Gas diffusion electrode for electrolyte-percolating cells

Details Gas diffusion electrode for electrolyte-percolating cells Gas diffusion electrode for electrolyte-percolating cells

2011-07-05

2011-07-05

Bell, Bruce F (Department: 1759)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S252000, C204S242000, C204S275100, C204S265000, C204S266000, C204S277000, C204S278000

Reexamination Certificate

active

07972484

ABSTRACT:
The invention relates to a gas-diffusion electrode for chlor-alkali electrolysis cells integrated in a percolator of plastic porous material suitable for being vertically crossed by a downward flow of electrolyte. The electrode comprises a catalytic composition based on silver and/or nickel mixed to a polymeric binder, directly supported on the percolator without any interposed reticulated metal current collector.

REFERENCES:
patent: 4435267 (1984-03-01), Batzold et al.
patent: 7083708 (2006-08-01), Chlistunoff et al.
patent: 2001/0045364 (2001-11-01), Hockaday et al.
patent: 2005/0000798 (2005-01-01), Faita et al.
patent: 2005/0026005 (2005-02-01), Chlistunoff et al.
patent: 2005/0029116 (2005-02-01), Bulan et al.
patent: 2005/0183951 (2005-08-01), Oldani et al.
patent: WO 98/45503 (1998-10-01), None
patent: WO 01/57290 (2001-08-01), None
International Search Report for PCT/EP2007/053564 Mailed Dec. 3, 2007.

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