About 198 results
https://drivepatents.com/patents/1380582 · 2 Apr 2026
A management apparatus, includes a control unit for acquiring operational characteristics information of a power storage source from a sensor unit and determining an operating power limit of the power storage source, determining a charge power or discharge...
https://drivepatents.com/patents/1380518 · 2 Apr 2026
A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer includin...
https://drivepatents.com/patents/1380479 · 2 Apr 2026
A battery diagnosis apparatus include: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at different time points for the battery cell, a resistance cha...
https://drivepatents.com/patents/1380480 · 2 Apr 2026
A diagnosis system for diagnosing a state of a battery includes the battery and a diagnosis apparatus configured to diagnose the state of the battery, in which the diagnosis apparatus is further configured to predict a side reaction rate of an electrode, b...
https://drivepatents.com/patents/1380532 · 2 Apr 2026
A method for preparing an electrolyte and an electrolyte prepared by the preparation method are provided. The preparation method includes the steps of: (S) preparing a solution comprising a polyethylene oxide(PEO)-based copolymer having crosslinkable funct...
https://drivepatents.com/patents/1380569 · 2 Apr 2026
The present disclosure provides: a structure of a pouch type battery cell provided with electrode leads protruding from lengthwise ends thereof, respectively, wherein the pouch type battery cell includes a margin capable of extending the electrode leads by...
https://drivepatents.com/patents/1380564 · 2 Apr 2026
Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises ...
https://drivepatents.com/patents/1380508 · 2 Apr 2026
A lithium secondary battery includes: a positive electrode; a separator; and a negative electrode. The positive electrode includes a positive electrode active material and a positive electrode conductive material. The negative electrode includes a negative...
https://drivepatents.com/patents/1380560 · 2 Apr 2026
The present disclosure is directed to a battery pack. The battery pack includes a housing with a base plate and side walls coupled to the base plate, a plurality of battery cell assemblies on an upper surface of the base plate, and a plurality of exhaust d...
https://drivepatents.com/patents/1380495 · 2 Apr 2026
A vehicle state estimation apparatus includes a current sensor and a processor, wherein the processor may be configured to obtain a current profile of a battery pack of a vehicle via a current sensor, extract a low-frequency component of a predetermined fr...