公开(公告)号：US20250140874A1

公开(公告)日：2025-05-01

申请号：US18743147

申请日：2024-06-14

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jeung Ku KANG ,  Jong Hui CHOI ,  Dong Won KIM ,  Abdurrahman ADHYATMA

IPC: H01M4/90 ,  C01G51/00 ,  H01M4/86 ,  H01M12/08

Abstract: The present disclosure relates to an air electrode for a metal-air battery including a cobalt-manganese heterostructure, a metal-air battery including the same, and a method of preparing the cobalt-manganese heterostructure. A cobalt-manganese heterostructure according to embodiments of the present disclosure exhibits excellent oxygen reduction reaction (ORR) activity and durability as well as superior oxygen evolution reaction (OER) performances including a high current density to RuO2 OER catalysts.