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A chronopotentiometric study of fluoride ion discharge on various carbon materials

Calandra, A.J. ; Ferro, C.M. ; Thonstad, J.

Electrochimica acta, 1992, Vol.37 (4), p.705-709 [Periódico revisado por pares]

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Título:
A chronopotentiometric study of fluoride ion discharge on various carbon materials
Autor: Calandra, A.J. ; Ferro, C.M. ; Thonstad, J.
Assuntos: anode effect ; carbon structure ; Chemistry ; Electrochemistry ; Exact sciences and technology ; General and physical chemistry ; Kinetics and mechanism of reactions ; Physical Sciences ; reaction model ; Science & Technology ; temperature effect ; wetting
É parte de: Electrochimica acta, 1992, Vol.37 (4), p.705-709
Descrição: The electrochemical behaviour of fluoride ion discharge on graphite, pyrolytic graphite, carbon and vitreous carbon electrodes in pure cryolite and in pure sodium fluoride melts was studied by applying galvanostatic pulses. A correlation was found between the structure of the carbon electrodes being used and the number of transitions which appeared. Temperature change had a strong effect on the transition times observed at high anodic potentials on porous electrodes in pure sodium fluorides, due to flooding of pores. The influence of the nature of the carbon on the discharge of oxide ions and fluoride ions is discussed.
Editor: OXFORD: Elsevier Ltd
Idioma: Inglês

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