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1654
results.
Updated on
06/11/2025 [07:17:00]
Results 325 to 350 of 1654
Absstract of: US2025331738A1
A blood glucose meter (10) comprises a main body part (11), a sensor mounting part (13), a measurement unit (14), a battery compartment (11a), a battery cover (12), a hinge (21), a lock pin (21a), and sliding surfaces (SL1, SL2). The battery cover (12) has an opening (12a) into which a jig Z is inserted during removal from the body portion (11). The hinge (21) deforms when pressed by the jig (Z) inserted through the opening (12a). The lock pin (21a) is provided at a position where it is exposed to the outside through the opening (12a), and when pressed by the jig (Z), the battery cover (12) is unlatched from the main body portion (11). When the battery cover (12) is slid along the sliding surfaces (SL1 and SL2) in a state in which the battery cover (12) is latched to the main body portion (11) by the lock pin (21a), a force in a compression direction is exerted on the hinge (21).
Absstract of: US2025336941A1
A positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are disclosed. For example, the positive electrode active material may include first particles including a compound of Chemical Formula 1 and second particles including a compound of Chemical Formula 2. The content (e.g., amount) of the first particles may be greater than the content (e.g., amount) of the second particles, and the second particles may have (e.g., be in) a single particle form.
Absstract of: US2025336942A1
Examples of the disclosure include positive electrode active materials for a rechargeable battery, and rechargeable lithium batteries including the positive electrode active materials. For example, the positive electrode active material includes first particles comprising a compound and having a first average particle diameter, and second particles comprising a compound and having a second average particle diameter that is smaller than the first average particle diameter. The content of the first particles is greater than the content of the second particles.
Absstract of: US2025336940A1
Provided are a positive electrode, and a rechargeable lithium battery including the positive electrode. A positive electrode for a rechargeable lithium battery includes a current collector, a first active material layer on the current collector, the first active material layer including a first particle, a first binder, and a first conductive material, and a second active material layer on the first active material layer, the second active material layer including a second particle, a second binder, and a second conductive material. The first particle contains a layered compound, and the second particle contains an olivine structured compound, and the second particle is in the form of a secondary particle constituted with a plurality of primary particles.
Absstract of: US2025336938A1
A process produces a coated active anode material, wherein a mixed anode material and a pyrogenically produced and nanostructured metal oxide of alumina, titania or a mixture thereof are subjected to dry mixing in a mixing unit. A coated mixed anode material obtainable by this process finds application in lithium-ion batteries, electric and/or electronic devices.
Absstract of: US2025336943A1
Examples of the disclosure include a positive electrode, and a rechargeable lithium battery including the positive electrode. Examples include a positive electrode for a rechargeable lithium battery including a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle containing an olivine structured compound, a second particle containing a layered compound, a first conductive material, and a first binder. The second active material layer includes a third particle containing an olivine structured compound, a second conductive material, and a second binder.
Absstract of: AU2024434465A1
A battery cell cover plate (100), a battery cell (200), and a battery pack. The battery cell cover plate (100) comprises a cover plate body (10); the cover plate body (10) has a top surface (11) and a bottom surface (12) which are opposite to each other, and a liquid injection hole (13) is formed in the cover plate body (10); and the liquid injection hole (13) runs through from the top surface (11) to the bottom surface (12). The bottom surface (12) is configured to face a jelly roll (220); at least partial area of the bottom surface (12) is configured to be a flow guide surface (121); the flow guide surface (121) is adjacent to the liquid injection hole (13); and the flow guide surface (121) is inclined from the liquid injection hole (13) to a direction away from the top surface (11).
Absstract of: AU2023442275A1
A battery pack including a housing having a first side, a second side positioned opposite the first side, a third side positioned adjacent to both the first side and the second side, a fourth side positioned opposite the third side, an air inlet disposed on the first side, and an air outlet disposed on the second side. The battery pack also includes a plurality of battery cells, a fan positioned within the housing, a temperature sensor that senses a temperature, and an electronic controller that receives a signal from the temperature sensor, determines the temperature, determines whether the temperature is greater than a first temperature threshold, and turns on the fan for a first speed to move air from the air inlet to the air outlet.
Absstract of: US2025336937A1
Provided in the present disclosure is a film-coated silicon-based negative electrode active material, including a silicon-based material and a film coated on surfaces of the silicon-based material, in which the film includes a copolymer, and a structure of the copolymer contains 1,3-dioxolane groups and sulfonyl fluoride groups.
Absstract of: US2025336939A1
Provided is a composite silicon-based negative electrode material, including a silicon-based material and a coating layer coated on a surface of the silicon-based material, in which the coating layer includes a copolymer, the copolymer contains phosphonic acid groups and cyano groups, and a molecular weight of the copolymer is 5,000-100,000 daltons.
Absstract of: US2025336936A1
A composite anode material is provided. The composite anode material includes a graphite, a plurality of silicon particles, and a carbon coating layer. The graphite is pretreated with surface modification through an organic polymer. The plurality of silicon particles are coated on the graphite. The carbon coating layer is coated on the graphite and the plurality of silicon particles. The carbon coating layer is formed by carbonizing the organic polymer through a heat treatment. A preparation method of the composite anode material includes steps as follows. Firstly, a graphite and an organic polymer are mixed to form a first composite particle. Secondly, the first composite particle and a plurality of silicon particles are mixed to form a second composite particle. Finally, a heat treatment is performed on the second composite particle to form the composite anode material.
Absstract of: US2025336935A1
The present disclosure relates to a negative electrode and a secondary battery including the same, wherein safety against external short circuit is improved by increasing resistance in the battery.In an aspect of the present disclosure, the electrode includes:a current collector; anda plurality of negative electrode active material layers provided on at least one side of the current collector, whereinthe plurality of negative electrode active material layers includea first negative electrode active material layer including lithium titanium oxide (LTO) and carbon nanotube (CNT) andone or more second negative electrode active material layer including a negative electrode active material other than the lithium titanium oxide (LTO),the loading amount of the first negative electrode active material layer is 0.2 mAh/cm2 or less, andthe first negative electrode active material layer is in contact with the current collector or is located between the two or more second negative electrode active material layers.
Absstract of: US2025336927A1
Disclosed are positive electrode active materials for a rechargeable battery, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, second particles comprising a compound having a spinel structure, and third particles. An amount of the third particles is about 0.5 parts by weight to about 1.5 parts by weight based on 100 parts by weight of the positive electrode active material.
Absstract of: US2025336931A1
Disclosed are positive electrode active materials for a rechargeable lithium battery and positive electrodes including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, second particles having a spinel structure, and third particles having a layered structure. The amount of the third particles is about 10 parts by weight to about 50 parts by weight based on 100 parts by weight of the positive electrode active material.
Absstract of: US2025336929A1
Disclosed are positive electrode active materials for a rechargeable battery, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, second particles comprising a compound having a spinel structure, third particles having a layered structure and fourth particles. The first particles and the second particles constitute a main active material, and the amount of the main active material is about 75 parts by weight to about 85 parts by weight based on 100 parts by weight of the positive electrode active material.
Absstract of: US2025336926A1
Disclosed are a positive electrode active material for a rechargeable battery, positive electrodes including the positive electrode active material, and recharageable lithum batteries including the positive electrode active material. The positive electrode active material comprises first particles having an olivine structure, second particles having a spinel structure, third particles having a layered structure and fourth particles. A weight ratio of the fourth particles is about 0.5 wt % to about 5 wt % based on a total weight of the positive electrode active material.
Absstract of: US2025336930A1
Disclosed are positive electrode active materials for a rechargeable lithium battery, methods for preparing the same, and rechargeable lithium batteries including the same. For example, the positive electrode active material includes first particles including a compound represented by Chemical Formula 1, and second particles including a compound represented by Chemical Formula 2. The first particles and the second particles are included in a weight ratio of about 80:20 to about 60:40.
Absstract of: US2025336924A1
A positive electrode active material for a rechargeable battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material are provided. The positive electrode active material includes first particles including a compound of Chemical Formula 1 and having a first average particle diameter, and second particles including a compound of Chemical Formula 2 and having a second average particle diameter that is greater than the first average particle diameter. The content (e.g., amount) of the first particles is greater than the content (e.g., amount) of the second particles, and wherein the positive electrode active material includes manganese (Mn) and cobalt (Co), and a ratio of the Mn content (e.g., amount) to the Co content (e.g., amount) in the positive electrode active material is about 7:1 to about 12:1.
Absstract of: US2025336923A1
Disclosed are positive electrode active materials for a rechargeable lithium battery, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, and second particles comprising a compound having a spinel structure. The amount of the first particles is greater than the amount of the second particles.
Absstract of: US2025336925A1
Disclosed are positive electrode active materials for a rechargeable lithium battery, positive electrodes including the positive electrode active materials, and rechargeable lithum batteries including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, and second particles having a spinel structure. The amount of the first particles is greater than the amount of the second particles.
Absstract of: US2025336919A1
The present application relates to a positive electrode active materials for a rechargeable lithium battery, positive electrodes including the same, and rechargeable lithium batteries including the same. For example, the positive electrode active material includes first particles including a compound of Chemical Formula 1 and having a first average particle diameter, and second particles including a compound of Chemical Formula 2 and having a second average particle diameter that is greater than the first average particle diameter. The content of the first particles is greater than the content of the second particles.
Absstract of: US2025336920A1
A positive electrode active material, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are provided. The positive electrode active material includes first particles comprising a compound of Lia1Fex1B1y1PO4-b1 and having an olivine structure, second particles comprising a compound of Lia2Mnx2C1y2O4-b2 and having a spinel structure and third particles comprising a compound of Lia3COx3D1y3O4-b3. The first particles and the second particles constitute a main active material, and the content (e.g., amount) of the main active material is about 95 parts by weight to about 99.5 parts by weight on the basis of about 100 parts by weight of the positive electrode active material.
Absstract of: US2025336172A1
The present disclosure relates to a welding position recognition apparatus for a battery assembly and a method using the same. The welding position recognition apparatus for the battery assembly according to embodiments of the present disclosure comprises a photographing unit spaced apart from the battery assembly to photograph a surface of the battery assembly including an area to be welded, a moving unit connected to the photographing unit and horizontally moving in parallel with the surface of the battery assembly, and a control unit controlling the photographing unit and the moving unit, wherein the control unit performs: first photographing of a portion of the surface of the battery assembly by the photographing unit to select a reference point, and second photographing of the surface of the battery assembly spaced apart from the reference point by a correction distance by the photographing unit.
Absstract of: US2025336918A1
Examples of the disclosure include a positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material. Examples of the disclosure include a positive electrode active material including a first particle containing a compound having a first average particle diameter, and a second particle containing a compound having a second average particle diameter larger than the first average particle diameter.
Nº publicación: US2025336921A1 30/10/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: US2025336921A1
Positive electrode active materials for a rechargeable lithium battery, positive electrodes including the same, and rechargeable lithium batteries including the same are provided. A positive electrode active material includes first particles including a compound represented by Chemical Formula 1 and having an olivine structure, second particles including a compound represented by Chemical Formula 2 and having a spinel structure and third particles including a compound of Chemical Formula 3 and having a layered structure. The first particles and the second particles constitute a main active material of the positive electrode active material, and a content of the main active material is about 95 parts by weight to about 99.5 parts by weight based on about 100 parts by weight of the positive electrode active material.
BOPI
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