| 초록 |
The use of electronic devices such as smartphones, electric vehicles, and drones is increasing, and the increase in the use of electronic devices leads to the development of electricity storage devices. A lithium ion battery, which is currently mainly used, has high energy density, but is disadvantageous in that it is safe and has a low power density, and a capacitor has a high power density but has a low energy density. To solve this problem, research is underway to increase power density and increase energy density, and as an alternative, it aims to develop a supercapacitor using a perovskite oxide structure material that enables electric storage based on a fast redox reaction. The perovskite oxide structure material shows high energy density and high power density, and has the advantage of being able to move in an aqueous system. The aqueous system behavior has advantages of high stability and low price, and it is possible to solve the problem of the electricity storage device using the high energy density and power density of the perovskite oxide structure as well as the advantages of this. |
