Electrolytic anode and method for electrolytically synthesizing fluorine containing substance using the electrolytic anode
View Patent ↗The present invention provides an electrolytic anode for use in electrolytically synthesizing a fluorine-containing substance by using an electrolytic bath containing a fluoride ion including: an electroconductive substrate having a sure including an electroconductive carbonaceous material; and an electroconductive carbonaceous film having a diamond structure, the electroconductive carbonaceous film coating a part of the electroconductive carbonaceous substrate, and a method for electrolytically synthesizing a fluorine-containing substance using the electrolytic anode.
1. An electrolytic anode for use in electrolytically synthesizing a fluorine-containing substance by using an electrolytic bath containing a fluoride ion comprising:
an electroconductive substrate having a surface including an electroconductive carbonaceous material; and
an electroconductive carbonaceous film having a diamond structure, the electroconductive carbonaceous film coating a part of the electroconductive carbonaceous substrate,
wherein the electroconductive carbonaceous film has a ratio I(D)/I(G) of 1 or more, wherein I(D) represents a peak intensity existing in the range of 1312 to 1352 cm −1 belonging to diamond and I(G) represents a peak intensity existing in the range of 1560 to 1600 cm −1 belonging to G band of graphite, in a Raman spectroscopic analysis.
2. The electrolytic anode according to claim 1 ,
wherein the electroconductive carbonaceous material is at least one material selected from the group consisting of a graphite, an amorphous carbon, a diamond-like carbon, and an electroconductive diamond.
3. The electrolytic anode according to claim 1 ,
wherein a coating ratio of the electroconductive carbonaceous film to the electroconductive substrate is 10% or more.
4. The electrolytic anode as in any of claims 1 , 2 or 3 ,
wherein the fluorine-containing substance is one of a fluorine gas or a nitrogen trifluoride.
5. A method for electrolytically synthesizing a fluorine-containing substance, comprising:
preparing an electrolytic anode comprising: an electroconductive substrate having a surface including an electroconductive carbonaceous material; and an electroconductive carbonaceous film having a diamond structure, the electroconductive carbonaceous film coating a part of the electroconductive carbonaceous substrate; and
performing electrolysis by using the electrolytic anode in an electrolytic bath containing a fluoride ion to obtain a fluorine-containing substance.
6. The method for electrolytically synthesizing a fluorine-containing substance according to claim 5 , wherein the fluorine-containing substance is one of a fluorine gas or a nitrogen trifluoride.