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1110
results.
Updated on
01/09/2024 [07:42:00]
Results 75 to 100 of 1110
Absstract of: US2024286923A1
A method for producing a lithium metal composite oxide, including a calcining step of introducing a gas mixture inside a calcining furnace and calcining a substance to be calcined in the calcining furnace at a temperature of higher than 600° C., in which the substance to be calcined is a raw material mixture containing a mixture of a metal composite compound and a lithium compound or a reaction product of the metal composite compound and the lithium compound, the gas mixture before introduction contains oxygen, an amount of moisture in the gas mixture is 8 vol % or more and 85 vol % or less, and an amount of carbon dioxide in the gas mixture is less than 4 vol %.
Absstract of: US2024286921A1
A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
Absstract of: US2024286907A1
The present disclosure teaches a method of processing chitin, including providing a source of chitin; and pyrolyzing at least a portion of the source of chitin using a microwave plasma. Pyrolyzing includes producing a nanostructured carbon material including at least one of diamond, ultrananocrystalline diamond (UNCD), graphite, and graphene. Pyrolyzing also includes doping the nanostructured carbon material with at least one element selected from the group consisting of nitrogen and boron. Compositions of matter and articles of manufacture are also disclosed.
Absstract of: US2024286906A1
A method to recycle graphite from lithium and sodium-ion batteries. Graphite from the batteries first is treated in an aqueous solution of strong base at a temperature range between about 100° C. and about 250° C., a pressure range between about 0.9 bar and about 20 bar, at a solid-to-liquid ratio of from about 1-to-1 to about 1-to-4. The treated graphite is then washed, filtered, and then treated with a mineral acid (e.g., hydrochloric acid). The purified graphite is then coated with amorphous carbon at a weight percentage range between 0.5 wt % and about 20 wt %. The recycled graphite yielded by the method routinely achieves a purity >99.9%, a specific area of less than or equal to about 10 m2/g.
Absstract of: US2024286905A1
A method of producing a purified graphite from a recycled battery stream for use in as anode material in Li-ion batteries is described. The method comprises a leaching step to obtain a precipitate comprising graphite by filtration, which is then iteratively roasted as a slurry with an aqueous solution of a hydroxide base and subsequently washed to form a purified graphite.
Absstract of: US2024290553A1
Provided herein is an electrochemical cell designed for high current discharge, which includes a cathode strip, an anode strip, and at least two separator strips, being longitudinally stacked to form an electrodes set that is folded into segments.
Absstract of: WO2024176767A1
A battery control device (9) comprises: a relay control unit (15) that controls the on/off of series relays (23, 33, 43) and parallel relays (22, 32, 42); and an input/output control unit (16) that controls the input/output power between an input/output unit (13) and a battery unit. When the relay control unit performs a voltage-level adjustment sequence for adjusting the voltage levels between a plurality of battery packs by the on/off control of the series relays and the parallel relays, the input/output control unit controls, on the basis of a circulation current direction that is the current direction of circulation current flowing between the plurality of battery packs (20, 30, 40) and the magnitude of the circulation current, the input/output unit to input and output the power adjusted so as to suppress the circulation current.
Absstract of: WO2024176830A1
According to the present invention, a histogram generation unit generates a histogram of the stay time of state of charge (SOC) of a battery on the basis of battery data. An actual SOC range calculation unit specifies an SOC range that falls within a prescribed probability of occurrence from the histogram, as an actual SOC usage range. A recommended SOC range calculation unit calculates a recommended SOC usage range in which deterioration is suppressed compared to the actual SOC usage range with reference to the battery deterioration characteristics on the basis of the actual SOC usage range and statistical charge/discharge patterns based on the battery data. A charging recommendation level generation unit generates a charging recommendation level that increases or decreases depending on the SOC of the battery, with the lower limit SOC of the recommended SOC usage range as the recommended charging start value and the upper limit SOC of the recommended SOC usage range as the recommended charging end value.
Absstract of: WO2024176692A1
This air-conditioning device comprises: a compressor (11); a heating part (12, 30, 121); a first pressure reduction part (14a); a refrigerant-air heat exchange part (15); a second pressure reduction part (14b); a cooling part (18); a main blowing part (52) that blows air for air conditioning toward a space to be air-conditioned; a main air-conditioning unit part (50) that forms a main air passage (50a) in which at least a part of the heating part (12, 30, 121) and at least a part of the cooling part (18) are disposed; an auxiliary blowing part (62) that blows air for heat exchange toward the refrigerant-air heat exchange part (15); an auxiliary inside/outside air switching part (63) for adjusting the ratio of outside air to inside air in the air for heat exchange; and an auxiliary air-conditioning unit part (60) that forms an auxiliary air passage (60a) in which the refrigerant-air heat exchange part (15) is disposed.
Absstract of: WO2024176644A1
An impedance parameter measurement method according to an embodiment of the present technology is a method for measuring an impedance parameter of an electrochemical device in which an electric circuit including a CPE serves as an equivalent circuit, and includes the following: (A) applying step-like current changes to the electrochemical device; (B) measuring the voltage of the electrochemical device at a plurality of different timings while the voltage of the electrochemical device is exhibiting a transient response to the application of current changes to the electrochemical device; and (C) deriving a p-constant for the CPE on the basis of the plurality of voltage values obtained from the measurement and deriving a T-constant for the CPE on the basis of the derived p-constant and the plurality of voltage values obtained from the measurement.
Absstract of: WO2024174066A1
The present application relates to a separator, a secondary battery, and a powered device. The separator comprises a barrier layer, and the barrier layer comprises a polymer layer and a barrier material at least partially embedded in the polymer layer, wherein the barrier material comprises one or more of a micro-mesoporous material and an ion-conducting inorganic material; the volume average particle size Dv50 of the barrier material is denoted as D, the thickness of the barrier layer is denoted as d1, and the volume average particle size Dv50 of the barrier material and the thickness of the barrier layer satisfy: 0.2≤d1/D≤1000; the air permeability of the barrier layer is ≥ 300s/100mL.
Absstract of: WO2024174061A1
An electrode assembly, a battery cell, a battery, a powered device, a positive electrode plate, and a preparation method therefor. The positive electrode plate (31) comprises: a positive electrode current collector (10); and a positive electrode active material layer (20) arranged on at least a part of the surface of the positive electrode current collector (10), wherein the positive electrode active material layer (20) comprises at least two positive electrode active material sections disposed along the length direction (dL) of the positive electrode current collector (10), and the specific surface area of a positive electrode active material included in a part of the positive electrode active material sections in the at least two positive electrode active material sections is greater than that of a positive electrode active material included in the other part of the positive electrode active material sections.
Absstract of: WO2024174308A1
Battery modules, a battery pack, and a vehicle. The battery modules comprise a plurality of battery cells connected in sequence in series in a same direction, inner tubes accommodating the plurality of battery cells, and outer tubes located on the outer sides of the inner tubes. Each inner tube and each outer tube define a plurality of hollow cavities surrounding the plurality of battery cells, and a cooling liquid is introduced into the hollow cavities in a series connection direction parallel to the battery cells. According to the battery modules of the present application, the cooling liquid is introduced into the hollow cavities defined by the inner tube and the outer tube in the series connection direction parallel to the battery cells, so that multi-directional heat dissipation can be carried out on the exteriors of the battery cells; the heat dissipation mode achieves uniform heat dissipation and high heat dissipation efficiency, so that the situation that the use of the whole battery pack is affected due to the heat of a single battery cell suddenly increasing and then rapidly spreading to an adjacent battery cell can be avoided.
Absstract of: US2024290517A1
An oil-soluble conductive agent and a preparation method therefor. Raw materials for preparing the oil-soluble conductive agent comprise the following components: 20 parts by weight of ethyl caprate or bis(2-ethylhexyl) sebacate, 1.8-2.2 parts by weight of ethyl methyl carbonate, and 2-8 parts by weight of fluorine-containing ion salt; and the fluorine-containing ion salt is selected from one or more of lithium bis(trifluoromethanesulfonyl)imide, lithium trifluoromethanesulfonate, and lithium tetrafluoroborate. The oil-soluble conductive agent is apparently a colorless transparent liquid at 25° C. or higher, and the conductivity at 25° C. reaches 1×10−4 S/cm. The oil-soluble conductive agent can be completely dissolved in a base oil and improve the conductivity thereof, so as to have the effects of arc suppression, being anti-static, cooling, heat transfer, and conduction.
Absstract of: US2024289413A1
Provided are a method and an apparatus for identifying a parameter of a battery model, an electronic device, and a storage medium. The method includes: obtaining to-be-identified parameters from an electrochemical model to form individuals; calculating a first fitness for each individual; determining a cell parameter if any individual has a first fitness less than a fitness threshold; sorting the individuals in an ascending order based on magnitudes of the first fitness, and partition the individuals into two parts in a case that each individual has a first fitness greater than or equal to the fitness threshold; updating to sub-individuals obtained from partition; calculating a second fitness for each individual, compare the second fitness with the first fitness, and retain an individual having a smaller fitness; and terminates if a fitness of the retained individual is less than the fitness threshold.
Absstract of: US2024288897A1
Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.
Absstract of: US2024288857A1
A method for determining process parameters for a manufacturing process of a real product. The manufacturing process includes at least one operation of a real device with at least one process parameter. The real device is provided as a virtual device. A setpoint value of the at least one process parameter is provided. The setpoint value is analyzed and an expected actual value is generated of the process parameter which actually occurs during operation of the real device. The expected actual value is determined taking into account influencing parameters, with the expected actual value deviating from the setpoint value or comprising a set of values with a plurality of values. The virtual device is operated with the at least one process parameter as part of a simulation, wherein at least the actual value to be expected is used.
Absstract of: WO2024176538A1
An information processing method according to the present disclosure is executed by a control unit of an information processing device comprising a communication unit configured to be capable of communicating with a plurality of power storage devices, a storage unit that stores position information indicating the positions where the plurality of power storage devices are installed, and the control unit. The information processing method includes acquiring information indicating the range of a first region where a power failure occurs, identifying a plurality of first power storage devices positioned in the first region and a plurality of second power storage devices positioned in a second region not included in the first region from the position information pertaining to the plurality of power storage devices, and determining a combination of the first power storage devices and the second power storage devices.
Absstract of: WO2024176531A1
Provided is a zinc secondary battery which has favorable battery resistance while being able to effectively suppress leakage of an electrolyte solution caused by creep. This zinc secondary battery comprises: a positive electrode plate that includes a positive electrode active substance layer and a positive electrode current collector; a negative electrode plate that includes a negative electrode active substance layer containing at least one type selected from the group consisting of zinc, zinc oxide, a zinc alloy and a zinc compound, and a negative electrode current collector; a hydroxide ion-conducting separator that separates the positive electrode plate and the negative electrode plate in a hydroxide ion-conducting way; and an electrolyte solution. The electrolyte solution is an aqueous solution that contains at least an alkali metal hydroxide including sodium hydroxide. The total alkali metal hydroxide concentration in the electrolyte solution is 5.0-6.0 mol/L. The sodium hydroxide concentration in the electrolyte solution is 0.5-6.0 mol/L.
Absstract of: WO2024176706A1
This battery drive device comprises: a battery holder that holds a battery having a connection terminal; a circuit board having mounted thereon a terminal part that is connected to the connection terminal; a heater that transmits heat to the connection terminal via at least the terminal part; a temperature sensor that measures the temperature of the heater; and a control unit that controls the heater on the basis of a temperature measured by the temperature sensor, a first threshold value, and a second threshold value larger than the first threshold value.
Absstract of: WO2024174377A1
A battery fireproof apparatus, a battery case, a battery, and an electric device. The battery fireproof apparatus (30) comprises: a housing (31) having an accommodating cavity (310), the housing (31) being configured to be mounted on the outer side of an explosion-proof valve (20) of a battery (1001); and a refrigerant, which is arranged in the accommodating cavity (310) and can be controlled to generate a cooling capacity so as to cool down an eruption sprayed from the explosion-proof valve (20). The refrigerant is arranged in the accommodating cavity (310) of the housing (31), and during use, the housing (31) is mounted on the outer side of the explosion-proof valve (20), such that when runaway occurs in the battery (1001), the refrigerant can generate a cooling capacity so as to actively cool down the eruption sprayed from the explosion-proof valve (20), such that the combustion speed of the sprayed eruption is less than the jet speed, and thus a flame ignited by the eruption cannot be stably maintained, thereby achieving the effects of fire extinguishing and fire prevention.
Absstract of: WO2024174359A1
The present application provides a lithium iron manganese phosphate positive electrode material, a preparation method therefor, and a use thereof. The preparation method comprises: (1) mixing conductive carbon microspheres and a lithium iron manganese phosphate precursor liquid to obtain a mixed solution; (2) subjecting the mixed solution of step (1) to a hydrothermal reaction, and freeze-drying a product of the hydrothermal reaction to obtain a lithium iron manganese phosphate precursor; and (3) subjecting the lithium iron manganese phosphate precursor of step (2) to high-temperature sintering to obtain the lithium iron manganese phosphate positive electrode material.
Absstract of: WO2024174358A1
The present application relates to an adhesive tape attaching mechanism (100), an adhesive tape attaching device (1000), and a battery production line. The adhesive tape attaching mechanism (100) comprises: an assembling base (10); a middle adhesive tape suction assembly (20), capable of suctioning an adhesive tape (3000) and attaching same to a first surface (2100) of a piece to be subjected to adhesive tape attachment; end adhesive tape suction assemblies (30), arranged on two opposite sides of the middle adhesive tape suction assembly (20), wherein each end adhesive tape suction assembly (30) comprises an end driving member (31) and an end adhesive tape suction member (32) transmittingly connected to the end driving member (31); and end sliding assemblies (40), arranged on the assembling base (10); wherein the end adhesive tape suction members (32) are configured to be guided by the end sliding assemblies (40) under the drive of the end driving members (31) connected to the end adhesive tape suction members (32), so as to slide toward the middle adhesive tape suction assembly (20) and be closed up, and to respectively suction the adhesive tape (3000) and bend and attach same to a second surface (2200) and a third surface (2300) of said piece. The adhesive tape attaching mechanism (100), the adhesive tape attaching device (1000), and the battery production line provided by the present application can alleviate the problem caused by unstable pressing force generated by elast
Absstract of: US2024292577A1
An immersion cooling system includes electrical componentry, a heat transfer fluid, and a reservoir. The electrical componentry is at least partially immersed in the heat transfer fluid within the reservoir, and a circulating system circulates the heat transfer fluid out of the reservoir, through a circulating pipeline, and back into the reservoir. The heat transfer fluid includes one or more phosphate ester compounds containing intramolecular mixtures of alkyl and aryl groups and exhibits favorable properties in a circulating immersion cooling system, such as low flammability, low pour point, high electrical resistivity and low viscosity for pumpability.
Nº publicación: US2024291584A1 29/08/2024
Applicant:
HITACHI ASTEMO LTD [JP]
Hitachi Astemo, Ltd
Absstract of: US2024291584A1
A management device includes: a transmission control unit that communicates with a battery data transmission device that transmits encoded data, which is obtained by encoding battery data which is data regarding a battery, via a transmission path; an abnormality detection unit that detects an abnormality of the transmission path; and a command unit that outputs, to the battery data transmission device, a command to shorten a data length of the encoded data when the abnormality detection unit detects the abnormality of the transmission path.
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