Patent ID: 11894557
Assignee: BATTERY SOLUTIONS, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 0:
1. A positive active material comprising:
a secondary particle in which a plurality of primary particles is agglomerated, wherein:
the positive active material is composed of a compound containing nickel, lithium, and oxygen, and
an average angle between a reference line that is a line connecting a center portion of the secondary particle and a center portion of the primary particle provided at the outermost portion of the secondary particle and a particle orientation line that is a line penetrating the center portion of the primary particle provided at the outermost portion of the secondary particle and extending in parallel to an orientation direction of the primary particles is 12.2° or less,
wherein a concentration of the nickel in the compound is 59 mol % or more,
wherein the compound further includes an added metal composed of a different element from the nickel and the lithium, and
wherein the added metal includes tungsten (W).