公开(公告)号：US20230150822A1

公开(公告)日：2023-05-18

申请号：US17986174

申请日：2022-11-14

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Seung Hae HWANG ,  Chang-soo JIN ,  Kyoung-hee SHIN ,  Sun-hwa YEON ,  Se-Kook PARK ,  Dong Ha KIM

IPC: C01B32/184 ,  C07C45/61 ,  H01M4/66

CPC classification number: C01B32/184 ,  C07C45/61 ,  H01M4/663 ,  B82Y30/00

Abstract: Provided are reduced acylated graphene oxide as an electrode active material and a method for preparing the same. By the method for preparing reduced acylated graphene oxide according to the present invention, a negative electrode active material for a lithium secondary battery having stable activity and a high battery capacity may be prepared with a simple and low-cost process. In addition, the active material prepared by the preparation method has low resistance, a high battery capacity, and improved rate-limiting characteristics while having stable cycle characteristics.

公开(公告)号：US20170294658A1

公开(公告)日：2017-10-12

申请号：US15482203

申请日：2017-04-07

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Chang-soo JIN ,  Kyoung-hee SHIN ,  Sun-hwa YEON ,  Bum-suk LEE ,  Sea Couk PARK

IPC: H01M4/80 ,  H01M8/18 ,  H01M4/66

CPC classification number: H01M8/188 ,  H01M4/8605 ,  H01M4/8668 ,  H01M4/8673 ,  H01M8/023 ,  Y02E60/528

Abstract: This invention relates to an electrode structure including a porous electrode that simultaneously performs the functions both of a bipolar plate and of a felt electrode and has a pattern layer or a mesh layer serving as a flow path on the surface thereof, a method of manufacturing the same, and a redox flow battery stack configuration for decreasing shunt current.