About 15 results
https://drivepatents.com/patents/1382253 · 7 May 2026
An electrode for a lithium-carbon dioxide battery is disclosed, as well as a method to synthesize an electrode for a lithium-carbon dioxide battery. The electrode includes an electrocatalyst which may include a manganese-based transition metal oxide, where...
https://drivepatents.com/patents/1381838 · 30 Apr 2026
A positive electrode active material, and a preparation method and a use thereof. The chemical formula of the positive electrode active material is LiNaPNiMnMO, where −0.1≤a≤0.2, −0.2≤b≤0.2, −0.2≤c≤0.2, 3.8≤d≤4.3, 0
https://drivepatents.com/patents/1381095 · 16 Apr 2026
A single-crystalline-structured low-cobalt ternary positive material, a chemical formula thereof is Li(NiCOMn)MOA, where a mole fraction of Co element is low, 0.05≤b≤0.14; and in a single particle, a ratio of an average Co content per unit area of an o...
https://drivepatents.com/patents/1380158 · 26 Mar 2026
A lithium secondary battery according to exemplary embodiments may include a cathode which includes: a cathode current collector, and a cathode active material layer formed on the cathode current collector and including cathode active material particles; a...
https://drivepatents.com/patents/1378292 · 29 Jan 2026
A positive electrode active material for lithium-ion batteries may include a compound represented by the general formula LiMnNiNMO, wherein a ranges from 1.02 to 1.08, b ranges from 0.51 to 0.53, c ranges from 0.40 to 0.47, x ranges from 0 to 0.1, a+b rang...
https://drivepatents.com/patents/1377330 · 11 Dec 2025
Electrodes having electrolyte additives and electrochemical cells that cycle lithium ions and include the electrodes are provided. The electrodes include a lithium-rich, manganese-rich layered oxide electroactive material, and an electrolyte including two ...
https://drivepatents.com/patents/1372824 · 16 Jan 2025
The present invention relates to a cobalt-free electrode material of formula: LiMnNiFeAlOspinel as a cathode material for Li-ion batteries, wherein x=0.8-0.5 y=0.1-0.25 and z=0.1-0.25. The present invention also relates to a Li-ion batteries comprising of ...
https://drivepatents.com/patents/1366575 · 11 Jul 2024
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, and capable o...
https://drivepatents.com/patents/983386 · 16 Oct 2013
There is provided a novel positive electrode active material for a secondary battery. A positive electrode active material for a secondary battery according to the present exemplary embodiment is represented by the following formula (I): Li a (Ni x Cr y Mn...
https://drivepatents.com/patents/988976 · 10 Jul 2013
A cathode active material for a lithium secondary battery of the present invention contains therein an open pore having a protrusion which is formed so as to extend from the inner surface of the open pore toward the center of the open pore. Specifically, t...