status of 2g hts wire production at superox cca... · 2018-10-12 · • several quality parameters...
TRANSCRIPT
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11 September 2018
Status of 2G HTS wire production at SuperOx
CCA2018, Vienna, Austria
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
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SuperOx 2G HTS wire architecture
Hastelloy C276
Al2O3
Y2O3
IBAD - MgO
LaMnO3
GdBCO
Ag
Cold rolled & electro polished
(40 or 60 or 100 microns)
Sputtering (30-50 nm)
Sputtering (custom thickness)
PLD (1-2 microns)
e-beam IBAD (5-7 nm) + epi (50-150 nm)
Sputtering (30-50 nm)
Sputtering (5-10 nm)
FinishCustomised finish tailored to application
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 5: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/5.jpg)
Production facility development
Originally: 2011-2015
Moscow Substrate Ag Cu Finish
Tokyo Buffer HTS Ag
2016 onwards
Moscow Substrate Buffer HTS Ag Cu Finish
Tokyo Buffer HTS Ag Cu
Decisions to increase throughput are driven by demand
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SuperOx Japan LLC: in operation since Nov 2011
Multiprocess one-chamber sputtering/IBAD (buffer R&D and production back-up)
Dual-chamber PLD-HTS system for CeO2 and GdBCO
50 km wire
in 2018
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Moscow buffer layer line commissioned Jan 2016
e-Polished Hastelloy substrate in
Ready buffered tape with LaMnO3 on top out
Extra capacity: Textured template offered for sale
100+ km buffer tape
in 2018
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Moscow PLD-HTS line commissioned Dec 2016
SuperOx production capacity doubled: 2 x 50 km/year (12 mm width). Operate at full capacity !
Wire made at SuperOx in Moscow and SuperOx Japan
is of identical high quality
50 km wire
in 2018
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 10: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/10.jpg)
Quality control
Substrate Buffer HTS Ag Cu Finish
In-line OpticalRHEED
OpticalOptical
Off-line,
full length
Non-
contact Ic
Non-
contact Ic
Non-
contact Ic
Specific
tests
Off-line,
segmentsAFM XRD
XRD
SEM
EDX
Transport Ic Transport Ic
Rejection of defective material at early processing stages for cost optimisation
Real time closed-loop control for high yield
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In-line QC in textured template production:
substrate electropolishing
RGB-Scan: software for optical detection of surface defects
• The software collects images from a camera and performs digital analysis of
the tape surface quality
• Several quality parameters are derived from each image
• Rejection of defective tapes at early processing stages for cost optimisation
Serial production tape: no defects
A. Mankevich et al., IEEE TASC, 28(4) 2018, 6602005
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In-line QC in textured template production:
IBAD-MgO
RHEED data on IBAD-MgO texture correlate
with the LMO layer texture measured by XRD
RHEED data on IBAD-MgO texture
correlate with the finished wire Ic
IBAD-MgO
RHEED pattern
Green-Scan: software for digital analysis of RHEED patterns
• One number derived from a RHEED image describes texture quality
• Closed-loop texture quality control is implemented resulting in high yield
IBAD-MgO texture factor (a.u.)
Optimum
A. Mankevich et al., IEEE TASC, 28(4) 2018, 6602005
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In-line QC in textured template production:
IBAD-MgO
Green-Scan: software for digital analysis of RHEED patterns
• One number derived from a RHEED image describes texture quality
• Closed-loop texture quality control is implemented resulting in high yield
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 15: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/15.jpg)
2G HTS wire: long length, high current, good uniformity
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2G HTS wire: consistent performance at 77 K
Data updated regularly, available for download at
http://www.superox.ru/en/products/974-vtspprovod/
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2G HTS wire: consistent performance at 77 K
Reproducible lift factors
NO artificial pinning centres, only intrinsic Gd2O3 nanoparticles due to excess Gd
Data updated regularly, available for download at
http://www.superox.ru/en/products/974-vtspprovod/
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2G HTS wire: consistent performance at 77 K
Data updated regularly, available for download at
http://www.superox.ru/en/products/974-vtspprovod/
Reproducible lift factors
NO artificial pinning centres, only intrinsic Gd2O3 nanoparticles due to excess Gd
![Page 19: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/19.jpg)
2G HTS wire: consistent performance at 4.2 K
Max – Av ≤ 25%
Min – Av ≤ 30%
Data updated regularly, available for download at
http://www.superox.ru/en/products/974-vtspprovod/
Reproducible lift factors
NO artificial pinning centres, only intrinsic Gd2O3 nanoparticles due to excess Gd
![Page 20: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/20.jpg)
2G HTS wire: specifications
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 22: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/22.jpg)
Integral yield:
tool for quality management and economic analysis
TapeStar XL data for an individual wire Integral yield (%) map
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Integral yield:
tool for quality management and economic analysis
Integral yield (%) for a group of wires Cost ($/kAm) assuming $50/m for 100% yield
• Compare time periods
• Know your stock
• Manage new orders
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 25: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/25.jpg)
Product development:
40 micron substrate, 3 mm wide wire
Thin substrate Narrow wire
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Product development:
pinning enhancement
V Chepikov et al 2017 Supercond. Sci. Technol. 30 124001
Phase I results: up to 80% improvement in LHe
VSM measurements
Varied parameters:
• APC composition: BaSnO3/BaZrO3
• APC content: 0, 6, 12, 18% (molar) in HTS
• PLD GdBCO growth rate: 375, 560, 750 nm/min
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Product development:
pinning enhancement
Future direction:
• Optimise for APC content and PLD-HTS growth rate
• Explore within the GdBCO composition triangle with and without APC
• Check reproducibility thoroughly
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 29: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/29.jpg)
Examples of running large projects with SuperOx wire:
SuperOx: 220kV / 450 MW SFCL for Moscow city grid
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Examples of running large projects with SuperOx wire:
Kinelectrica/SuperOx: HTS cable system for Airbus
Length (m)
Current (kA)
0,1
1
10
100
10 100
In this area, losses in HTS cable are lower
than in Al or Cu
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Examples of running large projects with SuperOx wire:
HTS motor for aircraft. Horizon 2020 consortium
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Examples of running large projects with SuperOx wire:
CNRS, Grenoble/BOSSE: 1 MJ, 10+ T SMES and dipole launcher
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Outline
• Wire production facility development
• Quality management
• 2G HTS wire performance
• Yield assessment
• Product development
• Examples of active large projects with SuperOx wire
• 2018 wire opportunity
![Page 34: Status of 2G HTS wire production at SuperOx CCA... · 2018-10-12 · • Several quality parameters are derived from each image • Rejection of defective tapes at early processing](https://reader030.vdocument.in/reader030/viewer/2022040109/5e7336ccfbf0ad5b33404a36/html5/thumbnails/34.jpg)
2018 wire opportunity
Feb 2018: We expect to build temporary stock of few tens of km of wire
by the end of 2018. Now is good time to order.
Jun 2018: ~ 20 km of wire in stock.
Sep 2018: Stock almost gone.
Sep 2018: We keep making 2 km wire in a week. It is still good time to order.
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Thank you for your attention
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Product development:
pinning enhancement
Baseline Unacceptable
AcceptableAcceptable
Possible scenarios of the pinning enhancement programme