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Re: PEM fuel cell deuterium generator

Posted: Wed Aug 20, 2014 9:49 pm
by Bob Reite
I took a two hole stopper and used a drill press to drill the third hole for my system.

Re: PEM fuel cell deuterium generator

Posted: Wed Aug 20, 2014 11:09 pm
by Dennis P Brown
Really an informative post since it is so difficult to get compressed deuterium gas! Good details, too.

The fuel cell is the exact one my daughter used for her "hydrogen" powered mini-model car (worked very well.) She had/used a solar cell to create the hydrogen (& oxygen) gas.

Re: PEM fuel cell deuterium generator

Posted: Thu Aug 21, 2014 6:33 pm
by Rich Feldman
What could be greener than H2 fuel made by electrolysis, using electricity from PV cells?
But people using lots of H2, such as for oil refining or ammonia-making (space shuttle fuel tanks were a drop in the bucket) know that
"Today, 95% of the hydrogen produced in the United States is made by natural gas reforming in large central plants."
Ref: http://energy.gov/eere/fuelcells/hydrogen-production

So electric cars powered by hydrogen fuel cells are just a more efficient fossil-fuel-driven technology.
But way cool, and hobby-scale PEM cells are a fringe benefit.

Re: PEM fuel cell deuterium generator

Posted: Mon Dec 22, 2014 7:17 pm
by Adam Szendrey
I'd say this is realted:
http://fuelcellstore.com/fuel-cell-stac ... -fuel-cell

Cheap, "reversible" (well all of them are really...maybe it's made to be more compatible (separate water fill inlet or something) with reverse operation? Not sure) PEM cell. 7 ml/min (claimed), not the fastest thing out there, but if you use a reservoir as suggested here, it can produce all the deuterium you need, on the cheap.

https://www.youtube.com/watch?v=oRpSfsE1zUg

Indeed seems to have a separate (third) port for filling...?

Glad to have found this thread, as I'm planning on using heavy water as well. 10 liters of D2 would cost me a whopping 280 USD...No thanks. I can get that from about a gram of D2O.

Re: PEM fuel cell deuterium generator

Posted: Sun Feb 28, 2016 11:51 pm
by Dave Xanatos
See what you all made me do???

:)
Parts6.jpg
Parts7.jpg
Parts8.jpg
My machinist is awesome.

Re: PEM fuel cell deuterium generator

Posted: Mon Feb 29, 2016 3:11 pm
by Richard Hull
Nice finish on the item.

Richard Hull

Re: PEM fuel cell deuterium generator

Posted: Tue Mar 01, 2016 2:54 am
by AllenWallace
Really nice! Are you going to put in a float switch or equivalent which will allow auto-demand?

Re: PEM fuel cell deuterium generator

Posted: Thu Mar 03, 2016 1:31 am
by Dave Xanatos
AllenWallace wrote:Really nice! Are you going to put in a float switch or equivalent which will allow auto-demand?
Hadn't thought of that, but I like the idea! Thanks!

Re: PEM fuel cell deuterium generator

Posted: Sat Mar 05, 2016 2:01 am
by Dave Xanatos
Deuterium Generator installed on the portable demo fusor...
Generator1.jpg
Generator2.jpg

Re: PEM fuel cell deuterium generator

Posted: Sat Mar 05, 2016 4:53 pm
by Rich Feldman
Ooh! Aah!