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1235
resultados
Última actualización
11/02/2026 [07:44:00]
Resultados 25 a 50 de 1235
Resumen de: DE102024207379A1
Die vorgestellte Erfindung betrifft eine Vorrichtung (100) zum Erfassen eines Berstverhaltens einer Batteriezelle (101), wobei die Vorrichtung (100) umfasst:- einen Indentor (103),- eine Anzahl Sensoren (105),wobei der Indentor (103) eine Kontaktfläche (107) umfasst, die dazu konfiguriert ist, die Batteriezelle (101) in einem Kontaktbereich (109) bis zum Bersten zu verformen,wobei die Anzahl Sensoren (105) dazu konfiguriert ist, das Berstverhalten der Batteriezelle (101) in dem Kontaktbereich (109) zu erfassen.
Resumen de: WO2026025685A1
The present application belongs to the technical field of batteries. Disclosed is an all-solid-state battery. The all-solid-state battery comprises a package, a battery cell assembly, a total positive electrode and a total negative electrode, wherein the package is sealingly wrapped around the outside of the battery cell assembly; the total positive electrode and the total negative electrode are both connected to the peripheral side of the package and are both electrically connected to the battery cell assembly; and the tiled area of the package is A, and the thickness of the package is B, where C=A/B, and 5000 mm≤C≤20000 mm. By means of increasing the tiled area of the package and reducing the thickness of the package of the all-solid-state battery, the uniformity of the entire all-solid-state battery is better.
Resumen de: WO2026029989A1
A halospinel-based solid electrolyte for an all-solid-state battery has the following composition: LiaM1bM2cScyX4, wherein X is one or more halogen; M1 is a divalent cation selected from the group consisting of Mg, Ca, Sr and Zn; M2 is one of a divalent, trivalent or tetravalent cation; 1.75 ≤ a ≤ 2.75; 0 ≤ y ≤ 0.375; 0.125 ≤ b ≤ 0.5; and 0.125 ≤ c ≤ 0.5.
Resumen de: WO2026025595A1
A battery (100) and a battery pack. The battery (100) comprises a casing (1) and an explosion-proof valve (2), wherein the explosion-proof valve (2) comprises welding portions (21), and the welding portions (21) are welded onto the casing (1); the explosion-proof valve (2) further comprises a weak portion (22), wherein the explosion-proof valve (2) or the casing (1) is provided with buffer structures (3), each buffer structure (3) is arranged close to the corresponding welding portion (21), and the buffer structures (3) are used for releasing the stress generated by welding of the welding portions (21).
Resumen de: WO2026027607A1
An arrangement for dissipating electrical heat losses from an electrical power component, having an electrical power component which is provided with an insulating housing and is thermally coupled via the latter to a cooling channel, is characterized according to the invention in that the thermal coupling is effected by means of a heat spreading element which on the one hand lies flat against a main surface of the housing and on the other hand is fastened directly to the cooling channel.
Resumen de: WO2026027791A1
A current collector disc (300) with a central axis (A) for a cylindrical secondary cell (100) is provided. The current collector disc (300) comprises peripheral lid contact portion (304), extending in a lid contact plane (PL), an electrode contact portion (302), extending in an electrode contact plane (PE), said electrode contact plane (PE) being displaced in a first direction from the lid contact plane (PL), and a connecting portion (306), connecting the lid contact portion (304) and the electrode contact portion (302). The connecting portion (306) comprises at least a flange (306a) extending along a flange axis (B) in a longitudinal section comprising the central axis (A), said flange axis (B) extending in a flange angle (α) in relation to the central axis (A), wherein the flange angle (α) is 0 to 40 degrees.
Resumen de: WO2026027505A1
The invention relates to a method for producing a separator for an electrochemical element, having the following steps: providing an aqueous suspension comprising fibrillatable fibers of regenerated cellulose; fibrillating the fibrillatable fibers of regenerated cellulose in the aqueous suspension by grinding to a freeness number, according to the Schopper-Riegler test, of at least 75 °SR and at most 95 °SR; flowing the aqueous suspension from the headbox onto a circulating screen of a Fourdrinier machine in order to form a fiber web, the circulating speed at which the screen circulates and the speed at which the aqueous suspension flows from the headbox being adapted to one another such that the circulating speed of the screen is at least 0.0% and at most 4.0% greater than the aforementioned speed at which the aqueous suspension flows from the headbox; and calendering the fiber web, at least 80% of the mass of the separator being formed by fibrillated fibers of regenerated cellulose, and the separator having a fiber structure which provides the separator with a plastic compressibility of less than 12%.
Resumen de: WO2026027743A1
The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, electrode assemblies, solid electrolyte separators, a solid- state battery, and a process for producing the same. An aspect of the present disclosure relates to a process for producing a solid electrolyte, the process comprising the steps of: - providing a curable composition comprising • a polyether compound comprising at least one polyalkoxy silyl funconal group; • a cross-linker comprising at least two polyalkoxy silyl funconal groups and a metal ion (M+) chelang moiety; • a metal (M+) salt, preferably a lithium (Li+) salt; • clay mineral parcles; • oponally, an ionically conducve compound; and • a solvent comprising water, and preferably one or more alcohols; - curing the curable composion, thereby obtaining the solid electrolyte; and, - oponally, drying the solid electrolyte.
Resumen de: WO2026027740A1
The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, a solid-state battery, and a method for producing the same. An aspect of the present disclosure relates to a process for producing a solid electrolyte, comprising the steps of: - contacting, in the presence of a catalyst: - a polymer precursor compound comprising polyethylene glycol (PEG) and/or polytetrahydrofuran (PTHF), wherein the polymer precursor compound comprises on average per polymer precursor molecule, -at least 2.0 alkoxysilyl functional groups, with a functionality of at least 2.0, preferably at least 2.5, preferably at least 3.0; and/or -at least 1.0 alkoxysilyl functional groups, with a functionality of at least 3.0; - optionally, an organo-tri-alkoxy silane, an organo-tetra-alkoxy silane, and/or a mixture thereof comprising a metal ion (M+) chelating moiety being a cyanurate, a crown ether, an aza-crown ether, a thia-crown ether, a cryptand, a carbamate, a cyano group, a thiocyanate group, or a metallacrown,, - a metal (M+) salt, preferably does the metal salt comprises Li+, Na+, Mg+, Ca+, Al+, and/or a combination thereof, preferably lithium (Li+); - a solvent, preferably an organic solvent; and, - optionally, an ionically conductive compound; thereby obtaining a solid electrolyte; - optionally, drying the obtained solid electrolyte.
Resumen de: WO2026027601A1
The present invention relates to an in-operando and non-destructive testing system (10) for testing the aging of at least one electrochemical element of a battery, the in-operando and non-destructive testing system (10) comprising: - a cavity (30); - a source (24) configured to emit L-band electromagnetic waves toward the cavity (30), the cavity (30) comprising a cylindrical resonator (38) with a circular base and having at least one longitudinal cut-out (46, 48); - a detector (28) capable of detecting the waves originating from the cavity (30); and - a processor (34) capable of analyzing the waves detected by the detector (28) in order to obtain at least one item of information relating to the aging of the at least one electrochemical element.
Resumen de: WO2026027595A1
The present invention relates to an electrochemical element comprising: a negative electrode comprising at least particles comprising silicon; and a positive electrode comprising, as active material: i) at least one compound LixMn1.y.zFeyMzPO4 (I), wherein M is selected from among (B, Mg, AI, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, S, K, Pb, V, Mo, W, Hf, Bi, Se and mixtures thereof); with 0.8 ≤ x ≤ 1.2; 0.5 ≤ 1-y-z < 1; 0 < y ≤ 0.5; 0 ≤ z ≤ 0.2; ii) at least one compound Liw(NixMnyCozM't)O; (II), wherein M' is selected from among (AI, B, Mg, Si, Ca, Ti, V, Cr, Fe, Cu, Zn, Y, Zr, Nb, W, Mo, S, Sr, Ce, Ta, Ga, Nd, Pr, La and mixtures thereof); with 0.9 ≤ w ≤ 1.1; 0 < x; 0 ≤ y; 0 ≤ z; 0 ≤ t; wherein: a) the ratio (% Si/A) is such that: 0.7 ≤ (% Si/A) ≤ 4.0, (A) being the product of the content by weight of compound (I) in the positive active layer, expressed relative to the total weight of compounds (I) and (II), and the molar content of iron (%Fe) in compound (I), expressed relative to the molar content of iron and manganese in compound (I); and (%Si) being the content by weight of silicon in the active material of the negative active layer, expressed relative to the total weight of the active material of the negative active layer; and ≤ b) the ratio (N/P) between the first-charge capacity of the negative electrode and the first-charge capacity of the positive electrode is such that: 1.1 ≤ (N/P) ≤ 1.7.
Resumen de: WO2026027502A1
The present invention relates to an electrochemical element comprising: - a negative electrode comprising a negative active layer that comprises, as active material, at least one silicon-carbon composite, the negative active layer having a porosity ranging from 35% to 50%; - a positive electrode comprising a positive active layer that comprises, as active material: a) at least one lithium manganese iron phosphate compound of formula (I): LixMn1-y-.zFeyMzPO4 (I), wherein: M is selected from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, S, W, K, Pb, V, Mo, Hf, Bi, Se and any mixture thereof, 0.8 ≤ x ≤ 1.2; 0.5 ≤ 1-y-z < 1; 0 < y ≤ 0.5; 0 ≤ z ≤ 0.2; b) at least one lamellar oxide compound of formula (II): Liw(NixMnyCozM't)O2 (II), wherein: M' is selected from the group consisting of Al, B, Mg, Si, Ca, Ti, V, Cr, Fe, Cu, Zn, Y, Zr, Nb, W, Mo, S, Sr, Ce, Ta, Ga, Nd, Pr, La and any mixture thereof; 0.9 ≤ w ≤ 1.4; 0 < x; 0 ≤ y; 0 ≤ z; 0 ≤ t.
Resumen de: US20260036287A1
An optical device, such as a camera or spot light, having first and second removably engagable components. Disengagement of the components exposes a battery compartment in the second component. The first component can include all optical components of the optical device, such as a camera or light. A magnetic mount can provide a secure and adjustable mounting for the optical device housing on a support.
Resumen de: US20260038836A1
A non-aqueous secondary battery binder polymer including a first structural unit derived from a monomer (a1), a second structural unit derived from a monomer (a2), and a third structural unit derived from a monomer (a3), wherein the monomer (a1) is a non-ionic compound having only one ethylenically unsaturated bond, the monomer (a2) is a compound having a carboxy group and only one ethylenically unsaturated bond, and the monomer (a3) is a polyrotaxane including a cyclic molecule having a cyclic framework to which a group containing an ethylenically unsaturated bond is bonded and a chain molecule that passes through an openings of the cyclic molecule and has stopper groups at both ends.
Resumen de: US20260038809A1
A method of manufacturing a free-standing electrode film includes preparing a mixture including an electrode active material, a binder, and an additive solution or conductive paste, the additive solution or conductive paste being in an amount less than 5% by weight of the mixture and including a polymer additive and a liquid carrier, as well as a conductive material in the case of a conductive paste. The mixture may have total solid contents greater than 95% by weight. Preparing the mixture may include mixing the additive solution or conductive paste with the electrode active material to lubricate the electrode active material and subsequently adding and mixing in the binder. The method may further include subjecting the mixture to a shear force and, after the mixture has been subjected to the shear force, pressing the mixture into a free-standing film.
Resumen de: US20260038820A1
A main object of the present disclosure is to provide an electrode layer of which resistance increase due to charge and discharge is little. The present disclosure achieves the object by providing an electrode layer including an electrode active material including a Si element, and a binder including an unsaturated bond, wherein when the binder is dyed by Os dyeing and then an overlapping degree D of the Si element and the Os element is calculated based on an element mapping image obtained by a SEM-EDX measurement, the D is larger than 0.047.
Resumen de: US20260038816A1
An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10° C./min, is from 440° C. to 580° C.
Resumen de: US20260038812A1
An electrode is provided. The electrode includes an electrode material comprising a plurality of electrode active material particles. Each of the plurality of electrode active material particles includes a core, a first coating layer formed on a first surface of the core, a shell formed on a second surface of the first coating layer, and a second coating layer formed on a third surface of the shell. The core is formed of a lithium manganese iron phosphate material having the formula LiMnyFe1-yPO4, where 0<y<1. The first coating layer includes first carbon nanofibers. The shell includes LiFePO4. The second coating layer includes second carbon nanofibers.
Resumen de: US20260038874A1
Example embodiments include a solid electrolyte layer for an all-solid-state rechargeable battery, and an all-solid-state rechargeable battery including the solid electrolyte layer. The solid electrolyte layer for an all-solid-state rechargeable battery include a sulfide-based solid electrolyte, and a composite of a plasticizer that is solid at room temperature and liquid at greater than or equal to about 60° C. and a lithium salt, and a content of the composite is in a range of about 1 wt % to about 4 wt % based on 100 wt % of the solid electrolyte layer.
Resumen de: US20260038908A1
A secondary battery according to embodiments of the present invention includes an electrode assembly including cathodes and anodes repeatedly stacked, a case configured to accommodate the electrode assembly, and a positive temperature coefficient (PTC) heating sheet disposed between the case and the outermost surface of the electrode assembly. Accordingly, operation stability and output properties of the secondary battery may be improved.
Resumen de: US20260038899A1
The invention relates to a method for recycling rechargeable batteries, especially lithium rechargeable batteries and/or sodium rechargeable batteries containing a conducting salt dissolved in a conducting salt solvent, comprising the steps: (a) short-circuiting the rechargeable batteries until at least 75% of the galvanic elements have a regeneration cell voltage of at most 0.3 volts, particularly at most 0.2 volts, and (b) subsequently comminuting the rechargeable batteries, thereby obtaining comminuted material.
Resumen de: US20260038892A1
The present disclosure provides a battery. The battery includes a case formed of a conductive material, a sensing member attached to one surface of the case and including a conductor formed of a conductive material and a dielectric having at least a part thereof disposed between the case and the conductor, and a monitoring circuit electrically connected to the conductor and the case, wherein the monitoring circuit may monitor whether the battery is deformed based on an amount of change in a capacitance formed between the conductor and the one surface of the case.
Resumen de: US20260038865A1
An electrode supply device, an electrode assembly manufacturing apparatus using the same. The electrode supply device includes: a magazine part; an electrode pick-up part; and an air supply part. An electrode supply method, and an electrode assembly manufacturing method using the same. The electrode supply method includes: lowering a pressure on an upper surface of a first electrode, which is disposed at an uppermost side among a plurality of electrodes stacked in a magazine part, and also lowering a pressure on a lower surface of a second electrode adjoining the first electrode; and picking up the first electrode to transfer and supply the first electrode to a stack table. The lowering of the pressure on the upper surface of the first electrode and on the lower surface of the second electrode includes injecting air toward the upper surface of the first electrode and the lower surface of the second electrode.
Resumen de: US20260038872A1
In one aspect, the present invention provides a solid-state electrolyte material. The solid-state electrolyte material comprises a composition of Formula (XX), (XX-A), (XX-B), (XX-C), (I), (Ia), and/or (Ib), as described herein. Another aspect provides a method of making a green body. A further aspect provides a method of making a sintered solid-state electrolyte material.
Nº publicación: US20260036370A1 05/02/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260036370A1
An apparatus for manufacturing an electrode plate of a secondary battery includes: a coating unit configured to coat an electrode material onto a substrate to form an electrode plate; a roll pressing unit configured to compress the electrode plate; and a drying unit configured to dry the electrode plate. The drying unit includes a dryer configured to selectively apply heat from a heat source and/or heat of hot wind to dry the electrode plate.
BOPI
Sede Electrónica
