Conductive diamond electrode and process for producing the same

Details Conductive diamond electrode and process for producing the same Conductive diamond electrode and process for producing the same

2007-10-23

2007-10-23

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C205S350000, C205S357000, C205S359000, C205S555000, C205S556000, C204S290010, C204S290150

Reexamination Certificate

active

11220685

ABSTRACT:
A conductive diamond electrode including a conductive substrate comprising a carbonaceous material, a conductive diamond catalyst layer formed on a surface of the conductive substrate, and a carbon fluoride formed on an exposed portion present on the surface of the conductive substrate. The formed carbon fluoride prevents the conductive substrate from contacting with an electrolytic solution, thereby suppressing corrosion of the substrate. A long life of the electrode can be attained.

REFERENCES:
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patent: 1 568 798 (2005-08-01), None
patent: 2 149 831 (2000-05-01), None
Heidi B. Martin et al., “Voltammetry Studies of Single-Crystal and Polycrystalline Diamond Electrodes” (1999), Journal of The Electrochemical Society, vol. 146, No. 8, pp. 2959-2964, no month available.
G. Sine et al., “Electrochemical Behavior of Fluorinated Boron-Doped Diamond” (2003), Electrochemical and Solid-State Letters, vol. 6, No. 9, pp. D9-D11, no month available.
Tzu-Chi Kuo et al., “Electrochemical Modification of Boron-Doped Chemical Vapor Deposited Diamond Surfaces with Covalently Bonded Monolayers” (1999), Electrochemical and Solid-State Letters, vol. 2, No. 6, pp. 288-290, no month available.
Sergio Ferro et al., “Physicochemical Properties of Fluorinated Diamond Electrodes” (2003), J. Phys. Chem. B., vol. 107, pp. 7567-7573, no month available.
Sergio Ferro et al., “The 5-V Window of Polarizability of Fluorinated Diamond Electrodes in Aqueous Solutions” (2003), Anal. Chem., vol. 75, pp. 7040-7042, no month available.
Patent Abstracts of Japan (JP-A-60-005010) Arakawa Tatsumi, “Preparation of Carbon Fluoride”, no month/year available.
European Search Report dated Jan. 10, 2006.

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