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https://drivepatents.com/patents/1398784 · 18 Feb 2026
Disclosed is a separator for a lithium secondary battery, including: a porous polymer substrate; and a hydrophilic modification layer disposed inside of the porous polymer substrate, or disposed inside of the porous polymer substrate and on at least one su...
https://drivepatents.com/patents/1398807 · 18 Feb 2026
The purpose of the present disclosure is to provide a nonaqueous electrolyte secondary battery that has high capacity and excellent cycle characteristics. A nonaqueous electrolyte secondary battery according to one embodiment of the present invention is pr...
https://drivepatents.com/patents/1387646 · 18 Feb 2026
The present disclosure relates to a positive electrode including a positive electrode active material, a positive electrode conductive material, and a positive electrode binder, wherein the positive electrode active material includes a lithium nickel-based...
https://drivepatents.com/patents/1387808 · 18 Feb 2026
Disclosed are an electrolyte solution for a rechargeable lithium battery and rechargeable lithium battery including the same, the an electrolyte solution for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an add...
https://drivepatents.com/patents/1401611 · 18 Feb 2026
Disclosed are a positive electrode binder for a lithium secondary battery capable of improving battery performance, by being fully constituted only by a cationic monomer, and thus capturing lithium polysulfide that occurs during charging and discharging of...
https://drivepatents.com/patents/1386142 · 11 Feb 2026
An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a first compound represente...
https://drivepatents.com/patents/1392022 · 11 Feb 2026
The present invention relates to a lithium secondary battery including: a non-aqueous electrolyte including a lithium salt, an organic solvent, a first additive represented by Chemical Formula 1 and a second additive represented by Chemical Formula 2; a po...
https://drivepatents.com/patents/1399523 · 11 Feb 2026
Disclosed is a separator for a secondary battery, including: a porous polymer substrate having a plurality of pores; and a porous coating layer disposed on at least one surface of the porous polymer substrate and including a plurality of inorganic particle...
https://drivepatents.com/patents/1400506 · 11 Feb 2026
The present disclosure relates to a separator for a lithium secondary battery, including: a porous polymer substrate; and a porous coating layer disposed on at least one surface of the porous polymer substrate, and including first inorganic particles surfa...
https://drivepatents.com/patents/1388518 · 4 Feb 2026
The present disclosure relates to a battery cell with improved battery durability and battery lifetime, a method of preparing the battery cell, and a battery module including the battery cell. Specifically, the battery cell may include a cell case having a...