Fuel cells

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Joined: 07/26/2008
Points: 65

Any information on a 36V 10 amp fuel cell for the E-bikes?
I've done web searches and I have even googled it but haven't found any info.

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Joined: 07/07/2007
Points: 1674
Re: Fuel cells

my first question is why?
and my next is what are you planning on running the fuel cell on?

i do remember coming across a methanol fuel cell that would fit on a bike, however the cost of the methanol and the fuel cell were extreme, even by electric standards.
ill post the link if i find it again.



Daily Ride:
2007 Vectrix, modified with 42 x Thundersky 60Ah
Vectrix 60Ah Lithium Tyres Fuel Registration Insurance cycle analyst 2 x TC Charger & MC
Spent so far: $5800 + $7000 + $2040 + $1200 + $425 + $800 + $140 + $3000
Cost to do it again: $1000 + $3800 + $2040 + $1200 + $425 + $800 + $140 + $1500 (lasts longer)
Cost for a Petrol bike:$6000 + + $1440 + $7560 + $1000 + $1600 + $4000 servicing
Total spent: $20405
Total to do again: $10905
Total to have used a petrol bike: $21600
Total distance travelled so far: 102'120km

Other vehicles:
2008 Mazda 2 conversion
2009 Blade Electron
1997 Prius - plugin hybrid mod

Joined: 07/26/2008
Points: 65
Re: Fuel cells

Reason : The range on the battery is so limited. $600 lithium is good for only 15 miles or so. My SLAs are down to 3-4 miles.

Also I just read that the fuel cell was finally going to be ready for mass production for a wide variety of gadgets such as computer batt, Ipods , etc. Cheap fuel cells for all. Maybe the prediction is like the cure for cancer which is always within the next few years.

reikiman's picture
Joined: 11/19/2006
Points: 8448
Re: Fuel cells

Did you see this?


The EVCAST had coverage of a fuel cell system for small vehicles. The power level is enough to power a small EV like a bicycle but not high enough to make it suitable for recharging a large EV. That particular vendor though made it so their fuel canister is a proprietary shape/size/connector which you can only buy from them.

You say you want a fuel cell for extended range .. but where are you going to get the hydrogen? Having a fuel cell is going to make you dependent on a source of hydrogen, you probably do not have an electrolyzer at home, and ...?


- David Herron, The Long Tail Pipe, davidherron.com, 7gen.com, What is Reiki
- Electrified Electra Townie, 1971 Karmann Ghia (since sold), Kia Soul EV

Joined: 12/12/2007
Points: 295
Re: Fuel cells

Agreed David, The longer the molecule, the higher the heat required to strip H2 from a dense liquid hydrocarbon.

Methanol is the most affordable low-temp reformer fuel and it still takes a couple hundred degrees F (IIRC)

The other fuel cell hydrogen is dry compressed H2. You can make it with a VAWT-driven wind-electrolyzer, a compressor, and expired-date firemans composite air bottles, but even then...

Fuel cells are available to the public, but are large and expensive.

Lithium batteries cheaper and easier by a factor of 100:1?

I am crossing my fingers for a physics breakthrough (or an "Instructables" home fuel-cell from free junk), but I am not holding my breath...

Joined: 07/26/2008
Points: 65
Re: Fuel cells

Thanks for the info. Yep, I'm looking for an inexpensive fuel cell that would run on something like rubbing alcohol! Guess I will have to get Scotty to beam me to the future !

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