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Boletín número 29 - Septiembre 2013

Anodic performance in lithium-ion batteries of graphite-like materials prepared from anthracites and unburned carbon concentrates from coal combustion fly ashes

pp. 2-7

I. Cameán, A. B. García, A. Ramos, N. Cuesta

ABSTRACT: The electrochemical performance as anodes for lithium-ion batteries of graphite-like materials that were prepared from anthracites and unburned carbon concentrates from coal combustion fly ashes by high temperature treatment was investigated by galvanostatic cycling of lithium test cells. Some of the materials prepared have provided reversible capacities up to ~ 310 mA h g-1 after 50 discharge/ charge cycles. These values are similar to those of oil-derived graphite (petroleum coke being the main precursor) which is currently used as anodic material in commercial lithium-ion batteries.


Direct coal fuel cells (DCFC). The ultimate approach for a sustainable coal energy generation.

pp. 8-11

A.Arenillas, J.A. Menéndez, G.E. Marnellos, M. Konsolakis, V. Kyriakou, K. Kammer, C. Jiang, A. Chien, J.T.S. Irvine

ABSTRACT: An alternative for electrical energy generation from coal is presented in this article. The RFCS project "Efficient conversion of coal to electricity: direct coal fuel cells (DCFC)" is currently investigating the advantages associated to the technology. To wit: a high energetic efficiency and very low emissions of pollutants. In the midterm report of the project it is shown how the characteristics of the coals used are a key in the behavior and durability of the cell. It seems that coals with high reactivity and low ash content are desirable. Furthermore, the addition of certain catalysts may be important to promote in situ gasification of carbon. Currently the work is centered in the upscaling and developments on sealing, interconnections and fuel feeding systems.


Retos químicos para los materiales estructurales en oxicombustión de carbón y biomasa

pp. 12-17

M.C. Mayoral, M.P. Gimeno, J.M. Andrés, L.I. Díez

RESUMEN: La oxicombustión de combustibles sólidos es una de las alternativas tecnológicas más relevantes destinadas a conseguir la captura de CO2 en grandes plantas de generación. Si el proceso de oxicombustión se lleva a cabo en un reactor de lecho fluido, las posibilidades de aplicación se amplían a combustibles de bajo rango o residuos difícilmente aprovechables en condiciones de combustión en polvo, con la ventaja añadida del control de otras emisiones gaseosas (NOx, SOx). Y si adicionalmente se añade biomasa residual como parte de la mezcla aportada al reactor, el balance de emisiones de CO2 puede llegar a ser negativo.


CO2 recycling by means of reforming of coke oven gas for methanol production

pp. 18-19

J. M. Bermúdez, Instituto Nacional del Carbón - CSIC

OBJECTIVES AND NOVELTY: The steelmaking industry is the largest energyconsuming manufacturing sector. As a consequence of this, the CO2 emissions from this sector account for about 5-7 % of the total anthropogenic CO2 emissions. For this reason, increasing efforts are being made to find solutions that might help diminish these emissions and increase energy efficiency. A better management of the coke oven gas (COG) surplus is one of the proposed solutions...

Industrial Quimica del Nalon - socio protector GEC
Elcogas, El Futuro del Carbón Sostenible - socio protector GEC
 Bonsai Advanced Technologies - socio protector GEC

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SEDE SOCIAL: Instituto de Carboquímica, ICB-CSIC • C/ Miguel Luesma Castán, 4 • 50018 • Zaragoza • España •