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Electrolyte of ultra efficient zinc-bromine static battery

Resumen de: GB2639764A

An electrolyte (102) of a zinc-bromine static battery (104), comprising zinc bromide in molar concentration from 1.5 to 3.0 M; a mixture of two or more quaternary ammonium salts in 30 to 55 % of the molar concentration of the ZnBr2; a glycol based anti-freezing agent in molar concentration 0.1 to 2.0 M; and one or more additional supporting ionic conducting agents selected from zinc chloride, potassium chloride, magnesium chloride, lithium chloride and calcium chloride, where each or the combination are present in a molar concentration 0.5 to 2 M. The ammonium salts may be selected from tetrapropylammonium bromide (TPAB) or chloride or tetrabutylammonium bromide (TBAB) or chloride along with tetraethylammonium bromide (TEAB) or chloride. The anti-freezing agent may be selected from monoethylene glycol, propylene glycol, 1,3-butylene glycol, polyethylene glycol 200, polyethylene glycol 400, or a combination thereof. The electrolyte may be free of pH maintaining agents and buffering agents.

MODULE PRESSURIZATION AND DWELLING LINE BODY AND DISPATCHING METHOD THEREFOR

Resumen de: EP4625565A1

Disclosed are a module pressurization and resting line and a scheduling method therefor. The module pressurization and resting line includes a plurality of pressurization lines, a resting line, and a resting transfer device, and each pressurization line is provided with a pressurization output end; the resting line is provided with a resting input end; the resting transfer device includes a first transfer turntable and a second transfer turntable, where the first transfer turntable is disposed between one of the pressurization output ends and the resting input end, and the first transfer turntable, along its rotational circumferential direction, is capable of being in transfer communication with the resting input end; the second transfer turntable is disposed between the other pressurization output ends and the first transfer turntable, and the first transfer turntable and the second transfer turntable, along their respective rotational circumferential directions, are each provided with a first position and a second position; at the first position, the first transfer turntable and the second transfer turntable are each capable of being in transfer communication with the corresponding pressurization output ends, and at the second position, the first transfer turntable and the second transfer turntable are capable of being in transfer communication with each other. Therefore, the issue of the large space requirement associated with existing power battery production lines is add

CTP BATTERY BOX AND CTP BATTERY SYSTEM

Resumen de: EP4625618A1

A CTP battery box includes: a bottom plate and a plurality of side plates. The plurality of side plates are connected to the bottom plate. Adjacent side plates of the plurality of side plates are connected to each other to form a mounting space. A side of the bottom plate near the mounting space defines a plurality of adhesive slots. An insulating layer is arranged to cover the plurality of adhesive slots. The insulating layer defines a plurality of through holes. Each of the plurality of through holes matches a respective one of the plurality of adhesive slots. An adhesive member is arranged in each of the plurality of adhesive slots and passes through a respective one of the plurality of through holes. The insulating layer isolates the bottom plate from a plurality of cells; the adhesive member is configured to adhere the plurality of cells.

SYSTEM AND APPARATUS FOR INSPECTING COATING STATE AND AN OPERATION METHOD THEREOF

Resumen de: EP4625319A1

The present disclosure relates to a system and apparatus for inspecting a coating state and an operation method thereof. The operation method of the apparatus for inspecting a coating state according to an embodiment of the present disclosure may include: using a photographing module, photographing at least a partial area of a base plate which comprises a first area coated with a first material and a second area not coated with the first material, wherein a partial area of the first material and a partial area of the second area 31b are coated with a second material, to obtain an inspection image; generating a brightness histogram related to a brightness of the inspection image based on a pre-trained brightness distribution estimation model; and estimating an overlapping section where the second material and the first material are overlapped based on the generated brightness histogram.

CIRCUIT, METHOD AND SYSTEM FOR BALANCING THE VOLTAGE OF MEMORY UNITS

Resumen de: EP4625758A2

Die vorliegende Erfindung betrifft eine Schaltung, ein Verfahren und ein System zur Symmetrierung der Spannung von in Reihe geschalteten Speichereinheit (BT). Die Schaltung entspricht einem Leiternetzwerk, bei dem horizontalen Schalter (SH) die Sprossen der Leiter bilden, auf dem ersten Holm der Leiter zwischen den Sprossen jeweils eine Speichereinheit (BT) angeordnet ist und auf dem zweiten Holm zwischen den Sprossen jeweils ein vertikaler Schalter (SV) angeordnet ist. Durch Schalten der horizontalen Schalter (SH) und vertikalen Schalter (SV) können einzelne Speichereinheiten (BT) mit einer Symmetrierungsquelle (SY) verbunden werden, so dass diese die Spannung der verbundenen Speichereinheit (BT) anpasst, wodurch die Spannung der Speichereinheiten (BT) in der Reihenschaltung symmetriert wird.

ELECTRODE PLATE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4625518A1

An electrode plate for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The electrode plate for rechargeable lithium batteries includes a current collector and an active material layer on the current collector, wherein the active material layer includes an active material; and a crosslinked product of a binder and a crosslinking agent. The binder includes a polyimide based binder, and the crosslinking agent includes at least one of a diamine based compound, an amino alcohol based compound, and a dialcohol based compound.

BATTERY PACK

Resumen de: EP4625649A2

A battery pack includes a battery cell stack in which a plurality of battery cells are stacked and battery cell junctions are disposed between the battery cells. Each of the battery cell junctions includes a first tape arranged to correspond to an edge of a surface of one of the battery cells and a second tape arranged to correspond to a central portion of the surface of the one of the battery cells. The first tape and the second tape form a single layer and are spaced apart from each other.

Battery health protection in fast-charging lithium ion (Li-ion) battery charging systems

Resumen de: GB2639739A

battery charging system prevents or reduces deterioration of battery health due to fast charging. The battery charging system includes a battery 14 composed of one or more re-chargeable cells, a battery charging circuit 20 that controls a charging waveform supplied to the battery, and a detection circuit that detects a decrease in resistance of the battery at an AC signal frequency greater than or equal to 200Hz. The battery charging circuit controls the charging waveform responsive to an output of the detection circuit. In another battery charging system, the battery has multiple re-chargeable cells. The charging circuit apportions charging waveforms at the cells, and the detection circuit that detects a decrease in resistance of a cell at the AC signal frequency. The battery charging circuit and balancing circuit controls apportioning of the individual charging waveforms responsive to an output of the detection circuit.

LITHIUM ION BATTERY AND ELECTRIC DEVICE

Resumen de: EP4625575A1

The present disclosure discloses a lithium ion battery and an electric device. The lithium ion battery includes a positive electrode; a negative electrode, where the negative electrode includes a negative electrode current collector and at least a negative electrode active material layer, the negative electrode active material layer is coated on one or two sides of the negative electrode current collector, and the total thickness of the negative electrode active material layer on a single side of the negative electrode current collector is d µm; and an electrolyte solution, where the electrolyte solution has an ionic conductivity of C mS/cm, and the electrolyte solution has a viscosity of δ mPa·s, where C and δ meet the following relation formula: 3≤d/(C*δ)≤6. In the present disclosure, by the electrolyte solution matching with different ionic conductivities and viscosities, the infiltration for the electrode sheet by the electrolyte solution is effectively improved, and the cycle performance over a wide temperature range is improved.

SYSTEMS AND METHODS FOR MONITORING FOR A GAS ANALYTE

Resumen de: EP4625577A1

The invention relates to a system and a method (800, 900) for monitoring a gas source (302) for release of a gas analyte (902) using a monitoring system (300). The method comprises: generating a first sensor signal (906) characterizing an amount of the gas analyte being released by the gas source (302); monitoring an ambient environment (308) for an ambient gas (904); generating a second sensor signal characterizing (908) an amount of the ambient gas present in the ambient environment; determining a first sensor output (910) based upon a percent change of the first sensor signal relative to a first averaged sensor signal; determining a second sensor output (912) based upon a percent change of the second sensor signal relative to a second averaged sensor signal; evaluating the first sensor output relative to the second sensor output (914); and generating an alert signal (314) based on a result of the evaluation (916).

BATTERY MODULE HAVING IMPROVED COOLING PERFORMANCE AND BATTERY PACK COMPRISING SAME

Resumen de: EP4625623A1

According to an embodiment of the present disclosure, a battery module includes: a battery cell stack in which multiple battery cells are stacked; a module case configured to accommodate the battery cell stack; and a first thermal resin layer on a top side of the battery cell stack inside the module case.

NON-AQUEOUS ELECTROLYTE SOLUTION, LITHIUM-ION BATTERY, AND ELECTRONIC DEVICE

Resumen de: EP4625589A1

A nonaqueous electrolyte solution includes a nonaqueous solvent and a lithium salt dissolved in a specific amount in the nonaqueous solvent. The nonaqueous electrolyte solution contains a specific amount of fluoroethylene carbonate, ethyl propionate, 1,2,3-tris(2-cyanoethoxy)propane, and a nitrogen-containing lithium salt. Based on a mass of the nonaqueous electrolyte solution, an aggregate mass percentage of the fluoroethylene carbonate and the 1,2,3-tris(2-cyanoethoxy)propane in the nonaqueous electrolyte solution is set to fall within a specific range. An aggregate mass percentage of the ethyl propionate and the nitrogen-containing lithium salt is set to fall within a specific range. This application can alleviate the volume resistance of a positive electrode and expansion of a negative electrode of the lithium-ion battery, and make the battery exhibit good high-temperature cycling performance and low-temperature direct-current resistance performance.

SECONDARY BATTERY

Resumen de: EP4625596A2

A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a positive electrode current collector in the case and electrically connected to the first electrode plate; a rivet terminal having one side connected to the positive electrode current collector and another side extending to an outside of the case; an inner insulating part between the positive electrode current collector and the case to block an electrical connection between the positive electrode current collector and the case; and a distance-maintaining member between the inner insulating part and the positive electrode current collector to maintain a distance between the inner insulating part and the positive electrode current collector.

BATTERY MODULE

Resumen de: EP4625610A1

A battery module including banks connected in parallel or in series to each other, each of the banks including battery cells electrically connected in parallel to each other, a sensing tab configured to measure a voltage of each of the battery cells in each of the banks, and a high-voltage bus bar configured to make an electrical connection to another battery module. The high-voltage bus bar includes an insulating band including a synthetic resin that is an electrical nonconductor configured to electrically insulate the high-voltage bus bar from the sensing tab.

ELECTROLYTE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4625590A1

The present application belongs to the technical field of batteries, and in particular, relates to an electrolyte solution, a secondary battery, and an electric device. The electrolyte solution provided in the present application contains sodium salt and lithium salt. A deposition overpotential of lithium metal in the electrolyte solution is higher than a deposition overpotential of sodium metal. The electrolyte solution has film-forming selectivity, which is beneficial to improving the cycling performance of the secondary battery. The secondary battery provided in the present application includes the electrolyte solution and a positive electrode sheet. An active material in the positive electrode sheet includes a sodium-ion positive electrode active material and a lithium-ion positive electrode active material, and a charging plateau voltage of the sodium-ion positive electrode active material in the battery is lower than a charging plateau voltage of the lithium-ion positive electrode active material in the battery. The electrolyte solution in the secondary battery is adapted to the positive electrode sheet, which further improves the storage performance of the secondary battery.

NEGATIVE ELECTRODE MATERIAL AND LITHIUM ION BATTERY

Resumen de: EP4625540A1

The present disclosure relates to anode material and lithium ion battery. The anode material includes a porous carbonaceous material. A silicon material is distributed inside the porous carbonaceous material. The anode material has a uniformity degree N, and N meets N≥80%. In a Backscattered Electron (BSE) diagram obtained by scanning the anode material using a Scanning Electron Microscope (SEM) in a BSE automatic brightness and contrast mode, in any one of 100 µm*100 µm regions, the number of particles of the anode material having first brightness is recorded as C1, the first brightness indicates the anode material with a gray value in the BSE diagram greater than or equal to 5500, the number of particles of the anode material having second brightness is recorded as C2, the second brightness indicates the anode material with the gray value in the BSE diagram less than 5500, the anode material has a uniformity degree N'=C2/(C2+C1)*100% in the region, and the uniformity degree N of the anode material is an arithmetic mean of at least 10 N's.

METHOD, APPARATUS AND SYSTEM FOR LI-PLATING DETECTION OF POWER BATTERY

Resumen de: EP4624959A1

The present disclosure relates to a computer-implemented method for Li-plating detection of a cell of a power battery. The method includes: obtaining a plurality of AC impedance values for the cell measured at a plurality of States of Charge (SOCs), in which the plurality of AC impedance values are measured in a non-driving state of a vehicle; fitting the AC impedance values as a function of SOC based on the plurality of AC impedance values; and calculating a goodness of fit for the function, and calculating a Li-plating score for the cell based on the goodness of fit, in which the Li-plating score is used to indicate a degree to which Li-plating occurs in the cell.

PROCESS SIMULATION SYSTEM AND METHOD

Resumen de: EP4625238A1

A process simulation system for a drying facility for drying an electrode plate of a rechargeable battery includes a process simulation device configured to perform a process simulation of the drying facility by using an artificial neural network-based simulation model. The simulation model may include a first artificial neural network configured to receive facility state data of the drying facility and predict fluid behavior in a fluid region of the drying facility from the facility state data, a second artificial neural network configured to receive the facility state data and predict a temperature in the fluid region, and a third artificial neural network configured to receive output from the first artificial neural network and the second artificial neural network, and predict a temperature on a boundary of the fluid region.

LAMINATION MACHINE AND LAMINATION METHOD

Resumen de: EP4624156A1

The invention provides a lamination machine (1, 1', 1") and a lamination method thereof. The lamination machine (1, 1', 1") of the invention includes two length adjustment mechanisms (10), a lamination support platform (12) and a pressing mechanism (14). Each of the two length adjustment mechanisms (10) includes a plurality of direction guiding rollers (100). The lamination support platform (12) includes a plurality of pressing members (120), a plurality of feed-in rollers (122) and a plurality of feed-out rollers (124). The pressing members (120) are stacked in a single axial direction (Z). The feed-in rollers (122), the feed-out rollers (124) and the direction guiding rollers (100) drag a laminated film (3) to pass through the pressing members (120) in sequence. The pressing mechanism (14) provides a pressing force to the pressing members (120) to synchronously press the laminated film (3) located on the pressing members (120).

BATTERY, METHOD FOR MANUFACTURING THE BATTERY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: EP4625581A1

The present application provides a battery, a method for manufacturing the battery, and an electric device. The battery includes a positive electrode sheet, a negative electrode sheet, and at least one laminated structure disposed on either the surface of the positive electrode sheet facing the negative electrode sheet or the surface of the negative electrode sheet facing the positive electrode sheet. The laminated structure includes an ion transport layer and an electron insulation layer stacked together. The battery does not include a separator.

DRY ELECTRODE AND DRY ELECTRODE MANUFACTURING METHOD

Resumen de: EP4625508A2

A dry electrode includes a current collector including a surface having protrusions and depressions and a free-standing film including an active material, a conductive material, and a fiberized binder. The free-standing film is laminated directly onto the surface of the current collector having protrusions and depressions.

ANODE ACTIVE MATERIAL, ANODE COMPOSITION, ANODE, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4625536A1

The present invention relates to an anode active material, an anode composition, an anode, a lithium secondary battery, a battery module, and a battery pack, each comprising porous silicon-carbon composite particles. The anode active material comprises: porous silicon-carbon composite particles comprising a porous carbon scaffold and silicon provided on at least a portion of an interior or surface of the porous carbon scaffold, wherein a content of the silicon is 35 to 60 parts by weight based on 100 parts by weight of the silicon-carbon composite particles, wherein a specific surface area of the silicon-carbon composite particles is 20 m²/g or less, and wherein a contact angle of the silicon-carbon composite particles with water, measured on a surface of a flat film after forming the flat film, is 90 degrees or greater.

BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4625681A1

Disclosed is a battery, which includes an electrode assembly including a first electrode having a first uncoated portion, a second electrode having a second uncoated portion and configured to have a polarity opposite to the first electrode, and a separator interposed between the first electrode and the second electrode; a battery housing configured to accommodate the electrode assembly through an open portion formed at one side and electrically connected to the second electrode; and a current collection terminal configured to be electrically connected to the first electrode and electrically insulated from the battery housing, the current collection terminal including an electric connection portion configured to be coupled onto one surface of the electrode assembly at a closed portion of the battery housing provided at a side opposite to the open portion and a terminal portion configured to extend from the electric connection portion so that at least a part thereof is exposed to an outside of the battery housing through the closed portion.

ELECTRODE ASSEMBLY, BATTERY, AND ELECTRICITY-CONSUMPTION DEVICE

Resumen de: EP4625510A1

The disclosure relates to an electrode assembly (100), a battery (200), and an electricity-consumption device (300). The electrode assembly (100) includes a negative electrode (110), a separator (120), and a positive electrode (130). The separator (120) is disposed on one side of the negative electrode (110), the separator (120) includes a substrate (121) and an adhesive layer (122), and the adhesive layer (122) is disposed on a surface of the substrate (121). The adhesive layer (122) includes first polymers (123), and the first polymers (123) are copolymers of vinylidene fluoride and hexafluoropropylene. The positive electrode (130) is disposed on one side of the separator (120) away from the negative electrode (110), and the positive electrode (130) includes a current collector layer (131) and an active material layer (132) that are stacked. The active material layer (132) is disposed on a surface of the current collector layer (131) and is disposed facing the adhesive layer (122). The active material layer (132) includes active particles (133) and second polymers (134). The second polymers (134) are particulate, the second polymers (134) are dispersed in the active particles (133), and the second polymers (134) are bonded with the first polymers (123).

IMPROVED FIXATION SYSTEM FOR A BATTERY PACK

Nº publicación: EP4624271A1 01/10/2025

Solicitante:

ON HIGHWAY BRASIL LTDA [BR]
On-Highway Brasil Ltda

Resumen de: EP4624271A1

Fixation system (7) for a battery pack (2) comprising a plurality of walls (2a, 2b, 2c) connected together to define a space (3) for housing at least one electrical battery (4), the space (3) extending along a longitudinal, transversal, vertical axis (A', B', C'),The fixation system (7) comprises a lever (8) provided with a first portion (8'), a second portion (8'') and a third portion (8‴) connecting together the first and second portions (8', 8''),the fixation system (7) comprising a releasable fixed connection (9) for connecting the second portion to one of said walls (2a, 2b, 2c) and a compensable length connection (15) for fixing the first portion (8') to an element (5) coupled to at least one electrical battery (4).