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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 750 to 775 of 1089
Absstract of: US20260237719A1
0000 A battery cell pressing pad and a battery cell pressing device including the same, wherein the battery cell pressing pad improves the performance of an all-solid-state battery cell. The battery cell pressing pad presses a battery cell with electrodes and solid electrolyte stacked thereon. The battery cell pressing pad includes a first pressing pad in contact with one side of the battery cell, and presses the one side of the battery cell; and a second pressing pad which is stacked on the first pressing pad and in contact with one side of a pressing jig.
Absstract of: US20260238022A1
A printed circuit board includes a plurality of battery monitoring integrated circuit (BMIC) mounting circuits, each providing an electrical connection for corresponding battery cells, and a connection module providing electrical connections among the first BMIC mounting circuit disposed at one outermost side of the plurality of BMIC mounting circuits, the second BMIC mounting circuit adjacent to the first BMIC mounting circuit, and a first connection terminal, the first connection terminal being connected to a master battery management system (MBMS), the connection module providing a connection between the second BMIC mounting circuit and the first connection terminal when the BMIC is not electrically connected to the first BMIC mounting circuit, and providing connections between the first connection terminal and the first BMIC mounting circuit and between the first BMIC mounting circuit and the second BMIC mounting circuit when the BMIC is electrically connected to the first BMIC mounting circuit.
Absstract of: US20260237640A1
0000 A negative electrode active material, a negative electrode slurry, a negative electrode including the same, and a secondary battery including the negative electrode. The negative electrode active material includes a silicon carbon composite, a carbon layer provided on at least a portion of the silicon carbon composite, and a coating layer of a catechol derivative or a gallol derivative provided on at least a portion of at least one of the silicon carbon composite and the carbon layer.
Absstract of: US20260235701A1
0000 Disclosed herein is a method for short circuit inspection of a secondary battery cell which includes preparing a fully-packaged secondary battery cell, micro-charging the secondary battery cell to a state of charge (SOC) in a range of 0.03% to 0.05%, measuring an open-circuit voltage drop caused by a self-discharge of the micro-charged secondary battery cell, and determining the secondary battery cell as a defective product if a change rate per hour of the measured open-circuit voltage drop exceeds a predetermined reference value.
Absstract of: WO2026168735A1
A battery assembly according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a housing in which the battery cell stack is accommodated; an inlet and an outlet for circulating a coolant into the housing; and at least one cooling spacer positioned at at least one location between the battery cells. The cooling spacer includes at least one cooling hole through which the coolant moves.
Absstract of: WO2026168695A1
The battery unit according to an embodiment of the present invention may comprise: a battery cell stack comprising multiple battery cells; and a cooling plate for cooling the battery cell stack, wherein the cooling plate comprises two inlets through which a refrigerant is introduced and which are formed at different positions, and an outlet through which the refrigerant is discharged; the two inlets comprise a first inlet and a second inlet; and the directions in which the refrigerant is introduced through the first inlet and the second inlet are parallel to the direction in which the multiple battery cells are stacked.
Absstract of: US20260237734A1
A lithium-containing compound is selected from LiNa4InCl8, LiNa2InCl6, Li2Na3InCl8, Li2NaInCl6 and Li4NaInCl8. The lithium-containing compound can be used as a solid electrolyte in a Li solid-state battery and also as a coating for an electrode in a solid-state battery. In an embodiment, a lithium solid-state battery includes a cathode active material layer, an anode active material layer, and a solid electrolyte layer between the cathode active material layer and the anode active material layer, wherein the solid electrolyte layer includes the aforementioned lithium-containing compound. In an embodiment, the battery includes the aforementioned lithium-containing compound as a coating for an electrode.
Absstract of: US20260237678A1
A solid-state battery includes a cathode layer, a solid electrolyte layer, and an anode layer. At least one of the cathode layer and the anode layer includes at least one of a first sulfide solid electrolyte containing a Li element, a P element, a S element, and carbonate ions and a composite sulfide solid electrolyte of a second sulfide solid electrolyte containing a Li element, a P element, and a S element and a carbonate.
Absstract of: WO2026168833A1
An apparatus for controlling ventilation, according to one embodiment of the present invention, is provided in a battery container including one or more batteries, the apparatus comprising: a smoke detection unit for detecting smoke inside the battery container, and outputting a sensing signal when the smoke is detected; and a control unit for controlling, to be a turned-on state, the operation state of a ventilation unit provided in the battery container when the sensing signal is received, and outputting, to an external apparatus, a ventilation operation signal indicating that the operation state of the ventilation unit is controlled to be the turned-on state.
Absstract of: WO2026166298A1
The present disclosure provides a battery cell, a battery device, and an electric device. The battery cell comprises an electrolyte layer and a positive electrode layer; a composite positive electrode active material layer in the positive electrode layer comprises a first positive electrode active material layer close to a positive electrode current collector and a second positive electrode active material layer away from the positive electrode current collector, the two layers both comprise positive electrode active material particles and solid-state electrolyte particles, the solid-state electrolyte particles include first solid-state electrolyte particles and second solid-state electrolyte particles, and the Dv50 of the first solid-state electrolyte particles is less than the Dv50 of the second solid-state electrolyte particles; and the mass fraction of the positive electrode active material particles in the first positive electrode active material layer is less than the mass fraction of the positive electrode active material particles in the second positive electrode active material layer, and the mass proportion of the first solid-state electrolyte particles in the solid-state electrolyte particles is less than the mass proportion of the first solid-stare electrolyte particles in the second positive electrode active material layer in the solid-state electrolyte particles. The battery cell of the present disclosure has good cycle performance and rate performance.
Absstract of: US20260237861A1
A wiring module includes a wiring module case which has a wiring path provided with a wiring member and a connector which has a housing for fixing one end of the wiring member. The wiring module case has a case body which is provided with the wiring path and a cover which is provided on the case body and covers the wiring path. The cover has a cover body which is fixed to the case body and a hinge structure portion which is connected to the cover body on the connector side of the cover body via a hinge, is rotatably provided around an axis of the hinge between an open position and a closed position, and has a wiring member fixing portion for fixing the wiring member on one end side toward the connector by being separated from the wiring path.
Absstract of: WO2026166313A1
The present disclosure provides a solid-state battery cell, a battery device, an electric device and a positive electrode. The solid-state battery cell comprises a positive electrode, an electrolyte layer and a negative electrode, wherein the electrolyte layer is located between the positive electrode and the negative electrode; the positive electrode comprises a positive electrode film layer; the positive electrode film layer comprises a positive electrode active material and a solid-state electrolyte; the positive electrode active material comprises Cu2S and one or more of CuI and a cuprous ion conductor, i.e., Cu6+a+cP1-aAaS5-b+cBbX1-c, where 0≤a<1, 0≤b<1, -1
Absstract of: WO2026168490A1
The present invention provides a binder for use as a component of an electrode of a nonaqueous secondary battery, wherein when an operation comprising step 1 of elongating a test specimen having a length of 25 mm and made of the binder to a length of 30 mm at a constant speed of 5 mm/6 sec and step 2 of contracting the test specimen to a length of 25 mm at a constant speed of 5 mm/6 sec is repeated 450 times, the stress measured 4.5 seconds after the start of step 1 in the 450th operation is 10 N/cm2 or more.
Absstract of: WO2026167986A1
This battery pack comprises: a core pack 3; and an exterior case 10. The exterior case 10 comprises: a body case 11 in which a peripheral wall 13 is connected to a bottom plate 12; and a lid case 14. The body case 11 comprises: a filling gap 21 in which a solidifying liquid 40 for fixing the core pack 3 is filled between an outer surface 4 and an inner surface 13a of the peripheral wall 13; a duct gap 22 for discharging a discharge material to the outside of the exterior case 10; and a sliding gap 23 in which a cushion material 30 for preventing leakage of the solidifying liquid 40 is arranged. The cushion material 40 is inserted in a compressed state to define the filling gap 21 and the duct gap 22, and the inner surface 13a of the peripheral wall 13 located in the sliding gap 23 of the body case 11 is provided as a tapered surface 13b that inclines such that a lower portion thereof is positioned more inwardly than an upper portion thereof.
Absstract of: WO2026168314A1
This negative electrode for a lithium-ion secondary battery comprises a negative electrode current collector (32) and a negative electrode active material layer (34) that is in contact with at least one surface of the negative electrode current collector (32). The negative electrode current collector (32) has a tensile strength of 400-805 MPa. The negative electrode active material layer (34) has a negative electrode active material containing silicon, and an organic additive containing diaminodiphenylmethane in the structure thereof.
Absstract of: US20260235359A1
An electrode drying apparatus and an electrode manufacturing system are disclosed. According to one aspect of the present disclosure, there are provided an electrode drying apparatus comprising a drying chamber provided with an air supply duct and an exhaust duct, a transfer device configured to transfer a metal foil into the drying chamber, and a moisture supply device configured to supply moisture to the metal foil transferred into the drying chamber and an electrode manufacturing system comprising the same.
Absstract of: US20260237813A1
The present disclosure relates to a fire-retardant assembly including a fire-retardant member including a fire-retardant material, and an exterior configured to accommodate the fire-retardant member therein. The exterior includes a housing part having a pillar shape, and a guide part disposed on a portion of one side surface of the housing part to have a shape protruding in a direction away from the housing part.
Absstract of: WO2026168783A1
The present invention relates to an O-ring for electrolyte injection. The O-ring for electrolyte injection according to the present invention comprises: a main body part that is open at one end in the central axis direction, and has an inner space for accommodating an electrolyte via the open end; an injection part that protrudes along the central axis direction from the other end of the main body part in the central axis direction; and a processed layer that is surface-treated to prevent the electrolyte from remaining on at least a portion of the surface of at least one of the main body part or the injection part.
Absstract of: WO2026165852A1
The present application relates to the technical field of batteries, and provides a battery cell, a battery apparatus, an electric device, and an energy storage apparatus. The battery cell comprises a casing, an electrode assembly, and electrode units. The casing is provided with a first wall, a part of the first wall protrudes from the casing to form protruding portions, and mounting holes pass through the protruding portions. Each electrode unit comprises poles, and a first limiting member and a second limiting member which are connected by means of the poles; the poles pass through the mounting holes; the first limiting member and the second limiting member both at least partially overlap the first wall; the first limiting member is provided on the side of the first wall facing the electrode assembly; the second limiting member is provided on the side of the first wall facing away from the electrode assembly; the side of each protruding portion facing the electrode assembly is provided with an accommodating recess; and the first limiting member is at least partially accommodated in the accommodating recess. By enabling a mounting position of an electrode unit to protrude from a casing, a larger mounting space can be reserved for an electrode assembly in the casing, so that the energy density of a battery cell can be improved and the driving range of an electric vehicle can be extended.
Absstract of: WO2026168799A1
A battery container is disclosed. The battery container according to an embodiment of the present invention may comprise: battery cells; a case accommodating the battery cells and having an opening; a vent door pivotably coupled to the case and configured to open and close the opening; a first arm having a first coupling portion at one side thereof and a protrusion portion at the other side thereof, the first coupling portion being pivotably coupled to the interior of the case; and a second arm having a second coupling portion pivotably coupled to the vent door, a third coupling portion pivotably coupled between the protrusion portion and the first coupling portion, and a receiving portion formed between the second coupling portion and the third coupling portion.
Absstract of: DE102025105460A1
Ein Verfahren zur Herstellung positiver Elektrodenpartikel mit Keramikpartikeln und Glasphasenverbundschicht unter Verwendung von Vorläufersubstanzen umfasst die folgenden Schritte: Vermischung einer Nickelquelle, einer Manganquelle, einer Kobaltquelle und eines ersten Dispersionsmittels, um eine Nickel-Kobalt-Mangan-Mischaufschlämmung zu bilden; dann Durchführung einer Trocknung und Sinterung der Nickel-Kobalt-Mangan-Mischaufschlämmung, um einen Nickel-Kobalt-Mangan-Vorläufer zu erhalten; dann Vermischung einer Lithiumquelle, eines glasartigen Leitervorläufers, eines LLZO-Vorläufers und eines zweiten Dispersionsmittels, um eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischung des Nickel-Kobalt-Mangan-Vorläufers und eines dritten Dispersionsmittels, um eine zweite Vorläufermassenaufschlämmung zu bilden und Vermischung der zweiten Vorläufermassenaufschlämmung mit der ersten Vorläufermassenaufschlämmung, um eine dritte Vorläufermassenaufschlämmung zu bilden; dann Trocknung der dritten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; und anschließende Sinterung des Vorläuferpulvers, um die mit LLZO-Partikeln und einer Glasphasenschicht beschichteten positiven Elektrodenpartikel zu erhalten.
Absstract of: WO2026166274A1
The present application provides a solid-state battery cell, a positive electrode sheet and a preparation method therefor, a battery device, and an electric device. The solid-state battery cell of the present application comprises a positive electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer located on at least one side of the positive electrode current collector; the positive electrode active layer comprises a first positive electrode active layer located on at least one side of the positive electrode current collector, and a second positive electrode active layer located on the side of the first positive electrode active layer away from the positive electrode current collector and/or the side of the first positive electrode active layer close to the positive electrode current collector; the first positive electrode active layer comprises a positive electrode material; and the second positive electrode active layer comprises a sulfide solid electrolyte. The total content by mass of impurities in the positive electrode active layer is less than or equal to 1.5%. The impurities include: sulfides of one or more of nickel, cobalt, lithium, iron, and phosphorus; oxides of one or more of nickel, cobalt, lithium, iron, and phosphorus; and at least one of elemental sulfur, lithium phosphate, and lithium pyrophosphate. The first coulombic efficiency, specific capacity, and cycle performance of the solid
Absstract of: WO2026166695A1
The invention relates to a battery cell, comprising: a cover assembly (1), a housing (11), a rupture device (7) which is designed to conduct a fluid and/or particles from the battery cell to the outer side of the battery cell, and a discharge element (8) for discharging from the battery cell the fluid and/or particles which exit the rupture device (7), wherein the discharge element (8) is arranged above the rupture device (7) and surrounds the rupture device in the circumferential direction in order to have a discharge path for fluid and/or particles exiting the rupture device (7) without contact with a component surrounding the battery cell and/or surrounding cooling fluid.
Absstract of: WO2026169738A1
A thermal sensor in a battery module is disclosed. The thermal sensor comprises a clip into which a thermal sensor is placed, which clip holds the thermal sensor against a battery cell; at least two battery module frame blocks, comprising individual battery cell frames connected together; and a space between the at least two battery module frame blocks into which the clip holding the thermal sensor is placed. The disclosure further provides a system for monitoring temperature in a battery module. The system comprises at least two frame blocks, a space in an interface between the at least two frame blocks, and a thermal sensor. A clip is positioned in the space between the battery module frame blocks. The clip is also configured to hold the thermal sensor against a battery cell. The thermal sensor monitors the temperature of the battery cell against which the thermal sensor is placed.
Nº publicación: WO2026168540A1 13/08/2026
Applicant:
TDK CORP [JP]
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Absstract of: WO2026168540A1
This lithium-ion secondary battery comprises a negative electrode (30), a positive electrode (20), and an electrolyte between the negative electrode (30) and the positive electrode (20). The negative electrode (30) has a negative electrode active material. The negative electrode active material has composite particles and a carbon material. The composite particles include amorphous carbonaceous particles and amorphous silicon particles having an average primary particle size of 1-50 nm. The carbon material is at least one selected from the group consisting of graphite, hard carbon, and soft carbon. The negative electrode active material is at least partially covered with a Na-containing layer that contains Na. The electrolyte contains 0.1-1.5 mol/L of a lithium salt having imide anions.
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