About 757 results
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https://drivepatents.com/patents/1391974 · 19 Nov 2025
The present disclosure relates to a power supply (100) of a battery pack. The power supply (100) may include: a first battery (120); a second battery (130); a DC/DC converter (150) for converting a first voltage output by the first battery (120) into a sec...
https://drivepatents.com/patents/1386510 · 12 Nov 2025
The present disclosure refers to a battery system (100, 100'), including at least three battery units (10), each battery unit (10) including one or more battery cells and a cooling channel segment (26), the cooling channel segment (26) forming part of a co...
https://drivepatents.com/patents/1388632 · 12 Nov 2025
A method of preparing a dry electrode includes arranging at least one interlayer on at least one surface of an electrode current collector to prepare a first stack, arranging a dry electrode film, which has an area larger than an area of the interlayer, on...
https://drivepatents.com/patents/1388731 · 5 Nov 2025
A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material are provided. The composite cathode active material includes: a core in...
https://drivepatents.com/patents/1388317 · 22 Oct 2025
A secondary battery includes an electrode assembly including a first electrode tab and a second electrode tab, which are exposed at opposite sides, respectively; a first collector electrically connected to the first electrode tab; a case configured to acco...
https://drivepatents.com/patents/1391768 · 22 Oct 2025
Disclosed are a positive active material for a rechargeable lithium battery, and rechargeable lithium battery including the same. The positive active material for a rechargeable lithium battery includes a first positive active material including a secondar...
https://drivepatents.com/patents/1398020 · 22 Oct 2025
A secondary battery according to an embodiment of the present disclosure includes: an electrode assembly having a positive electrode plate and a negative electrode plate; a case for accommodating the electrode assembly and having one side open; a pair of c...
https://drivepatents.com/patents/1391258 · 15 Oct 2025
A rechargeable battery module incudes a plurality of battery cells stacked in a first direction; a bus bar holder including a bottom part covering the battery cells and exposing electrode terminals of the battery cells; a bus bar connecting the electrode t...
https://drivepatents.com/patents/1387294 · 15 Oct 2025
A rechargeable lithium battery is provided. The rechargeable lithium battery includes a positive electrode active material; a negative electrode including a negative electrode active material; an electrolyte solution for a rechargeable lithium battery incl...
https://drivepatents.com/patents/1387034 · 8 Oct 2025
The present disclosure refers to a battery system for an electric vehicle, an electric vehicle including the same, and a method for determination of a thermal runaway in the battery system. The battery system includes a battery pack including a plurality o...