezelle (8). Diese umfasst eine Kathode (22) mit einem Binder (28a), eine Anode (14) mit einem Binder (20a), einen Separator (18), wobei der Binder der Kathode (22), der Binder der Anode (14) und/oder der Separator ein Polymer (P1,P2,P3) mit einer sauerstofffangenden funktionellen Gruppe ist oder umfasst.
Absstract of: WO2026168803A1
An apparatus for manufacturing a battery module according to an embodiment of the present invention comprises: a support part for supporting a lower frame coated with adhesive material; a gripping part for fixing the lower frame disposed on the support part; and a vibration generation unit, connected to the support part, for generating vibration in the lower frame, wherein the vibration generation unit generates vibration parallel to the lengthwise extension direction of the lower frame, and the adhesive material may expand on the lower frame due to the vibration generated by the vibration generation unit.
Absstract of: WO2026168725A1
A battery management system connected to a battery module including a plurality of battery cells includes a plurality of cell balancing circuits and a control circuit to control the plurality of cell balancing circuits. Each cell balancing circuit includes: a DC/DC converter shared by a corresponding odd-numbered battery cell and a corresponding even-numbered battery cell among the plurality of battery cells and having an output terminal connected to a positive terminal of the battery module; a first switch connected between the corresponding odd-numbered battery cell and an input terminal of the DC/DC converter; and a second switch connected between the corresponding even-numbered battery cell and the input terminal.
Absstract of: WO2026168841A1
The present invention relates to a cathode and a secondary battery comprising same. The cathode comprises a lithium-rich compound represented by chemical formula 2, and thus can compensate for irreversible capacity loss occurring in an anode during initial charging and discharging, and a decrease in electrical conductivity due to the compound is reduced such that charging and discharging capacity characteristics are excellent. In addition, the cathode suppresses oxygen generation during charging and discharging, and thus a secondary battery comprising same has high safety and excellent cycle characteristics and lifetime characteristics.
Absstract of: DE102026126291A1
Die Erfindung betrifft eine Vorrichtung (1) zur Erfassung und Überwachung eines Zustands einer Batterie (2) mit zumindest einer Einzelzelle (3.1 bis 3.n) und einem Gehäuse (4), wobei ein optischer Emitter (5) ausgebildet ist, einen Lichtstrahl (9) auszusenden, zumindest ein Reflektor (6) ausgebildet ist, den vom Emitter (5) ausgesendeten Lichtstrahl (9) zu empfangen und diesen in einem definierten Winkel zu reflektieren, zumindest ein Empfänger (7) ausgebildet ist, den vom Reflektor (6) reflektierten Lichtstrahl (9) zu empfangen, und eine Auswerteeinheit (8) ausgebildet ist, den vom Empfänger (7) empfangenen Lichtstrahl (9) zumindest bezüglich einer Eigenschaft auszuwerten und mittels der ausgewerteten Eigenschaft eine Anomalie und/oder Verformung der Batterie (2) und/oder einer Einzelzelle (3.1 bis 3.n) zu erfassen.
Absstract of: WO2026168608A1
This negative electrode for a lithium-ion secondary battery comprises a negative electrode active material and a binder. The negative electrode active material has composite particles and a carbon material. The composite particles include amorphous carbonaceous particles and amorphous silicon particles. The carbon material is at least one selected from the group consisting of graphite, hard carbon, and soft carbon. The negative electrode active material is at least partially covered with a Na-containing layer containing Na. The binder contains a polymer having a polyacrylic acid backbone that has a weight-average molecular weight of 50,000-3,000,000. The substitution rate of the carboxy group of the polymer having a polyacrylic acid backbone with a sodium salt or a lithium salt is 10-49%.
Absstract of: WO2026167356A1
A sodium-ion cell (20) comprises an anode compartment and a cathode compartment (24) on either side of an electrolyte element (10), wherein the cathode compartment (24) contains a material (25) into which sodium ions can reversibly intercalate, the anode compartment may contain sodium metal (26), and wherein the electrolyte element (10) comprises a perforated sheet (12) of a metal, and a non-permeable layer (16b) of sodium-ion-conducting ceramic bonded to one face of the perforated sheet (12) by a porous and permeable ceramic sub-layer (16a).
Absstract of: WO2026169116A1
The present invention relates to a negative electrode comprising a negative electrode current collector, a first negative electrode active material layer and a second negative electrode active material layer, and an all-solid-state battery comprising same, wherein the first negative electrode active material layer includes a first negative electrode active material and a conductive material, the first negative electrode active material is at least one selected from graphite, silicon or a combination thereof, the second negative electrode active material layer includes a second negative electrode active material and a solid electrolyte, and the second negative electrode active material is silicon. According to the present invention, it is possible to provide a novel negative electrode having high energy density and excellent charge specific capacity and coulombic efficiency characteristics over cycles, and an all-solid-state battery comprising same.
Absstract of: DE102025105350A1
Verfahren (200) zur Nachbehandlung einer deponierten Festelektrolytseparatorschicht (102), wobei die Festelektrolytseparatorschicht (102) auf einem Stromsammler (101) aus Metall oder metallisierter Polymerfolie aufgebracht ist und mechanische Spannungen sowie Kristallitspannungen aufweist, das Verfahren umfassend: Erwärmen (202) der Festelektrolytseparatorschicht (102) durch Lichtabsorption auf eine vorgegebene Temperatur oberhalb einer materialbedingten Temperaturschwelle, wodurch die mechanischen Spannungen in der Festelektrolytseparatorschicht (102) vermindert werden.
Absstract of: US20260238014A1
0000 A home energy management system (HEMS) includes a first battery and a power converter. The power converter includes: a high-voltage direct current (HVDC) bus having a positive conductor and a reference conductor defining a DC voltage of at least 270V therebetween; an inverter configured to: convert alternating current (AC) power from a utility grid source to HVDC power on the HVDC bus for charging the first battery, and to convert power from the HVDC bus to AC power for supplying a home load; and a bi-directional DC-DC converter configured to transmit power between the HVDC bus and the first battery. The HEMS further includes: a HVDC plug configured to selectively connect the HVDC bus to a second battery located onboard an electrified vehicle, or the first battery is configured to be physically and electrically disconnected from the utility grid source and swapped-out with another battery of the electrified vehicle.
Absstract of: WO2026169894A1
An anode for a lithium-ion energy storage device may include a current collector with an electrically conductive layer and a lithium storage layer overlaying the current collector. The lithium storage layer can have a thickness of at least 500 nm and may contain at least 40 atomic % silicon, wherein the atomic % is relative to a total of non-hydrogen atoms, 0.5 – 50 atomic % nitrogen, and 0.1 - 25 atomic % hydrogen relative to a total of all atoms.
Absstract of: US20260237786A1
A secondary battery, including an electrode assembly, a case that accommodates the electrode assembly, the case including an opening at at least one side, and a cap plate that seals the opening, wherein the case includes an inner wall, an outer wall spaced apart from and surrounding the inner wall, a space portion between the inner wall and the outer wall, and a connection wall connecting the inner wall and the outer wall, the connection wall sealing an upper end of the space portion.
Absstract of: DE102025105121A1
Die Offenbarung betrifft einen elektrischen Energiespeicher (1) für ein Elektrofahrzeug mit einer Mehrzahl von Speicherzellen (2); einer Elektronikeinheit zur Überwachung und Steuerung der Speicherzellen (2); wenigstens einem Schaltelement (6), welches elektrisch mit der Elektronikeinheit und/oder der Mehrzahl von Speicherzellen (2) verbunden ist; wenigstens einem Stecker (4) zur elektrischen und mechanischen Verbindung des Schaltelements (6) mit der Elektronikeinheit und/oder den Speicherzellen (2); und einer Abdeckkappe (8) zum Abdecken des wenigstens einen Steckers (4), um diesen vor Eindringen von Fluid, insbesondere Strukturschaum, zu schützen.
Nº publicación: WO2026168658A1 13/08/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
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Absstract of: WO2026168658A1
The present invention relates to a positive electrode slurry composition for a rechargeable lithium battery, and a positive electrode and a rechargeable lithium battery manufactured using same. The positive electrode slurry composition for a rechargeable lithium battery comprises: a positive electrode active material; an additive; and a solvent, wherein the additive includes: a first additive including a styrene-butadiene-based structural unit and a thiol-based structural unit; and a second additive including an oxygen-containing heterocyclic compound.
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