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FLT Battery Hydrogen evolution calc
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Markiebaby  
#1 Posted : 19 July 2011 10:33:56(UTC)
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Markiebaby
Does anyone have, or know where I can find (other than the HSE calc), a calculation for the evolution of hydrogen from standard lead-acid FLT batteries in cubic metres that takes into account the variations in current used in modern chargers once certain charge levels have been reached. (NB: I did have one but have lost all confidence in it) Thanks
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A Kurdziel  
#2 Posted : 19 July 2011 11:25:39(UTC)
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A Kurdziel
I am not an expert but surely this will depend on things like- temperature, amount of charge and state of the electrolyte etc.
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Zimmy  
#3 Posted : 19 July 2011 11:39:42(UTC)
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Zimmy
Calcs are fine but in the real world I'd stick to the hydrometer bubble thingy Zimy
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bleve  
#4 Posted : 20 July 2011 02:56:17(UTC)
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bleve
Gas generation in a vented flooded cell can be calculated from the overcharge current, 1 amp per hour of overcharge current will generate hydrogen at: q= 0,45 x 10-3 m3/(Ah)
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