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Electromechanical Properties of 1-mm-Wide Superconducting Cables Comprised of Exfoliated YBCO Filaments

Journal Article · · IEEE Transactions on Applied Superconductivity
 [1];  [2];  [3];  [3];  [3];  [4];  [2]
  1. Brookhaven Technology Group, Inc., Stony Brook, NY (United States); Brookhaven Technology Group
  2. Brookhaven Technology Group, Inc., Stony Brook, NY (United States)
  3. Stony Brook Univ., NY (United States)
  4. Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)
+ Show Author Affiliations
Development of multifilament YBCO cables is an important step toward the manufacture of practical superconducting magnets based on second generation high-temperature superconductor technology. Currently, magnets manufactured from wide 2G tapes suffer from high magnetization loss and poor reliability. The presence of an insulation substrate is to insulate YBCO layers from each other, which allows only lateral (along the tape face) current sharing. Here we present an exfoliated multilayer cable with electrically coupled (1 mm wide) filaments that permit normal (across the tape) current sharing within the cable. Finally, this development can potentially enable fast ramping and stable high-field magnets for applications in fusion, energy storage, and transportation.
Research Organization:
Brookhaven Technology Group, Inc., Stony Brook, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
National High Magnetic Field Laboratory; Stony Brook University
Grant/Contract Number:
SC0017797
OSTI ID:
1597667
Journal Information:
IEEE Transactions on Applied Superconductivity, Journal Name: IEEE Transactions on Applied Superconductivity Journal Issue: 5 Vol. 29; ISSN 1051-8223
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

References (12)

AC magnetization losses in striated YBCO-123/Hastelloy coated conductors journal August 2007
Current sharing between superconducting film and normal metal journal June 2007
Development of a laser scribing process of coated conductors for the reduction of AC losses journal July 2007
Roebel cables from REBCO coated conductors: a one-century-old concept for the superconductivity of the future journal August 2014
Two level undercut-profile substrate for filamentary YBa2Cu3O7coated conductors journal May 2015
Study on elimination of screening-current-induced field in pancake-type non-insulated HTS coil journal February 2016
How filaments can reduce AC losses in HTS coated conductors: a review journal July 2016
Introduction of CORC ® wires: highly flexible, round high-temperature superconducting wires for magnet and power transmission applications journal November 2016
Exfoliated YBCO filaments for second-generation superconducting cable journal November 2016
Present Status and Recent Developments of the Twisted Stacked-Tape Cable Conductor journal March 2016
Two Level Undercut-Profile Substrate-Based Filamentary Coated Conductors Produced Using Metal Organic Chemical Vapor Deposition journal June 2018
Critical Current Densities of 482 A/mm 2 in HTS CrossConductors at 4.2 K and 12 T journal June 2018

Figures / Tables (6)

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Related Subjects

2G conductor
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
cable
laser slitting