About 198 results
https://drivepatents.com/patents/1381485 · 23 Apr 2026
A battery may include an electrode assembly including a first electrode having a first uncoated portion, a second electrode having a second uncoated portion and configured to have a polarity opposite to the first electrode, and a separator interposed betwe...
https://drivepatents.com/patents/1381464 · 23 Apr 2026
A lithium secondary battery includes: a battery case; an electrode assembly accommodated in the battery case; and an electrolyte. The electrode assembly includes a positive electrode including a positive electrode active material, a separator, and a negati...
https://drivepatents.com/patents/1381426 · 23 Apr 2026
Disclosed is a negative electrode composition for a lithium ion secondary battery, a negative electrode slurry including the negative electrode composition for the lithium ion secondary battery, a negative electrode for the lithium ion secondary battery, a...
https://drivepatents.com/patents/1381386 · 23 Apr 2026
A battery diagnosis method includes: obtaining diagnosis target information including a target full-cell profile of a battery cell associated with a first electric stimulation; correcting the target full-cell profile to be associated with a second electric...
https://drivepatents.com/patents/1381351 · 23 Apr 2026
A negative electrode active material for a lithium secondary battery, where the negative electrode active material includes a silicon-carbon (Si/C) composite. When the silicon-carbon composite is pressed under a pressure of about 3 tons or more to 9 tons o...
https://drivepatents.com/patents/1381496 · 23 Apr 2026
A unit cell includes an electrode positioned between a first separator and a separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the fir...
https://drivepatents.com/patents/1381467 · 23 Apr 2026
A separator according to an aspect of the present disclosure includes a polyolefin-based substrate having a thickness of about 8 μm or less. The polyolefin-based substrate has a minimum pore size of about 20 nm or more.
https://drivepatents.com/patents/1381461 · 23 Apr 2026
Provided is a lithium secondary battery including a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive ...
https://drivepatents.com/patents/1381433 · 23 Apr 2026
A composition for coating a negative electrode dam is in surface contact with an end of the negative electrode active material layer and includes a carbon-based material, a cellulose-based compound, a rubber-based binder, and inorganic particles. The compo...
https://drivepatents.com/patents/1381419 · 23 Apr 2026
The present disclosure relates to an electrode for an electrochemical device, and more particularly, to a dry electrode and a method for manufacturing the same. According to an aspect of the present disclosure, there is provided a new method for manufactur...