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https://drivepatents.com/patents/1388118 · 20 May 2026
The present invention relates to a positive electrode active material for a secondary battery which includes a lithium composite transition metal oxide including Ni, Co, and Mn, wherein the lithium composite transition metal oxide is in the form of a secon...
https://drivepatents.com/patents/1388189 · 20 May 2026
An electrode assembly according to the present invention is a jelly roll-type electrode assembly manufactured by winding a negative electrode, a separator, and a positive electrode together from ends thereof, the electrode assembly comprising a negative el...
https://drivepatents.com/patents/1400497 · 20 May 2026
A battery module according to one embodiment of the present disclosure includes a battery cell assembly in which a plurality of battery cells are stacked; a module frame that houses the upper and lower surface and both side surfaces of the battery cell ass...
https://drivepatents.com/patents/1386178 · 13 May 2026
A method for diagnosing a battery according to first aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes a different...
https://drivepatents.com/patents/1386679 · 13 May 2026
The present invention relates to a membrane cutting device and provides a membrane cutting device which quickly performs membrane cutting for the cross-sectional analysis of a membrane and minimizes damage to a cross-section caused by cutting. The membrane...
https://drivepatents.com/patents/1386680 · 13 May 2026
The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, which includes a compound represented by Formula 1, a lithium salt, and an organic solvent; and a lithium secondary battery including the same.
https://drivepatents.com/patents/1392012 · 13 May 2026
A battery pack according to an embodiment includes a module assembly including a plurality of battery modules arranged in a first direction, a vent channel located on a surface of the module assembly and configured to communicate with each of the plurality...
https://drivepatents.com/patents/1393293 · 13 May 2026
In one embodiment, the present invention provides a battery cell pressurization device comprising a case in which a battery cell is disposed therein; and a fluid filling the inside of the case and pressurizing the battery cell, wherein the case includes a ...
https://drivepatents.com/patents/1394173 · 13 May 2026
Provided is a fire prevention apparatus including a switch connected to a battery through a first line, a variable resistor unit connected to the switch, a fuse connected to a second line connecting the battery with a device powered from the battery and to...
https://drivepatents.com/patents/1394627 · 13 May 2026
A manufacturing apparatus of an electrode assembly includes first and second machine visions provided on driving-direction front ends of first and second electrodes from a winding core to measure first non-overlap widths between first width-direction end p...