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575
results.
Updated on
14/09/2026 [07:52:00]
Results 275 to 300 of 575
Absstract of: DE102025000790A1
Die Erfindung betrifft ein Verfahren zur Herstellung eines Zellblockes (4) für einen elektrischen Energiespeicher, wobei der Zellblock (4) eine Mehrzahl elektrisch verschalteter Einzelzellen (1) umfasst und zwischen den Einzelzellen (1) ein Temperierelement (3) angeordnet ist. Erfindungsgemäß ist vorgesehen, dass, die Einzelzellen (1) in Reihen (R) nebeneinander vorgegeben positioniert werden, zwischen einer vorgegebenen Anzahl von Einzelzellen (1) benachbarter Reihen (R) das Temperierelement (3) als Halbfertigerzeugnis (2) angeordnet wird und das Temperierelement (3) anschließend durch eine Druckbeaufschlagung plastisch ausgeformt wird. Weiterhin betrifft die Erfindung einen Zellblock (4).
Absstract of: WO2026185684A1
The present invention provides positive electrode active material particles that have low lithium ion diffusion resistance. Positive electrode active material particles according to the present invention include lithium, cobalt, oxygen, magnesium, fluorine, nickel, and aluminum. The positive electrode active material particles have O-Mg-F linkages. The positive electrode active material particles have an edge region that includes, in order from the inside to the outside, a region that has a layered rock salt–type crystal structure of the R-3m space group, a region that has a spinel-type crystal structure, and a region that has a rock salt–type crystal structure. It is preferable that surface layer portions of the positive electrode active material particles have O-Mg-F linkages. It is preferable that the percentage of magnesium in O-Mg-F linkages at the surface layer portions as analyzed by XPS be 5%–30%.
Absstract of: DE102025126272A1
Die Erfindung betrifft eine Fahrzeugbatterie, aufweisend eine Vielzahl von Batteriezellen (1) und eine Steuereinheit (2), die dazu ausgeführt ist, ein Balancing-Verfahren auszuführen, das Unterschiede in elektrischen Ladungszustände von Batteriezellen (1) ausgleicht, und die dazu ausgeführt ist, ein Disbalancing-Verfahren auszuführen, das Unterschiede in elektrischen Ladungszuständen von Batteriezellen (1) hervorruft, und wobei die Steuereinheit (2) dazu ausgeführt ist, eine Entscheidungslogik auszuführen, die entscheidet, ob a) Ladungszustände von Batteriezellen (1) durch ein Balancing-Verfahren auszugleichen sind oder b) zuerst Unterschiede durch ein Disbalancing-Verfahren hervorzurufen sind und anschließend durch ein Balancing-Verfahren auszugleichen sind, wobei die Entscheidungslogik beim Vorliegen einer ersten Niedrigtemperaturbedingung entscheidet, für eine oder mehrere der Batteriezellen (1) Methode b) anzuwenden.
Absstract of: US20260269324A1
A secondary battery includes a battery can having a bottom portion and sidewall portions and open to an outside through an opening; an electrode assembly having a stack structure of a positive electrode plate, a separator, and a negative electrode plate and mounted inside the battery can; and a cap assembly fixed to the opening of the battery can and connected to the electrode assembly, wherein a lower portion of the electrode assembly includes a bottom fusion folding portion, formed by heat-fusing and folding an edge of the separator, is in contact with the bottom portion of the battery can, and supports the electrode assembly.
Absstract of: WO2026183796A1
Disclosed in the present application are a secondary battery and an electric device. The secondary battery comprises a casing, an electrode assembly, and a first adhesive member. The casing comprises a first casing and a second casing that are welded to each other. The electrode assembly is accommodated in an accommodating cavity; the electrode assembly comprises first electrode sheets, second electrode sheets, and separators. Each separator comprises an isolation portion and an extension portion, wherein in a first direction, the projection of the isolation portion overlaps the projection of the first electrode sheet; the extension portion is connected to the isolation portion, and the extension portion extends beyond the first electrode sheet. The first adhesive member comprises a first portion, a second portion, and a third portion arranged in sequence, and the electrode assembly comprises a first surface and a second surface, wherein the first portion is bonded to the first surface, the third portion is bonded to the second surface, and the second portion connects the first portion and the third portion; when viewed in the first direction, the part of the extension portion not covered by the first adhesive member extends beyond the second portion in a second direction. The present secondary battery helps reduce the possibility of the extension portion interfering with the connection between the first casing and the second casing.
Absstract of: WO2026183651A1
The present application provides a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; the separator is provided between the positive electrode sheet and the negative electrode sheet; the separator comprises a substrate and a first coating provided on at least one surface of the substrate; the first coating comprises a first polymer; and the first polymer comprises a fluorine-containing polymer. The electrolyte comprises a compound of formula (I); and on the basis of the mass of the electrolyte, the mass percentage of the compound of formula (I) is W1％, wherein 0.01≤W1≤0.5. By means of the described configurations, the adhesion between the separator and electrode sheets can be improved, thereby mitigating deformation of the secondary battery.
Absstract of: WO2026183657A1
Provided in the embodiments of the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell is an alkali metal battery, and comprises a casing, an electrode assembly, electrode terminals and a first support member; the casing has an accommodating chamber therein and comprises a first wall, a second wall and a third wall; the first wall and the second wall are opposite to each other; the third wall is arranged between the first wall and the second wall; one end of the third wall is connected to the first wall and the other end thereof is connected to the second wall; the electrode assembly is accommodated in the accommodating chamber and located between the first wall and the second wall; the electrode assembly comprises electrode sheets; the electrode terminals are arranged on the third wall and are electrically connected to the electrode assembly; the first support member is arranged between the first wall and the electrode assembly; a first cavity is provided between the first support member and the first wall and/or between the first support member and the electrode assembly, the first cavity being communicated with a space in which the electrode sheets are located.
Absstract of: US20260269430A1
A battery, including a case, an electrode assembly inside the case, the electrode assembly including an electrode, a tab member connected to the electrode, the tab member extending from the electrode assembly, a cap assembly facing the electrode assembly, the cap assembly having a terminal, and a current collector assembly between the electrode assembly and the cap assembly, wherein the current collector assembly includes a current collecting plate coupled to the tab member and a flexible current collector electrically connecting the current collecting plate and the terminal.
Absstract of: WO2026186610A1
The present invention makes it possible to suppress rotation of a secondary battery cell. A battery holder 20 includes an elastic body 40 which is sandwiched between a first open end 28A side of a first holder 21 and a second open end 28B side of a second holder 22, and in which elastic openings 42 for individually and partially housing one or more secondary battery cells 1 are respectively formed at positions overlapping the first open end 28A and the second open end 28B. The elastic opening 42 forms a plurality of protrusions 44 protruding from the annular inner surface toward the annular center side. The protrusion 44 includes a first protrusion 44A provided in the vicinity of an opening end facing the first open end 28A, and a second protrusion 44B provided in the vicinity of an opening end facing the second open end 28B. The first protrusion 44A and the second protrusion 44B are provided at positions that do not overlap each other when viewed from the opening end of the elastic opening 42. The secondary battery cell 1 is configured such that each of the plurality of protrusions 44 of the elastic opening 42 elastically presses a cell side surface 1b of the secondary battery cell 1.
Absstract of: WO2026183743A1
The present application provides a battery cell, a battery apparatus, and an electric apparatus. The battery cell comprises a housing, an electrode assembly, and an electrolyte. The housing comprises a bottom wall, the electrode assembly is accommodated within the housing, a first wall is arranged below the electrode assembly in the direction of gravity, and the electrolyte is accommodated within the housing. The first wall comprises a first portion and a second portion that are adjacent to each other, the second portion is disposed to protrude away from the electrode assembly relative to the first portion, a side of the second portion facing the electrode assembly is provided with a recess, the electrolyte is at least partially accommodated within the recess, and the second portion is configured to be thermally conductively connected to a thermal management component. The battery cell provided in the present application helps improve heat exchange efficiency between an electrode assembly of the battery cell and a thermal management component, reducing battery cell temperature rises under fast-charging operating conditions, and helps to improve battery cell reliability performance.
Absstract of: WO2026187234A1
The present disclosure concerns a method for determining a risk of a thermal runaway in a battery pack comprising a plurality of battery cells, the method comprising: arranging a plurality of acoustic sensors at different positions on the battery pack, measuring a plurality of acoustic signals where each signal is measured by a separate one of the plurality of acoustic sensors, comparing a property of each of the plurality of acoustic signals with the same property of a respective one of a plurality of stored acoustic reference signals, determining that there is an acoustic anomaly provided that the difference between the property of a given acoustic signal amongst the plurality of acoustic signals and the property of its stored acoustic reference signal exceeds a predetermined acoustic threshold, and determining a risk of thermal runaway based at least on the determination that there is an acoustic anomaly.
Absstract of: WO2026186656A1
The present invention relates to a composition containing a compound (A) having at least one carbon-carbon triple bond, and a carboxylic acid ester (B). The ratio (X/Y) of the content (X) (mass%) of the carboxylic acid ester (B) to the content (Y) (mass%) of the compound (A) is 6-200. The composition preferably contains 8 mass% or less of the compound (A). In the composition, the compound (A) may preferably encompass a compound having a carbon-carbon triple bond at least at one terminal.
Absstract of: WO2026185567A1
Thermodynamically amorphous and crystalline composite, characterized by comprising a material deposited on a copper sheet or foil represented by the general formula Snx(FenNibCcOdNe)1-x, wherein the ratio of the elements in atomic percentage is normalized to: 0.5 ≤ x ≤ 0.75, 0.28 ≤ a ≤ 0.70, 0.02 ≤ b ≤ 0.05, 0.13 ≤ c ≤ 0.29, 0.04 ≤ d≤ 0.26, and 0.01 ≤ e ≤ 0.175; and which contains an amorphous matrix phase and nanocrystalline phases dispersed therein, as measured by X-ray diffraction (Cu Kα radiation, 2θ interval, 0.02°/s); wherein the nanocrystalline phases are tetragonal β-Sn and stoichiometric Sn-Fe intermetallic phases, wherein the ratio of β-Sn and Sn-Fe phases is preferably 70:30, and wherein the diameter of the nanocrystals is 50-800 nm, preferably 150-350 nm.
Absstract of: DE102025135872A1
Eine Vorrichtung (1) zum Zuführen gebrauchter Batterien (2) zu einem Wiederverwertungsprozess weist wenigstens eine Empfangseinheit (4) zum Empfangen von wenigstens einem Eingangsparameter einer gebrauchten Batterie (2) auf. Wenigstens eine Recheneinheit (5) ist zum Ermitteln wenigstens eines Zustandsparameters der gebrauchten Batterie (2) auf der Basis des wenigstens einen Eingangsparameters oder auf der Basis von mehreren der Eingangsparameter vorgesehen. Wenigstens eine Vermittlungseinheit (6) ordnet die gebrauchte Batterie (2) zu einer von mehreren Kategorien auf der Grundlage des einen Zustandsparameters oder auf der Grundlage von mehreren Zustandsparametern zu, wobei jede Kategorie einem spezifischen Prozess zur Wiederverwertung von gebrauchten Batterien (2) entspricht. Darüber hinaus leitet sie die gebrauchte Batterie (2) zu deren Wiederverwertung gemäß einem derjenigen Kategorie entsprechenden Prozess weiter, der die gebrauchte Batterie (2) zugeordnet wurde. Dabei ist die Vorrichtung (1) dazu eingerichtet, wenigstens einen Parameter wenigstens einer chemischen Komponente der gebrauchten Batterie (2) als Zustandsparameter zu ermitteln.
Absstract of: WO2026187108A1
The present invention provides: a positive electrode; and a lithium secondary battery comprising same, wherein the positive electrode includes a lithium iron phosphate-based compound, and in an X-ray diffraction pattern after rolling, the ratio (I101/I020) of the intensity of a (101) plane peak (I101) to the intensity of a (020) plane peak (I020) is 0.8 to 3.0.
Absstract of: WO2026186318A1
An SOC estimation unit 112 estimates the state of charge (SOC) of a lithium ion battery on the basis of the SOC-open circuit voltage (OCV) curve during charging of the lithium ion battery, the SOC-OCV curve during discharging of the lithium ion battery, and the voltage of the lithium ion battery included in the battery data. After switching from charging to discharging, a correction unit 114 corrects the SOC-OCV curve during discharging by referring to the SOC-OCV curve during charging on the basis of the switching speed coefficient from the SOC-OCV curve during charging to the SOC-OCV curve during discharging, and corrects the SOC-OCV curve during discharging on the basis of the crystallization state of silicon.
Absstract of: AU2025430481A1
A battery pack according to one embodiment of the present invention comprises: a first case in which a first cell module assembly is accommodated; and a second case in which a second cell module assembly stacked on the first cell module assembly is accommodated, and which can be coupled to and separated from the first case, wherein a lower coupling part that can be moved is formed on the inner surface of the second case, and an upper coupling part that is to be coupled to at least a portion of the lower coupling part can be formed at the upper part of the first case.
Absstract of: WO2026187209A1
The present invention relates to an anode having low manufacturing costs and excellent high-rate charge/discharge characteristics. The anode according to the present invention comprises: an anode current collector; a first anode mixture layer, which is disposed on the anode current collector and includes a first anode active material; and a second anode mixture layer, which is disposed on the first anode mixture layer and includes a second anode active material, wherein the second anode active material is formed of primary-particle-type artificial graphite, and the first anode active material includes primary-particle-type artificial graphite and natural graphite.
Absstract of: WO2026184318A1
A casing and a battery cell. The casing (10) comprises two first walls (11) arranged opposite to each other and two second walls (12) arranged opposite to each other; the first walls (11) and the second walls (12) are alternately connected, and the area of each first wall (11) is greater than that of each second wall (12); the interior of the casing (10) is configured to accommodate an inner core assembly (30); the thickness a of the first wall (11), the height H of the casing (10), and the distance h between the inner core assembly (30) and the casing (10) satisfy the following relationship: 2h/(H-2a)≥0.5%.
Absstract of: DE102025108075A1
Die Erfindung betrifft ein Abdeckelement, eingerichtet zur Abdeckung einer mit einer Berstscheibe (7) verschlossenen Notöffnung einer Batteriezelle an einer Außenseite der Batteriezelle umfassend einen flächenartigen Grundkörper (20) und einen Sensor (5), der am flächenartigen Grundkörper (20) angeordnet ist, wobei der Sensor (5) eingerichtet ist, um einen Parameter zu erfassen, der einen Rückschluss auf einen Zustand der Batteriezelle ermöglicht.
Absstract of: WO2026187204A1
The present invention relates to a battery pack for an energy storage system. The battery pack comprises: a pack case having an accommodation space formed therein; an upper battery module which is located in an upper region of the inner space of the pack case and in which a plurality of battery cells are arranged horizontally; a lower battery module which is located in a lower region of the inner space of the pack case and in which a plurality of battery cells are arranged horizontally; and a cooling plate assembly arranged between the upper battery module and the lower battery module such that the upper surface is in contact with the upper battery module and the lower surface is in contact with the lower battery module, wherein cooling water flows inside the cooling plate assembly and simultaneously cools the upper and lower battery modules.
Absstract of: WO2026186657A1
The present invention relates to a secondary battery including a positive electrode, a negative electrode, and an electrolyte solution, wherein the negative electrode includes Si and/or an Si compound as a negative electrode active material, the Si element content in the negative electrode active material is 0.1-70 mass%, and the electrolyte solution includes a compound (A) represented by general formula (1), an electrolyte, and a nonaqueous solvent. In the general formula (1), RA1, RA2, and Y each independently represent a hydrogen atom or a C1-10 organic group, Z represents a C1-10 organic group, and n represents an integer of 2 or more.
Absstract of: WO2026186611A1
The present invention simplifies a structure for holding a secondary battery cell. A battery pack 100 comprises: a plurality of secondary battery cells 1 each having a cylindrical cell side surface 1c and a pair of cell end surfaces 1a serving as end surfaces of the cell side surface 1c; and a metal exterior case 10 defining a cell housing space 14 for housing therein a battery module 2 in which the plurality of secondary battery cells 1 are connected in a posture in which the cell end surfaces 1a of adjacent secondary battery cells 1 face each other. The exterior case 10 includes, on the inner surface of the cell housing space 14, a plurality of positioning parts 50 extending in the length direction of the battery module 2 and separated from each other along the circumferential direction of the cell side surface 1c. Each positioning part 50 includes an inner circumferential curved surface region 21 formed in an arc shape along the outer circumference of the cell side surface 1c. Each inner circumferential curved surface region 21 of the plurality of positioning parts 50 supports each cell side surface 1c of the plurality of secondary battery cells 1 to hold each secondary battery cell 1.
Absstract of: WO2026186258A1
An SOC estimation model generation method according to an embodiment of the present technology comprises the following three procedures (1) to (3). (1) Acquiring current and voltage measurement values of a secondary battery in intermittent charging using a stepwise current input or intermittent discharging using a stepwise current output performed on the secondary battery (2) Calculating an OCV and an impedance of the secondary battery for each step period in the intermittent charging or the intermittent discharging on the basis of the current and voltage measurement values (3) Generating an SOC estimation model capable of estimating an SOC of any secondary battery on the basis of the OCV and the impedance calculated for each step period.
Nº publicación: WO2026188181A1 10/09/2026
Applicant:
RESIDEO USA LLC [US]
RESIDEO USA LLC
Absstract of: WO2026188181A1
A detector device includes a battery compartment. The battery compartment includes a plurality of battery locations for receiving a plurality of batteries for powering an electronic circuitry of the detector device. Each battery location includes a first contact member located at a first end of each battery location and a second contact member located at a second end of each battery location opposite the first end. The second contact member includes an asymmetric member configured to displace a battery in response to fewer than all the plurality of battery locations having the plurality of batteries installed therein.
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