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1356
resultados
Última actualización
12/08/2025 [07:12:00]
Resultados 450 a 475 de 1356
Resumen de: WO2025164401A1
Provided is a nonaqueous electrolyte secondary battery which has a reduced risk of a short circuit. A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure comprises: an electrode body in which a first electrode and a second electrode, which are strip-shaped and have mutually different polarities, are wound in a longitudinal direction; and an exterior body. On the surfaces of the inside and the outside of the winding of the first electrode, collector exposed parts in which a current collector is exposed are formed in a position overlapping the first electrode in the thickness direction thereof. A first protective tape is disposed on the inside of the winding of the first electrode so as to cover the collector exposed part, and a second protective tape is disposed on the outside of the winding of the first electrode so as to cover the collector exposed part. The first protective tape has a base material layer and an adhesive layer formed on the surface of the base material layer, and the second protective tape has a base material layer but does not have an adhesive layer. The first protective tape and the second protective tape include protruding parts protruding from the current collector in the lateral direction of the first electrode and are bonded to each in the protruding parts.
Resumen de: WO2025161100A1
The present application relates to the technical field of sheet-placing devices for lithium battery winding machines. Disclosed is an automatic cutting and sheet-placing device, comprising material roll conveying mechanisms and material loading and positioning mechanisms (43), wherein a material storage mechanism (38), a material brushing mechanism (39), a material pulling traction mechanism (40), a material cutting mechanism (41) and a sheet suction mechanism (42) are disposed in sequence between each material roll conveying mechanism and material loading and positioning mechanism (43). The material pulling traction mechanism (40) is used for traction pulling of a material roll; specifically, by starting a pressing roller cylinder (16), a pressing block (14) is driven to descend until same presses against a traction pulling wheel (33), so as to pull the material roll, thus releasing the material; the material passes through the material storage mechanism (38), and then through the material brushing mechanism (39), where bristles perform a powder brushing treatment on the material; then the material passes through the material cutting mechanism (41), and a driving cylinder (18) drives a cutter (20) to descend until the material is cut off; a suction cup (25) is driven by a linear module and a lifting module to hold the material by suction and place the material on a supporting plate (35); and a material pushing cylinder drives a material pushing block (36) to push and displac
Resumen de: WO2025166013A2
A composite powder is useful for making cathodes and is comprised of cathode material particles coated by carbon and a stabilizer such as carboxymethylcellulose or salt thereof. The composite powder may be made by a milling a slurry comprised of a polar solvent (e.g., water) having therein cathode material particles, carbon particles and a stabilizer to form a milled mixture, the cathode material particle's specific surface area in m2/g being at least an order magnitude less than the carbon particles' specific surface area in m2/g, and removing the solvent to form a dried mixture comprised of secondary particles of milled disordered rocksalt particles coated with milled carbon particles and stabilizer.
Resumen de: WO2025165823A1
Disclosed herein is an apparatus for separating lithium ions from solution. The apparatus includes a first lithium selective reactor. The first lithium selective reactor includes a lithium selective electrode configured to absorb lithium ions from the solution, a separator, and a counter electrode. The apparatus further includes a lithium rejective reactor. The lithium rejective reactor includes a lithium rejective electrode, a separator, and a counter electrode.
Resumen de: WO2025163795A1
A battery mounting structure comprises: a center module (15) which is among a plurality of battery modules (30) that are disposed side by side in the vehicle width direction of a vehicle in an internal space (20A) of a battery pack case (20) mounted in the vehicle and that are of equal length in the vertical direction of the vehicle, and which is disposed in a center part in the vehicle width direction; and side modules (16) which are among the plurality of battery modules (30), which are respectively disposed at both ends in the vehicle width direction, and which are disposed so as to protrude upward with respect to the center module (15).
Resumen de: WO2025164364A1
A positive electrode (11) has one or more positive-electrode core exposed parts which are each adjacent to a positive electrode mixture layer in the positive electrode width direction and, in each of which, a positive electrode core is exposed. Positive electrode tabs (20) are joined to the positive-electrode core exposed parts one by one. At least a portion of a negative-electrode core body exposed part (43) comes into contact with the inner circumferential surface of an exterior can. A tape is attached to the outermost circumferential surface of an electrode body (14) so as to extend across at least a portion of a winding outer end (12a) of a negative electrode (12). The winding outer end (12a) of the negative electrode (12) is positioned outside a winding outer end (11a) of the positive electrode (11) by a length exceeding one turn.
Resumen de: WO2025164179A1
A Q-OCV curve generating unit (112) extracts voltage data that can be regarded as an open circuit voltage (OCV), on the basis of battery data for a fixed period, calculates a capacity Q when the extracted voltage data were measured, and generates a Q-OCV curve. An inflection point extracting unit (113) extracts an inflection point of the Q-OCV curve. A deterioration estimating unit (115) estimates deterioration of a secondary battery on the basis of a plurality of the inflection points extracted respectively from a plurality of the Q-OCV curves generated on the basis of the battery data for each of a plurality of fixed periods.
Resumen de: WO2025164066A1
According to the present invention, battery temperature rise processing is executed in an electric circuit to which electric power is transferred while being stepped down in a specific electric power transfer direction. The electric circuit comprises a first battery, a second battery, a three-phase motor, an inverter circuit, and a control circuit. The battery temperature rise processing includes a voltage difference adjustment process for adjusting a voltage difference that is obtained by subtracting an output voltage of the second battery from an output voltage of the first battery so that the voltage difference becomes equal to or greater than a reference value, and a periodic electric power transfer process for causing the inverter circuit and a converter circuit that is configured from the windings of the three-phase motor to alternately and repeatedly execute a first electric power transfer operation in which electric power is transferred from the second battery to the first battery while being stepped up and a second electric power transfer operation in which electric power is transferred from the first battery to the second battery while being stepped down. The amplitude of the voltage difference in the periodic electric power transfer process is less than the reference value.
Resumen de: WO2025165857A1
Disclosed herein is a mother slurry comprising high aspect ratio carbonaceous material, a solvent, a dispersant agent comprising hydrogenated nitrile butadiene rubber (HNBR) and a cathode active material. A solvent free method of preparing an electrode slurry including a carbonaceous conductive material, a plasticizer, an active material, and a polymer binder to from an electrode slurry. The electrode slurry has a fluorine content of less than about 900 parts per million.
Resumen de: WO2025165673A1
Embodiments included herein are directed towards a method and a system for a battery management system (BMS). Embodiments of the present disclosure may include connecting multiple BMSs running on a software in at least one of pack mode configurations using a primary isolated controller area network (CAN) interface and a secondary isolated CAN interface of at least one BMS. The pack mode configurations may include one or more of : a parallel pack mode, a series pack mode, and a parallel/series hybrid pack mode. Embodiments may further include automatically identifying and configuring each BMS of the multiple BMSs either as a follower BMS or a leader BMS. Embodiments may also include aggregating battery measurement data associated with either the follower BMS or the leader BMS to calculate unified data to be exchanged with an external controller.
Resumen de: WO2025165669A1
Provided are battery binder compositions. In embodiments, a battery binder composition comprises cellulose in the form of nanocellulose or microcellulose, the cellulose comprising electrode binding groups and solvent dispersing groups; and a non-aqueous solvent system. Battery electrodes and batteries comprising the battery binder compositions are also provided.
Resumen de: WO2025165715A1
Disclosed herein are halide-based solid electrolytes with high ionic conductivity for all-solid-state sodium ion batteries. For example, disclosed herein are solid electrolytes comprising: ABCλ-2x-zDx+y, wherein: A is chosen from Li, Na, K, Mg, Ca, Zn, Al, In, Fe, and combinations thereof; B is chosen from Ca, Mg, Zn, In, V, Nb, Ta, Mn, Ti, Zr, Hf, Fe, Co, Ni, Al, Ga, and combinations thereof; C is chosen from F, Cl, Br, I, and combinations thereof; D is chosen from O, S, Se, Te, and combinations thereof; λ is an integer chosen from 4, 5, and 6, such that the solid electrolyte is charge neutral; 0 < x < 1; 0 < z < 2; and 0 < y < 1.
Resumen de: WO2025165734A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with battery cells having multimodal size distribution particles as part of the active material of its electrode(s).
Resumen de: WO2025165085A1
Technical idea of the present invention provides a battery pack. The battery pack comprises: a first side frame including a first inlet channel and a first outlet channel; a center frame including a first center channel communicating with the first inlet channel; a front frame including a first front channel communicating with the first outlet channel; a first cell assembly arranged between the center frame and the front frame; and a top cover which covers the first cell assembly and which includes a first upper channel that connects the first center channel to the first front channel.
Resumen de: WO2025163962A1
Provided is a manganese zinc secondary battery that makes it possible to extend cycle service life. A zinc secondary battery according to the present invention comprises: a positive electrode that includes a positive electrode active material layer containing manganese dioxide; a positive electrode electrolyte in which the positive electrode is immersed; a negative electrode that includes a negative electrode active material layer containing at least one substance selected from the group consisting of zinc, zinc oxide, zinc alloys, and zinc compounds; a negative electrode electrolyte in which the negative electrode is immersed; and a layered double hydroxide (LDH) separator including a hydroxide-ion-conductive layered compound that is a LDH and/or a LDH-like compound, the LDH separator isolating the positive electrode and the positive electrode electrolyte from the negative electrode and the negative electrode electrolyte in a manner that allows conduction of hydroxide ions. The zinc secondary battery includes a zinc ion scavenger at a position where it is possible to capture zinc ions that have been eluted from the negative electrode and reached the positive electrode electrolyte.
Resumen de: WO2025163608A1
The present invention relates to a system (100) for generating electrical energy from a volume of water. The system (100) comprises a base layer (20) and a collection layer (60). The base layer (20) includes a substrate (30) with a plurality of cavities (40) dimensioned to hold water, each cavity having a surface coating (50). Inlet (60a) and outlet (60b) channels facilitate water circulation through the cavities, enabling the formation of a charge-separated zone. The collection layer (40) includes conductive elements (70) aligned with the charge-separated zone to extract electrical energy by creating a potential difference. The layers are assembled to ensure precise alignment and are sealed to prevent leakage. A low molar ion concentration aqueous solution (85) sustains the charge-separated zone (80), allowing efficient and continuous energy extraction when connected to an external load.
Resumen de: WO2025163585A1
Systems and methods for detecting intermittent connections in a battery energy storage system (BESS) subsystem are disclosed. For each battery rack in the BESS subsystem, current time series data is received. A current rolling average is determined for each data point of the time series data by averaging current values of timestamps over a specified time interval. A current delta is determined for each data point, where the current delta is a difference between the current rolling average associated with the battery rack under analysis and a mean of the current rolling averages associated with the other battery racks in the BESS subsystem. A distribution profile of the current deltas is analyzed to detect a current anomaly at the respective battery rack. In response to detecting the current anomaly at the battery rack under analysis, an alert indicative of a faulty connection is displayed on a user interface.
Resumen de: WO2025163645A1
Energy backup systems and methods are provided, which combine an aluminum air sub-system having one or more replaceable aluminum air modules with multiple aluminum air cell stacks with a rechargeable buffer. The backup systems and methods provide electricity upon requirement from the rechargeable buffer, monitor the statuses of the rechargeable buffer and the aluminum air sub- system as well as the electricity consumption of the load which the system backups - and determine respectively the operation profile of the aluminum air sub-system to supply electricity to the load and to recharge the buffer when needed, optimizing the operational parameters with respect to the operation and configuration of the aluminum air sub-system and the buffer(s), from the system configurations and self-testing, through management of maintenance procedures and down to the configuration and operation of a large number of cell stacks.
Resumen de: WO2025163218A1
A system and method for determining an internal state of a battery that synchronizes the overall available charge and discharge power with the present charge and discharge current limits. The system can be operated to determine a current limit for the battery according to an internal state of the battery, a voltage-based current limit, and a merged current limit. The system may also be configured to determine an expected voltage based on the current limit, and to optionally determine an overall available power output based on the current limit and the expected voltage.
Resumen de: WO2025162586A1
The invention relates to a storage battery cell for a lead-acid storage battery, in particular a VRLA-AGM storage battery, having a cell housing, wherein alternating positive and negative electrode plates and an electrolyte in liquid or fleece-bonded form are arranged within the cell housing, wherein the negative electrode plates are each formed from an electrode grid and a negative active mass, and wherein the positive electrode plates are each formed from an electrode grid and a positive active mass, wherein each electrode grid is filled with the associated active mass, characterized in that the electrode grid of the positive electrode is formed from a lead-tin alloy consisting of 0.018 wt.% - 0.5 wt.% Sn, remainder Pb.
Resumen de: EP4597664A1
Disclosed is a lithium secondary battery including: a positive electrode; a negative electrode; a porous separator disposed between the positive electrode and the negative electrode; a spacer disposed between the separator and at least one of the positive electrode and the negative electrode; and a non-aqueous electrolyte having lithium ion conductivity, wherein, on the negative electrode, lithium metal is deposited during charging, and the lithium metal is dissolved during discharging, the spacer includes insulating particles, a binder resin, and a thickener, the insulating particles have a median diameter in a volume-based particle size distribution, of 1.0 µm to 10 µm, the binder resin includes a polymer compound having a phthalic acid skeleton, and the thickener includes at least one selected from the group consisting of carboxymethyl cellulose and a carboxymethyl cellulose salt. Accordingly, it is possible to obtain a lithium secondary battery including a spacer with excellent physical properties.
Resumen de: EP4597640A1
An object of the present invention is to provide a current collector in which cracking and the like hardly occur in a mixture layer at the time of preparing an electrode. A current collector for solving the above issues is a current collector including: a substrate containing a metal; and a coating layer disposed on at least one surface of the substrate. The coating layer contains a vinylidene fluoride polymer A and a conductive auxiliary. The vinylidene fluoride polymer A contains a structural unit derived from vinylidene fluoride and a structural unit derived from a compound having a specific structure.
Resumen de: EP4597791A1
A secondary battery system (100) is a secondary battery system including a battery bank 3 including a battery rack (B) including a plurality of battery cells connected in series and a power converter (2) for charging and discharging a power system by one or a plurality of the battery racks connected in parallel, the secondary battery system includes a switch (4) that enables the battery rack (B) included in the battery bank (3) to be switched to a power converter of another battery bank; and a controller (5) that monitors a deterioration rate or an age of use of the battery rack (B) and controls the power converter (2) and the switch (4), in which the controller (5) instructs the switch (4) about a power converter to be connected based on the deterioration rate or the age of use of the battery rack (B).
Resumen de: CN119998985A
The invention relates to a thermal conditioning device (5) for a battery, comprising: a housing (3) having at least two side walls (3A) and a circuit (5A) for the circulation of a heat transfer fluid and capable of accommodating a battery comprising at least two battery cells (1A), the heat transfer fluid circulating around the cells (1A) being supplied and discharged by an input collector (5B) and an output collector (5C). According to the invention, a spacer (5F) is mounted between the cells (1A), at least one collector (5B, 5C) extends along the side wall (3A), a circuit (5A) of heat transfer fluid is at least partially defined by the spacer (5F), and at least two apertures (5F. 2a, 5F. 2b) are arranged on the spacer (5F), each aperture (5F. 2a, 5F. 2b) leading to an input collector (5B) and an output collector (5C), respectively.
Nº publicación: EP4595142A1 06/08/2025
Solicitante:
RICOH CO LTD [JP]
Ricoh Company, Ltd
Resumen de: CN120077499A
This porous insulating layer imparting object is provided with: a base material; and an adhesive porous insulating layer on the base material. The adhesive porous insulating layer is a porous structure having a co-continuous structure having a resin as a skeleton, and the resin is a crosslinked resin. In a peel strength measurement method using an element for measuring peel strength, the peel strength of an adhesive porous insulating layer is 2 N/m or more, and the element for measuring peel strength is obtained by: preparing a base material, as one of two base materials each having a size of 30 mm * 100 mm, forming a base material having a thickness of 30 mm * 100 mm; an adhesive porous insulating layer is provided by disposing an adhesive porous insulating layer on the entire surface of each of the two substrates, and the adhesive porous insulating layers face each other and are thermally bonded at a temperature of 140 DEG C and a cylinder thrust of 500 N for 1 minute.
BOPI
Sede Electrónica
