Sumitomo built a prototype of an electric passenger car powered by superconductors at high temperatures cooled by a liquid nitrogen engine
The Japanese company Sumitomo Electric this week launched the world's first car that operates using superconductivity. It is an electric passenger car powered by superconductors at high temperatures cooled by a liquid nitrogen engine.
Superconductors are materials that can conduct electric current without resistance and are therefore considered the most efficient and optimal materials for motors and generators. Superconductors are mostly used in medical devices, and in linear motors such as trains. But so far, no superconductor-powered car has been created, Sumitomo says, which developed a super-strong superconductor motor last year.
Sumitomo's motor is connected using cables capable of superconducting at high temperatures, instead of the usual cables used in electric cars. When the cables are cooled to a temperature of minus 200 degrees Celsius, the electrical resistance drops close to zero, and thus the motor can operate efficiently in terms of energy. In other words, the motor uses less electricity to do the same amount of work.
The development comes to answer the growing demand for electric cars, while the industry is trying to improve the performance of the cars' engines and batteries. The goal is to increase the travel distance with each battery charge.
Sumitomo intends to further improve the engine so that such cars can enter the market in the near future. The company wants to develop a superconducting engine for buses and trucks as well.
For the extended news on a Japanese website dealing with technology
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Regarding response 8:
It turns out, as expected - it didn't quite work out.
http://www.genepax.co.jp/
Sounds interesting, but I don't understand one thing:
Is the liquid nitrogen cooled by some energy, or is it compressed in some container
Lowers the temperature by hundreds of degrees?
I would like the publisher of the article to answer this question.
Fibonacci.
Not nice and not fair
This site is a pure gem, in a sea of sites dripping with garbage.
Even if there are mistakes here and there, it is still important to praise and support.
And from the horse himself:
http://www.sei.co.jp/news_e/press/05/05_07.html
A little more here:
http://www.greencarcongress.com/2008/06/sumitomo-electr.html
If anyone wants to read a little more about the subject, they are welcome to do so here:
http://www.pinktentacle.com/2008/06/superconductor-electric-vehicle/
the guide of the universe
It is not a matter of minimal savings in transmission but of minimal knowledge in reading and translating from English to Hebrew. It is not enough to know the words and syntax to also understand what is written and in this the translator receives a failing grade.
It seems to the website owners that it is more important to clash with matters of faith than to deal with science
Nowhere in the article does it say that the engine itself becomes more efficient.
That is, what is optimized is the cable between the battery and the consumer.
In my estimation, there is a savings of a few percent here.
But every action of private industry must be carefully evaluated.
palm tree! The car runs on any kind of water and even on tea!
Below the link's article showing a demo video there are more details
fibonacci,
The only shameful thing here is your speech. I suggest you maintain a proper level of discourse, and also read to the end before you jump.
palm tree:
If you believe everything else - why don't you believe when they say it will also work with sea water?
To Shmulik - at first it sounds like the invention of the genius. But - and this is a big but - there is a question here as to whether it is also possible to use salt water (sea water for that matter). If the answer is negative, unfortunately fresh water is an even rarer resource than oil, and our reward was our loss.
And what do you think of the water powered car featured here?
http://www.engadget.com/2008/06/13/genepax-shows-off-water-powered-fuel-cell-vehicle/
Do you think it's serious or another spin following the oil crisis?
Not exactly practical in the near future.
to Fibonacci
Although I also wonder about it, know that it is not about the conductors carrying electricity to the motor being superconductors, but also and especially the conductors from which the coils of the motor are made.
I also assume that if you develop and do it - it is worthwhile, but I still lack the explanation of how the gain in preventing resistance losses exceeds the investment of the cooling energy. By and large, it makes me associate with Perpetaum as a leader, and I'm not claiming that's the point here.
Friends:
If your questions had come up regardless of the article, I wouldn't know the answer, but since I assume that the Sumitomo company is not stupid and wants to make a profit, I must assume that they looked into the issue and came to the conclusion that it is economic.
So it is possible that they are wrong - but certainly not by a large amount and therefore probably the electric engine (which operates almost without resistance) does not produce much heat and therefore does not ignite and it is possible that good insulation between most of the engine components and the atmosphere and the effective reduction of friction in the moving parts allow effective preservation of the nitrogen temperature.
Is the energy that is gained because the superconductors have no losses, greater than the energy that needs to be invested in cooling?
So we want a detailed explanation why the bottom line is the development described here is worthwhile.
Avi Blizovsky
Maybe the translation should match the original. Now the article comes out a little embarrassed as a result of the poor translation. It's possible that the site is intended for enthusiasts who won't notice, and anyway someone might ask themselves if it's worth all the trouble just for the cables that connect the engine to the power source.
A small step in introducing technology that is not particularly new, to the best of my incomplete understanding. Liquid nitrogen is a very expensive substance, even though it makes up the vast majority of our atmosphere. Cooling something hot sounds to me like an operation that requires a lot of liquid nitrogen. Well... good luck. In the end everything is a question of commercial efficiency and market forces are relatively simple: what is more expensive, in the end, does not succeed.
"Excuse me, refueling, can you fill me with a full tank of liquid nitrogen?"