Synthesis and characterization of nanocarbons
(graphene, nanoparticles, porous carbon)
C. Barbero
Universidad Nacional de Río Cuarto
 
Synthesis and characterization of nanocarbons (graphene, nanoparticles, porous carbon)
Carbon materials have high relevance in lithium-air cells, both as lithium intercalation electrodes and as conductive support of oxygen electrocatalysts. Besides the classic forms of carbon, new types of carbons have been developed recently. Among then, grapheme, carbon nanoparticles and hierarchical porous carbon. Novel synthetic methods, developed in our group, will be described.

Graphene is produced by controlled electrochemical exfoliation of graphite, allowing to produce a material, with low amount of defects. Small carbon nanoparticles are produced by thermal decomposition of small organic molecules. Larger carbon nanoparticles are produced by pyrolysis of resorcinol-folmaldehyde (RF) nanoparticles. Hierarchical porous carbon are produced by pyrolysis of porous RF resins, made using soft or hard templates. The materials are characterized using HRTEM, AFM, Raman, electrochemistry, N2 adsorption isotherms, etc.

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