Determination of alcohol concentration in an electrolyte of...

Details Determination of alcohol concentration in an electrolyte of... Determination of alcohol concentration in an electrolyte of...

H - Electricity

01

M

H01M 8/04 (2006.01) G01N 27/22 (2006.01)

Patent

CA 2385639

The invention relates to a method for determining alcohol concentration in an alcohol/water-mixture of fuel cells operated using said mixture, in particular direct-methanol-fuel cells, whereby the measuring parameter is volume dependent. Carbon dioxide formed during operation of the cell is dissolved in said mixture by increasing the pressure on said alcohol/water-mixture.

L'invention concerne un procédé de détermination de la concentration d'alcool dans le mélange alcool/eau faisant fonctionner des piles à combustible, en particulier des piles à combustible direct à méthanol, la grandeur de mesure étant fonction du volume. Selon ledit procédé, le dioxyde de carbone formé pendant le fonctionnement des piles à combustible est dissous dans le mélange alcool/eau par élévation de la pression s'exerçant sur ledit mélange.

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