Hi, I've been reading about fuel cells and I've been wondering if it could be powered using salt water and oxygen from the air. Is it possible?
Thank you.
Fuel cell questions
Moderators: kgudger, bfinio, MadelineB, Moderators
-
mak
- Posts: 5
- Joined: Sun Sep 16, 2012 3:42 pm
- Occupation: Student 9th Grade
- Project Question: Finding a project
- Project Due Date: I have 3-5 months to prepare.
- Project Status: Not applicable
-
deleted-73970
- Former Student Expert
- Posts: 117
- Joined: Sun Sep 11, 2011 6:14 am
- Occupation: Student: 12th grade
- Project Question: n/a
- Project Due Date: n/a
- Project Status: Not applicable
Re: Fuel cell questions
Hi mak,
It's funny that you bring this up because I was just reading about salt-water fuel cell cars made by this company called Jameco. (Maybe you've heard of it?) They come close to what you mentioned, but they do need a little more than just saltwater (the electrode) and the air (the cathode, in the form of a carbon sheet). This extra bit that I'm talking about is magnesium (the anode). So the answer to your question is no, not with just those two materials. You need an anode in order to complete the fuel cell.
It's funny that you bring this up because I was just reading about salt-water fuel cell cars made by this company called Jameco. (Maybe you've heard of it?) They come close to what you mentioned, but they do need a little more than just saltwater (the electrode) and the air (the cathode, in the form of a carbon sheet). This extra bit that I'm talking about is magnesium (the anode). So the answer to your question is no, not with just those two materials. You need an anode in order to complete the fuel cell.
Need an idea or some inspiration?
http://www.sciencebuddies.org/science-fair-projects/project_ideas.shtml
Want to read up on awesome projects and science/math-related news?
http://www.sciencebuddies.org/blog/index.php
Enjoy!
-RM, Expert
http://www.sciencebuddies.org/science-fair-projects/project_ideas.shtml
Want to read up on awesome projects and science/math-related news?
http://www.sciencebuddies.org/blog/index.php
Enjoy!
-RM, Expert
-
billeykamp
- Posts: 11
- Joined: Mon Dec 19, 2011 3:09 pm
- Occupation: retired
- Project Question: n/a
- Project Due Date: n/a
- Project Status: Not applicable
Re: Fuel cell questions
I believe that the answer of Mg, Carbon and salt water would make this a battery, not a fuel cell. Batteries like this have been around for at least a century.

