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VERFAHREN ZUR HERSTELLUNG POSITIVER ELEKTRODENPARTIKEL BESCHICHTET MIT KERAMIKPARTIKELN UND EINER GLASPHASENKONTINUIERLICHEN SCHICHT UNTER VERWENDUNG VON TROCKENMISCHUNG UND EINSTUFIGER SINTERUNG

Absstract of: DE102025105471A1

Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, auf denen Keramikpartike und eine kontinuierliche Glasphasenschicht aufgebracht sind, unter Verwendung einer Trockenmischung und einer einstufigen Sinterung, was die folgenden Schritte umfasst: Vermischung eines Nickel-Kobalt-Manganhydroxid-Vorläufers, einer Lithiumquelle, eines glasartigen Leitervorläufers und eines LLZO-Vorläufers unter Verwendung eines Mischers, um eine Vorläufermischung zu bilden; dann Platzierung der Vorläufermischung in einen Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, welches aus mehreren positiven Elektrodenpartikeln gebildet ist, wobei jeder der positiven Elektrodenpartikel einen entsprechenden NCM-Partikel umfasst, der mit einer entsprechenden Glasphasenschicht und mehreren entsprechenden LLZO-Partikeln beschichtet ist; dann Durchführung einer mechanischen Zerkleinerung und eines Siebvorgangs des gesinterten Pulvers unter Verwendung eines Siebs; dann werden die gesinterten Pulver mit mehreren ersten Kohlenstoffnanoröhren und mehreren amorphen Kohlenstoffen im Nanomaßstab gemischt, um mehrere mit Kohlenstoffmaterial beschichtete positive Elektrodenpartikel zu bilden.

POWER CONTROL METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE MEDIUM

Absstract of: WO2026168747A1

An electronic device according to one embodiment of the present disclosure may comprise: a charging port; a first battery; a second battery; a first charging circuit electrically connected to the first battery and the second battery; a second charging circuit electrically connected to the charging port and the second battery; a memory for storing at least one instruction; and a processor operatively connected to the memory. For example, when executed by the processor, the at least one instruction can instruct the electronic device to: monitor a connection state between the charging port and an external power source; determine a target charging circuit from among the first charging circuit and the second charging circuit on the basis of the connection state; and charge the second battery on the basis of the target charging circuit.

Carbon and metal dual buffer layer to suppress lithium dendrite growth in solid-state batteries

Absstract of: US20260237677A1

0000 This disclosure provides systems, methods, and apparatus related to solid-state batteries. In one aspect, a structure includes a current collector, a layer of metal disposed on the current collector, and a layer of carbon disposed on the layer of metal.

VERFAHREN ZUR HERSTELLUNG POSITIVER ELEKTRODENPARTIKEL MIT KERAMIKPARTIKELN UND GLASPHASENVERBUNDSCHICHT UNTER VERWENDUNG VON VORLÄUFERSUBSTANZEN

Absstract of: DE102025105460A1

Ein Verfahren zur Herstellung positiver Elektrodenpartikel mit Keramikpartikeln und Glasphasenverbundschicht unter Verwendung von Vorläufersubstanzen umfasst die folgenden Schritte: Vermischung einer Nickelquelle, einer Manganquelle, einer Kobaltquelle und eines ersten Dispersionsmittels, um eine Nickel-Kobalt-Mangan-Mischaufschlämmung zu bilden; dann Durchführung einer Trocknung und Sinterung der Nickel-Kobalt-Mangan-Mischaufschlämmung, um einen Nickel-Kobalt-Mangan-Vorläufer zu erhalten; dann Vermischung einer Lithiumquelle, eines glasartigen Leitervorläufers, eines LLZO-Vorläufers und eines zweiten Dispersionsmittels, um eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischung des Nickel-Kobalt-Mangan-Vorläufers und eines dritten Dispersionsmittels, um eine zweite Vorläufermassenaufschlämmung zu bilden und Vermischung der zweiten Vorläufermassenaufschlämmung mit der ersten Vorläufermassenaufschlämmung, um eine dritte Vorläufermassenaufschlämmung zu bilden; dann Trocknung der dritten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; und anschließende Sinterung des Vorläuferpulvers, um die mit LLZO-Partikeln und einer Glasphasenschicht beschichteten positiven Elektrodenpartikel zu erhalten.

PACKAGING MATERIAL FOR POWER STORAGE DEVICE, METHOD FOR MANUFACTURING PACKAGING MATERIAL, POWER STORAGE DEVICE, MOBILE BODY, AND ELECTRONIC APPARATUS

Absstract of: WO2026168611A1

This packaging material for a power storage device comprises a laminate including, from an outer side, at least a base material layer, a barrier layer, and a heat-sealable resin layer, in that order. The base material layer contains at least one of polyester and polyamide; the thickness of the base material layer is 40 μm or more; the barrier layer contains an aluminum alloy foil; and the thickness of the aluminum alloy foil is 55 μm or more. In a tensile test performed on the laminate under the measurement conditions of an environment of 25°C, a tensile speed of 300 mm/min, and a distance between chucks of 30 mm, the average value of tensile strength A and tensile strength B is less than 125 N/15 mm, the tensile strength A (N/15 mm) being measured when a measurement sample having a length of 15 mm in the TD direction and a length of 100 mm in the MD direction is displaced by 2% in the MD direction and the tensile strength B (N/15 mm) being measured when a measurement sample having a length of 15 mm in the MD direction and a length of 100 mm in the TD direction is displaced by 2% in the TD direction.

Apparatus and Method of Estimating the Battery Internal Resistance

Absstract of: US20260235688A1

A battery internal resistance estimating apparatus includes a storage unit and a control unit. The storage unit stores a plurality of battery charging information items which is obtained during charging of a battery with a plurality of constant currents. The control unit reads multiple battery charging information items having an initial SOC identical to a target initial SOC from among the plurality of battery charging information items and determines whether there is any battery charging information item corresponding to a constant current identical to a target constant current among the multiple read battery charging information items. The control unit estimates the internal resistance of the battery according to the target initial SOC and the charging with the target constant current, using two battery charging information items corresponding to two constant currents close to the target constant current, when it is determined that there is no battery charging information item according to a constant current identical to the target constant current. A method utilizing the same is also provided.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Absstract of: US20260235695A1

0000 An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a first differential profile based on a differential voltage of the battery and capacity of the battery corresponding to a charging process and a second differential profile based on the differential voltage of the battery and capacity of the battery corresponding to a discharging process; and a control unit configured to calculate a number of charging peaks included in a first capacity section from the first differential profile, calculate a number of discharging peaks included in a second capacity section from the second differential profile, and diagnose a state of the battery based on the number of charging peaks and the number of discharging peaks.

VERFAHREN UNTER VERWENDUNG VON NASSMISCHUNG UND EINSTUFIGER SINTERUNG ZUR HERSTELLUNG VON MIT KONTINUIERLICHER GLASPHASENSCHICHT BESCHICHTETEN POSITIVEN ELEKTRODENPARTIKELN

Absstract of: DE102025105468A1

Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, auf eine kontinuierlichen Glasphasenschicht unter Verwendung einer Nassmischung und einer einstufigen Sinterung aufgetragen ist umfasst die Schritte: Vermischung einer Lithiumquelle, eines glasartigen Leitervorläufers und eines Dispergiermittels, um mithilfe eines Mischers eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischen eines Nickel-Kobalt-Manganhydroxid-Vorläufers und der ersten Vorläufermassenaufschlämmung, um eine zweite Vorläufermassenaufschlämmung zu bilden; dann Trocknung der zweiten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; dann Platzierung des Vorläuferpulvers in einem Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, welche aus einer Vielzahl von positiven Elektrodenpartikeln besteht. Jeder der positiven Elektrodenpartikel umfasst einen NCM-Partikel, auf den eine Glasphasenschicht aufgebracht ist.

VERFAHREN UNTER VERWENDUNG VON VORLÄUFERN ZUR HERSTELLUNG POSITIVER ELEKTRODENPARTIKEL, WELCHE MIT KERAMIKAPRTIKELN UND EINER GLASPHASENVERBUNDSCHICHT BESCHICHTET SIND

Absstract of: DE102025105463A1

Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, auf die unter Verwendung von Vorläufern Keramikpartikel und eine kontinuierliche Glasphasenschicht aufgetragen sind umfasst die folgenden Schritte: Vermischung einer Nickelquelle, einer Manganquelle, einer Kobaltquelle und eines ersten Dispersionsmittels, um eine Nickel-Kobalt-Mangan-Mischaufschlämmung zu bilden; dann Durchführung einer Trocknung und Sinterung der Nickel-Kobalt-Mangan-Mischaufschlämmung, um einen Nickel-Kobalt-Mangan-Vorläufer zu erhalten; dann Vermischung einer Lithiumquelle, eines glasartigen Leitervorläufers, eines LLZO-Vorläufers und eines zweiten Dispersionsmittels, um eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischung des Nickel-Kobalt-Mangan-Vorläufers und eines dritten Dispersionsmittels, um eine zweite Vorläufermassenaufschlämmung zu bilden und Vermischung der zweiten Vorläufermassenaufschlämmung mit der ersten Vorläufermassenaufschlämmung, um eine dritte Vorläufermassenaufschlämmung zu bilden; dann Trocknung der dritten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; und anschließende Sinterung des Vorläuferpulvers, um die mit LLZO-Partikeln und einer Glasphasenschicht beschichteten positiven Elektrodenpartikel zu erhalten.

Bodenanordnung mit Sensoreinrichtung für ein Medium

Absstract of: DE102025104969A1

Die Erfindung betrifft eine Bodenanordnung (100) zur Aufnahme einer Batteriespeichereinheit (22) eines Fahrzeugs (F) mit zumindest teilweisem elektrischem Antrieb, die Bodenanordnung (100) aufweisend: ein Bodenelement (10) zur Abdeckung einer Unterseite der Batteriespeichereinheit (22); wenigstens eine zwischen dem Bodenelement (10) und der Batteriespeichereinheit (22) angeordnete Sensoreinheit (30), die dazu eingerichtet ist, das Vorhandensein von einem flüssigem Medium (FL) in der Bodenanordnung (100) zu erfassen, wobei die Sensoreinheit (30) in einem flächig ausgebildeten ersten Abschnitt (32) zwei im Wesentlichen parallel zueinander und durch einen Messbereich (34) voneinander beabstandete elektrische Leiterabschnitte (L1, L2) umfasst. Dabei ist vorgesehen, dass die elektrischen Leiterabschnitte (L1, L2) in dem ersten Abschnitt (32) zwischen zwei diese vollständig umschließenden flächig ausgebildeten Isolationsschichten (41, 42) angeordnet sind, wobei die Isolationsschichten (41, 42) in dem Messbereich (34) direkt miteinander verbunden sind, so dass sich in dem Messbereich (34) beidseitig der Isolationsschichten (41, 42) ein jeweiliger oberer und unterer Messaußenbereich (36, 38) bildet.

MICROCAPSULES CONTAINING ADDITIONAL LITHIUM SALT FOR LIBS

Absstract of: WO2026166951A1

Microcapsules containing additional lithium salts for Lithium-ion batteries (LIBs) are presented here. The microcapsules are comprised of outer hollow shell such as porous SiO2 and inner core of a lithium salt such as lithium squarate. Further, processes of preparing the microcapsules are provided.

METHOD FOR PRODUCING A SUSPENSION OF CARBON NANOTUBES

Absstract of: WO2026166828A1

A method for preparing a carbon nanotube suspension wherein the method comprises successive steps of (1) freezing a carbon nanotube suspension, the carbon nanotube suspension having a first viscosity and containing a solvent, not less than 0.2 wt.% and not more than 2 wt.% of single-walled and/or double-walled carbon nanotubes, and not less than 0.2 wt.% and not more than 3 wt.% of a dispersant to obtain a frozen carbon nanotube suspension; and (2) thawing the frozen carbon nanotube suspension to obtain a carbon nanotube suspension having a second viscosity, wherein the second viscosity is lower than the first viscosity. The resulting suspensions are particularly useful in the preparation of electrode pastes and elecrodes of Li-ion secondary batteries.

RECHARGEABLE BATTERY AND BATTERY PACK INCLUDING RECHARGEABLE BATTERY

Absstract of: US20260237753A1

A rechargeable battery may include an electrode assembly wound around a core portion and a current collector plate located on at least one side of the electrode assembly and electrically connected to the electrode assembly. The current collector plate may include a first region in line with the core portion and having a first thickness and a second region in line with an outer portion of the electrode assembly and having a second thickness that may be less than the first thickness.

SECONDARY BATTERY

Absstract of: US20260237663A1

A second battery includes a positive electrode layer, a negative electrode layer, and an electrolyte layer to conduct lithium ion between the positive electrode layer and the negative electrode layer. The positive electrode layer is provided with a positive electrode active material containing Mn in its composition and an oxide-based ion conductor having lithium ion conductivity. The electrolyte layer contains a fluorine-containing lithium salt that contains fluorine atoms and a solvent to dissolve the fluorine-containing lithium salt. The oxide-based ion conductor is a dielectric material capable of facilitating dissociation of lithium ion from the fluorine-containing lithium salt.

BATTERY CELL AND INSULATOR APPLIED THERETO, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Absstract of: WO2026168778A1

Provided are a battery cell and an insulator applied thereto, and a battery pack and a vehicle comprising same, the battery cell comprising: a battery can having a side wall member, a bottom member connected to one axial end of the side wall member, and an opening provided at the other axial end of the side wall member; an electrode assembly accommodated through the opening of the battery can and having a first electrode, a second electrode, and a separator interposed therebetween wound around a winding axis; a cap covering the opening of the battery can; and an insulator interposed between one end of the electrode assembly in the winding axis direction and the bottom member, having a central hole formed along the central axis direction, and including at least one central hole extension part recessed in the central axis direction from the outside in the radial direction from the central hole and extending along the circumferential direction.

COOLANT PASSAGE PLATES FOR A BATTERY CELL ASSEMBLY

Absstract of: US20260237787A1

A superbeam assembly for a battery cell assembly includes a left coolant passage plate including a left section defining a left stamped channel section, a right section defining a right stamped channel section, a left inner channel surface, and a left outer channel surface. The superbeam assembly includes a right coolant passage plate including a right section defining a right stamped channel section, a right section defining a right stamped channel section, a right inner channel surface, and a right outer channel surface. A channel profile defined by the left stamped channel section of the left coolant passage plate is a mirror image of the right stamped channel section of the right coolant passage plate and a channel profile defined by the right stamped channel section of the left coolant passage plate is a mirror image of the left stamped channel section of the right coolant passage plate.

INTERNAL THERMAL SWITCHES FOR BATTERY CELL CURRENT CONTROL

Absstract of: US20260237871A1

A battery cell for a battery pack, the battery cell including a case, a terminal, an electrode stack, a current collector electrically coupled to the electrode stack, and an internal temperature-sensitive, electrically conductive component. The internal temperature-sensitive, electrically conductive component is configured to, when having a first temperature that does not satisfy a temperature threshold, have a first shape that electrically couples the current collector to the terminal and, when having a second temperature that satisfies the temperature threshold, change from the first shape to a second shape different from the first shape to disable the battery cell by electrically disconnecting the current collector from the terminal and electrically coupling the terminal to the case.

METHOD FOR PREPARING CORROSION-RESISTANT COMPOSITE INTERFACIAL LAYER FOR METAL AND USE THEREOF

Absstract of: NL4001662A

The present disclosure relates to a method for preparing a corrosion-resistant composite interfacial layer for a metal and use thereof. The composite interfacial layer uses cationic epoxy acrylate resin as a matrix and comprises graphene oxide nanosheets loaded with metal-organic framework (MOF) particles and the like. The electrodeposition bath comprises, on a mass basis, 20-30% of the resin, 10-20% of talc, 3% of defoamer, 3% of dispersant, 1-10% of graphene oxide nanosheets loaded with metal-organic framework particles, and the balance of deionised water. The preparation comprises metal pretreatment, electrodeposition at 60-120 V for 0.5-3 min, and curing at 160-180°C for 20-30 min. The graphene oxide nanosheets loaded with metal-organic framework particles enhance resin bonding and the compactness of the interfacial layer, and adsorb corrosive media. Tafel testing shows that the corrosion resistance is significantly improved. The method is suitable for corrosion protection of battery pack casings.

END PLATE OF SOLID-STATE BATTERY, CASE, AND SOLID-STATE BATTERY

Absstract of: WO2026165975A1

An end plate of a solid-state battery, a case and a solid-state battery. The end plate comprises an end plate body, wherein the end plate body comprises at least one end portion; a planar portion and one or more inclined portions are provided on the side of the end plate body close to battery cells; and one end of each inclined portion is connected to the planar portion, and the other end of each inclined portion is connected to the end portion, so as to form an end plate having a frustum structure.

ELECTRODE

Absstract of: US20260237641A1

0000 An electrode includes a current collector foil and a cathode layer, in which the cathode layer is disposed on a surface of the current collector foil, the positive electrode layer contains a cathode active material, the cathode active material contains non-spherical particles, the non-spherical particles contain an olivine phosphate compound, and circularity of the non-spherical particles is 0.50 or less.

BATTERY WETTING DEVICE AND BATTERY PRODUCTION APPARATUS

Absstract of: WO2026166156A1

Disclosed in the present application are a battery wetting device and a battery production apparatus. The battery wetting device comprises a pressure chamber, a gas buffer assembly, a gas replenishment assembly and a vacuum pumping assembly. The pressure chamber is provided with a pressure cavity configured for placement of a battery. The gas buffer assembly comprises a gas buffer member, a first valve and a second valve, wherein the first valve is arranged between an inlet of the gas buffer member and the pressure chamber, and the second valve is arranged between an outlet of the gas buffer member and the pressure chamber. The gas replenishment assembly comprises a gas replenishment member and a third valve, wherein the gas replenishment member is arranged on the side of the gas buffer member close to the outlet of the gas buffer member, and the third valve is arranged between the outlet of the gas replenishment member and the pressure chamber. The vacuum pumping assembly comprises a vacuum pumping member and a fourth valve, wherein the vacuum pumping member is arranged on the side of the gas buffer member close to the inlet of the gas buffer member, and the fourth valve is arranged between an inlet of the vacuum pumping member and the pressure chamber. The battery wetting device in the present application can improve the wetting efficiency of batteries.

BATTERY SYSTEM

Absstract of: US20260237770A1

An ECU executes a process including: acquiring a temperature distribution of the battery while the vehicle is stopped; setting a normal range and an abnormal range; performing heating control using ripple current; acquiring the temperature distribution after heating; determining whether there is an abnormality in the temperature change; and determining that delamination of the thermally conductive material has occurred when it is determined that there is an abnormality in the temperature change.

HIGH-ENTROPY SINGLE CRYSTAL STRUCTURED CATHODE MATERIAL WITH A GRADIENT ELEMENT DISTRUBUTION

Absstract of: US20260237651A1

A vehicle battery cell, a battery for an electric vehicle, and a cathode for a vehicle battery cell is provided. The vehicle battery cell includes a cathode current collector and a cathode disposed on a surface of the cathode current collector. The cathode includes a high-entropy (HE) single crystal-structure material absent of voids or cracks and at least one doping element disposed within each single crystal particle of the material. The material includes at least one of nickel cobalt manganese (NCM), nickel cobalt aluminum (NCA), nickel manganese (NMx), or nickel cobalt manganese aluminum (NCMA), and a particle size of the high-entropy (HE) single crystal-structure material is greater than 1 micrometer (μm). A concentration of the at least one doping element increases radially from a center to the surface, and a concentration of the material decreases radially from the center to the surface.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Absstract of: AU2025328681A1

The present application provides a battery cell, a battery, and an electric apparatus. In the battery cell, at least one of a positive electrode sheet, a separator, and a negative electrode sheet contains a gel electrolyte at a top thereof, so that a limiting electrolyte is kept at a top of the battery cell, reducing a risk of electrolyte extrusion, and lowering a risk of electrolyte deficiency at the top of the cell during a cycling process of the battery cell, thereby enabling the battery cell to maintain better cycle performance on the basis of improvements in energy density resulting from a larger size and/or a lower electrolyte injection factor of the battery cell.

BATTERY ASSEMBLY

Nº publicación: US20260237836A1 13/08/2026

Applicant:

SK ON CO LTD [KR]
SK On Co., Ltd.

Absstract of: US20260237836A1

The present disclosure relates to a battery assembly. The battery assembly according to an embodiment of the present disclosure may comprise: a receiving case; and a plurality of battery cells, and lead tab portions electrically connected to an electrode assembly; wherein the plurality of battery cells may include a first group of battery cells including the lead tab portions protruding from one side of a cell case and a second group of battery cells including the lead tab portions protruding from the other side of the cell case; and wherein the battery assembly may further include a first exhaust passage, and a second exhaust passage.