| abstract |
The invention relates to a new process for the preparation of sulfur-modified monolithic porous carbonaceous materials by impregnation with a strong sulfur acid, the materials obtainable by this process, as well as the use of these materials with improved supercapacitive properties. for producing electrodes for energy storage systems. Electrodes made of sulfur-modified monolithic porous carbonaceous materials according to the invention, lithium batteries and supercapacitors comprising such electrodes are also part of the invention. |