| 简介 |
Pseudocapacitive materials for supercapacitors electrodes The present invention relates to the use as a pseudocapacitive electrode material for supercapacitors, of a metal oxide of formula A1-xA′xCo1-yByO3, where 0≤x<1, 0≤y<0.5, said metal oxide presents a perovskite crystal structure, A represents a rare earth metal, A′ represents an alkaline earth metal, B represents a transition metal, and A, A′ and B may be mixtures of metals, wherein said material is implemented on an electrode comprising a carbonaceous material and said material is loaded on said carbonaceous material with a loading mass greater than 5 mg/cm2. The present invention further relates to pseudocapacitive electrodes for supercapacitors, wherein the material of said pseudocapacitive electrode comprises a pseudocapacitive electrode material as defined above, to a supercapacitor comprising at least said pseudocapacitive electrode. Lastly, the present invention relates to the use of a pseudocapacitive electrode as defined above for manufacturing a supercapacitor. |
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