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1452
results.
Updated on
06/05/2025 [07:23:00]
Results 225 to 250 of 1452
Absstract of: US2025140902A1
A cellulose-based all-solid-state polymer electrolyte separator, a preparation method thereof and an application thereof are provided. The cellulose separator is used as a skeleton, and solid-state polymer electrolyte is injected into pores of the separator using atomic layer deposition and dipping-coating processes. In addition, the polymer electrolyte remains in an amorphous structure at high temperatures by using an instantaneous quenching method, and ionic conductivity of the solid-state polymer electrolyte at room temperature is improved. After a surface of the solid-state polymer electrolyte separator is further coated with an alumina nanolayer, an electrochemical window width of the separator is significantly increased, and the solid-state polymer electrolyte separator is prevented from decomposing under a high voltage.
Absstract of: US2025140972A1
A cooling member includes an upper plate, a lower plate, and cooling water contained into an inner space between the upper plate and the lower plate. Sealing parts are formed at edges of the upper plate and the lower plate, wherein a coupling groove is formed inside the sealing part. A fastening part coupled by a fastening member is formed outside the sealing part.
Absstract of: WO2025086720A1
An energy storage apparatus (10) and a container (20) therefor. The container (20) comprises a box body (21) and battery cells (30). The battery cells (30) are accommodated in the box body (21). The dimension of the container (20) in the length direction and the dimension thereof in the width direction are respectively consistent with the dimensions of a standard container, and the dimension h of the container (20) in the height direction is smaller than the dimension H of one standard container in the height direction of the container (20).
Absstract of: WO2025086474A1
A sodium-ion battery positive electrode material, and a preparation method therefor and a use thereof. The chemical general formula of the sodium-ion battery positive electrode material is NamNixFeyMnzO2, wherein 0.1≤x≤0.25, 0.5≤y≤0.8, 0.1≤z≤0.25, 0.8≤m≤1.1, 0.95≤x/z≤1.05, x+y+z=1, m, x, y, and z respectively are molar percentages of corresponding elements, and components in the chemical general formula satisfy charge conservation and stoichiometry conservation. The preparation method comprises: using a co-precipitation method to prepare a precursor containing a nickel source, an iron source, and a manganese source in required stoichiometric amounts; mixing the precursor containing the nickel source, the iron source, and the manganese source with a sodium source at a specific ratio, then adding a doping element for primary sintering to obtain a doped sodium-ion battery positive electrode material; and carrying out secondary sintering on the doped sodium-ion battery positive electrode material and a coating to obtain a final sodium-ion battery positive electrode material. The sodium-ion battery positive electrode material has the advantages of high capacity, low residual alkali, and high stability.
Absstract of: WO2025086284A1
An electrolyte, a secondary battery, and an electric device. The electrolyte comprises a first fluoroether solvent and a second fluoroether solvent, wherein the number of carbon atoms in the first fluoroether solvent is greater than 4, and the number of carbon atoms in the second fluoroether solvent is not greater than 4. The electrolyte can improve the cycling stability of a battery.
Absstract of: WO2025086481A1
The present application relates to the technical field of batteries. Provided are a battery cell, a battery and an electrical device. The battery cell comprises an electrode assembly and a current collection member, the electrode assembly comprising an electrode main body and tabs provided at the ends of the electrode main body; the current collection member is provided on a tab, and part of the outer edge portion of the current collection member coincides with the outer edge portion of the tab, such that part of the tab is exposed outside. In the battery cell provided by the present application, the outline dimension of the current collection member is smaller than that of the tab, such that the current collection member does not fully cover the tab. Thus, during laser welding of the current collection member and the tab, a laser beam can be incident laterally, so as to form a small acute angle with the plane where the tab is located, thereby lowering the probability of separator damage caused by the laser beam being vertically incident on the plane where the tab is located, and improving the yield of electrode assembly manufacturing.
Absstract of: US2025135676A1
Disclosed in one or more embodiments is a notching device including a die configured to support an electrode, a first stripper configured to move toward the die, and configured to press a mixture portion of the electrode, a second stripper configured to move toward the die, and configured to press an uncoated portion of the electrode, and a pattern portion configured to move toward the die, and configured to form a pattern on the uncoated portion.
Absstract of: US2025135449A1
To provide a water-soluble chelating polymer that can rapidly trap a trace amount of heavy-metal ions to reduce the amount of heavy-metal ions to a ppm level or lower in a short time.Use a water-soluble chelating polymer comprising an anionic polymer having a carboxy group, a sulfonate group and/or a sulfate group bonded through an ionic bond to a chelating functional group having a cationic functional group, wherein the water-soluble chelating polymer contains 0.2 to 6 mmol/g of the chelating functional group and has a weight-average molecular weight in the range of 30,000 to 1,000,000.
Absstract of: US2025135955A1
An electric work vehicle includes a battery housing and a plurality of ducts. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, and each of the plurality of ducts is attached to a respective one of the plurality of battery housing module compartments. The plurality of battery housing module compartments includes a first row of battery housing module compartments and a second row of battery housing module compartments spaced apart from the first row of battery housing module compartments in an up-down direction of the electric work vehicle, and one of the plurality of ducts attached to the first row of battery housing module compartments is a different size and/or shape than another one of the plurality of ducts attached to the second row of battery housing module compartments.
Absstract of: US2025135952A1
A mobility apparatus includes a plurality of first wheels, at least one first driving motor configured to provide a driving force to the plurality of first wheels, a first high voltage battery configured to supply power to the at least one first driving motor, and a first controller configured to control the at least one first driving motor and the first high voltage battery, and, when a second high voltage battery is removably and electrically connected to a first mobility apparatus, the first controller may control either the first high voltage battery or the second high voltage battery to operate to supply power to the first driving motor while performing conditioning for the other one.
Absstract of: US2025135831A1
An electric work vehicle includes a battery housing including a first battery housing portion, and an air cooling system. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, the air cooling system includes a first evaporator and a second evaporator, the air cooling system includes a first warm air path and a second warm air path, the first warm air path fluidly connects the first battery housing portion to the first evaporator to exhaust first warm air from the first battery housing portion to the first evaporator, and the second warm air path fluidly connects the first battery housing portion to the second evaporator to exhaust second warm air from the first battery housing portion to the second evaporator.
Absstract of: US2025140858A1
The present invention relates generally to the field of the storage of electrical energy in rechargeable storage batteries of Li-ion type. More specifically, the invention relates to a cathode coating for a completely solid Li-ion battery. The invention also relates to a process for the preparation of said coating. The invention also relates to a cathode coated with this coating, to the process for the manufacture of such a cathode and also to the Li-ion storage batteries comprising such a cathode.
Absstract of: US2025140848A1
A composite cathode active material for an all-solid-state battery including a sulfide solid electrolyte, a preparation method thereof, a cathode layer for an all-solid-state battery, and an all-solid-state battery including the cathode layer, the composite cathode active material including a secondary particle including a plurality of primary particles; and a buffer layer on a surface of the secondary particle, wherein the secondary particle includes a nickel lithium transition metal oxide represented by Formula 1 (LiaNi1-bMbO2), the buffer layer includes a first buffer layer adjacent to a surface of the secondary particle and including an oxide represented by Formula 2 (LixAyOz); and a second buffer layer including an oxide represented by Formula 3 (LixEyOz).
Absstract of: US2025140850A1
The invention relates to a method and application of a multifunctional interface layer modified composite zinc cathode based on zinc blende in zinc metal batteries. Zinc blende powder is produced by crushing and ball milling, then mixed with a solvent and wet screened. The fine zinc blende is dried and mixed with a surfactant to obtain grafted fine powder. This modified powder is combined with a binder and organic solvent to form a slurry, which is coated on the zinc metal cathode. After drying, the modified composite zinc metal cathode is applied to aqueous zinc metal batteries. This method stabilizes the zinc cathode, isolates electrolyte corrosion, inhibits zinc dendrite growth, and addresses issues of dendrite formation, hydrogen evolution, and corrosion, thereby extending the battery's service life.
Absstract of: US2025140854A1
A secondary battery including a negative electrode plate including a negative electrode current collector and a negative electrode film formed on at least one surface of the negative electrode current collector is provided, wherein the negative electrode film has a first surface away from the negative electrode current collector and a second surface disposed opposite to the first surface, thickness of the negative electrode film being denoted as H, a region within a thickness ranging from the second surface of the negative electrode film to 0.3 H being denoted as first region of the negative electrode film, a region within a thickness ranging from the first surface of the negative electrode film to 0.3 H being denoted as second region of the negative electrode film.
Absstract of: US2025140820A1
The negative electrode active material is represented by general formula M3Me2X7 (where: M includes La and/or Ca; Me includes at least one element selected from the group consisting of Mn, Ni, Fe and Co; X includes at least one element selected from the group consisting of Ge, Si, Sn, and Al). The dislocation density of the negative electrode active material is at least 1×1015 cm−2.
Absstract of: US2025140964A1
A battery module includes a plurality of battery cells and a plurality of vents, each vent associated with a respective battery cell. A heat sink is positioned adjacent the vents parts and is configured to dissipate heat from the plurality of battery cells. The heat sink includes a heat dissipation case having a metal material and a resinous material and defining a flow path groove through which cooling water is configured to flow, and a heat dissipation film adjacent the vents and coupled to the heat dissipation case and surrounding the flow path groove.
Absstract of: US2025140952A1
A battery control device includes: an acquisition unit that acquires predetermined information including information on an update operation, which is an operation related to program update of an in-vehicle device mounted on a vehicle, and information on the remaining charge amount of the target battery; an execution unit that executes the charging operation; and a determination unit that determines whether or not to execute the charging operation in the execution unit after end of the update operation. The execution unit stops the charging operation when the update operation is started. The determination unit performs start determination as to whether or not to start the charging operation after the end of the started update operation, based on at least the information on the remaining charge amount of the target battery, during a period from a request for the update operation to the start of the update operation.
Absstract of: US2025140967A1
A battery system includes: a first battery cell and a second battery cell; a housing accommodating the first and second battery cells; a cell spacer between the first battery cell and the second battery cell; a gap filler layer having a first surface facing the first and second battery cells and a second surface facing away from the first and second battery cells; and a cooling plate having a surface contacting the second surface of the gap filler layer. The first and second battery cells contact the first surface of the gap filler layer. The cell spacer includes a first insulating layer, a second insulating layer, and a metal fin between the first insulating layer and the second insulating layer, and the metal fin at least partially penetrates the gap filler layer so that an end portion of the metal fin extends toward the cooling plate.
Absstract of: US2025140942A1
A method for manufacturing a battery, the method including: a first step of preparing an electrode body including a substance that is capable of retaining an electrolytic solution and an electrolytic solution that is retained at the substance; a second step of accommodating the electrode body in an exterior body; and a third step of supplying an electrolytic solution to an interior of the exterior body.
Absstract of: US2025140950A1
Provided is an automotive lithium-ion battery. The automotive lithium-ion battery includes a battery including a plurality of lithium-ion battery cells connected in series between first and second battery terminals, a metal-oxide-semiconductor field-effect transistor (MOSFET) switch connected between the battery and a pack terminal, a start detection circuit configured to receive a start signal and output a start detection signal for a set period of time in response to the start signal, a voltage comparison circuit configured to output a voltage comparison signal by comparing a battery voltage of the battery with a reference voltage, and a switch control circuit configured to output a switch control signal for controlling the MOSFET switch based on the start detection signal and the voltage comparison signal.
Absstract of: WO2025086609A1
The present invention provides a high-voltage energy storage power system and a battery cluster state precise sensing method thereof. The high-voltage energy storage power system comprises: a battery cluster, a start-up protection circuit, PCS units, a fault bypass circuit, a direct-current side filter inductor, a bus capacitor, PCS unit sub-controllers, and a BMS; direct-current side positive electrodes of the PCS units are sequentially connected in series to the direct-current side start-up protection circuit, the battery cluster, and the direct-current side filter inductor, and then connected to direct-current side negative electrodes of the PCS units; alternating-current side positive electrodes of the PCS units are sequentially connected in series; the bus capacitor is connected in parallel to two electrodes at a direct-current side of each PCS unit; the PCS unit sub-controllers are respectively connected to the fault bypass circuit, the PCS units, the start-up protection circuit, and the BMS; and the BMS is connected to the battery cluster.
Absstract of: WO2025086606A1
The present invention relates to an electrolyte and a preparation method therefor, a secondary battery, and a power-consuming device. The electrolyte comprises an electrolyte salt, a first solvent and a composite flame retardant, wherein the composite flame retardant comprises a flame retardant and a gel polymer, the flame retardant is present in the internal pores of the gel polymer, the electrolyte salt is dissolved in the first solvent, and the composite flame retardant is dispersed in the first solvent. When the electrolyte is used in a secondary battery, it is beneficial to prolonging the service life of the battery and reducing the damage caused by thermal runaway of the battery.
Absstract of: WO2025086617A1
A non-aqueous electrolyte and a quick-charging secondary battery. The non-aqueous electrolyte comprises a primary injection electrolyte and a secondary injection electrolyte. The primary injection electrolyte comprises a mixed lithium salt, a carboxylic acid ester solvent, and a primary additive; the primary additive comprises vinylene carbonate and fluoroethylene carbonate; and on the basis of the mass of the primary injection electrolyte, the mass percentage content of the vinylene carbonate is A%, and the mass percentage content of the fluoroethylene carbonate is B%, wherein the value of A+B ranges from 1 to 6. The secondary injection electrolyte comprises a secondary additive; the secondary additive comprises vinylene carbonate; and on the basis of the mass of the secondary injection electrolyte, the mass percentage content of the vinylene carbonate is C%, wherein the value of (A+B)/C ranges from 0.06 to 0.48. The non-aqueous electrolyte is applicable to quick-charging and wide-temperature secondary battery systems.
Nº publicación: WO2025086295A1 01/05/2025
Applicant:
SHENZHEN INX TECH CO LTD [CN]
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Absstract of: WO2025086295A1
An electrolyte, a secondary battery and an electric device. The electrolyte comprises a fluoroether solvent and a pyrrole ionic liquid. The electrolyte has flame retardance and can improve the safety performance of batteries.
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