ABSTRACT
Continuous consumption of traditional sources of energy (fossil fuels, coal, etc.) and a rapid increase in global warming forced the research community working in this line to develop alternative clean and green renewable sources of energy. The most feasible and attractive source of green energy is the symmetric/asymmetric ultra/supercapacitors (SCs). This clean and green source of energy becomes more attractive/attentive if it could be developed from wastage. In such energy source devices, electrode material plays a crucial role in enhancing the capacity and energy/power density. Most of the electrode is made up of carbon. Hence, carbon derived from the biowastes has grabbed the attention of researchers due to abundance, reducing health issues, environmental and disposal issues, and so on. The key advantages are high electronic conductivity and the large 36surface area used to be delivered by this biowaste after proper physical/chemical processing. This results in enhancing the remarkable electrochemical properties. This chapter explores the fundamental characteristics, strategies adaptation to prepare biowaste-based SC electrode material, and characterization techniques involved followed by the latest advancements in the carbon derivation from biowastes.
