About 52 results
https://drivepatents.com/patents/1380810 · 9 Apr 2026
A positive electrode active material for a non-aqueous electrolyte secondary battery according to one embodiment comprises a lithium transition metal composite oxide represented by the compositional formula LiNaNiMnXO(where X is at least one element select...
https://drivepatents.com/patents/1380509 · 2 Apr 2026
A positive electrode active material for secondary batteries which is one example of the embodiment comprises a first lithium-nickel composite oxide having a volume-based D50 value of 8 μ82 m to 30 μm inclusive and a second lithium-nickel composite oxide...
https://drivepatents.com/patents/1380507 · 2 Apr 2026
A cathode material, a preparation method thereof, and a battery provided. The cathode material is a nickel-lithium cobalt oxide based composite oxide including a core and a surface reconstruction layer arranged outside the core, where the surface reconstru...
https://drivepatents.com/patents/1380511 · 2 Apr 2026
A disclosed positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode mixture layer. The positive electrode mixture layer contains at least one compound selected from the group consisting of carboxylic acids and carbox...
https://drivepatents.com/patents/1380510 · 2 Apr 2026
The present invention relates to a solid composite cathode comprising a polymer electrolyte and high-potential NMC type cathode active material. The polymer electrolyte comprises an electrolyte composition, preferably comprising a deep eutectic solvent (DE...
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/1380159 · 26 Mar 2026
The present invention relates to an electrochemical cell comprising an anode, a polymer electrolyte and an NMC type cathode active material. The polymer electrolyte comprises an electrolyte composition, preferably comprising a deep eutectic solvent (DES), ...
https://drivepatents.com/patents/1380160 · 26 Mar 2026
Provided are a positive active material for a lithium secondary battery, a method of preparing the positive active material, a positive electrode for a lithium secondary battery including the positive active material, and a lithium secondary battery includ...
https://drivepatents.com/patents/1379713 · 19 Mar 2026
A positive electrode active material according to an example of an embodiment of the present invention contains first composite oxides and second composite oxides . The first composite oxides are secondary particles each formed by aggregation of primary pa...
https://drivepatents.com/patents/1379715 · 19 Mar 2026
A positive electrode active material, a preparation method thereof, a secondary battery, and an electric apparatus are disclosed. The positive electrode active material is an agglomerate of primary particles. The positive electrode active material internal...