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Towards commercialization of high-temperature superconductors
Posted on Thursday, September 06, 2007 @ 23:33:41 UTC by vlad

Science As high-temperature superconductors (HTS) enter their third decade, the commercialization of reliable and energy-efficient HTS-technology is close to becoming a reality. This is the conclusion of a series of articles published in the September issue of Nature Materials.

HTS can carry electrical current without loss of energy when their temperature is below about –200 degrees Celsius. This property has fuelled dreams of highly efficient and economical electrically powered devices since their discovery in 1986.

The excitement in the months following the breakthrough is revisited in interviews with two eminent scientists in the field, J. Georg Bednorz and Paul Ching-Wu Chu.

In the same issue, Steve Foltyn (LANL) and colleagues review the materials science efforts aimed at improving the performance of HTS in terms of the amount of dissipation-free current transported; in his commentary, Alexis Malozemoff highlights the existing prototypes of HTS applications and the efforts to reduce production and running costs on the way to commercialization.

References:
DOI: 10.1038/nmat1997 (Bednorz interview)
DOI: 10.1038/nmat1989 (Review)
DOI: 10.1038/nmat1990 (Commentary)

Source: Nature Materials
Via: http://www.physorg.com/news108304972.html

 
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"Towards commercialization of high-temperature superconductors" | Login/Create an Account | 1 comment | Search Discussion
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Next Generation Superconducting Cable Tested (Score: 1)
by vlad on Wednesday, August 06, 2008 @ 23:29:00 UTC
(User Info | Send a Message) http://www.zpenergy.com
American Superconductor Corporation (NASDAQ: AMSC [finance.yahoo.com]) and Nexans, the worldwide leader in the cable industry, have successfully tested [home.businesswire.com] the world’s first power transmission cable made with second generation (2G) high temperature superconductor (HTS) wire. The cable was produced by Nexans utilizing AMSC’s proprietary 2G HTS wire known as “344 superconductors.” 344 superconductors are AMSC's new 3 ply, 4.4 mm wide second generation HTS wires.

This 30-meter-long, transmission-voltage cable was tested at a Nexans high-voltage facility in Hannover, Germany. Operated at 138,000 volts (138kV), the cable contained only 33 hair-thin 344 superconductors, yet it demonstrated the capability to transmit 435 mega-volt-amperes (MVA) of power – enough electricity to power over 250,000 homes...

More: http://thefraserdomain.typepad.com/energy/2007/05/next_generation.html [thefraserdomain.typepad.com]




 

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