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https://drivepatents.com/patents/1391818 · 14 Jan 2026
Disclosed is a separator for a secondary battery that improves the stability of the secondary battery. In one embodiment of the present disclosure, the separator includes: a porous substrate; and a coating layer disposed on at least one surface of the poro...
https://drivepatents.com/patents/1398966 · 14 Jan 2026
The present disclosure relates to a cathode for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery comprising same. More specifically, the cathode for a lithium secondary battery has a structure including a wet ca...
https://drivepatents.com/patents/1399684 · 7 Jan 2026
Embodiments of this application provide a battery cell, a method and system for manufacturing same, a battery, and an electrical device. The battery cell includes: a housing, on which an opening is made; an electrode assembly, accommodated in the housing, ...
https://drivepatents.com/patents/1400849 · 7 Jan 2026
Disclosed is a solid-state battery which includes a positive electrode, a negative electrode and a solid electrolyte membrane interposed between the positive electrode and the negative electrode, wherein the solid electrolyte membrane includes a first soli...
https://drivepatents.com/patents/1394361 · 31 Dec 2025
A lithium battery includes an electrode group stack i including a plurality of positive electrodes and one or more negative electrodes , wherein the plurality of positive electrodes includes a first and a second positive electrode, the first positive elect...
https://drivepatents.com/patents/1399997 · 31 Dec 2025
Embodiments of this application provide a battery cell, a method and system for manufacturing same, a battery, and an electrical device. A battery cell according to an embodiment of this application includes: a housing, on which an opening is made; an elec...
https://drivepatents.com/patents/1401417 · 31 Dec 2025
Provided is a battery cell which includes an electrode assembly received in a battery casing and including a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, wherein the separato...
https://drivepatents.com/patents/1388955 · 24 Dec 2025
The present invention provides a negative electrode which includes: a negative electrode current collector; and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material la...
https://drivepatents.com/patents/1393874 · 24 Dec 2025
An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in whi...
https://drivepatents.com/patents/1395857 · 24 Dec 2025
Disclosed is a lithium-sulfur battery with improved energy density and power, which can simultaneously realize energy density per battery weight of 300 Wh/kg or more and maximum power of 2 kW/kg or more by setting the ratio of the mass of sulfur in the pos...