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Old 09-02-2010, 08:23 PM   #1
Dragan OP
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OK, now this is cool....

the Fedex man came this afternoon and brought me a new gizmo. A Horizon Fuel cell technologies "Minipak". This thing looks pretty cool......

It's about the size of a Blackberry, and a hydrogen fuel cell battery recharger is what it is. you screw in a rechargeable cartridge that through some sort of chemistry class voodoo apparently stores hydrogen in some sort of non pressurized solid state, from which the little fuel cell thingy generates power ( allegedly 12watthours) per cartridge. I have my ipad plugged into as I type this, and I'm watching it charge..

It's the BLACK ARTS, I tell ya!!!!!!!!!!
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Old 09-03-2010, 07:21 AM   #2
Manuel Garcia O'Kely
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Useless w/out pics and prices eh?
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Old 09-03-2010, 08:15 AM   #3
Dragan OP
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you're right of course. Pic's I can't do right now; wife has the camera. price is 99.
here's the website

http://www.horizonfuelcell.com/electronics.htm

pretty slick little gizmo. it's output is enough to charge an ipad no problem. Im doing a trip into Nicaragua in October and planning on using it for off the grid recharging
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Old 09-03-2010, 09:19 AM   #4
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Yep, that's VooDoo!!
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Old 09-03-2010, 09:35 AM   #5
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Way cool. Especially once that HydroFill part becomes available.
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Old 11-14-2012, 03:39 PM   #6
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I started looking at these yesterday. I was shocked that it existed.

From what I can gather, hydrogen is stored solid-state form, in some kind of metal hydride matrix in a cartridge called a HYDROSTIK.



The hydrogen inside is consumed from the tube by a device called a Minipak. Which is basically a hydrogen fuel cell powered USB port.


You can choose to buy these Hydrostiks at the cost of 12$ a pop, and they are roughly equal to two complete Iphone charges.

Or you can refill them. You can either use this device:

Which consumes 25w of electricity and distilled water to create hydrogen for the Hydrostik,

Or you can allegedly buy industrial hydrogen and fill it directly. Though, I've yet to see someone do it.


I doubt dealing with high pressure hydrogen is any more dangerous than acetylene, but you should probably try it outdoors...

All this stuff is sold at REI now. I was thinking about getting one once I sell my BMW wheels. If I get one, I'll start a new thread in Equipment.
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Old 11-14-2012, 03:57 PM   #7
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Looks like the conversion rate they're getting is a shade under 50%.

Quote:
The HYDROFILL system is designed to refill Horizon's HYDROSTIK solid hydrogen cartridges automatically, using a high performance water-based system, from which hydrogen is extracted. 25W DC power is enough to produce 10 liters of hydrogen per hour, or fill one HYDROSTIK cartridge.
Quote:
Each HYDROSTIK can store 11Wh of energy, which is enough for 1-2 charges of a 3G smartphone or 2-3 charges for the average cellphone.
Interesting.

W.A.
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Old 11-14-2012, 04:12 PM   #8
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Originally Posted by Buccleuch View Post
Looks like the conversion rate they're getting is a shade under 50%.



Interesting.

W.A.
That's 25W draw at a moment I think, not over time. That was just a spec I found. I believe it take 4 hours to charge. I don't know if that math is correct but I would say it's probably 100w to charge for 10-11w of hydrogen.
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Old 11-14-2012, 07:28 PM   #9
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Their list price is about $115 for the 2 watt generator - barely enough for an Iphone, and $280 to $580 for the AC powered generator, or you can carry a few dozen fuel cartridges?

Folding solar panels look pretty attractive by comparison.

I'm sure they are useful in some locations and applications.
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Old 11-17-2012, 05:58 AM   #10
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Quote:
Originally Posted by Snarky View Post

Or you can refill them. You can either use this device:

I doubt dealing with high pressure hydrogen is any more dangerous than acetylene, but you should probably try it outdoors...
.
Hydrogen burns with an invisible flame. I would never recommend having H2 cylinders around anyone's home. Acetylene has an odor that can be detected when leaking, H2 got nothin.

One problem with converting H2 into electircity is that the voltage has to be very well controlled, otherwise you end up creating enough heat and unstable products - bang. Haven't seen it in person, but have heard testimony to the fact.
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Old 11-17-2012, 01:37 PM   #11
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Quote:
Originally Posted by Manuel Garcia O'Kely View Post

Folding solar panels look pretty attractive by comparison.
You mean those shiny panels that are allegedly make electricity from that strange yellow orb in the sky that appears once every month or so around here?

We got plenty of water here, not a lot of sun.

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Old 11-17-2012, 02:55 PM   #12
Manuel Garcia O'Kely
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Originally Posted by CodeMonkee View Post
You mean those shiny panels that are allegedly make electricity from that strange yellow orb in the sky that appears once every month or so around here?

We got plenty of water here, not a lot of sun.

Well, carry a spare battery then, it will weigh less and be easier to use.

I mean, I'm sure it's a nifty gizmo and all, but Hydrogen is such a poor fuel choice.
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