Utilization of wood biomass char in a direct carbon fuel cell (DCFC) system

Author

Seong Yool Ahn, Seong Yong Eom, Young Hoon Rhie, Yon Mo Sung, Cheor Eon Moon, Gyung Min Choi and Duck Jool Kim

Applied Energy, 2013, vol. 105, issue C, pages 207-216

Abstract: Wood biomass char was used in a direct carbon fuel cell (DCFC) as an alternative fuel. This has many advantages because the DCFC is a high-efficiency system and wood biomass is a carbon-free and regenerative material. Several analytical techniques were employed to analyze the characteristics of three fuels, their effects on the cell’s performance, and the electrochemical reactions between the fuels and the electrolyte in the system. The morphological and textural characteristics of biomass char were similar to those of two types of coal used as fuels for a DCFC system in spite of the char’s significantly lower carbon content. A practical evaluation of the fuels used in the DCFC system was conducted, and when using the biomass char, the maximum power density was 60–70% that of the corresponding value for coal under the same conditions. The performance of the biomass char fuel was improved by stirring. The possibility of its practical application was also discussed.

Keywords: Wood biomass; Char; Coal; Direct carbon fuel cell; Electrochemical reactions; Performance (search for similar items in EconPapers)
Date: 2013
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