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  A cyclone flow cell for the investigation of gas-diffusion electrodes

Sundmacher, K. (1999). A cyclone flow cell for the investigation of gas-diffusion electrodes. Journal of Applied Electrochemistry, 29(8), 919-926. doi:10.1023/A:1003553007033.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A291-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-7B7E-C
Genre: Journal Article

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 Creators:
Sundmacher, Kai1, 2, Author              
Affiliations:
1Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: Electrochemical gas-liquid reactions can be efficiently carried out at porous gas diffusion electrodes (GDE). These electrodes are simultancously in contact with a gas phase and a liquidphase. For the design and scale-up of electrochemical reactors based on these GDE their mocrokinetic behaviour (i.e., the interaction of reaction and internal mass transport phenomena) must be investigated under well defined external mass transfer conditions and controlled wetting conditions. To meet these requirements, a novel cyclone cell has been designed in which two vortex flow fields are realised on either side of a horizontally positioned GDE. The external mass transfer coefficients in this cell are determined from limiting current measurements for the oxidation of Fe (CN6) 4-.

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 Dates: 1999
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 111989
Other: 47
DOI: 10.1023/A:1003553007033
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Title: Journal of Applied Electrochemistry
Source Genre: Journal
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Pages: - Volume / Issue: 29 (8) Sequence Number: - Start / End Page: 919 - 926 Identifier: -