About 69 results
https://drivepatents.com/patents/1390822 · 9 Jun 2026
Disclosed are an electrolytic solution for lithium secondary batteries capable of improving lifespan characteristics of a lithium secondary battery under a high voltage condition and a lithium secondary battery including the same. The electrolytic solution...
https://drivepatents.com/patents/964901 · 26 May 2026
A lithium-ion battery and a battery module, a battery pack, and an electric apparatus containing the same are provided. The lithium-ion battery includes a positive electrode active material layer including a positive electrode active material and a pre-lit...
https://drivepatents.com/patents/964899 · 26 May 2026
An organic electrolytic solution includes a first lithium salt; an organic solvent; a bicyclic sulfate-based compound represented by Formula 1 below; and a monocyclic phosphate-based compound represented by Formula K1 below:
https://drivepatents.com/patents/964900 · 26 May 2026
Provided is an ionic liquid including a cationic compound represented by Formula (1), where R represents an N-containing heterocyclic cation, and an anionic compound, an electrolyte including the ionic liquid, and a secondary battery.
https://drivepatents.com/patents/964898 · 26 May 2026
There is provided a method for producing lithium difluorophosphate in which difluorophosphate ester reacts with a lithium salt compound in a nonaqueous organic solvent without using water as a raw material, a method for producing a difluoro phosphate ester...
https://drivepatents.com/patents/1382739 · 14 May 2026
Provided is a potassium-ion battery or capacitor electrolytic solution additive, which is a compound represented by Formula (1), Formula (1A), or Formula (1B). In Formula (1), Formula (1A), and Formula (1B), R each independently represents NRR, an alkyl gr...
https://drivepatents.com/patents/1382308 · 7 May 2026
An electrolyte includes an additive, where the additive includes a first additive M, and the first additive Mis at least one selected from the group consisting of a fluorinated carbonate compound and a compound containing a sulfur-oxygen double bond. The n...
NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
https://drivepatents.com/patents/1382306 · 7 May 2026
The present invention relates to a non-aqueous electrolyte for a lithium secondary battery, which includes a first additive including a chromone-based compound, and a lithium secondary battery including the same.
https://drivepatents.com/patents/1382309 · 7 May 2026
The present invention relates to a novel electrolyte additive, a non-aqueous electrolyte for a lithium secondary battery comprising the novel electrolyte additive, and a lithium secondary battery comprising the non-aqueous electrolyte. More specifically, t...
https://drivepatents.com/patents/1381884 · 30 Apr 2026
Provided is a lithium secondary battery having improved high-temperature cycle characteristics, and including a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes lithium iron phosphorous oxid...