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ALL-SOLID-STATE BATTERY

Resumen de: WO2025234101A1

An all-solid-state battery (1A) comprises a collector foil assembly (20A) that includes a plurality of collector foils that electrically connect an electrode stack (10) and a tab lead (30A). The collector foil assembly (20A) comprises a stacked portion (24) in which a plurality of collector foils are stacked so that adjacent collector foils are in contact with each other, and an interposed portion (23) that is formed from a plurality of collector foils extending from the electrode stack (10) toward the stacked portion (24). The stacked portion (24) includes a curved portion (242) that is formed by bending the plurality of collector foils.

DEVICE FOR SUPPLYING SEPARATOR FOR SECONDARY BATTERY, AND METHOD FOR SUPPLYING SEPARATOR FOR SECONDARY BATTERY

Resumen de: WO2025234680A1

A device for supplying a separator for a secondary battery, related to one embodiment of the present invention, comprises: a plurality of separator modules for supplying a separator to a separator travel path of a lamination process; and a housing which can accommodate the plurality of separator modules, and which has a guide rail that connects the separator travel path and an entrance in a direction different from the travel direction of the separator, wherein the plurality of separator modules are mounted in the housing so as to move in the direction of getting closer to or getting farther from the entrance along different guide rails, are positioned at a supply position on the separator travel path during a supply mode, and are positioned at a replacement position that can be exposed to the outside of the housing during a replacement mode.

SOLID ELECTROLYTE FOR ALL-SOLID-STATE BATTERY

Resumen de: WO2025234589A1

The present invention relates to a solid electrolyte for an all-solid-state battery. A solid electrolyte for an all-solid-state battery according to an embodiment of the present invention is composed of an oxide containing Li, Mo, B, and Cl.

SUPERIONIC CONDUCTOR AND ELECTROCHEMICAL CELL COMPRISING SAME

Resumen de: WO2025234756A1

The present application presents a technology related to an electrochemical cell and, specifically, relates to a superionic conductor, a manufacturing method therefor, and an electrochemical cell comprising same, the conductor comprising a composite compound, which includes a first complex hydride and a second complex hydride that is different from the first complex hydride and is dissolved therein.

BIPOLAR UNIT CELL AND BIPOLAR BATTERY COMPRISING SAME

Resumen de: WO2025234605A1

According to one embodiment of the present invention, a bipolar unit cell and a bipolar battery structured such that two or more bipolar unit cells are stacked therein are provided, the bipolar unit cell comprising: a cathode current collector; a cathode material layer formed on one surface of the cathode current collector; an anode current collector; an anode material layer formed on one surface of the anode current collector; a separator; a stack in which the cathode material layer and the anode material layer are stacked to face each other with a separator therebetween; and a sealing unit, which is attached from the other side of the cathode current collector to the other side of the anode current collector so as to integrally form the stack and seal the inner part thereof, wherein a conductive layer is formed on the outside of the cathode current collector and/or the anode current collector.

REFRIGERATION CYCLE APPARATUS

Resumen de: WO2025234209A1

This refrigeration cycle apparatus is provided with a refrigeration cycle (10) having a compressor (11), a heating unit (20), a branch unit (13), an auxiliary heat dissipation unit (14), a first decompression unit (15a), a first evaporator (16), a second decompression unit (15b), and a second evaporator (17). The heating unit includes a radiator (12) for radiating the heat of a high-pressure refrigerant compressed by the compressor, and heats an object to be heated by the heat of the high-pressure refrigerant. The auxiliary heat dissipation unit dissipates heat from one of the refrigerants flowing out from the branch unit to an object to be dissipated. The first decompression unit decompresses the refrigerant flowing out from the auxiliary heat dissipation unit. The refrigeration cycle device has a heating mode and a cooling mode. The heating mode includes an operation mode in which inflow of the refrigerant to the auxiliary heat radiation unit is blocked as an operation mode for heating the object to be heated by using the refrigerant discharged from the compressor as a heat source. The cooling mode includes an operation mode in which inflow of the refrigerant to the second evaporator is blocked as an operation mode for cooling a first object to be cooled by the first evaporator.

ELECTRODE AND SECONDARY BATTERY

Resumen de: WO2025234860A1

The present disclosure relates to an electrode. The technical problem to be solved is to provide an electrode with a reinforced substrate. To this end, the present disclosure provides an electrode comprising: a substrate; a coating layer provided on a first region which is a part of the substrate; a reinforcing layer provided on a second region which is another part of the substrate; and a tab provided on the second region and electrically connected to the substrate.

SECONDARY BATTERY

Resumen de: WO2025234560A1

The present disclosure relates to a secondary battery. The secondary battery cell comprises: an electrode assembly including a first electrode and a second electrode; a case including a bottom portion, a side wall portion connected to the bottom portion, and an upper opening opposite the bottom portion, the case accommodating the electrode assembly; and a cap assembly coupled to one end of the side wall portion of the case, wherein the cap assembly may include: a first terminal electrically connected to the first electrode; and a first insulating member disposed between the first terminal and the case.

THERMAL BARRIER PAD, BATTERY PACK, AND BATTERY MODULE

Resumen de: WO2025234618A1

Provided is a thermal barrier pad comprising: a porous heat-insulating absorber having a first main surface and a second main surface; a heat-absorbing solution composition absorbed in the heat-insulating absorber; a heat-conducting sheet covering at least one of the first main surface and the second main surface of the heat-insulating absorber; and a heat-dissipating pouch surrounding the heat-insulating absorber and the heat-conducting sheet and including a metal layer, wherein the heat-absorbing solution composition comprises: about 0.20 wt % to about 0.45 wt % of a surfactant; about 0.3 wt % to about 5.0 wt % of a thickener; and about 60 wt % to about 80 wt % of water.

DRY ELECTRODE AND MANUFACTURING METHOD THEREOF

Resumen de: WO2025234839A1

The present invention relates to a dry electrode, comprising a binder polymer having a complex viscosity of 1500 Pa·s or less at 180 °C and at 0.1 Hz. The dry electrode according to the present invention can provide sufficient discharge capacity while significantly reducing the amount of VOC generated during manufacturing. In addition, mechanical strength can be sufficiently secured without using a fiberization method for the binder polymer.

SOLID ELECTROLYTE SLURRY AND METHOD FOR PRODUCING SAME

Resumen de: WO2025234529A1

The present invention relates to a solid electrolyte slurry and a method for producing same and, more particularly, to a method for producing same comprising: a first step of mixing a solid electrolyte, a solvent, and a first binder to perform a first kneading process on a slurry mixture adjusted to a first solid content; a second step of adjusting the slurry mixture on which the first kneading process has been performed to a second solid content, and performing a multi-stage kneading process on the slurry mixture; and a third step of adjusting the slurry mixture on which the multi-stage kneading process has been performed to a third solid content, and performing a mixing process on the slurry mixture. The first solid content is greater than the second solid content, the second solid content is greater than the third solid content, and either of the second step and the third step includes additionally adding a second binder.

ANODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2025234868A1

An anode and a lithium secondary battery comprising same are presented, the anode comprising: an anode current collector; and a protective layer disposed on the anode current collector and including a cross-linked polymer including a repeating unit derived from two or more types of multi-functional cross-linking agents, wherein the cross-linked polymer has a cross-linking density (g/n) of 300 or less.

AN ELECTRODE COMPOSITE, AN ELECTRODE AND PROCESSES THEREOF

Resumen de: WO2025233970A1

The present disclosure provides an electrode composite, comprising: i) an active material; ii) a cohesive binder; and iii) a fibrillating binder, wherein the cohesive binder is coated on the surface of the active material in a range of 40 to 50% of the total surface of the active material; and wherein the cohesive binder is a polyvinylidene fluoride (PVDF) copolymer, poly acrylic acid (PAA), polyvinylpyrrolidone (PVP), siloxane-based binders, or mixtures thereof. The present disclosure further provides a process of preparing the electrode using the electrode composite.

CONTROL METHOD FOR ELECTRIC VEHICLE AND CONTROL SYSTEM FOR ELECTRIC VEHICLE

Resumen de: WO2025234060A1

Provided is a control method for an electric vehicle that includes a motor, an inverter that sends and receives power to/from the motor, and a battery that is warmed up by exhaust heat from the motor and/or the inverter. The control method involves calculating a first current command value on the basis of a torque command value, calculating a voltage command value for operating the inverter on the basis of a value obtained by multiplying the difference between the first current command value and a current detection value for the motor by a prescribed gain, and, when it has been determined to be necessary to warm up any warm-up target from among the motor, the inverter, and the battery, calculating a second current command value for causing the motor and the inverter to produce heat and transitioning the current command value for calculating the voltage command value from the first current command value to the second current command value. The gain at the time that the current command value is transitioned from the first current command value to the second current command value is set to a second gain that is greater than a first gain that is the gain immediately before the current command value is transitioned from the first current command value to the second current command value.

RESIN FILM FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE

Resumen de: WO2025234420A1

Provided is a resin film for a power storage device, said film being capable of suitably absorbing gas inside of the power storage device, and capable of suppressing the occurrence of wrinkles, dents, and the like in an outer casing when vacuum-sealing a power storage device element.　This resin film for a power storage device is disposed between an outer casing of a power storage device and a power storage device element. The resin film for a power storage device comprises a gas absorbing agent and a porous resin layer.

COOLING STRUCTURE FOR VEHICLE-MOUNTED BATTERY

Resumen de: WO2025234049A1

Provided is a cooling structure for a vehicle-mounted battery, whereby a battery pack can be efficiently cooled with a simple configuration, a rise in temperature of the battery pack can be prevented, and battery performance can be maintained, and in addition, a variation in temperature among a plurality of battery packs can be suppressed, and output restrictions and accelerated battery degradation can be avoided.　The cooling structure for the vehicle-mounted battery is for cooling a battery mounted under the floor of a vehicle. The battery has a plurality of battery packs arranged along the front-rear direction of the vehicle. A first air flow passage through which cooling air (traveling wind) introduced from the front of the vehicle flows is formed above the plurality of battery packs. A second air flow passage through which the traveling wind introduced from the front of the vehicle flows is formed at the lower side of the plurality of battery packs, and a cooling air flow passage through which the cooling air introduced from the first air flow passage flows is formed in each arrangement gap between the plurality of battery packs. A negative pressure suctioning part that draws air into the cooling air flow passages by a negative pressure suctioning action generated by the flow velocity of the traveling wind is formed in the second air flow passage.

CONTROL METHOD FOR BIDIRECTIONAL CHARGE/DISCHARGE DEVICE, AND BIDIRECTIONAL CHARGE/DISCHARGE DEVICE

Resumen de: WO2025234125A1

One embodiment of the present invention is a control method for a bidirectional charge/discharge device that can be connected between a battery of an electric automobile and a power system. The bidirectional charge/discharge device comprises: a battery voltage acquisition unit that acquires the voltage of the battery; a DC/DC converter that is configured to be connected to the battery and that has a switching element; an AC/DC converter that is configured to be connected to the power system and that has a switching element; a smoothing capacitor that is disposed between the AC/DC converter and the DC/DC converter; a voltage sensor that senses the voltage between the two ends of the smoothing capacitor; and a control unit that controls the AC/DC converter and the DC/DC converter. The control unit, in a standby state, performs control so that operation of the DC/DC converter is halted and the AC/DC converter operates intermittently, thereby maintaining the voltage between the two ends of the smoothing capacitor so as to be equal to or greater than the system voltage of the power system and less than the voltage of the battery.

BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT METHOD

Resumen de: WO2025234305A1

Provided is a battery management system that makes it possible to start each process after replacement of a battery without providing an operation unit for instructing starting of an authentication process or a pairing process between communication terminals. This battery management system for managing a battery that has a plurality of battery modules built in comprises: a disconnection device that is disposed on a main circuit wire that connects the battery and a load; a communication unit that is provided for each battery module, said communication unit transmitting a signal related to a state of the battery module; and a battery management unit that manages the states of the battery modules on the basis of the signals received from the communication units, wherein the battery management unit includes a detection unit that detects the electrical connection state of the main circuit wire by the disconnection device, and a determination unit that determines that at least one of authentication start conditions of the communication unit is satisfied when the detection unit indicates that the electrical connection state has changed from an interrupted state to a conductive state.

POWER STORAGE ELEMENT

Resumen de: WO2025234320A1

A power storage element according to the present invention comprises a wound electrode body and a current collector, wherein: the current collector includes a flat plate-like electrode body connection part which extends in a first direction; the electrode body includes a body part and a tab part which is connected to the electrode body connection part; the body part includes a pair of curved parts which face each other in the first direction and an intermediate part which is provided between the pair of curved parts; the tab part protrudes from the intermediate part toward the electrode body connection part; and the electrode body connection part faces the entire region of the intermediate part in the first direction.

THERMAL INSULATION MEMBER, PACKAGING METHOD, BATTERY PACK, AND VEHICLE

Resumen de: WO2025232871A1

The present application provides a thermal insulation member, comprising: a thermal insulation core material, comprising a bottom surface and a top surface arranged opposite to each other, two side surfaces arranged opposite to each other, and two end surfaces arranged opposite to each other; and a film material, wrapping the outer side of the thermal insulation core material to package the thermal insulation core material, the film material being folded over from the bottom surface to the top surface along the two side surfaces, respectively, and forms a first overlapping part on the top surface. The film material further forms second overlapping parts on the two end surfaces, respectively, and each second overlapping part comprises a first overlapping layer, a second overlapping layer, and a third overlapping layer which are stacked. The first overlapping layer is folded over from the corresponding side surface to the thermal insulation core material. The second overlapping layer is folded over from the top surface to the corresponding end surface to partially overlap the corresponding first overlapping layer. The third overlapping layer is folded over from the bottom surface to the end surface to partially overlap the corresponding second overlapping layer. The film material further comprises a first attaching part, and the first attaching part extends from the third overlapping layers to the top surface and is attached to the corresponding part of the film material. The p

STACKING DEVICE, STACKED BATTERY CELL STRUCTURE AND MANUFACTURING METHOD FOR STACKED BATTERY CELL STRUCTURE

Resumen de: WO2025232655A1

Provided in the present invention are a stacking device, a stacked battery cell structure and a manufacturing method for a stacked battery cell structure. The stacking device is used for stacking composite electrode sheet strips. The stacking device comprises a frame; a transfer assembly, rotatably provided on the frame around a first axis, the transfer assembly being provided with a plurality of suction stations, the plurality of suction stations being arranged in the circumferential direction of the first axis, and each suction station having a vacuum state for suctioning a composite electrode sheet strip and a vacuum breaking state for releasing the composite electrode sheet strip; and a stacking assembly, located on one side of the transfer assembly, the stacking assembly comprising a mounting component and a stacking component, the mounting component being arranged on the frame, the stacking component being configured to be capable of clamping the composite electrode sheet strip, and the stacking component being movably mounted on the mounting component, so that the stacking component can get close to or away from the transfer assembly. The technical solution of the present invention solves the problem of difficulty in effectively improving the stacking efficiency of stacked battery cells in the prior art.

HIGH-PERFORMANCE SODIUM BATTERIES AT ULTRALOW TEMPERATURES

Resumen de: WO2025234942A1

The present disclosure relates to a sodium-metal cell comprising (a) an anode; (b) an electrolyte comprising a base electrolyte containing diglyme and sodium hexafluorophosphate, dioxolane, and tris(trimethylsilyl)borate; and (c) a cathode comprising sodium or Na2/3Cu1/12Ni1/4Mn2/3O2, having a high mass loading of at least 15 mg cm-2, wherein the sodium-metal cell enables stable cycling at a temperature of -40 °C or lower.

IMPURITY MANAGEMENT PROCESS FOR LITHIUM-ION BATTERY RECYCLING

Resumen de: WO2025235821A1

Methods are provided for removing impurities from recycled battery black mass. The method includes mixing a delithiated black mass with a first solution to form a pre-leached delithiated black mass and a pre-leach solution, separating the pre-leached delithiated black mass from the pre-leach solution, mixing the separated pre-leached delithiated black mass and a second aqueous solution to form a mixture comprising graphite and a leachate solution, and separating the graphite and the leachate solution. The pre-leach solution is comprised of a first group of impurity ions while the leachate solution is comprised of a second group of impurity ions and cathode metal ions.

LITHIUM IRON PHOSPHATE MATERIAL AND METHODS OF FORMING AND USING SAME

Resumen de: WO2025235958A1

Methods of forming lithium iron phosphate cathode material and cathodes and electrochemical cells formed using the methods and/or including the cathode material are disclosed. Exemplary methods include forming iron nanotubes and/or solid state processing.

CARBOXYLATE ESTER-BASED ELECTROLYTES FOR SODIUM BATTERIES

Nº publicación: WO2025235655A1 13/11/2025

Solicitante:

UNIV OF UTAH RESEARCH FOUNDATION [US]
UNIVERSITY OF UTAH RESEARCH FOUNDATION

Resumen de: WO2025235655A1

An electrolyte for sodium ion batteries can comprise a salt comprising one or more of sodium bis (fluoro sulfonyl) imide (NaFSI) salt, NaOTf, NaTFSI, NaBF4, NaPFe, and NaCICh, and an electrolyte solvent comprising at least one carboxylate ester as a dominant solvent. A sodium ion battery cell (100) can comprise the electrolyte (140) having a salt comprising one or more of NaFSI salt, NaOTf, NaTFSI, NaBF4, NaPFe, and NaC104, and an electrolyte solvent comprising at least one carboxylate ester as a dominant solvent. The battery cell (100) can also include an anode (130) in electrical contact with the electrolyte (140) and a cathode (150) in electrical contact with the electrolyte (140). A casing (120) can enclose the electrolyte (140), the anode (130), and the cathode (150) sufficient to prevent oxygen and moisture from entering the casing (120).