公开(公告)号：US20240291077A1

公开(公告)日：2024-08-29

申请号：US18568979

申请日：2021-06-11

Applicant: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Tae Young KIM ,  Kumud Malika TRIPATHI ,  Gouri Sankar DAS

IPC: H01M12/06 ,  C01B32/184

CPC classification number: H01M12/06 ,  C01B32/184 ,  C01P2002/82 ,  C01P2004/01 ,  C01P2006/40 ,  H01M2300/0014

Abstract: Disclosed is an electrolyte for a metal-air battery, comprising graphene nanoflakes so as to be capable of self-charging, and enabling a metal-air battery to exhibit excellent stability in a long-term charge/discharge cycle. The electrolyte for a metal-air battery, according to the present invention, comprises an alkaline solution and graphene nanoflakes dispersed in the alkaline solution, wherein the graphene nanoflakes can be surface-modified with a hydrophilic group.

公开(公告)号：US20170341939A1

公开(公告)日：2017-11-30

申请号：US15609111

申请日：2017-05-31

Applicant: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION ,  LAMINAR CO., LTD.

Inventor： Tae Young KIM ,  Jong Pal HONG

IPC: C01B32/194 ,  C01B32/19 ,  B82Y40/00 ,  B82Y30/00

CPC classification number: C01B32/194 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/19 ,  C01P2004/04 ,  Y10S977/734 ,  Y10S977/773 ,  Y10S977/81 ,  Y10S977/847 ,  Y10S977/896

Abstract: The present disclosure relates to a method of preparing a graphene metal nanoparticle-composite, including: preparing graphene by applying a shearing force to a first solution containing a graphite-based material and thus exfoliating the graphite-based material; preparing metal nanoparticles by applying a shearing force to a second solution containing a metal precursor, a capping agent, and a reducing agent; and physically combining the metal nanoparticles on the graphene by applying a shearing force to a third solution containing the graphene and the metal nanoparticles, and a graphene metal nanoparticle-composite prepared according to the method.