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Almacenamiento en baterías

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PACKAGING DEVICE AND PACKAGING METHOD

NºPublicación:  US20260097874A1 09/04/2026
Solicitante: 
EVE POWER CO LTD [CN]
US_20260097874_A1

Resumen de: US20260097874A1

The present disclosure provides a packaging device and a packaging method. The packaging device includes a conveying mechanism, a packaging mechanism and a guide mechanism. The conveying mechanism is configured to convey a battery in a first direction; the packaging mechanism comprises a driving assembly, two supports arranged at an interval and two pressing members arranged in parallel, and the supports are connected to the driving assembly; and the packaging mechanism is mounted on the guide mechanism.

CELL, BATTERY, AND ELECTRIC DEVICE

NºPublicación:  US20260100483A1 09/04/2026
Solicitante: 
NINGDE AMPEREX TECH LIMITED [CN]
US_20260100483_A1

Resumen de: US20260100483A1

0000 A cell includes an electrode assembly and an electrode terminal. The electrode assembly includes a top and a bottom. The electrode terminal is configured to connect to the top. The electrode assembly is formed by winding or stacking, and the electrode assembly includes N layers of separators, N being a natural number greater than or equal to 3. Each layer of separator includes a first extension portion extending out of the bottom along the first direction. The N layers of first extension portions are arranged along a second direction. Along the second direction, the first extension portion of the first layer to the first extension portion of the (N−1)-th layer are bent, with adjacent ones of the first extension portions connected. The separator includes a second extension portion extending out of the top. The second extension portion is configured to connect to the electrode terminal.

COMPOSITE CURRENT COLLECTOR AND ITS PREPARATION METHOD, ELECTRODE AND BATTERY

NºPublicación:  US20260100382A1 09/04/2026
Solicitante: 
REPT BATTERO ENERGY CO LTD [CN]
SHANGHAI RUIPU ENERGY CO LTD [CN]
US_20260100382_A1

Resumen de: US20260100382A1

The present invention relates to a composite current collector and its preparation method, electrodes, and batteries. The composite current collector includes an insulating substrate, a first metal layer set on both surfaces of the thickness direction of the insulating substrate, and a second metal layer set on the surface away from the insulating substrate on the first metal layer. Multiple colloidal particles are attached to the surface of the first metal layer away from the insulating substrate, with the colloidal particles evenly distributed. The second metal layer is set on the first metal layer, and the second metal layer encapsulates the evenly distributed colloidal particles. By setting the composite current collector with specific structures of the colloidal particles, it overcomes the issues of low electrode peel strength and capacity drop in long cycle batteries, significantly enhancing the stability of long cycle battery electrodes.

SECONDARY BATTERY

NºPublicación:  US20260100488A1 09/04/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
US_20260100488_A1

Resumen de: US20260100488A1

0000 A secondary battery, according to embodiments of the present disclosure, exhibits a reduced decrease in capacity by slimming a current collecting structure. By reducing the space occupied by the current collecting structure in the longitudinal direction of an electrode assembly, the size of the electrode assembly may be increased.

Unit Cell and Battery Cell Including the Same

NºPublicación:  US20260100470A1 09/04/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
US_20260100470_A1

Resumen de: US20260100470A1

0000 A unit includes an electrode positioned between a first separator and a second separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the first separator and the second separator. The first adhesive composition has a degree of dispersion in an electrolyte that is larger than a degree of dispersion of the second adhesive composition in the electrolyte.

Cathode with Layers of Anode Reductant and Solid-Electrolyte Interphase

NºPublicación:  US20260100349A1 09/04/2026
Solicitante: 
ZETA ENERGY LLC [US]
US_20260100349_A1

Resumen de: US20260100349A1

0000 Described is a lithium-sulfur electrochemical cell in which the anode and the cathode are each equipped with a respective solid-electrolyte interphase (SEI) layer that inhibits lithium side reactions. On the cathode side, the SEI layer inhibits the shuttle effect by retaining soluble polysulfides within a cathode active layer while releasing and admitting lithium ions to and from the electrolyte. The cathode SEI is deposited, during cell formation, by depositing a layer of an anode reductant (e.g., metallic lithium) on the surface of the cathode. The resultant electrically conductive layer allows electrons to reduce adjacent electrolyte and form the cathode SEI from electrolyte decomposition products.

IONIC CYCLIC NITROXYL RADICAL OLIGOMERS

NºPublicación:  US20260100415A1 09/04/2026
Solicitante: 
WISCONSIN ALUMNI RES FOUNDATION [US]
US_20260100415_A1

Resumen de: US20260100415A1

Ionic cyclic nitroxyl radical oligomers, methods of making the ionic cyclic nitroxyl radical oligomers, and electrochemical cells, such as aqueous organic redox flow batteries (AORFBs) that use the ionic nitroxyl radical oligomers as catholytes are provided. The oligomers are larger than individual cyclic nitroxyl radical molecules, but maintain a high density nitroxyl radical groups within the molecule. As a result, when the oligomers are used as catholytes in an AORFB, they are able to reduce catholyte permeation through the ion-conducting membrane, while providing a high volumetric capacity and cycling stability.

PARTITION MEMBER

NºPublicación:  US20260100450A1 09/04/2026
Solicitante: 
SUMITOMO RIKO COMPANY LTD [JP]
TOYOTA JIDOSHA KK [JP]
US_20260100450_A1

Resumen de: US20260100450A1

0000 The present disclosure provides a partition member that can suppress a reduction in heat-insulating properties. A partition member (1) is interposed between any pair of cells (92) adjacent to each other in a stacking direction in a stack (91) of multiple cells (92). The partition member (1) includes: a heat-insulating layer (2); a spacer layer (5, 5a ) interposed between the heat-insulating layer (2) and the cell (92) and made of a material different from that of the heat-insulating layer (2); and a permeation-suppressing layer (6, 6a ) interposed between the heat-insulating layer (2) and the spacer layer (5, 5a ) and configured to suppress permeation of the material of the spacer layer (5, 5a ) into the heat-insulating layer (2).

HIGH-VOLTAGE BOX, BATTERY CLUSTER, AND ENERGY STORAGE SYSTEM

NºPublicación:  AU2025204034A1 09/04/2026
Solicitante: 
EVE ENERGY STORAGE CO LTD
AU_2025204034_A1

Resumen de: AU2025204034A1

high-voltage box 111 main control module 101 Bat P voltage Bat N acquisition module P+ KA1 B+FU1 Hall B- Main positive fuse Resistance under aging or abnormal R2 conditions High-voltage measurement V ay a y a t m o d u l e + + c o n d i t i o n s m e a s u r e m e n t Main positive fuse Resistance under aging or abnormal R2 conditions Current measurement + AResistance R3 high-voltage box 111 Imain control module 101 Bat P voltage Bat N acquisition module P+ KA1 M B+FU1 Hall B- P- KA2 FU2 RW N ay a y u r r e n t m e a s u r e m e n t + a t a t m o d u l e + + - busbar cabinet high- 100 high- SBMU voltage box 1 SBMU voltage box n battery pack1 battery pack 1 battery pack 2 battery pack 2 : : battery pack n battery pack n ay a y b u s b a r c a b i n e t

COATING MATERIAL FOR ELECTRODES

NºPublicación:  US20260100379A1 09/04/2026
Solicitante: 
BASQUEVOLT S A [ES]
US_20260100379_A1

Resumen de: US20260100379A1

0000 Methods for coating electrodes, particularly anodes, more particularly lithium anodes in batteries. The coating material obtained by the methods, involves the ring-opening polymerization of dioxolane (DOL) monomers in presence of suitable polymerization initiators, crosslinkers and optional further additives. The so-obtained coating material displays advantageous features such as fast lithium ions diffusion and high conductivity, high elastic modulus blocking dendrite formation, high flexibility, scalability, controllable thickness of the coating material and homogeneity on the anode surface. The corresponding electrochemical cells and/or batteries comprising the coating material, are characterized by improved stability during the cell/battery cycling.

BATTERY STATE OF CHARGE ESTIMATION USING VIRTUAL CELL MODELING

NºPublicación:  US20260098903A1 09/04/2026
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
US_20260098903_A1

Resumen de: US20260098903A1

0000 A method for determining a state of charge (SOC) of a battery may include determining a measured physical battery current flowing through the battery. The method further may include determining an estimated physical battery current using a physical battery cell model. The physical battery cell model is an equivalent circuit model of a first battery cell. The method further may include determining an estimated SOC of the battery based at least in part on the measured physical battery current and the estimated physical battery current using a virtual battery cell model. The virtual battery cell model is an equivalent circuit model of a second battery cell. The second battery cell is a computer-simulated electrochemical battery cell modeled in series with the physical battery cell model. The method further may include determining the SOC of the battery based at least in part on the estimated SOC of the battery.

BATTERY MANAGEMENT SYSTEM AND METHOD FOR EXTENDING BATTERY LIFETIME

NºPublicación:  US20260098907A1 09/04/2026
Solicitante: 
TALENT INNOVATIVE CIRCULAR ENERGY TECH CO LTD [TW]
US_20260098907_A1

Resumen de: US20260098907A1

A battery management system and method for extending battery lifetime is provided. In a test mode, the battery management system controls a charging frequency of a battery cell according to a plurality of pulse wave modulation signals respectively within a plurality of time intervals. The battery management system monitors impedances of the battery cell respectively within the plurality of time intervals or a plurality of capacitance ranges. The battery management system compares the impedances with each other to select one of the impedances, and sets a frequency of the pulse wave modulation signal that is outputted for controlling the charging frequency of the battery cell such that the battery cell has the selected impedance, as a practical frequency in a practical use mode. As a result, an increase in the impedance of the battery cell is delayed so as to extend lifetime of the battery cell.

NON-AQUEOUS ELECTROLYTE, SECONDARY BATTERY AND ELECTRICAL APPARATUS

NºPublicación:  US20260100418A1 09/04/2026
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
US_20260100418_A1

Resumen de: US20260100418A1

The present application relates to the technical field of batteries, and to a non-aqueous electrolyte, a secondary battery and an electrical apparatus. The non-aqueous electrolyte comprises a cyclic sulfate additive and a phosphate or isocyanate additive. The present application further relates to a secondary battery comprising the non-aqueous electrolyte, and an electrical apparatus comprising the secondary battery.

METHODS OF FORMING ELECTROCHEMICAL CELLS

NºPublicación:  US20260100406A1 09/04/2026
Solicitante: 
ENEVATE CORP [US]
US_20260100406_A1

Resumen de: US20260100406A1

Methods of forming electrochemical cells are described. In some embodiments, the method can include providing an electrochemical cell having an electrode with at least about 20% to about 99% by weight of silicon. The method can include providing a formation charge current at greater than about 1C to the electrochemical cell. Alternatively or additionally, the method can include providing a formation charge current at a substantially constant charge voltage to the electrochemical cell.

ADDITIVE FOR IRON-AIR BATTERIES

NºPublicación:  AU2024365581A1 09/04/2026
Solicitante: 
FORM ENERGY INC
AU_2024365581_PA

Resumen de: AU2024365581A1

An alkaline electrolyte including: an alkaline solution having a total hydroxide concentration of greater than 1 molar, based on a total volume of the alkaline electrolyte; and an additive including a trivalent element, wherein a concentration of the trivalent element is 1 millimolar to 5 molar, based on a total volume of the alkaline electrolyte, sulfur, and tin.

BATTERY SYSTEM AND INSULATOR FOR A BATTERY SYSTEM

NºPublicación:  AU2024371298A1 09/04/2026
Solicitante: 
TEREX SOUTH DAKOTA INC
AU_2024371298_PA

Resumen de: AU2024371298A1

A battery system includes multiple battery cells each having a cell vent configured to vent flames originating from the battery cell in the event of a thermal runaway condition of the battery cell, and an insulator disposed adjacent a first battery cell, wherein the insulator comprises a hinged element configured to align with the cell vent of the first battery cell. In a closed position, the hinged element provides insulation for the first battery cell, and in an open position, the hinged element provides a vent to enable flames venting from the cell vent of the first battery cell to escape from between the insulator and the first battery cell to thereby inhibit the flames venting from the cell vent of the first battery cell from reaching a second battery cell.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD FOR SAME AND LITHIUM SECONDARY BATTERY COMPRISING SAME

NºPublicación:  WO2026075388A1 09/04/2026
Solicitante: 
POSCO HOLDINGS INC [KR]
\uD3EC\uC2A4\uCF54\uD640\uB529\uC2A4 \uC8FC\uC2DD\uD68C\uC0AC
WO_2026075388_A1

Resumen de: WO2026075388A1

The present invention relates to a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a lithium metal oxide having a lithium-rich and manganese-rich composition; and a coating layer positioned on the surface of the lithium metal oxide and containing Mo (molybdenum) and Al (aluminum).

Lightweight High Temperature Battery

NºPublicación:  US20260100453A1 09/04/2026
Solicitante: 
WRIGHT ELECTRIC INC [US]
US_20260100453_A1

Resumen de: US20260100453A1

0000 A battery system has a casing forming an interior chamber. The casing is comprised of a polymer. The battery system has a chemically active material contained by the interior chamber. The polymer withstands heat generated by the chemically active material. The heat is a function of a melting point of the chemically active material.

SULFUR-CONTAINING MATERIAL, SULFUR-CONTAINING BATTERY MATERIAL, ELECTRODE, AND BATTERY

NºPublicación:  AU2024356549A1 09/04/2026
Solicitante: 
ADEKA CORP
AU_2024356549_A1

Resumen de: AU2024356549A1

Provided is a sulfur-containing material containing a sulfur-modified compound, wherein when photoelectron spectrum analysis of the S1s orbital of the sulfur-containing material is performed by hard X-ray photoelectron spectroscopy, the sulfur-containing material has a ratio (A/B) of 2.5-4.0 (2.5 ≤ A/B ≤ 4.0) between the peak intensity area (A) of a peak corresponding to an S-S bond and the peak intensity area (B) of a peak corresponding to a C-S bond which are confirmed by waveform separation of an S1s orbital peak.

FLAME ARRESTING IN ELECTROCHEMICAL ENERGY STORAGE MODULES

NºPublicación:  AU2024354975A1 09/04/2026
Solicitante: 
FORM ENERGY INC
AU_2024354975_PA

Resumen de: AU2024354975A1

According to one aspect, a method of flame arresting in an electrochemical energy storage module may include receiving one or more signals indicative of operation of a plurality of electrochemical cells; based on the one or more signals, determining an operating state of the plurality of electrochemical cells; and, according to a predetermined relationship between the operating state of the plurality of electrochemical cells and a flame risk in a shared vent in fluid communication with the plurality of electrochemical cells, controlling power to at least one fan to control movement of gas along the shared vent and toward an outlet region in fluid communication with the shared vent.

MODULAR REMOVABLE BATTERY SYSTEM AND METHOD FOR POWERING AN ELECTRIC WATERCRAFT

NºPublicación:  AU2024351198A1 09/04/2026
Solicitante: 
PARKO ENERGEIAS PAPANAKLIS M I K E
AU_2024351198_PA

Resumen de: AU2024351198A1

System for powering an electric watercraft comprising a removable modular battery comprising a plurality of removable rechargeable battery stacks. The battery stacks are arranged inside one or more battery frames in order to facilitate the removal of depleted and/or damaged battery stacks and their replacement with charged ones. Also provided is a method for powering an electric watercraft using the modular variable capacity electric power system disclosed herein. Said system and method are particularly suitable for watercrafts operating journeys consisting of one or more intermediate stops such as ferryboats.

POWER STORAGE ELEMENT

NºPublicación:  US20260100426A1 09/04/2026
Solicitante: 
TDK CORP [JP]
US_20260100426_A1

Resumen de: US20260100426A1

0000 A power storage element comprises a negative electrode that includes a first conductor having a first surface and a second surface opposite to the first surface; a first active material layer provided on the first surface of the first conductor and configured to contain a plurality of first negative-electrode active material particles; and a first layer containing an inorganic material and including a first part provided across two or more of the first negative-electrode active material particles exposed on an opposite side of the first conductor, and a second part penetrating between the first negative-electrode active material particles of the first active material layer from the first part.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, BATTERY CELL, AND ELECTRIC DEVICE

NºPublicación:  US20260097962A1 09/04/2026
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
US_20260097962_A1

Resumen de: US20260097962A1

0000 Provided are a positive electrode active material and a preparation method therefor, a battery cell, and an electric device. The positive electrode active material includes a lithium-containing phosphate, where an X-ray diffraction pattern of the positive electrode active material tested in a fully charged state satisfies: there is a (311) crystal plane peak in a range of 35° to 36° and a (011) crystal plane peak in a range of 20° to 21°, and the ratio of a peak intensity I<311 >of the (311) crystal plane peak to a peak intensity I<011 >of the (011) crystal plane peak satisfies I<311>/I<011>≥0.008. The positive active material can improve the cycle performance of a battery.

POSITIONING APPARATUS, BATTERY CELL MANUFACTURING DEVICE, AND INSULATOR POSITIONING METHOD

NºPublicación:  US20260100400A1 09/04/2026
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
US_20260100400_A1

Resumen de: US20260100400A1

A positioning apparatus includes a positioning platform and a positioning mechanism, where the positioning platform is configured to support the insulator, and the positioning mechanism is configured to abut against at least one edge of the insulator to position the insulator. The insulator is positioned by abutting the positioning mechanism against at least one edge of the insulator, improving the positioning accuracy.

NMTP@C MATERIAL DOPED WITH NITROGEN-DOPED GRAPHENE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Nº publicación: WO2026073469A1 09/04/2026

Solicitante:

GUANGZHOU MARITIME UNIV [CN]
\u5E7F\u5DDE\u822A\u6D77\u5B66\u9662

WO_2026073469_A1

Resumen de: WO2026073469A1

The present disclosure relates to an NMTP@C material doped with nitrogen-doped graphene, and a preparation method therefor and the use thereof. The material is composed of NMTP@C and nitrogen-doped graphene coated on the surface of the NMTP@C. The NMTP@C is a nanofiber composite material having a core-shell structure, with NMTP being a core and C being a shell. The preparation method comprises: S1, preparing nitrogen-doped graphene; S2, adding citric acid and the nitrogen-doped graphene obtained in step S1 to deionized water, continuously stirring same, and adding an MnC4H6O4•4H2O powder, an NaC2H3O2 powder and an NH4H2PO4 powder, so as to obtain a mixed solution; S3, adding an ethanol solution of C12H28O4Ti to the mixed solution obtained in step S2, and removing deionized water and ethanol, so as to obtain a gel precursor; S4, drying the gel precursor obtained in step S3; and S5, placing the gel precursor dried in step S4 in a protective atmosphere, and heating same, so as to obtain an NMTP@C material doped with nitrogen-doped graphene. Doping the outside of the NMTP@C with the nitrogen-doped graphene can inhibit the growth of NMTP crystals, and promotes the electrochemical performance of the NMTP@C material doped with nitrogen-doped graphene of the present disclosure.

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