Alerta

LITHIUM-SULFUR BATTERIES WITH PRELITHIATED CATHODES

Resumen de: US2025309235A1

The present disclosure provides a battery including a lithium, silicon or carbonaceous materials anode; a sulfur or composite sulfur material cathode prelithiated with a printable lithium composition comprised of lithium metal powder, a polymer binder compatible with the lithium metal powder, and a rheology modifier compatible with the lithium metal powder; an electrolyte; and an optional lithium modulating composition.

MODIFIED LITHIUM MANGANESE IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD AND APPLICATION THEREOF

Resumen de: US2025309274A1

The application provides a modified lithium manganese iron phosphate positive electrode material, and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a manganese source, an iron source and a doped metal source with a solvent to obtain solution A; (2) adding a phosphorus source, an ammonia source and hydrogen peroxide to solution A to obtain solution B; (3) mixing solution B and a lithium source for grinding, and carrying out heat treatment to obtain a lithium manganese iron phosphate powder; (4) mixing the lithium source and an M source with a solvent to obtain a fast ion conductor solution, mixing the fast ion conductor solution and the lithium manganese iron phosphate powder, grinding, and sintering to obtain the modified lithium manganese iron phosphate positive electrode material. The application provides a preparation method for an LMFP positive electrode material with dual modification treatment of ion doping and fast ion conductor coating, and the rate capability and the cycle performance of the LMFP electrode material are synergistically improved.

ALL-SOLID-STATE BATTERY

Resumen de: US2025309505A1

An all-solid-state battery according to one embodiment of the present invention includes an electrode laminate comprising, in the following order, a positive electrode charge-collecting foil, a positive electrode layer, a solid-state electrolyte layer, a negative electrode layer, and a negative electrode charge-collecting foil. An edge of the positive electrode layer is located inward of edges of the solid-state electrolyte layer and the negative electrode layer. The positive electrode charge-collecting foil has a positive electrode charge-collecting foil extension that is coupled to a positive electrode tab. The negative electrode charge-collecting foil has a negative electrode charge-collecting foil extension that is coupled to a negative electrode tab. An insulating frame is disposed at an outer edge of the positive electrode layer.

ELECTROCHEMICAL APPARATUS, ELECTRIC DEVICE, AND METHOD FOR MANUFACTURING SUCH ELECTROCHEMICAL APPARATUS

Resumen de: US2025309496A1

An electrochemical apparatus includes a soft package film, an electrode assembly, a first tab, and a first protective member. The electrode assembly is accommodated within the soft package film, and the electrode assembly includes an electrode body and a plurality of first extension portions. One end of each of the plurality of first extension portions is connected to the electrode body, the plurality of first extension portions are sequentially stacked along a first direction, the other ends of the plurality of first extension portions are stacked on the first protective member, and the other ends of the plurality of first extension portions and the first protective member are welded to form a first adapting portion. One end of the first tab is welded to the first adapting portion, and another end of the first tab extends out of the soft package film.

BATTERY PACK

Resumen de: US2025309463A1

The present disclosure is a battery pack, including a lower housing, a battery cell stack, a first foaming adhesive, and multiple isolation structures; the battery cell stack is disposed in the lower housing, including multiple stacked pouch cells, the bottom side of the battery cell stack is connected and fixed to the baseplate of the lower housing, a first partial area between the tab side of the battery cell stack and the lower housing forms an adhesive filling area, and a second partial area forms an exhaust area; a first foaming adhesive is filled in the adhesive filling area; multiple isolation structures are arranged in the exhaust area along the stacking direction of the pouch cells and in one-to-one correspondence with the multiple pouch cells, the isolation structures are adaptable for melting to form exhaust channels connected to the exhaust portions of the corresponding pouch cells when the corresponding pouch cells exhaust smoke.

BATTERY BOX AND BATTERY PACK

Resumen de: US2025309461A1

Provided are a battery box and a battery pack. The battery box includes a box body, a bottom guard plate, a bracket, and a suction disc. The box body is provided with an accommodation cavity. One side of the box body along the first direction is provided with an opening communicating with the accommodation cavity. The bottom guard plate is detachably connected to the opening. The bracket is mounted on the cavity wall of the accommodation cavity. The bracket and the bottom guard plate are spaced apart to form a pressure relief channel. The pressure relief channel is configured to relieve a thermal runaway gas of a cell assembly on the bracket. One side of the bracket facing the bottom guard plate is provided with the suction disc. The suction disc abuts against the bottom guard plate.

VEHICLE BATTERY HOUSING WITH INTEGRATED SIDE FRAME

Resumen de: US2025309431A1

An energy storage system includes a vehicle and a battery pack disposed within the vehicle. The battery pack includes a number of battery cells and a housing surrounding the battery cells. The housing includes an upper housing cover, a lower housing cover, an end plate, and a side frame coupled to the upper housing cover by an upper sealing flange of the side frame, and coupled to the lower housing cover by a lower sealing flange of the side frame. A majority of the volume of the end plate fits within a recess of the side frame, such that a majority of the volume of the side frame, upper sealing flange, lower sealing flange, and end plate is stacked vertically.

SYSTEMS FOR AND METHODS OF COOLING A BATTERY

Resumen de: US2025309408A1

A battery cooling architecture or assembly includes a cooling volume that surrounds a full perimeter of the battery cell structure, with a uniform flow distribution for all of the cells. This cooling volume can be placed at any position along the cell axial length. The cooling volume can directly cool a selected portion of the cell axial length and, in an alternative embodiment, is able to indirectly cool a larger axial length of the cell with the aid of added sleeves.

POWER STORAGE MODULE

Resumen de: US2025309396A1

A power storage module which includes a plurality of batteries connected in series and is capable of controlling operation of a heater on the basis of a battery with the lowest battery temperature is provided. The power storage module includes a first battery and a second battery connected in series, the heater, and a control circuit; the heater is provided close to the first battery and the second battery and is electrically connected to an IC included in the control circuit; the control circuit includes a first voltage sensor that senses a voltage of the first battery, a second voltage sensor that senses a voltage of the second battery, and a current sensor that senses a current flowing through the first battery and the second battery; and in charging the first battery and the second battery, the heater is turned on by a signal from the IC in the case where a differential voltage between a first peak voltage of dQ/dV calculated from a detection value of each of the first voltage sensor and the current sensor and a second peak voltage of dQ/dV calculated from a detection value of each of the second voltage sensor and the current sensor is higher than or equal to 5 mV.

SUSTAINABLE, MECHANICALLY RECHARGEABLE, MOLDABLE, AND SPRAYABLE HYDROGEL BATTERY

Resumen de: US2025309366A1

A battery with an anode, a cathode, and an electrolyte. The electrolyte may be disposed between the anode and the cathode. The electrolyte may comprise sodium chloride, water, polyvinyl alcohol, and borax. The anode, the cathode, and the electrolyte may be disposed within a housing. The battery is configured to recharge in response to external mechanical force applied to the battery. A method of recharging the battery may comprise providing the battery with a reduced charge and applying an external mechanical force to the battery such that the electrolyte is physically manipulated. Physically manipulating the electrolyte increases the electric potential between the anode and the cathode to recharge the battery.

Electric vehicle (EV) fast charge station and system

Resumen de: AU2025230821A1

22069301_1 (GHMatters) P124513.AU.1 An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to include one or more energy storage devices comprising multiple electric reservoir modules. An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to include one or more energy storage devices comprising multiple electric reservoir modules. 22069301_1 (GHMatters) P124513.AU.1 ep e p n e l e c t r i c v e h i c l e ( ) c h a r g i n g s t a t i o n f o r f a s t c h a r g i n g ( e g t o m i n u t e s ) a n e l e c t r i c v e h i c l e ( ) h e c h a r g i n g s t a t i o n c a n b e c o n f i g u r e d t o i n c l u d e o n e o r m o r e e n e r g y s t o r a g e d e v i c e s c o m p r i s i n g m u l t i p l e e l e c t r i c r e s e r v o i r m o d u l e s _ ( a t t e r s )

System, container, and method for containerized energy delivery

Resumen de: AU2025201875A1

Containerized energy storage is provided. A container may include a power conversion system in a power conversion zone along a first face of the container, the power conversion system configured to convert an AC input power signal to a DC output power signal and to an AC output power signal. The container may include a cooling system comprising a heat exchanger in a heat exchange zone along a second face of the container, the second face opposite from the first face, the heat exchanger configured to exchange heat between (i) a plurality of components of the energy storage system positioned within the container in an energy storage zone positioned between the heat exchange zone and the power conversion zone, and (ii) an environment exterior to the container. Containerized energy storage is provided. A container may include a power conversion system in a power conversion zone along a first face of the container, the power conversion system configured to convert an AC input power signal to a DC output power signal and to an AC output power signal. The container may include a cooling system comprising a heat exchanger in a heat exchange zone along a second face of the container, the second face opposite from the first face, the heat exchanger configured to exchange heat between (i) a plurality of components of the energy storage system positioned within the container in an energy storage zone positioned between the heat exchange zone and the power conversion zone, and (ii) an env

RECHARGEABLE BATTERY KIOSK FOR LIGHT ELECTRIC VEHICLES

Resumen de: AU2025226834A1

15799083.000199.WO00 US_Active\118630695\V-1 This disclosure generally relates to a battery kiosk that houses and distributes rechargeable batteries for light electric vehicles. The battery kiosk includes various visual indicators that are activated based on the individual’s progress with a rechargeable battery exchange process. 15799083.000199.WO00 This disclosure generally relates to a battery kiosk that houses and distributes rechargeable batteries for light electric vehicles. The battery kiosk includes various visual indicators that are activated based on the individual's progress with a rechargeable battery exchange process. US_Active\118630695\V-1 ep h i s d i s c l o s u r e g e n e r a l l y r e l a t e s t o a b a t t e r y k i o s k t h a t h o u s e s a n d d i s t r i b u t e s e p r e c h a r g e a b l e b a t t e r i e s f o r l i g h t e l e c t r i c v e h i c l e s h e b a t t e r y k i o s k i n c l u d e s v a r i o u s v i s u a l i n d i c a t o r s t h a t a r e a c t i v a t e d b a s e d o n t h e i n d i v i d u a l ' s p r o g r e s s w i t h a r e c h a r g e a b l e b a t t e r y e x c h a n g e p r o c e s s _ c t i v e \ \ -

POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US2025309273A1

A positive electrode plate includes a positive electrode film layer. The positive electrode film layer includes positive active particles, a conductive agent, a binder, and polymer resin particles. A surface coverage A% of the positive active particles satisfies: 55≤A≤65. A drop melting point of the polymer resin particles is 110° C. to 135° C. According to this application, by adding the polymer resin particles of a specified drop melting point into the positive electrode film layer, the polymer resin particles can melt in a high-temperature environment to coat the surface of the positive active particles to form a protection layer, thereby preventing direct contact between an active site on the surface of the positive active particles and an electrolyte solution, suppressing oxidative decomposition of the electrolyte solution, and in turn, improving the thermal safety performance of the battery.

Secondary Battery

Resumen de: US2025309270A1

A secondary battery has a power generating element including a positive electrode having a positive electrode active material layer disposed on a positive electrode current collector. The positive electrode active material layer comprises a first layer in contact with a solid electrolyte layer and containing a positive electrode active material, a solid electrolyte and a binder, and a second layer in contact with the positive electrode current collector and containing a positive electrode active material and a binder. The solid electrolyte in the first layer is 1% by mass or more with respect to 100% by mass of a total solid content contained in the first layer, and the solid electrolyte in the second layer is 0% by mass, or is more than 0% by mass or less than 1% by mass with respect to 100% by mass of a total solid content contained in the second layer.

RECYCLED ALUMINUM ALLOYS FOR USE IN CURRENT COLLECTORS IN LITHIUM-ION BATTERIES

Resumen de: US2025309275A1

Described are battery components including a current collector and a coating layer disposed over at least a portion of a surface of the current collector. The current collector can include a recycled content aluminum alloy. In some examples, the current collector can include from 50% to 100% recycled aluminum content. The recycled content aluminum alloy may be, for example, a 3xxx series aluminum alloy or a 5xxx series aluminum alloy.

NEGATIVE ELECTRODE PLATE, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Resumen de: US2025309272A1

A negative active material layer of the negative electrode plate includes a negative active material and a functional material. The functional material is distributed between particles of the negative active material. The functional material includes a conductive carbon fiber tube and a linear binder adsorbed on the surface of the conductive carbon fiber tube. The length of the conductive carbon fiber tube is L1, and L1 satisfies: 2 μm≤L1≤50 μm. Three points on the same conductive carbon fiber tube along the length direction of the conductive carbon fiber tube are consecutively selected and connected into a polyline to form a first angle α at a middle point of the three points as a vertex, satisfying: 30°≤α≤180°.

SILICON-CARBON ELECTRODE MATERIAL

Resumen de: US2025309266A1

According to one aspect of the disclosure, a lithium-ion battery component is presented. The lithium-ion battery component has an electrode with a current collector, and a silicon-based active layer adhered thereon. The silicon-based active layer includes coated silicon beads connected by carbon chains to form fiberized conductive silicon-carbon necklaces that are configured to confine the silicon beads via the carbon chains during volume expansion and contraction of the electrode during charge cycling.

BATTERY CELL, MANUFACTURING METHOD THEREFOR, BATTERY, AND POWER CONSUMING APPARATUS

Resumen de: US2025309497A1

A battery cell, a manufacturing method thereof, a battery, and a power-consuming apparatus are provided. The battery cell includes an electrode plate and an adapter component. The electrode plate comprises a current collector and a tab assembly. The tab assembly includes multiple tabs and connecting members, with the tabs stacked in a first direction and each having a through hole. The connecting members are disposed on one side of the tabs and have a lower tensile strength than the current collector. The adapter component is connected to the connecting members via the through holes. This structure improves connection reliability between the adapter and the tabs, reduces the risk of cracking in the tab assembly, and enhances battery manufacturing yield.

TERMINAL-POST ASSEMBLY, ENERGY-STORAGE APPARATUS, AND ELECTRICITY CONSUMPTION DEVICE

Resumen de: US2025309499A1

A terminal-post assembly, an energy-storage apparatus, and an electricity-consumption device are disclosed in the present disclosure. The terminal-post assembly includes a first terminal-post and a first flange connected to one end of the first terminal-post. The first terminal-post includes a first member and a second member stacked with and connected to the first member, and the second member is connected to the first flange. A material of the first member is different from a material of the second member, and a connection interface between the first member and the second member is a curved surface. The first terminal-post is configured to connect to an electrode assembly in an energy-storage apparatus, and the first flange is configured to connect to a first busbar.

BATTERY

Resumen de: US2025309494A1

Disclosed is a battery, which is a high-safety battery with excellent high-temperature performance at high voltage. High-temperature cycling performance of a prepared battery can be improved effectively by adjusting and controlling a ratio of an area of a positive electrode welding region to a content of a cyano compound and a ratio of the area of the positive electrode welding region to a width of a positive tab, so that a metal conductor and a tab tape of the tab are more resistant to high temperature and high voltage, and an adhesive layer is stabilized. In addition, liquid leakage can be prevented, and safety performance of battery cell under conditions such as dropping of an entire battery cell and high furnace temperature can be improved.

CONNECTING MEMBER, CELL MODULE, AND ENERGY STORAGE BATTERY PACK

Resumen de: US2025309480A1

A connecting member is provided, including a body portion having first and second sides and extending from a first end to a second end of the body portion in a first direction, first and second bending portions, and first and second connecting portions. The first bending portion is bent from the first end towards a second direction on the first side, and the second bending portion is bent from the second end towards the second direction on the second side. The first connecting portion is bent from an end of the first bending portion away from the body portion towards a third direction that is from the second side to the first side. The second connecting portion is bent from an end of the second bending portion away from the body portion towards a fourth direction that is from the first side to the second side.

BATTERY PACK AND ELECTRICAL APPARATUS

Resumen de: US2025309490A1

Disclosed is a battery pack, including a cell contact system, CCS, assembly; a battery box, in which the CCS assembly is mounted and fixed in the battery box; and a sealant component, in which the sealant component is provided between the battery box and the CCS assembly, and the sealant component is extended along a peripheral direction of the CCS assembly to seal an assembly clearance between the CCS assembly and the battery box.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS

Resumen de: US2025309365A1

An electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate includes a positive electrode current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The negative electrode plate includes a negative electrode current collector, a first negative electrode active material layer, and a second negative electrode active material layer. The electrode assembly includes a flat region and a bent region. The negative electrode plate includes a first bent section and a second bent section. The positive electrode plate includes a third bent section. The first bent section, the third bent section, and the second bent section are sequentially disposed away from a winding center.

GAS MITIGATION FOR BATTERY SYSTEMS

Nº publicación: US2025309385A1 02/10/2025

Solicitante:

FORD GLOBAL TECH LLC [US]
FORD GLOBAL TECHNOLOGIES, LLC

Resumen de: US2025309385A1

This disclosure relates to systems for hydrogen sulfide mitigation. A battery cell or plurality of battery cells in a battery pack with a solid electrolyte sandwiched between an anode and a cathode are presented. A coating is applied to an interior surface of the sulfur-containing lithium-based rechargeable battery cell. The coating is configured to precipitate hydrogen sulfide gas responsive to moisture ingress in the cathode and exude sulfur dioxide and water external to the sulfur-containing lithium-based rechargeable battery cell.