About 30 results
https://drivepatents.com/patents/1394427 · 22 Apr 2026
Disclosed herein relates to a method for manufacturing a positive electrode for a lithium secondary battery including: (S1) forming a positive electrode active material layer by applying a positive electrode slurry composition comprising lithium iron phosp...
https://drivepatents.com/patents/1380503 · 2 Apr 2026
The present invention relates to a lithium secondary battery having excellent lifespan characteristics by including a negative electrode improved in protection against degradation due to volume expansion of a negative electrode active material at the time ...
https://drivepatents.com/patents/1386196 · 1 Apr 2026
The invention relates to a method for preparing a cathode material for a battery, comprising a step of obtaining this cathode material in the form of a mixture of so-called primary particles, with a monomodal size distribution and a volume-average diameter...
https://drivepatents.com/patents/1380146 · 26 Mar 2026
A dry electrode manufacturing process is employed for low cost battery through a dry mixing and formation process. A thermal activation renders the dry fabricated electrode comparable to conventional slurry casted electrodes. The dry electrode mixture resu...
https://drivepatents.com/patents/1380145 · 26 Mar 2026
A method for manufacturing an anode electrode for a battery cell includes melting lithium metal in a bath to create molten lithium metal; adding copper to the molten lithium metal in the bath to form a molten lithium matrix including lithium metal and dist...
https://drivepatents.com/patents/1379385 · 12 Mar 2026
A method of manufacturing a battery includes providing a slurry including carbon nanotubes, a binder, and a solvent. Then, operating an ultrasonic homogenizer to form a suspension including the carbon nanotubes and the binder within the solvent. Then, appl...
https://drivepatents.com/patents/1379058 · 5 Mar 2026
A battery aluminum foil coating device, a battery aluminum foil coating method, and a battery are provided. By sequentially passing the aluminum foil through an unwinding mechanism, a double-sided coating assembly, a first-sided coating assembly, a second-...
https://drivepatents.com/patents/1378825 · 26 Feb 2026
A method of discharging a dry electrode mixture, includes mixing the dry electrode mixture in a mixer, and disposing a movable pipe in the mixer and performing vacuum transport of the dry electrode mixture through a suction part of the movable pipe. The me...
https://drivepatents.com/patents/1399521 · 18 Feb 2026
The present application can provide an electrode active material having excellent electrical conductivity and ionic conductivity as well as excellent mechanical flexibility by forming a unique conductive polymer layer on an active material core, while prev...
https://drivepatents.com/patents/1378415 · 5 Feb 2026
A lithium-ion battery component and methods for producing the lithium-ion battery component are presented. The lithium-ion battery component includes a current collector and a solvent-free electrode layer laminated onto the current collector. The solvent-f...