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Published byGilbert Whitehead Modified over 9 years ago
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Gasoline is made from fossil fuels …mostly oil
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Fossil Fuels Oil pumped from the ground
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This type of fuel will not last forever
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So, a new type of fuel needs to be made … An Alternative Fuel
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TOMORROWS ENERGY HYDROGEN
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The most abundant resource in the universe
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Hydrogen Atom
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H O H Defined: Hydrogen Electron An atom that has only one electron Hydrogen is a gas and when combined with oxygen… forms water H2O Symbol H
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HOW DO WE MAKE HYDROGEN ?
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Hydrogen gas can be made from water H20 But, no.. You can’t just put water in your car to make it run.
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Electrolysis Sending electricity through water will split the molecules of water apart, creating ………… Hydrogen Oxygen Scientific Fact
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Electricity is used to split the water molecule into its separate parts
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Now that we have hydrogen
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Defined: A fuel -cell is a device that converts this hydrogen into electricity … Emissions OUT Is Water IN
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Fuel Cells
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WATER VAPOR HYDROGEN ATOM IS SPLIT
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Fuel cell stacks…..
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SMALL FUEL CELL
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Fuel Cell Hydrogen tanks Electric Motor Hydrogen enters the fuel cell to create electricity that drives the electric motor for the wheels.
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ELECTRIC MOTOR
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HYDROGEN FUEL
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SKATEBOARD DESIGN
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The electric motor that will be used to drive the car of the future
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FUEL CELL CAR Only emissions out the exhaust is water vapor
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Future Cars that run on Hydrogen
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Example of a fuel-cell car
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Hydrogen filling station
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HYDROGEN TANK Under very high pressure
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2016 Toyota Mirai Hydrogen Vehicle Value $ 58,000
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Toyota Mirai at a hydrogen filling station
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In the last few years three automakers--Toyota, Honda, and Hyundai ----- have produced new cars. California is starting to build hydrogen filling stations. Range is comparable to gas-powered cars, about 300 miles. Automakers have avoided building fuel cell cars mainly because of the lack of filling stations. Electric Power
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Two carbon-fiber tanks store 11 pounds of hydrogen fuel under very high pressure (10,000 psi). In emergencies ( a crash), sensors trigger shutoff valves to keep hydrogen from escaping the tank.
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WHAT IS A FUEL CELL ? 1.
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A device that converts hydrogen into electricity 1.
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A FUEL CELL NEEDS WHAT TO CREATE ELECTRICITY ? 2.
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A constant flow of hydrogen flowing through it 2.
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What is it called when you split water molecules using electricity ? 3.
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ELECTROLYSIS 3.
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WHEN YOU SPLIT WATER, WHAT TWO PARTS ARE FORMED ? 4.
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Hydrogen Oxygen 4.
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WHAT TYPE OF EXHAUST IS PRODUCED BY A FUEL CELL ? 5.
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WATER VAPOR
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Do fuel cells create harmful emissions ? 6.
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No emissions 6.
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Does a fuel cell have moving parts ? 7.
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No moving parts 7.
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Several fuel cells connected together in a stack will do what to the power output ? 8.
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Increase power just like a battery 8.
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What actually drives the wheels on a fuel cell car ? 9.
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Electric Motor 9.
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10. How many electrons are in a hydrogen atom ?
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10. One electron
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Tomorrow’s Energy Source
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