About 198 results
https://drivepatents.com/patents/1380832 · 9 Apr 2026
An apparatus for winding a sheet for manufacturing a secondary battery includes at least two bobbins and a sensor. The at least two bobbins include a traveling bobbin on which a winding process proceeds and a standby bobbin that is in a standby state durin...
https://drivepatents.com/patents/1380805 · 9 Apr 2026
A negative electrode active material for a lithium secondary battery, the negative electrode active material including, based on 100 parts by weight of the total negative electrode active material, 5 parts by weight to 20 parts by weight of a first carbon-...
https://drivepatents.com/patents/1380601 · 9 Apr 2026
Disclosed are an electrode sheet machining apparatus having a plurality of detection members and an electrode sheet machining method using the same, and more particularly an electrode sheet machining apparatus, including an unwinder unit configured to supp...
https://drivepatents.com/patents/1380866 · 9 Apr 2026
A battery pack according to an embodiment of the present disclosure includes one or more first battery modules, each including a plurality of battery cells, and one or more second battery modules, each disposed adjacent to the first battery modules and inc...
https://drivepatents.com/patents/1380807 · 9 Apr 2026
Provided are a negative electrode, which includes a current collector and a negative electrode active material layer disposed on the current collector, wherein the negative electrode active material layer includes a conductive material, a negative electrod...
https://drivepatents.com/patents/1380869 · 9 Apr 2026
A cell stack assembly and a battery pack includes the same, the cell stack assembly including a cell stack having a plurality of battery cells stacked with electrode leads derived from one or both sides; and a separating member configured to contact a firs...
https://drivepatents.com/patents/1380857 · 9 Apr 2026
The battery module according to one embodiment of the present disclosure includes a battery cell stack that includes a first battery cell stack and a second battery cell stack in which a plurality of battery cells are stacked; a module frame that houses th...
https://drivepatents.com/patents/1380770 · 9 Apr 2026
An apparatus and a method for diagnosing a battery cell. The apparatus may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device configured to measure a reference impedance of the reference ...
https://drivepatents.com/patents/1380848 · 9 Apr 2026
The present invention relates to an electrode assembly and a secondary battery including same. The electrode assembly according to an embodiment of the present invention is formed by a cathode, a separator, and an anode which are wound together, and may co...
https://drivepatents.com/patents/1380559 · 2 Apr 2026
A battery pack including a plurality of cell assemblies, and a pack case providing a space in which the cell assemblies are seated, the pack case including: a base plate supporting a lower portion of the cell assemblies; and a separation wall interposed be...