Ecofriendly synthesis of MWCNTs by electric arc in aqueous medium: Comparative study of 6B pencil and mineral graphite
Source abstract
Abstract
Abstract The production of carbon nanotubes (CNTs) by electric arc discharge (EA) usually applies pure mineral graphite (PMG) as the precursor electrode due to its high‐purity and conductivity. This work investigated the versatility of EA in aqueous medium for the production of CNTs by varying the electrodes purity degree. In this way, a variety of domestic and industrial graphite waste can be recycled into high‐quality CNTs by adjusting the EA parameters. CNTs were synthesized using 6B pencil (6BP, ~57% graphite) and their quality and quantity were compared to the PMG (99.995%) production. PMG led to short CNTs ( I D / I G 0.266), while the synthesis with 6BP led to long CNTs ( I D / I G 0.428). The 6BP CNTs showed elevated quality for application in the electronic, biomedical, and optical fields.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Graphene research and applications · Carbon Nanotubes in Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Programa de Pós‐Graduação em Engenharia de Produção PPGEP Universidade Federal do Rio Grande do Sul‐UFRGS Porto Alegre RS Brazil
Programa de Pós‐Graduação em Nanociências Universidade Franciscana ‐UFN Santa Maria RS Brazil
Programa de Pós‐Graduação em Engenharia de Minas Metalúrgica e de Materiais PPGE3M Universidade Federal do Rio Grande do Sul‐UFRGS Porto Alegre RS Brazil
Programa de Pós‐Graduação em Ciência e Engenharia de Materiais PPGCEM Universidade do Extremo Sul Catarinense ‐UNESC Criciúma Brazil
Department of Aeronautics and Astronautics Massachusetts Institute of Technology Cambridge MA USA
Funding
Conselho Nacional de Desenvolvimento Científico e Tecnológico · Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
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