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https://drivepatents.com/patents/1391370 · 22 Apr 2026
The present disclosure relates to a method for manufacturing a separator for an electrochemical device, which includes (S1) preparing a coating slurry including a polymer binder, inorganic particles, and a dispersion medium; (S2) heating at least one surfa...
https://drivepatents.com/patents/1393212 · 22 Apr 2026
A positive electrode mixture layer for a lithium-ion secondary battery providing a positive electrode mixture layer for a lithium-ion secondary battery suitable for producing a lithium-ion secondary battery with high rate characteristics at an ordinary tem...
https://drivepatents.com/patents/1393291 · 22 Apr 2026
The present invention relates to a battery case and a secondary battery.More particularly, the present invention relates to a battery case including a battery case and a gas adsorber accommodated inside the case, wherein a gas adsorption pack is opened as ...
https://drivepatents.com/patents/1395193 · 22 Apr 2026
The present application provides a cathode plate, a secondary battery, a battery module, a battery pack, and an electric device. The cathode plate includes: a current collector, a conductive coating, and a cathode active layer. The conductive coating is ar...
https://drivepatents.com/patents/1381123 · 16 Apr 2026
A network of metal fibers includes a plurality of metal fibers fixed to one another; wherein at least some of the plurality of metal fibers have a length of 1.0 mm or more, a width of 100 μm or less and a thickness of 50 μm or less. A method includes pro...
https://drivepatents.com/patents/1391704 · 15 Apr 2026
The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery comprising an organic solvent; a lithium salt; a first additive which is a compound represented by Formula 1; a second additive which is a compound represen...
https://drivepatents.com/patents/1392514 · 15 Apr 2026
Disclosed is to a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
https://drivepatents.com/patents/1395346 · 15 Apr 2026
A nonaqueous secondary battery electrolyte solution for use in a nonaqueous secondary battery comprising vanadium sulfide as a cathode active material and a lithium-containing compound as an anode active material, the nonaqueous secondary battery electroly...
LITHIUM BATTERY SEPARATOR COMPRISING POROUS PVDF-BASED RESIN COATING AND PREPARATION METHOD THEREFOR
https://drivepatents.com/patents/1397974 · 15 Apr 2026
Disclosed is a lithium battery separator including a porous PVDF-based resin coating, wherein the porous PVDF-based resin coating is located on at least one surface of a base film, and the porous PVDF-based resin coating on a single side has a thickness of...
https://drivepatents.com/patents/1399762 · 15 Apr 2026
The present disclosure provides a lithium ion secondary battery, a battery core, a negative electrode plate and an apparatus containing the lithium ion secondary battery. The lithium ion secondary battery includes a battery core and an electrolytic solutio...