EP 1442158 A2 20040804 - ELECTROCHEMICAL HALF CELL
Title (en)
ELECTROCHEMICAL HALF CELL
Title (de)
ELEKTROCHEMISCHE HALBZELLE
Title (fr)
DEMI-CELLULE ELECTROCHIMIQUE
Publication
Application
Priority
- DE 10152791 A 20011025
- EP 0211787 W 20021022
Abstract (en)
[origin: WO03035939A2] An electrochemical half cell, particularly suitable for the production of chlorine from an aqueous solution of an alkaline chloride, comprises an electrode chamber (10) for electrolyte. Several gas pockets (20, 22) for gas are also provided. A gas diffusion electrode (36) separates the gas pockets (20, 22) from the electrode chamber (10). A connecting channel (26) is also provided, by means of which the two gas pockets (20, 22) are connected to each other. Gas in the lower gas pocket (20) can flow into the connecting channel (26) through an outlet opening (28). Said gas climbs therein in the direction of the arrow (46) and arrives in a second gas pocket (22), lying thereabove, through an inlet opening (30). According to the invention, a non-return element (40) is arranged in the connecting channel (26) to avoid ingress of electrolyte (42) into the gas pocket (22).
IPC 1-7
IPC 8 full level
C25B 1/46 (2006.01); C25B 9/19 (2021.01); C25B 15/08 (2006.01)
CPC (source: EP KR US)
C25B 1/26 (2013.01 - KR); C25B 1/46 (2013.01 - US); C25B 9/19 (2021.01 - EP KR US); C25B 11/031 (2021.01 - KR); C25B 15/08 (2013.01 - EP KR US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03035939 A2 20030501; WO 03035939 A3 20040108; AU 2002350591 A1 20030506; CA 2464638 A1 20030501; CN 1575354 A 20050202; DE 10152791 A1 20030508; EP 1442158 A2 20040804; HU P0401580 A2 20041129; HU P0401580 A3 20050728; JP 2005506455 A 20050303; KR 20040062953 A 20040709; US 2004262153 A1 20041230
DOCDB simple family (application)
EP 0211787 W 20021022; AU 2002350591 A 20021022; CA 2464638 A 20021022; CN 02821002 A 20021022; DE 10152791 A 20011025; EP 02785267 A 20021022; HU P0401580 A 20021022; JP 2003538433 A 20021022; KR 20047006032 A 20021022; US 49344104 A 20040423