Development of buffer layers on 30mm wide textured metal substrates for REBCO coated conductors

Yamaguchi, Takashi; Ota, Hiroki; Ohki, Kotaro; Konishi, M.; Ohmatsu, K.

doi:10.1016/j.physc.2010.05.091

Cited by 6 publications

(2 citation statements)

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“…At industrial scale the preferred solution deposition techniques are slot die coating or dip coating, although IJP has also been demonstrated and several different metallic substrates have been used, i.e. RABiT, IBAD and copper clad [29,30,146,167,172,[309][310][311]. The specific adaptation of composition to reach controlled rheological properties of the solutions have been widely implemented at the industrial scale to minimize the number of depositions.…”

Section: Scaling Of CC Manufacturingmentioning

confidence: 99%

“…Additionally, these manufacturing systems may run continuously in an automatic mode with quite conventional low temperature (300 • C-500 • C) furnaces working at normal pressures and so they are not considered to be a relevant production barrier neither a cost limiter at present. This step could also be very easily extended to wider metallic substrates [310]. In conclusion, all the specific common steps related to the CSD approach have been widely implemented using non-vacuum technologies.…”

Section: Scaling Of CC Manufacturingmentioning

confidence: 99%

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Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions

Obradors,

Puig,

Ricart

et al. 2024

Supercond. Sci. Technol.

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In this work, we review recent progress achieved in the use of Chemical Solution Deposition (CSD) based on fluorinated metalorganic precursors to grow superconducting REBCO films and CCs. We examine, first of all, the advances in optimizing the steps related to the solutions preparation, deposition and pyrolysis based on novel low-fluorine metalorganic solutions. We show that a new type of multifunctional colloidal solutions including preformed nanoparticles, can be used to introduce artificial pinning centers (APCs). We analyze how to disentangle the complex physico-chemical transformations occurring during the pyrolysis with the purpose of maximizing the film thicknesses. Understanding the nucleation and growth mechanisms is shown to be critical to achieve a fine tuning of the final microstructure, either using the spontaneous segregation or the colloidal solution approaches, and make industrially scalable this process. Advanced nanostructural studies have deeply modified our understanding of the defect structure and its genealogy. It is remarkable the key role played by the high concentration of randomly distributed and oriented BaMO3 (M=Zr, Hf) nanoparticles which enhance the concentration of APCs, such as stacking faults and the associated partial dislocations.Correlating the defect structure with the critical current density Jc(H,T,) allows to reach a tight control of the vortex pinning properties and to devise a general scheme of the vortex pinning landscape in the whole H – T phase diagram. We also refer to the outstanding recent achievements in enhancing the vortex pinning strength by shifting the carrier concentration in REBCO films towards the overdoped state, where the pinning energy is maximum and so, record values of critical current densities are achieved. This confirms the performance competitiveness of nanocomposite CCs prepared through the CSD route. We conclude with a short summary of the progress in scaling the CC manufacturing using fluorinated solutions.

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Section: Scaling Of CC Manufacturingmentioning

confidence: 99%

Section: Scaling Of CC Manufacturingmentioning

confidence: 99%

Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions

Obradors,

Puig,

Ricart

et al. 2024

Supercond. Sci. Technol.

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Development of 66kV class REBCO superconducting cable

et al. 2012

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Design and Evaluation of 66 kV-class “3-in-One” HTS Cable Using REBCO Wires

et al. 2012

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Development of buffer layers on 30mm wide textured metal substrates for REBCO coated conductors

Cited by 6 publications

References 1 publication

Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions

Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions

Development of 66kV class REBCO superconducting cable

Design and Evaluation of 66 kV-class “3-in-One” HTS Cable Using REBCO Wires

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Development of buffer layers on 30mm wide textured metal substrates for REBCO coated conductors

Cited by 6 publications

References 1 publication

Progress in superconducting REBa2Cu3O7 (RE = rare earth) coated conductors derived from fluorinated solutions

Progress in superconducting REBa2Cu3O7 (RE = rare earth) coated conductors derived from fluorinated solutions

Development of 66kV class REBCO superconducting cable

Design and Evaluation of 66 kV-class “3-in-One” HTS Cable Using REBCO Wires

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Product

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About

Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions

Progress in superconducting REBa₂Cu₃O₇ (RE = rare earth) coated conductors derived from fluorinated solutions