About 50 results
https://drivepatents.com/patents/1381835 · 30 Apr 2026
Anodes having high top layer sphericity may include a first active material layer including a plurality of first active material particles having a first particle sphericity and a first particle size layered onto and directly contacting a current collector...
https://drivepatents.com/patents/1381836 · 30 Apr 2026
Anodes having a laminate comprised of a lithium metal having adhered thereto a layer comprised of a thermoset polymer may be formed by contacting a lithium foil with an addition monomer to form an uncured layer and polymerizing the addition monomer forming...
https://drivepatents.com/patents/1381421 · 23 Apr 2026
Provided is a positive electrode material for a lithium ion secondary battery, including aggregated particles including aggregated multiple primary particles of a positive electrode active substance containing lithium iron phosphate coated with a carbonace...
https://drivepatents.com/patents/1380505 · 2 Apr 2026
An electrode is provided. The electrode includes an electrode material comprising a plurality of electrode active material particles. Each of the plurality of electrode active material particles includes a core, a first coating layer formed on a first surf...
https://drivepatents.com/patents/1380506 · 2 Apr 2026
The present invention relates to a cobalt-free positive electrode active material having improved thermal stability and electrochemical properties, and a lithium secondary battery using the same.
https://drivepatents.com/patents/1380155 · 26 Mar 2026
A secondary battery positive electrode material, relating to the field of battery materials. The secondary battery positive electrode material comprises large particles with particle size of ≥2 μm and small particles with particle size of ≤1 μm. The ...
https://drivepatents.com/patents/1380157 · 26 Mar 2026
A cathode active material for a lithium secondary battery according to exemplary embodiments of the present invention includes a lithium metal oxide particle core part and an organic compound coating layer which includes a functional group containing a sul...
https://drivepatents.com/patents/1380153 · 26 Mar 2026
A cathode active material including an interior and an exterior coating on the interior, and a total amount of lithium ions is provided. The interior has a layered metal oxide, the exterior coating has a lithium composite oxide having a spinel structure, a...
https://drivepatents.com/patents/1380154 · 26 Mar 2026
Provided are a positive electrode active material, a positive electrode plate, a battery cell, a battery and an electrical apparatus, which belongs to the technical field of secondary batteries. The positive electrode active material includes a lithium-ric...
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
https://drivepatents.com/patents/1380156 · 26 Mar 2026
An anode active material for a secondary battery includes a plurality of composite particles. The composite particles include carbon-based particles containing pores therein. A silicon-containing coating layer is formed inside the pores or on a surface of ...