40-meter-long REBCO tapes with critical current over 4,000 A/12 mm at 4.2 K and 13 T by advanced MOCVD

Paidpilli, Mahesh; Goel, Chirag; Sarangi, Bhabesh; Chen, Siwei; Galstyan, Eduard; Jaroszynski, Jan; Bradford, Griffin; Abraimov, Dmytro; Selvamanickam, Venkat

doi:10.1016/j.supcon.2023.100081

Title: 40-meter-long REBCO tapes with critical current over 4,000 A/12 mm at 4.2 K and 13 T by advanced MOCVD

Journal Article · 15 December 2023 · Superconductivity

DOI: https://doi.org/10.1016/j.supcon.2023.100081 · OSTI ID:2438082

^[1];

^[2]; Sarangi, Bhabesh ^[2];

^[2]; Galstyan, Eduard ^[3];

^[4];

^[4]; Abraimov, Dmytro ^[4];

^[2]

University of Houston, TX (United States); University of Houston
University of Houston, TX (United States)
AMPeers LLC, Houston, TX (United States)
National High Magnetic Field Laboratory, Tallahassee, FL (United States)

REBa₂Cu₃O_7–δ (REBCO, RE = rare earth) tapes doped with 5% and 15% Zr have been scaled up to lengths more than 40 m in a pilot-scale advanced metal organic chemical vapor deposition (A-MOCVD) tool. The precursor compositions used for the long tapes were guided by a study of the influence of (Ba + dopant)/Cu content on the critical current density (J_c) of 5 and 15 mol.% Hf- and Zr-added tapes at 4.2 K and 13 T. The 40-m-long tapes exhibited a critical current (I_c) over 4,000 A/12 mm at 4.2 K and 13 T as well as over 1,400 A/12 mm at 20 K and 20 T. The critical current densities of a 40-m-long tape doped with 5% Zr at 4.2 K measured at the National High Magnetic Field Laboratory (NHMFL) were > 10 MAcm^–2 and >5 MAcm^–2 at 14 T and 30 T, respectively, which are over three times those of commercial REBCO tapes. The infield J_c of 5% Zr-added 40-m-long tapes was similar to those of previously-reported high-performance short samples made with 15% Zr or Hf. These results demonstrate the excellent potential of A-MOCVD for manufacturing high I_c REBCO tapes for use in ultrahigh-field magnet applications.

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Research Organization:: University of Houston, TX (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Materials & Manufacturing Technologies Office (AMMTO); National Science Foundation (NSF)

Grant/Contract Number:: EE0007869

OSTI ID:: 2438082

Journal Information:: Superconductivity, Journal Name: Superconductivity Vol. 9; ISSN 2772-8307

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Title: 40-meter-long REBCO tapes with critical current over 4,000 A/12 mm at 4.2 K and 13 T by advanced MOCVD

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