Honda's video guide to Hydrogen fuel cell technology in cars (eg. FCX Clarity)

author HondaVideo   8 год. назад

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Why Battery Packs Are Winning Over Hydrogen Fuel Cells (For Both Cars and Energy)

Follow me on Twitter: Follow the show on Twitter Buy Transport Evolved SWAG : Support us on Patreon: ——— Just eight years ago, analysts ( were predicting that the cost of making cars electric would add an additional $14,400 to the price of a new car, while hydrogen fuel cell technology would add just under $5,300 to the cost of a new car if it was powered by hydrogen.  Yet today, as battery electric vehicles are starting to gain appreciable acceptance in the mainstream marketplace and static battery energy storage products are starting to flood the market, hydrogen fuel cell technology seems to be struggling to grow at all.  How were analysts were wrong? What advantages do battery packs have over hydrogen fuel cells? And what does it mean for the future of both transportation and energy storage?  Watch the video above to find out, subscribe to our YouTube channel, and support Transport Evolved at Patreon. (

The Battery Revolution. End of Gasoline?

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Fuel cell technology from EDF's Energy Innovation Series

Follow EDF's Energy Innovation Series at About this fuel cell innovation: Bloom Energy's Bloom Box is made up of solid oxide fuel cells (SOFCs), which efficiently and electrochemically convert fuel into low-carbon, baseload electricity. The Bloom Box's fuel flexibility with both fossil fuels and renewable resources helps to ensure efficient and reliable power generation with significantly lower carbon impacts. Learn more about energy storage innovation at

PEM Fuel Cell: How it works

A short animation to explain how a Proton Exchange Membrane Fuel Cell (PEMFC) works. What are the electro-chemical reactions happening in a fuel cell? Find it watching this video. You get get much more information on fuel cells reading the dedicated part at Look for the "Fuel Cells Explained" section at the bottom of the home page.

Linde standard hydrogen filling station with IC90 compressor

For hydrogen fuelling stations, Linde has developed a 5-stage ionic compressor. The pistons of the machine move up and down hydraulically. On the top of the pistons there is the ionic liquid which is compressed through the compressor cylinder as a "liquid piston" together with the hydrogen. At the end of the compression process the ionic liquid is separated from the hydrogen by the separators and returned to circulation. This design results in less wear and tear as well as much higher energy efficiency thanks to optimized cooling and avoidance of parasitic volume during the compression process. Compared to a conventional piston compressor, energy savings is around 40%.

Honda's guide to how the technology in its hydrogen fuel cell production vehicle - the FCX Clarity - works.

"Fuel cell cars, which run on electricity produced from compressed Hydrogen, emit zero harmful emissions and could be the future of motoring. They can be just as fast, practical, and can travel as far as a conventional petrol or diesel engine car, but the technology is very different. And importantly, the only thing that comes out of the exhaust is water vapour.

Rather than having a petrol or diesel tank like a conventional car, the fuel cell car has a tank that stores compressed Hydrogen as a gas. Hydrogen is used as an energy carrier, so that the fuel cell car can produce its own electricity onboard, rather than storing it in batteries.

This compressed Hydrogen is expanded and then fed into the fuel cell stack. The fuel cell stack is like a tiny electric power station. Inside it, the Hydrogen combines with Oxygen from the air to generate electricity and water as a byproduct. Water vapour is the fuel cell car's only emission.

The electricity created inside the fuel cell stack is used to power the electric motor, which is, in turn, used to drive the car. The fuel cell stack is made up of hundreds of individual cells stacked together like a loaf of bread. In fact, each cell is like a sandwich, with a Membrane Electrode Assembly (or MEA) between two separators (or Bi-Polar plates). The MEA is made up of a Proton Exchange Membrane, or PEM, which sits between Hydrogen and Oxygen electrode layers and gas diffusion layers.

In each cell, Hydrogen gas passes over the Hydrogen electrode. Each Hydrogen atom is converted into a Hydrogen ion in a catalytic reaction, releasing an electron in the process. The Hydrogen ions then pass through the electrolytic membrane, where they bond with Oxygen ions straight from the atmosphere. The previously emitted electrons from the Hydrogen molecules arrive at the Oxygen electrode via an external circuit. The released electrons create a flow of direct electrical current in the external circuit, and water is generated at the Oxygen electrode as a byproduct. This water is drained from the system and exits the car as water vapour via the exhaust.

Because the electricity is generated from Hydrogen and Oxygen, no Carbon Dioxide or other polluants are emitted from the car. It's the ultimate in clean performance.

Honda's FCX Clarity is the world's first production fuel cell car and is already on sale in the US and Japan."

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