PRODUCTION OF ACTIVATED CARBON FROM BIOMASS AS ELECTRODE MATERIAL FOR ELECTROCHEMICAL DEVICES

Activated carbon has excellent electrochemical characteristics such as a large specific surface area, fast ion/electron transport, and adjustable surface chemistry, making it a promising candidate as an electrode material for electrochemical devices. Biomass from agricultural products and waste is a promising precursor for activated carbon production because it is widespread, renewable, easy to process, and environmentally friendly. This review compares the electrode materials used for electrochemical devices, presents their advantages and disadvantages, and also reveals the prospects for using carbon materials. Biomass of various compositions is considered a promising electrode material. Data on the methods of obtaining activated carbon from biomass, methods of its activation, and parameters for evaluating the effectiveness of electrode systems are presented. Possible modifications of activated carbon that increase its conductivity are considered. In conclusion, a description of a wide range of suitable biomass sources and the possibility of their application in various electrochemical devices is given. Based on the data presented, it can be concluded that biomass-derived activated carbon turned out to be a promising candidate as an electrode for highly efficient electrochemical devices.