Alerta

ELECTRICITY STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRICITY STORAGE DEVICE

Absstract of: WO2025143146A1

This electricity storage device comprises: an electrode body (14) in which a first electrode plate and a second electrode plate are wound with a separator interposed therebetween; and an exterior body (15) that accommodates the electrode body. The first electrode plate has a first core body and a first mixture layer formed on the surface of a first core body. First exposed portions where the first core body is exposed are disposed at one side end portion of the electrode body in the winding axis direction. Each first exposed portion has a folded portion obtained by folding back one or more times and folding so as to overlap. The folded portions are tilted in a first direction, and the folded portions of the adjacent circumferential portions of the first electrode plate overlap. A current collecting portion is formed at the one side end portion in the winding axis direction.

SYSTEMS AND METHODS FOR CONNECTION OF MODULAR AND SCALABLE BATTERY PACKS

Absstract of: AU2024278360A1

A battery system for a vehicle includes a number of battery packs that are arrangeable in the vehicle in a number of different configurations to optimize vehicle power and range. The system includes a junction box and cables that electrically couple the battery packs to the junction box. The cables extend between successive ones of the battery packs in a daisy chain arrangement. Thus, a common junction box with a maximum number of electrical connections can be utilized in the system with a selected number of batteries to provide a scalable and modular battery system. A battery system for a vehicle includes a number of battery packs that are arrangeable in the vehicle in a number of different configurations to optimize vehicle power and range. The system includes a junction box and cables that electrically couple the battery packs to the junction box. The cables extend between successive ones of the battery packs in a daisy chain arrangement. Thus, a common junction box with a maximum number of electrical connections can be utilized in the system with a selected number of batteries to provide a scalable and modular battery system. ec e c b a t t e r y s y s t e m f o r a v e h i c l e i n c l u d e s a n u m b e r o f b a t t e r y p a c k s t h a t a r e a r r a n g e a b l e i n t h e v e h i c l e i n a n u m b e r o f d i f f e r e n t c o n f i g u r a t i o n s t o o p t i m i z e v e h i c l e p o w e r a n d r a n g e h e s y s t e m i n c l u d e s a j u n c t i o n b

ELECTRICAL ENERGY STORAGE SYSTEMS WITH FLEXIBLE ELECTRICAL ARCHITECTURES

Absstract of: AU2024207975A1

Embodiments for configuring a battery system are described and may include a stack of commonly connected controller circuit boards configured to connect to any battery system to provide an expandable current/power capacity to meet flexible battery architectures. The controller circuit boards in the stack may be connected to each other. For example, multiple controller circuit boards may each include one or more commonly connected identical components. The common connections among the multiple controller circuit boards may enable the various components, e.g., switches, to be controlled together by common control signals from a processor. Embodiments related to battery systems with flexible connection architectures between adjacent sets of electrochemical cells are also disclosed. For example, multiple pairs of electrical terminals may be configured to be electrically connected to multiple electrical energy storage devices using a plurality of switches (e.g., FET switches) to provide a commanded configuration.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Absstract of: WO2025143011A1

A first electrode of a non-aqueous electrolyte secondary battery according to the present disclosure has a current collector and a mixture layer formed on the surface of the current collector. An exposed portion in which the current collector is exposed is formed on the surface of the first electrode. The exposed portion is in contact with only one end portion of both end portions in the lateral direction of the first electrode, and an electrode tab is connected to the exposed portion and led out from one end portion. The mixture layer contains an active material, granular carbon, and fibrous carbon. When the mixture layer is divided into a first mixture layer aligned with the exposed portion in the longitudinal direction of the first electrode and a second mixture layer adjacent to the exposed portion and the first mixture layer in the lateral direction of the first electrode, the first mixture layer contains granular carbon, and the second mixture layer contains fibrous carbon. The content of fibrous carbon in the first mixture layer is 0.1 mass % or less, and the content of the fibrous carbon in the second mixture layer is higher than the content of the fibrous carbon in the first mixture layer.

CYLINDRICAL LITHIUM-ION SECONDARY BATTERY

Absstract of: WO2025142954A1

The present invention provides a cylindrical lithium-ion secondary battery having a positive electrode plate that constitutes an electrode body. The positive electrode plate has a positive electrode mixture layer formed on the surface of a positive electrode core, a positive electrode tab bonded to an exposed surface formed on only one side, in the electrode plate transverse direction, of at least a part of the positive electrode plate in the electrode plate longitudinal direction, and an insulating tape applied to the positive electrode plate to cover the exposed surface. The positive electrode mixture layer includes a raised part with a maximum thickness that is 10% or more greater than the average thickness of the positive electrode core in the vicinity of a first exposed end of the exposed surface in the electrode plate longitudinal direction. The insulating tape covers the exposed surface and a portion of the raised part beyond a maximum thickness position M in the electrode plate longitudinal direction, the portion beyond the maximum thickness position going farther beyond the position where the thickness is less than 1.05 times the average thickness of the positive electrode mixture layer.

MIXTURE, SHEET, ELECTRODE, SEPARATOR, AND POWER STORAGE DEVICE

Absstract of: WO2025143134A1

The present invention provides: a mixture (10) with which it is possible to improve the diffusibility of a substance at the interface between an inorganic particle (19) and an electrolyte solution (22); a sheet (12); an electrode (16); a separator (15); and a power storage device (11). The electrolyte solution contains a first compound that is represented by chemical formula (1), a second compound that is represented by chemical formula (2) or chemical formula (3), and an electrolyte salt that is dissolved in the first compound and the second compound. In chemical formula (1), chemical formula (2), and chemical formula (3), R2 and R3 are different from each other, and R1, R2, and R3 each independently comprise an alkyl group having 4 or fewer carbon atoms, an alkoxyl group, an alkenyl group, an alkynyl group or a halogenated alkyl group, or alternatively comprise an alkyl group, an alkoxyl group, an alkenyl group, an alkynyl group or a halogenated alkyl group that are bonded to each other to form a ring structure. The molar fraction of the second compound with respect to the total of the first compound and the second compound is more than 0.2 but less than 0.5.

Electroporation device having a battery pack with power switch

Absstract of: AU2025204442A1

A handset of an electroporation device, the handset comprising a housing defining a volume therein. A circuit board is at least partially positioned within the volume. An electrode extends from the housing and is in electrical communication with the circuit board. The handset includes a battery pack including a battery pack housing, wherein an aperture is 5 formed in the battery pack housing. A plurality of battery cells is positioned within the battery pack housing. A first power lead is in electrical communication with the circuit board. A second power lead is coupled to the plurality of battery cells and is in electrical communication with the circuit board. A power switch is positioned within the battery pack housing, wherein the power switch is accessible from outside the battery pack housing 10 through the aperture and is adjustable between an ON state and an OFF state. An associated method is also disclosed. A handset of an electroporation device, the handset comprising a housing defining a volume therein. A circuit board is at least partially positioned within the volume. An electrode extends from the housing and is in electrical communication with the circuit board. The 5 handset includes a battery pack including a battery pack housing, wherein an aperture is formed in the battery pack housing. A plurality of battery cells is positioned within the battery pack housing. A first power lead is in electrical communication with the circuit board. A second power lead is co

THERMAL SENSOR SYSTEM

Absstract of: AU2024278551A1

A sensor system and method can use an elongated sensor that extends along or between multiple, different locations within a sensed system. The elongated sensor can generate an electrical short between conductors within the elongated sensor or change an attenuation of light propagating through the elongated sensor responsive to a change in temperature in one or more of the different locations exceeding a determined temperature value. A sensor system and method can use an elongated sensor that extends along or between multiple, different locations within a sensed system. The elongated sensor can generate an electrical short between conductors within the elongated sensor or change an attenuation of light propagating through the elongated sensor responsive to a change in temperature in one or more of the different locations exceeding a determined temperature value. ec s e n s o r s y s t e m a n d m e t h o d c a n u s e a n e l o n g a t e d s e n s o r t h a t e x t e n d s a l o n g o r b e t w e e n e c m u l t i p l e , d i f f e r e n t l o c a t i o n s w i t h i n a s e n s e d s y s t e m h e e l o n g a t e d s e n s o r c a n g e n e r a t e a n e l e c t r i c a l s h o r t b e t w e e n c o n d u c t o r s w i t h i n t h e e l o n g a t e d s e n s o r o r c h a n g e a n a t t e n u a t i o n o f l i g h t p r o p a g a t i n g t h r o u g h t h e e l o n g a t e d s e n s o r r e s p o n s i v e t o a c h a n g e i n t e m p e r a t u r e i n o n e o r m o r e o f

Electroporation device having a battery pack with power switch

Absstract of: AU2025204441A1

A handset of an electroporation device, the handset comprising a housing defining a volume therein. A circuit board is at least partially positioned within the volume. An electrode extends from the housing and is in electrical communication with the circuit board. The handset includes a battery pack including a battery pack housing, wherein an aperture is 5 formed in the battery pack housing. A plurality of battery cells is positioned within the battery pack housing. A first power lead is in electrical communication with the circuit board. A second power lead is coupled to the plurality of battery cells and is in electrical communication with the circuit board. A power switch is positioned within the battery pack housing, wherein the power switch is accessible from outside the battery pack housing 10 through the aperture and is adjustable between an ON state and an OFF state. An associated method is also disclosed. A handset of an electroporation device, the handset comprising a housing defining a volume therein. A circuit board is at least partially positioned within the volume. An electrode extends from the housing and is in electrical communication with the circuit board. The 5 handset includes a battery pack including a battery pack housing, wherein an aperture is formed in the battery pack housing. A plurality of battery cells is positioned within the battery pack housing. A first power lead is in electrical communication with the circuit board. A second power lead is co

POWER STORAGE DEVICE

Absstract of: WO2025142919A1

The present invention comprises: an electrode body (14) in which a first electrode (positive electrode (11)) and a second electrode (negative electrode (12)) are disposed with a separator (13) therebetween; and an exterior body (16) that accommodates the electrode body (14). The first electrode (positive electrode (11)) has a tip portion that extends beyond an end portion of the second electrode (negative electrode (12)) in a first direction. After bending, the tip portion is connected to a first current collector plate (upper current collector plate (19)). A plurality of openings are formed in the tip portion.

RESIN COMPOSITION, CARBON MATERIAL DISPERSION COMPOSITION, MIXTURE SLURRY, ELECTRODE FILM, SECONDARY BATTERY, AND VEHICLE

Absstract of: WO2025142668A1

Provided is a resin composition containing a copolymer (X) having an alkylene structural unit and a nitrile group-containing structural unit, and an alkali metal. The content of the alkali metal is not less than 50 ppm but less than 10,000 ppm. The resin composition has a resistivity of 5,000-25,000 Ω·cm when the content percentage of non-volatile components in the resin composition is set to 8 mass% by using N-methyl-2 pyrrolidone.

SECONDARY BATTERY

Absstract of: WO2025142628A1

This secondary battery is characterized by comprising: an electrode body in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) interposed therebetween; a negative electrode current collector plate (17) electrically connected to the negative electrode (12); and an electrolyte solution, the negative electrode (12) having a negative electrode core body (40) and negative electrode mixture layers (42) disposed on the negative electrode core body (40), a negative electrode core body exposed part (44) on which the negative electrode mixture layers (42) are not disposed being provided at one end of the negative electrode core body (40) in the winding axis direction of the electrode body, the negative electrode core body exposed part (44) being joined to the negative electrode current collector plate (17), a swellable resin layer (46) being provided on the negative electrode core body exposed part (44).

SECONDARY BATTERY

Absstract of: WO2025142651A1

The present invention is provided with a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. The positive electrode has a positive electrode current collector and a positive electrode mixture layer disposed on the surface of the positive electrode current collector. The positive electrode mixture layer contains a positive electrode active material and a positive electrode conductive agent. The positive electrode conductive agent contains carbon nanotubes. The carbon nanotubes contain single-walled carbon nanotubes. The density of the positive electrode mixture layer is 3.65 g/cm3 or more. The negative electrode has a negative electrode current collector and a negative electrode mixture layer disposed on the surface of the negative electrode current collector. The negative electrode mixture layer contains a silicon-containing material as a negative electrode active material, and the content ratio of the silicon-containing material in the negative electrode mixture layer is 5 mass% or more.

THERMALLY BALANCED BATTERY PACK AND BATTERY PACK ENERGY STORAGE SYSTEM

Absstract of: AU2023416987A1

The present invention relates to a thermally balanced battery pack and a battery pack energy storage system. The battery pack comprises a battery module, a front end plate, a rear end plate, a bottom plate, liquid cooling plates, and an upper cover; the front end plate is placed at the front end of the battery module; the rear end plate is placed at the rear end of the battery module; the bottom plate is located at the bottom end of the battery module; flow channels are provided in the liquid cooling plates; two liquid cooling plates are provided, are respectively provided on two sides of the battery module, and are used for removing heat from the battery module by means of a coolant; heat conduction pads are provided between the liquid cooling plates and the battery module; heat insulation pieces are provided on the outer sides of the liquid cooling plates; the battery module is connected to positive and negative electrode output ends by means of copper busbars; the copper busbars are mounted on the front end plate; and the front end plate, the rear end plate, the bottom plate, the liquid cooling plates, and the upper cover are fixed by means of fasteners into a cuboid-shaped frame structure enclosing the battery module. Compared with the prior art, the present invention has advantages of uniform temperature difference, good heat dissipation effect, simple structure, and the like.

BATTERY ELECTRIC LEAKAGE STATE IDENTIFICATION METHOD AND SYSTEM BASED ON SPATIAL DIFFERENCE

Absstract of: AU2023416243A1

A battery electric leakage state identification method and system based on a spatial difference. The method comprises: setting the time lengths of time periods, selecting a target time period, and setting a reference battery system of each battery system; acquiring an equalized electric quantity of each single battery cell in the battery system under an equalization strategy; and calculating a cumulative equalized electric quantity of the battery system within the target time period, acquiring a cumulative equalized electric quantity of the reference battery system within the target time period, and using a statistical method to identify an electric leakage state of the battery system on the basis of the cumulative equalized electric quantities of the battery system and the reference battery system within the target time period. In the method, on the basis of an association between an electric leakage state of a single battery and an equalized electric quantity of the single battery, cumulative equalized electric quantities of a battery system and a reference battery system thereof in a spatial dimension are researched to identify an electric leakage state of the battery system, such that the identification and forewarning of the electric leakage state of the battery system can be performed without being affected by equalization.

SODIUM ION BATTERY ELECTROLYTE, SODIUM ION BATTERY AND ELECTRICAL DEVICE

Absstract of: WO2025139164A1

A sodium ion battery electrolyte, a sodium ion battery and an electrical device. The sodium ion battery electrolyte comprises a sodium salt and a sulfonate compound, and the sulfonate compound comprises one or more of compounds represented by formula (I), formula (II) and formula (III), wherein R1, R5, R6, R9 and R10 are each selected from C1-C3 alkylene groups, and R2, R3, R4, R7, R8 and R11 are each selected from C1-C3 alkyl groups or C1-C3 fluoroalkyl groups. The sulfonate compound contains both a sulfonate group and a carbonate group in the molecules, and thus can be used as a film-forming additive to promote generation of a uniform and stable SEI film rich in sulfates and sulfites on the surface of an electrode, thereby improving the cycle performance and the rate capability of the sodium ion battery.

POSITIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Absstract of: WO2025142650A1

The present invention comprises a positive electrode, a negative electrode, a separator positioned between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode has a positive electrode current collector and a positive electrode mixture layer that is positioned on a surface of the positive electrode current collector, the positive electrode mixture layer includes a positive electrode active material and a positive electrode conductive agent, and the positive electrode conductive agent contains single-walled carbon nanotubes. The positive electrode active material contains a lithium metal composite oxide, and the atomic ratio of Ni among non-Li metal elements contained in the lithium metal composite oxide is 80% or more. The surface of the positive electrode active material is covered by a compound that contains at least one element selected from the group consisting of B, F, P, S, Cl, Mg, Sr, Ca, Ti, W, Zr, rare earths, and Al.

SECONDARY BATTERY

Absstract of: WO2025142566A1

This secondary battery is characterized in that: the secondary battery comprises an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) therebetween, a negative electrode current collector plate (17) electrically connected to the negative electrode (12), and an electrolyte solution; the negative electrode (12) includes a belt-like negative electrode core body and a negative electrode mixture layer disposed on the negative electrode core body; the electrode body (14) of the negative electrode core body includes, at one end in the winding axis direction thereof, a negative electrode core body exposed part (44) on which the negative electrode mixture layer is not disposed; the negative electrode core body exposed part (44) is joined to the negative electrode current collector plate (17); the positive electrode (11) includes a belt-like positive electrode core body and a positive electrode mixture layer disposed on the positive electrode core body; the positive electrode mixture layer includes a positive electrode active material and carbon nanotubes; and the carbon nanotubes include at least one of single-walled carbon nanotubes and multi-walled carbon nanotubes.

METHOD FOR RECOVERING MONOCRYSTALLINE SILICON OR POLYCRYSTALLINE SILICON FROM SOLAR PANEL, AND METHOD FOR PRODUCING RAW MATERIAL FOR ALL-SOLID-STATE LITHIUM ION BATTERY NEGATIVE ELECTRODE ACTIVE MATERIAL USING RECOVERED SILICON

Absstract of: WO2025142182A1

Problem To provide a method for reusing, by a simple method, a silicon cell separated from a solar panel. Solution Provided is a method for recovering monocrystalline silicon or polycrystalline silicon from a solar panel, the method being characterized by: separating monocrystalline silicon or polycrystalline silicon from a waste solar panel; thereafter, washing the surface of the separated monocrystalline silicon or polycrystalline silicon with an acid; and crushing the monocrystalline silicon or polycrystalline silicon, of which the surface has been washed with an acid, to an average particle diameter of 0.5-5.0 μm in the presence of a dispersion medium containing an alcohol.

BATTERY WITH WATER AND ACID SCAVENGING SEPARATOR THAT EXHIBITS FAST CHARGE AND HIGH VOLTAGE USE

Absstract of: WO2025145031A1

Disclosed herein is a novel system to improve the cycle life of a rechargeable battery utilizing a particular cellulose-based separator within such a cell and a charging procedure thereof such a cell at a rate of less than 1 hour and at a charging voltage in excess of 4.2 volts. With such a separator and charging methodology, such a rechargeable battery utilizes the capability of reducing moisture within tire cell and further plating potential of lithium on the anode thereof. In such a manner, the cycle life of such a battery may be lowered, allowing for faster charging and longer charge retention for the battery and thus the subject device utilized. The overall system utilizing such a methodology as well as tire specific battery exhibiting such improved cycle life capabilities and retained charge over time are thus encompassed within this disclosure.

PITCH COATING FOR LI-ION BATTERIES

Absstract of: WO2025144641A1

A recycling and enhancement process for graphite from a Li-ion recycling stream includes pitch coating for enhancing tap density and BET surface area compared to virgin materials and commercial graphite, and provide similar, if not greater performance. A multi-step pitch coating process includes two or more pitch coating stages at different temperatures. A first pitch mixing and coating at a lower temperature is followed by a second pitch mixing and coating at a higher temperature, which results in a pitch coated purified graphite having improved surface characteristics over recycled graphite and comparable or better properties compared to virgin (non-recycled) graphite.

BATTERY IDENTIFICATION SYSTEMS AND METHODS

Absstract of: WO2025144739A1

A method for identifying and sorting batteries comprising receiving a stream of mixed batteries, spatially separating the stream of mixed batteries into a plurality of batteries, directing a non-destructive beam of neutrons at a battery of a plurality of batteries, sensing an electromagnetic signature emitted in response to the non-destructive beam of neutrons directed at the battery, analyzing the electromagnetic signature to determine a composition of the battery, and sorting the battery to a location based on the composition.

SOLID-STATE LITHIUM-ION BATTERIES

Absstract of: WO2025145155A1

A lithium-ion battery cell includes an anode including a porous lithium storage layer disposed over an anode current collector and a modification layer provided on the lithium storage layer. The cell further includes a cathode having a cathode active material layer in electrical contact with a cathode current collector and a lithium-ion-containing solid-state electrolyte (SSE) that is interposed between the lithium storage layer and the cathode active material. The lithium storage layer includes at least 40 atomic % silicon, tin, germanium, or a combination thereof. The lithium storage layer includes discontinuities defining a plurality of lithium storage layer segments each having an upper surface and a sidewall. The modification layer is disposed on the upper surface and at least partially along the sidewall.

HYDROGEL COMPOSITION, HYDROGEL-REINFORCED CELLULOSE PAPER BATTERY SEPARATOR AND A PAPER BATTERY COMPRISING THE SAME

Absstract of: WO2025144102A1

A hydrogel composition for reinforcing a cellulose paper battery separator comprises a monomer, a cross-linking reagent, an initiator, and a metal salt. A hydrogel-reinforced cellulose paper battery separator comprises a cellulose paper, and a hydrogel integrated within the cellulose paper. A paper battery comprises the hydrogel reinforced cellulose paper batter separator. A method for fabricating the hydrogel reinforced cellulose paper batter separator.

BIPHASIC, TERNARY, AND CARBON-INFUSED LITHIUM-ALLOYS AND FREESTANDING ANODES FOR LITHIUM-BASED BATTERIES

Nº publicación: WO2025145092A1 03/07/2025

Applicant:

LYTEN INC [US]
LYTEN, INC