Filters
Results 1 - 1 of 1
Results 1 - 1 of 1.
Search took: 0.015 seconds
Parra-Silva, J.; Silva, A.C.; Mello-Castanho, S.R.H.; Cerpa, A.
Associacao Brasileira de Ceramica (ABCERAM), Sao Paulo, SP (Brazil); Associacao Brasileira de Metalurgia, Materiais e Mineracao (ABM), Sao Paulo, SP (Brazil); Associacao Brasileira de Polimeros (ABPol), Sao Carlos, SP (Brazil)2014
Associacao Brasileira de Ceramica (ABCERAM), Sao Paulo, SP (Brazil); Associacao Brasileira de Metalurgia, Materiais e Mineracao (ABM), Sao Paulo, SP (Brazil); Associacao Brasileira de Polimeros (ABPol), Sao Carlos, SP (Brazil)2014
AbstractAbstract
[en] Direct alcohol Fuel cells (DAFC) are interesting to use Brazil for reasons of fuel logistics and availability. The catalysts used in these devices to promote the oxidation of alcohol at the anode need to be fixed on a substrate which must provide high specific surface area, porosity, chemical and thermal resistance, this target can be achieved with the characteristics sepiolite. This paper proposes sepiolite as catalyst support for DAFC. Sepiolite is a phyllosilicate with double layered tetrahedral silicon cells and fibrillar structure. Catalysts (Pt / Sb / Sn) were prepared by cation substitution method and tested by cyclic voltammetry. Techniques as XRD and FT-IR were also used for characterizing materials. Was obtained up to 35 mA / g (Pt) peak current (redox ethanol) indicating the possibility of sepiolite technology development to use un proposed purpose. (author)
Original Title
Utilizacao de filosilicatos em dispositivos eletroquimicos: possivel uso da sepiolita como suporte de catalisadores em celulas a combustivel com uso direto de etanol (DAFC)
Primary Subject
Source
2014; 12 p; 21. CBECIMAT: Brazilian congress of engineering and materials science; 21. CBECIMAT: congresso brasileiro de engenharia e ciencia dos materiais; Cuiaba, MT (Brazil); 9-13 Nov 2014
Record Type
Miscellaneous
Literature Type
Conference
Report Number
Country of publication
LanguageLanguage
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue