A fuel cell _is_ a battery, of sorts. You just are continuously feeding the "battery" with fresh hydrogen and oxygen electrolyte.

Why convert from electricity to hydrogen and then back to electricity with the inevitable conversion step inefficiencies? Skip the hydrogen part and simply fill the car directly with electricity. The solution is obvious if you just step back and think for a few moments about the entire process and the goal you are trying to achieve.

Bill D.

On 5/25/2017 9:26 AM, 63urban via EV wrote:
If hydrogen can be used as a battery then it would not be a waste as the cost of solar comes down you have a use for excess capacity

Sent from my Bell Samsung device over Canada's largest network.

-------- Original message --------
From: Peri Hartman via EV <ev@lists.evdl.org>
Date: 2017-05-25  11:14 AM  (GMT-05:00)
To: Electric Vehicle Discussion List <ev@lists.evdl.org>
Subject: Re: [EVDL] EVDL: Hydrogen - here we go again? (or maybe?)

Perhaps at some point. However, solar panels are still expensive and
inefficient enough that it seems like a waste to convert their
electricity to hydrogen. If I remember correctly, you'll loose 50% of
the energy during that step versus maybe an 80% overall efficiency level
for an EV.


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