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Michelin/PSI Concept HY-LIGHT Fuel Cell Vehicle

Hy_light_3_4

Michelin, working in partnership with the Paul Scherrer Institut (PSI) developed a concept hydrogen fuel-cell car, the Michelin HY-LIGHT, unveiled at the Challenge Bibendum in Shanghai.

The HY-LIGHT features twin electric motors mounted in the front wheels and an active electric suspension, combined with supercapacitors for storage of the electricity generated by braking. The electricity from these capacitors can boost the output of the motors from 30 kW (41 hp) to 45 kW (60 hp) for a short time.

PSI developed the fuel cell, which operates at an efficiency level of about 60%. Michelin created the whole power train, the electric motors and the chassis management system, based on an active electric suspension: Michelin’s Active Wheel, introduced a few weeks ago in Paris.

With the Michelin Active Wheel there is no longer any separate link between the vehicle’s powerplant and the wheels. This eliminates the need for a number of subassemblies, such as the transmission, clutch, differential, anti-roll bar, vertical drive shaft and universal joints. Among the benefits of the Michelin Active Wheel system are lower weight and simpler transmission of movement.

Hydrogen and oxygen are stored in tanks fitted into the structure of the vehicle and well protected against shocks; no details on the manufacturer or the storage capacity or pressure.

The HY-LIGHT carries up to four passengers while only weighing 850 kilograms (1,874 pounds). Top speed is 130 km/h (80.8 mph), acceleration is 0 to 100 km/h (62 mph) in 12 seconds and range is around 400 kilometers (249 miles) (all aided by the low weight of the vehicle).

For their concept scenario, Michelin and PSI specified hydrogen production through electrolysis from electricity generated by solar panels, and had the Electrical Power Company of Fribourg design and build a prototype fueling installation.

Comments

John Norris

Cool. This is the first vehicle I've seen that embodies Amory Lovin's ideas on H2 and fuel cells, particularly (relatively) low weight. GM's Hy-wire doesn't count - it's over 5000 lbs if I remember correctly.

dawn

WOW! just WOW! i cant wait till these come out on the market i am going to save up for one! i think the idea of a green car is wonderful. i have just begun to live a "greener" life using recycled products, and just trying to live healthier for both me and mother earth. I love the concept car its SO CUTE! 242 miles is nice.. and the car going no more then 80 is not a bad idea eaither.. after al who needs to go faster then that when the speed limit (in the us anyway) is rarly over 70.. again i think its a great idea and i cant wait to get one!
-dawn

Nicolas

Great car, great idea and I love the active wheel (solves a lot problems).
But 60% efficiency is ... let's say: slightly optimistic. Not mentioned is the additional gas bottle with o2 which is needed since normal air won't work.

It's a great concept but unfortunately still very far from reality. As much as I like such concepts I prefer to know the whole story.

Mike

More detail—such as the O2 bottle, is in the subsequent post.

jnbnt

hy

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