China develops 2nd generation of superconducting tape

streetcry

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The Shanghai Jiao Tong University (SJTU) announced on Jan. 23 that physics professor Li Yijie has successfully researched and developed 100 meters of second generation high-temperature superconducting tape with independently-owned intellectual property rights, which marks a breakthrough in the field in China.

Similar to a thin film, the second generation high-temperature superconducting tape developed by SJTU has a 1 centimeter metal base with 80 microns of thickness.

It was report the thickness of the rare earth oxide superconducting layer, used for the superconducting current transmission, was less than one micron, while its current carrying capacity of the same cross section areas is several hundred times higher than traditional copper wire.

At present, the power transmission system loses 8 to 10 percent current during the transmission course. The loss is expected to be reduced to nearly zero if the high-temperature superconducting cable is adopted in the power transmission system.
 
China? I discount 99% first until got independent 3rd party verify.
 
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