Affiliation:
1. Department of Environmental Science and Engineering College of Environment and Resources Xiangtan University Xiangtan 411105 Hunan China
2. National Base for International Science & Technology Cooperation, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Hunan Province Key Laboratory of Electrochemical Energy Storage and Conversion School of Chemistry Xiangtan University Xiangtan 411105 Hunan China
Abstract
As the core component of supercapacitors (SCs), the electrode material plays a decisive role in performance. Among electrode materials, carbon materials are the most widely used due to high porosity and specific surface area (SSA, 1000–3000 m2 g−1). Biomass carbon stands out in carbon materials because of its wide source, low cost, and less pollution. This work reviews the recent advances on carbon materials derived from biomass waste for SCs and explores the effects of different biomass sources including plant, animal, and aquatic organism waste on the performance of biomass waste‐derived carbon materials (BWDCs). Because of its high conductivity (1.25 × 103 ≈ 3 × 105 S m−1), power density (>10 kW kg−1), and extended cycle life (>10 000 cycles), BWDCs are advancing quickly in energy storage. It also discusses different methods and optimization pathways of BWDCs thoroughly. Finally, the challenges and future prospects for BWDCs are summarized. Overall, this critical will help researchers to gain a better understanding of source selection, structural classification, and research strategies for BWDCs, thereby promoting the application of BWDCs in electrochemistry and resource utilization.