Nanostructured Carbon Materials Derived from Lignin via Flame-Induced Oxidation for Supercapacitors
Source abstract
Abstract
The development of high-performance, low-cost supercapacitors holds significant importance for the use of renewable energy. However, enhancing their energy density without compromising their inherent properties remains a formidable challenge. In this study, the method of flame-induced oxidation is introduced to enhance the wettability and porosity of lignin-based carbon nanomaterial. The results of FTIR, XRD, XPS, and Raman spectroscopy confirmed the effectiveness of flame-induced oxidation. The finally obtained carbon nanomaterial possesses a specific surface area of 497.84 m 2 g –1 and abundant heteroatom content (O: 7.3%, N: 6.9%, and S: 1.5%). As a result, the assembled supercapacitors demonstrated an energy density of 26.45 W h kg –1 at a power density of 800 W kg –1 . The Trasatti method and ion diffusion analysis reveal that the outstanding energy storage properties are attributed to the synergistic effect of enriched heteroatom content and developed nanopore structure. This work introduces an approach for designing carbon material with appropriate pore size and heteroatom content to develop high-performance supercapacitors.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Catalytic Processes in Materials Science · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Hunan Provincial Key Laboratory of Material Protection for Electric Power and Transportation, College of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, P. R. China
Laboratory of Inorganic Material Chemistry, University of Namur, Wallonia, 5000 Namur, Belgium
College of Resources and Environment, Southwest University, Chongqing 400716, P. R. China
Queensland Micro- and Nano-Technology Centre, Griffith University, 170 Kessels Road, Nathan 4111, Queensland, Australia
Funding
Natural Science Foundation of??Hunan Province · Scientific Research Foundation of Hunan Provincial Education Department · Department of Education and Training · National Natural Science Foundation of China · Hunan Provincial Key Laboratory of Material Protection for Electric Power and Transportation, Changsha University of Science and Technology
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