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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 350 to 375 of 1358
Absstract of: WO2025259532A1
Wirelessly rechargeable battery systems are described. The wirelessly rechargeable batteries have a standardized consumer form factor, such as AAA, AA, C, D, or the like and can be used in consumer devices designed to operate using such consumer batteries. The wirelessly rechargeable batteries may be wirelessly recharged without removing the batteries from the consumer device by placing the consumer device (containing the batteries) near a wireless recharger.
Absstract of: WO2025259424A1
Disclosed herein is a battery (e.g., a Li-ion battery) comprising: an anode comprising bismuth ferrite and a binder; a cathode; and an electrolyte comprising a lithium compound and a fluoroethylene carbonate (FEC) additive. Batteries with a bismuth ferrite anode having a carboxymethyl cellulose (CMC) binder and a lithium-containing electrolyte with FEC additive, show a capacity of up to 750 mAh/g at 100 mA/g and high capacity retention, with over 400 mAh/g at 500 mA/g after 1,000 cycles.
Absstract of: WO2025259955A1
The present disclosure pertains to redox molecules with structures described herein. The present disclosure also pertains to an electrode that includes the molecules. The electrode may include a cathode. The present disclosure also pertains to an electrochemical cell with a cathode that includes a molecule of the present disclosure. The electrochemical cell may include a solid-state battery that includes: a cathode with a molecule of the present disclosure, an anode, and a solid electrolyte between the cathode and the anode.
Absstract of: WO2025259511A2
A battery pack comprises an enclosure, and a plurality of batteries arranged within the enclosure. Each battery includes one or more electrochemical cells, and a case structured to contain the one or more electrochemical cells in an interior space of the case. Each case comprises a first end wall, an opposite second end wall, and a multi-sided wall connecting the first end wall and the second end wall thereby defining the interior space of the case. A multi-sided wall of the case of at least one of the batteries comprises at least one inwardly directed recess having a first section dimensioned to matingly engage a second section of a multi-sided wall of another of the batteries when the plurality of batteries are arranged within the enclosure.
Absstract of: WO2025257840A1
The present invention relates to a system (100, 200) and a method (300) for securing a unique identification number (UID) of a battery (102, 202). The system (100, 200) has a battery (102, 202) and a storage medium (104, 210). The battery (102, 202) has a unique identification number (UID) and the storage medium (104, 210) is configured to store the unique identification number (UID). The system (100, 200) further has a control unit (106, 204). The control unit (106, 204) is operably connected to the battery (102, 202) and the storage medium (104, 210). The control unit (106, 204) includes a cryptographic module (110, 208) and an authentication module (112, 206). The cryptographic module (110, 208) is configured to lock the unique identification number (UID) through a cryptographic key. The authentication module (112, 206) is configured for unlocking the unique identification number (UID).
Absstract of: WO2025258604A1
Provided is a high-capacity all-solid-state secondary battery. This all-solid-state secondary battery is characterized by: including a positive electrode, a negative electrode, and a solid-state electrolyte layer disposed between the positive electrode and the negative electrode; and an intermediate layer, containing a fibrous resin and a solid-state electrolyte, being interposed between the negative electrode and the solid-state electrolyte layer.
Absstract of: WO2025258394A1
A power storage device (10) is provided with: at least one power storage cell (100); a bottom wall (235) that is disposed below the at least one power storage cell (100); and a structural member (300) that is provided on the bottom wall (235). A safety valve (SV) is provided on the lower surface (114a) of the power storage cell (100). The at least one power storage cell (100), the bottom wall (235), and the structural member (300) define a space (S) below the at least one power storage cell (100).
Absstract of: WO2025258393A1
A power storage device (10) is provided with: at least one power storage cell (100); a top wall (220) that is provided above the power storage cell; opposing walls (212, 240) that face the power storage cell in the width direction; and a support member (300) that supports the power storage cell. The opposing walls extend downward from the top wall (220). The support member (300) supports the lower surface (114a) of both ends of the power storage cell (100) in the width direction.
Absstract of: WO2025258193A1
A battery unit (11) comprises: battery sections (21); battery monitoring devices (30) that detect battery information and transmit the battery information by wireless communication; a battery control device (40) that receives battery information from the battery monitoring devices by wireless communication; and an electrically conductive housing (50) that houses the battery sections (21), the battery monitoring devices (30), and the battery control device (40). In the battery unit (11), the interior of the housing houses one or a plurality of the battery sections, and comprises radio wave intrusion suppression members (81) that close at least a portion of a gap between the battery sections and the housing and gaps (25) between the battery sections.
Absstract of: WO2025259856A1
Electrodialysis is used with selective and bipolar ion-exchange membranes to recycle cations, such as lithium from spent lithium-ion batteries. The process focuses on two key stages: (a) selective electrodialysis (SED) to isolate selected cations, such as lithium, from multivalent transition metals to produce a selected-cation-enriched stream and (b) bipolar membrane electrodialysis (BMED) to produce a purified selected-cation-hydroxide stream and a hydrochloric acid stream from the selected-cation-enriched stream.
Absstract of: WO2025259070A1
An electrolyte for a lithium secondary battery according to embodiments of the present disclosure comprises a lithium salt and a compound containing at least two sulfonate groups and at least one cyclic group. A lithium secondary battery according to embodiments of the present disclosure comprises: an electrode assembly including at least one positive electrode and at least one negative electrode; and the electrolyte.
Absstract of: WO2025259067A1
The present invention relates to a fire-extinguishing agent for a metal fire, and a preparation method therefor. The fire-extinguishing agent of the present invention absorbs exploding heat when a metal fire occurs, and thus is effective for the early suppression of the fire, and forms a glass film over the point of origin of the metal fire, thereby maximizing an oxygen blocking and smothering effect. Particularly, the fire-extinguishing agent of the present invention is a highly eco-friendly fire-extinguishing agent which is highly eco-friendly, completely harmless to the human body, and does not generate any toxic substances at a high temperature at which a fire occurs. The fire-extinguishing agent of the present invention may be used in place of a pouch and a blanket capable of suppressing a lithium battery fire and a metal fire, a filler for a cover for suppressing an electric vehicle fire, and water in a settling tank for extinguishing an electric vehicle fire.
Absstract of: WO2025259066A1
A separator according to the present invention can not only exhibit excellent adhesion to an electrode but also be manufactured as a thin film, leading to superior resistance and ion conductivity properties. Additionally, compared with existing mass-produced products, the separator shows improved coating appearance quality, thereby ensuring yield enhancement.
Absstract of: WO2025259852A1
Described herein is an electrochemical device including a first current collector; a composite anode architecture disposed on the first current collector, wherein the composite anode architecture comprises one or more mixed ionic-electronic conductors, one or more alkali metal salts, wherein at least one alkali metal of the alkali metal salts is different from a working alkali metal; and a solid electrolyte disposed on the composite anode architecture. In some embodiments, the electrochemical device further includes a composite cathode disposed on the solid electrolyte and a second current collector disposed on the composite cathode.
Absstract of: WO2025258158A1
A cutting device (10) comprises: a drum-like member (13) having a cylindrical outer shell part (17) in which a slit hole (15) is formed along a drum axial direction (A11); a suction holding means (51) for suctioning and holding a sheet-like member (11) continuously fed from the outside on the surface (sheet suction surface (17a)) of the outer shell part; a rotation mechanism (52) for rotating the outer shell part of the drum-like member in the circumferential direction (rotation direction (A12)); a cutting blade (16) that moves along the slit hole; and a reciprocating motion mechanism (53) for reciprocating the cutting blade in the drum axial direction.
Absstract of: WO2025258157A1
Provided is a battery state detection device capable of more appropriately detecting the state of a secondary battery. This battery state detection device comprises: a reference waveform generation unit that constitutes a circuit including a secondary battery, that detects the state of the secondary battery, and that generates a reference waveform; an application waveform output unit that outputs an application waveform to be applied to the secondary battery on the basis of the reference waveform and that performs feedback correction on the phase difference between the reference waveform and the application waveform; a detection unit that, in a state in which the application waveform has been applied, detects an output signal waveform output from the secondary battery; and an index value acquisition unit that, on the basis of the detection result of the detection unit, acquires an index value indicating the scale of fluctuation occurring in the output signal waveform.
Absstract of: WO2025258004A1
According to the present invention, a rechargeable battery, a method for manufacturing the rechargeable battery, and a method for manufacturing an electrode for the rechargeable battery are provided with: a step for forming electrode slurry that includes an electrode active material, amorphous carbon or a carbon fiber, a thickener, and a binder; a step for applying the electrode slurry to a substrate and then drying the same, thereby forming an electrode coating film on the surface of the substrate; and a step for superposing the substrate having the electrode coating film formed on the surface thereof onto one surface of perforated metal foil including a plurality of through-holes, and then applying a pressure thereto, thereby transferring the electrode coating film to the perforated metal foil.
Absstract of: WO2025259037A1
Provided is a positive electrode active material in the form of secondary particles in which primary particles comprising a lithium transition metal composite oxide are aggregated. The lithium transition metal composite oxide comprises lithium, nickel, and manganese, and additionally comprises molybdenum as a doping element, wherein the molar content of manganese in the lithium transition metal composite oxide is greater than the molar content of nickel. The primary particles have an average particle size of 0.5 μm to 1.5 μm, and the secondary particles have a particle size (D50) of 1.0 μm to 2.5 μm. The positive electrode active material has a large particle size, compression density, and the like even though prepared by sintering at a lower temperature by doping molybdenum, and when the positive electrode active material is applied to an electrode, the average voltage and energy density can be improved.
Absstract of: WO2025259035A1
Provided is a positive electrode active material in the form of secondary particles in which primary particles including a lithium transition metal composite oxide are aggregated. The lithium transition metal composite oxide contains lithium, nickel, and manganese, wherein the molar content of manganese is greater than that of nickel. The primary particles have an average particle size of 50 nm to 500 nm, and the secondary particles have a particle size (D50) of 0.5 ㎛ to 1.5 ㎛. With the characteristics such as particle size, specific surface area, etc., the positive electrode active material can improve battery performance when applied to electrodes, for example by increasing initial discharge capacity and reducing internal resistance.
Absstract of: WO2025259634A1
Lithium-ion batteries, battery modules and battery packs are provided that comprise anti-propagation systems designed to mitigate a thermal runaway condition. A battery module comprises a housing comprising a plurality of lithium-ion battery cells each having a positive terminal and a negative terminal, and a flexible container housing a liquid and positioned adjacent to the positive terminal of at least one of the battery cells. The flexible container comprises a material configured to melt at a temperature at or above a threshold temperature for quenching a thermal runaway event in the battery pack to prevent the thermal runaway from propagating and spreading to other battery cells or modules within the pack. The battery module comprises a reinforcement substrate secured to the flexible container. The reinforcement substrate provides structural rigidity to the flexible container and functions to inhibit thermal runaway eject from passing therethrough to other battery modules within the battery pack.
Absstract of: WO2025259041A1
Disclosed is an air dancer for a high-speed web transfer system, comprising: a web guide unit having an upper roll and a lower roll installed on a web transfer path to be freely rotatable while facing each other in the vertical direction along the web transfer direction, thereby guiding webs in the transfer direction; and a tension control unit for controlling the tension of webs by applying a negative pressure to webs passing between the upper roll and the lower roll.
Absstract of: WO2025259042A1
Disclosed is an electrode plate pick-and-place device comprising: an suction plate for picking up an electrode plate from the preceding device and placing the picked-up electrode plate on the succeeding device; a rotation driving unit for allowing the suction plate to pick up the electrode plate and rotate forward and backward to place the picked-up electrode plate; and a transfer unit for transferring the suction plate to an electrode plate pickup position and a place position.
Absstract of: WO2025257971A1
Provided is a battery control method for an all-solid-state battery (10) comprising: a battery cell (11) in which a positive electrode body (111), a solid electrolyte layer (112), and a negative electrode body (113) are laminated in the Z direction; a pair of restraint plates (14) that have a battery main part (13) for alternately laminating elastic bodies 12 in the Z direction, and sandwich the battery main part (13) from the Z direction; and a plurality of fastening members (15) that fasten the pair of restraint plates (14) to each other. Among the plurality of fastening members (15), a strain gauge (16) that measures the strain of the fastening member (15) is provided to at least two or more different fastening members (15), and the in-plane distribution of the pressure applied to the battery main part (13) is measured on the basis of the difference between the measurement signals output from at least two or more strain gauges (16).
Absstract of: WO2025256664A1
A battery pack and a battery pack manufacturing method. The battery pack comprises cooling plate assemblies (200), and a plurality of battery cell modules (10), which are stacked from top to bottom, wherein the cooling plate assembly (200) is provided between two adjacent cell modules (10), and each cooling plate assembly (200) comprises a first cooling plate (210) and a second cooling plate (220), the first cooling plate (210) supporting the bottom of the battery cell module (10) of the corresponding two adjacent battery cell modules (10) located above, and the second cooling plate (220) covering the top of the battery cell module (10) of the corresponding two adjacent battery cell modules (10) located below; and the mechanical strength of the first cooling plates (210) is greater than the mechanical strength of the second cooling plates (220).
Nº publicación: WO2025256656A1 18/12/2025
Applicant:
SHAOXING SANHUA AUTOMOTIVE THERMAL MANAGEMENT TECH CO LTD [CN]
\u7ECD\u5174\u4E09\u82B1\u6C7D\u8F66\u70ED\u7BA1\u7406\u79D1\u6280\u6709\u9650\u516C\u53F8
Absstract of: WO2025256656A1
A cooling plate, comprising at least two stacked pressure plates, at least one branch flow channel being provided between adjacent pressure plates; the branch flow channel has an inlet and an outlet, and the inlet and the outlet are located on a same side of the cooling plate; the side of the branch flow channel having the inlet is defined as an inlet side, and the other side of the branch flow channel is defined as a return side; the branch flow channel comprises an inlet flow channel and a return flow channel, the inlet flow channel has an inlet, the return flow channel has an outlet, and the inlet flow channel and the return flow channel are in communication at the return side; and a wall forming the branch flow channel is located between the adjacent pressure plates, at least one pressure plate is partially stamped, and the wall forming the branch flow channel is formed by stamping. The cooling plate as a whole exhibits good thermal uniformity. In addition, in the present application, a pressure plate structure having branch flow channel walls is formed by means of a stamping process, so that the structure is easy to implement in mechanized and automated production, facilitating the improvement of production efficiency.
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