A quasi-isotropic second-generation high temperature superconducting conductor

CN116168891BActive Publication Date: 2026-06-05EASTERN SUPERCONDUCTOR SCI & TECH SUZHOU CO LTD +1

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: EASTERN SUPERCONDUCTOR SCI & TECH SUZHOU CO LTD
Filing Date: 2022-12-29
Publication Date: 2026-06-05

AI Technical Summary

Technical Problem

The anisotropy of second-generation high-temperature superconducting tapes limits their application in engineering, making it difficult to achieve high engineering critical current densities and flexible combinations.

Method used

The structure employs an inner and outer region, with the inner region strip and armor skeleton surrounding the inner region, and the outer region strip and armor skeleton surrounding the outer region. The inner and outer region armor skeletons are connected. The superconducting surface of the inner region strip faces the center, and the superconducting surface of the outer region strip faces the center of the inner region. It is prepared by MOCVD, PLD, or MOD methods. An armor sleeve is set on the outside of the outer region armor skeleton to enhance protection.

Benefits of technology

It enhances the mechanical strength of superconducting conductors, eliminates anisotropy, increases the critical current density for engineering applications, has a wider range of applications, and is convenient for processing and assembly.

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Abstract

The application discloses a quasi-isotropic second-generation high-temperature superconducting conductor, which comprises an inner zone and an outer zone; the outer zone surrounds the outside of the inner zone; the inner zone comprises an inner zone tape and an inner zone armor framework; the inner zone tape is arranged in the inner zone armor framework; the inner zone tape comprises a plurality of multilayer inner zone tapes with different directions; the superconducting surface of the inner zone tape faces the center of the inner zone; the outer zone comprises an outer zone tape and an outer zone armor framework; a plurality of multilayer outer zone tapes are arranged in the outer zone armor framework; the superconducting surface of the outer zone tape faces the center of the inner zone; the outer zone comprises a plurality of outer zone armor frameworks. The independent armor framework and the superconducting tape can enhance the mechanical strength, are convenient to process, can be flexibly combined and used, have a wider application range, the shape of the inner zone armor framework is a polygon, and the more the number of sides is, the better the anisotropy of the second-generation high-temperature superconducting tape can be eliminated; the quasi-isotropic second-generation high-temperature superconducting conductor is provided, and the engineering critical current density is improved.

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