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Hydrogen Fuel Cells
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HYDROGEN FUEL CELL
By Ploy
What is a Fuel Cell
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How They Work
How Does It Work
How It Works
Hydrogen Fuel Cell
Hydrogen Fuel Cells
Diagram
Inside of a Hydrogen Fuel Cell
2
What They Look Like Inside
Inside
Chemicals Involved
- At the Anode
- Catalyst
- Platinum - usual
- At the Cathode
- Catalyst
- Nickel - often
- Electrolyte
- Defines type of cell
- Potassium hydroxide, salt carbonates, phosphoric acid
- Fuel that is used
- Common - Hydrogen
- Gas diffusion layers
- Resist oxidation
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Types of Chemicals Involved
Hydrogen - Oxygen Fuel Cell
Hydrogen Fuel Cell
- Electrolyte : Sodium Hydroxide
- Hydrogen: Cathode
- Water : Byproduct
- Oxygen : Anode
CONS
PROS
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Pros and Cons
MORE PROS
- Efficient conversion to electricity
- Not dependent on size - efficient
- Highly useful
- Don't degrade
- Flexible and Easy to Install
MORE CONS
- Incompatible with certain technologies
- Escaped hydrogen could harm environment
- Complex infrastructure
WORTH IT?
So...
Are Hydrogen Fuel Cells Worth Using?
TO AN EXTENT
Applications
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Applications
More Specific Applications
Applications For Hydrogen Fuel Cells
The Future of Hydrogen Fuel Cells
- Challenges
- reduce cost
- improve durability
- Short term/Medium Term:
- Transport main
- initially in competition with natural gas and companies (developed)
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- Long term:
- Cost several times higher than current gas price
- Replace petroleum fuel
- lies in its ability for electrolysis of water to occur
The Future of Hydrogen Fuel Cells
Fuel Cell vs Electrolysis
Stationary Fuel Cells
Stationary Fuel Cell
Portable Fuel Cells
Portable Fuel Cells
References
http://www.worldwatch.org/node/4516
https://www.fool.com/investing/general/2014/06/07/why-hydrogen-fuel-cells-have-no-future.aspx
https://en.wikipedia.org/wiki/Fuel_cell
https://www.scania.com/group/en/hydrogen-a-fuel-of-the-future/
https://greengarageblog.org/26-significant-pros-and-cons-of-hydrogen-fuel-cells
http://www.docbrown.info/page01/ExIndChem/electrochemistry11.htm
https://chemistryguru.com.sg/hydrogen-oxygen-fuel-cell-electrochem
https://www.energy.gov/eere/fuelcells/doe-technical-targets-hydrogen-production-electrolysis
https://www.youtube.com/watch?time_continue=7&v=c3PkgUcI4Z8
https://www.nationalgeographic.com/environment/global-warming/fuel-cells/
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THANK YOU