Cathode active material and lithium secondary battery comprising same
AssigneeIucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
InventorsYang-Kook SUN, Geon-Tae PARK
Life of this patent
Estimating the term…
Abstract
Provided is a positive active material for a lithium secondary battery, the positive active material including: a secondary particle comprising a group of a plurality of primary particles, in which the primary particles comprise first primary particles provided on a surface portion of the secondary particle and each having a spinel structure at an end thereof, and the primary particle is made of lithium (Li), nickel (Ni), manganese (Mn), and tungsten (W) which is a doping element.
Claims17
A positive active material for a lithium secondary battery, the positive active material comprising:
- a secondary particle comprising a group of a plurality of primary particles,
- wherein the primary particles comprise first primary particles provided on a surface portion of the secondary particle and each having a spinel structure at an end thereof, and the primary particle is made of lithium (Li), nickel (Ni), cobalt (Co), manganese (Mn), and tungsten (W) which is a doping element.
Dependencies are inferred from the claim text.