Segmented superconducting tape having reduced AC losses and method of making

Foltyn, Stephen R; Jia, Quanxi; Arendt, Paul N; Holesinger, Terry G; Wang, Haiyan

Segmented superconducting tape having reduced AC losses and method of making

Patent · Tue Sep 22 04:00:00 EDT 2009

OSTI ID:971542

Foltyn, Stephen R ^[1]; Jia, Quanxi ^[1]; Arendt, Paul N ^[1]; Holesinger, Terry G ^[1]; Wang, Haiyan ^[1]

Los Alamos, NM

A superconducting tape having reduced AC losses. The tape has a high temperature superconductor layer that is segmented. Disruptive strips, formed in one of the tape substrate, a buffer layer, and the superconducting layer create parallel discontinuities in the superconducting layer that separate the current-carrying elements of the superconducting layer into strips or filament-like structures. Segmentation of the current-carrying elements has the effect of reducing AC current losses. Methods of making such a superconducting tape and reducing AC losses in such tapes are also disclosed.

Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM

Sponsoring Organization:: United States Department of Energy

Assignee:: Los Alamos National Security, LLC (Los Alamos, NM)

Patent Number(s):: 7,593,758

Application Number:: 11/245,722

OSTI ID:: 971542

Country of Publication:: United States

Language:: English

References (3)

Magnetization losses in multifilament coated superconductors Levin, G. A.; Barnes, P. N.; Amemiya, N. Applied Physics Letters, Vol. 86, Issue 7 https://doi.org/10.1063/1.1861955	journal	January 2005
Concept of Multiply Connected Superconducting Tapes Levin, G. A.; Barnes, P. N. IEEE Transactions on Appiled Superconductivity, Vol. 15, Issue 2 https://doi.org/10.1109/TASC.2005.849601	journal	June 2005
Mapping the current distribution in YBa2Cu3O7−x thin films with striations Wang, L. B.; Price, M. B.; Young, J. L. Physica C: Superconductivity and its Applications, Vol. 419, Issue 3-4 https://doi.org/10.1016/j.physc.2004.12.007	journal	March 2005

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36 MATERIALS SCIENCE

Segmented superconducting tape having reduced AC losses and method of making

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