Korea Institute of Energy Research

Chang-soo Jin

Bum-suk Lee

Kyoung-Hee Shin

Myung-seok Jeon

Sun-Hwa Yeon

Se-Kook Park

Sang Ho Lee

Sun-hwa Yeon

Dong-Ha Kim

Jaeyoung So

Sea Couk Park

Cheon Beom Park

Kyoung-hee Shiin

This invention relates to an electrolyte solution for a redox flow battery containing an organic active material, in which an organic compound useful as a single active material for a cathode and an anode is dissolved in a water-soluble solvent, and to a redox flow battery using the same. The electrolyte solution of the invention is an aqueous electrolyte solution obtained by dissolving an active material in an aqueous solvent, and is thus very stable due to the low risk of fire or explosion. Furthermore, the organic compound is applied as a single active material to the cathode and the anode, and thus, when the capacity of the battery is decreased due to the permeation of the active material through the separator, the battery capacity can be restored through rebalancing.

Electrolyte solution for redox flow battery containing organic active material and redox flow battery using the same

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.

Electrode structure, method for manufacturing thereof and use thereof, and stack structure of redox flow battery

A method of manufacturing a graphene composite including an ultrasonic-wave pulverization post-treatment process. The method includes radiating a microwave on a mixture of graphite oxide and a conducting agent, dispersing a resultant material, obtained during the radiating the microwave, in a liquid and performing ultrasonic-wave pulverization, and freeze-drying particles subjected to the ultrasonic-wave pulverization. The post-treatment process is added to the method of manufacturing the graphene composite including the reduced graphene oxide using the graphite oxide, thereby manufacturing a graphene composite having improved bindability with spherical activated carbon used to manufacture an active material. Further, the post-treated graphene composite is used to manufacture the active material and the supercapacitor, and accordingly, the active material can be thinly and densely applied to provide a supercapacitor having improved performance.

Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same

Growing community of inventors

Sejong-si, South Korea

Chang-soo Jin