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Hydrogen fuel cell vehicles
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Hydrogen Fuel Cell Vehicles
https://www.bloomberg.com/opinion/articles/2019-03-23/now-china-wants-to-lead-the-world-in-hydrogen-fuel-cells
Hydrogen Fuel Cell?
Introduction
“In 2009, the Chinese government launched “Ten Cities, Thousand Vehicles,” a program to stimulate electric-vehicle sales through large-scale pilots. A decade later, China is the world's battery-electric king.”
- (Bloomberg Magazine)
Fuel Cell?
What is a fuel cell?
- Union of Concerned Scientists
- Hydrogen Fuel Cell Vehicles
- 2016 Toyota Mirai powered by Hydrogen
How?
Electrochemical reaction
What happens in a fuel cell is called an electrochemical reaction. It is a chemical reaction involving two chemical joined together and producing electricity as a result.
Hydrogen Fuel cell
- Toyota.com
Advantages
Benefits:
Energy Efficiency
Internal combustion engines- efficiency around 25%
Power plants - 35% efficiency;
Fuel cell- 80%.
Environmental Impact
When hydrogen is used to power a fuel cell, the only by-products are water and heat—no pollutants or greenhouse gases are produced
“Hydrogen fuel cell vehicles do not need charging; instead, they require onboard hydrogen tanks
“You fuel up with hydrogen in the same way you would a gas-powered vehicle. The hydrogen is stored in carbon fibre, high-impact resistant tanks. Energy is captured every time you hit the brakes, conserving power and creating even better efficiency.”
- Toyota, Mirai
Disadvantages?
While hydrogen energy has a lot of admirable benefits, it’s not really the outright preferable, clean and cheap energy source for most governments and companies.
- Cost - Recent estimates show that it costs about $200,000 per mile to create a core network for moving gas or liquid versions of this fuel.
- Hydrogen has a lower density.
This means that it has to be compressed to liquid state to guarantee its effectiveness.
- Extremely flammable
- If enough hydrogen were to be released into the air, it could interfere with the current ozone balance that protects us from ultraviolet radiation.
- produced by fossil fuels
Connections
Connections
Sources Used:
(n.d.). Retrieved from https://www.bloomberg.com/opinion/articles/2019-03-23/now-china-wants-to-lead-the-world-in-hydrogen-fuel-cells
Advantages & Disadvantages of Hydrogen Energy. (2017, January 17). Retrieved from https://www.conserve-energy-future.com/advantages_disadvantages_hydrogenenergy.php
D'Allegro, J. (2019, February 24). Elon Musk says the tech is 'mind-bogglingly stupid,' but hydrogen cars may yet threaten Tesla. Retrieved from https://www.cnbc.com/2019/02/21/musk-calls-hydrogen-fuel-cells-stupid-but-tech-may-threaten-tesla.html
Fuel Cells Can Offer Clean and Portable Energy. (2009, October 09). Retrieved from https://www.nationalgeographic.com/environment/global-warming/fuel-cells/
Hydrogen Fuel Cell Technology. (n.d.). Retrieved from https://www.toyota.ca/toyota/en/safety-innovation/hydrogen-fuel-cell-mirai
Hydrogen storage: The major technological barrier to the development of hydrogen fuel cell cars. (2006, July 07). Retrieved from https://www.sciencedirect.com/science/article/pii/S0042207X06001485Lampton, C. (2008, September 04).
What are the benefits of hydrogen-powered vehicles? Retrieved from https://auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-vehicle-benefit3.htmWalker, K. (2017, July 24).
What are Hydrogen Fuel Cells Used For? Retrieved from https://www.azocleantech.com/article.aspx?ArticleID=333Wofford, T., & Wofford, T. (2016, September 20).
Toyota is using human waste to power its new electric car. Retrieved from https://qz.com/785654/toyota-is-using-sewage-sludge-to-power-its-new-electric-car/