SuperOx 2G-HTS wire: production, applications and outlook · 16-17 June 2015 8. Braunschweiger...

1 8. Braunschweiger Supraleiterseminar 16-17 June 2015

SuperOx 2G-HTS wire:

production, applications and outlook

Vadim Amelichev

SuperOx, Moscow, Russia

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SuperOx

• First company founded in 2006

• 2012: starts production of 2G HTS wire in Russia and Japan

• Collaborates with leading companies to create

superconducting equipment

8. Braunschweiger Supraleiterseminar 16-17 June 2015

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2006

2011

2012

2013

2015

used in current production

R&D

abandoned route

Technology profile

MOCVD

R&D

RABiTS

MOD

R&D SDP

R&D PLD

Sputter ElChem

IBAD


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Focus on PVD methods

SuperOx Japan LLC (Tokyo)

● RF sputtering: buffer layers

● IBAD-MgO

● PLD: CeO2 & HTS

● DC sputtering: silver

● Ic measurements

220 sqm / 5 employees

16-17 June 2015 8. Braunschweiger Supraleiterseminar

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Focus on chemistry and customisation

SuperOx (Moscow)

● Electropolishing

● Silver DC sputtering

● Copper electroplating

● Solution deposition (MOD & SDP)

● MOCVD (R&D)

● Polyimide insulation

● Solder plating & lamination

● Quality testing, etc.

850 sqm / 20 employees


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SuperOx 2G HTS tape

Dual-Chamber:

PLD system

Single Chamber:

RF sputter + IBAD

Hastelloy C276

Al2O3

Y2O3 or LaMnO3

IBAD - MgO

LaMnO3

CeO2:RE

GdBCO

Ag

Cold rolled & electro polished

(60-100 microns)

RF sputtering (50 nm)

DC sputtering (custom thickness)

PLD-2 (1-3 microns)

PLD-1 (100-200 nm)

IBAD with RF sputtering (5-7 nm)

RF sputtering (30-50 nm)

RF sputtering (30-50 nm)

Finish Customised finish tailored to application


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Buffer layers texture


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GdBCO texture


(103) GBCO -scan

FWHM = 3.5

(103) GBCO -scan

FWHM = 3.5

(005) GBCO w-scan

FWHM = 1.3

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SuperOx 2G HTS tape

Long tapes with critical current of 500 A/12 mm available


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Performance in field


0.1 T

0.2 T

0.3 T

0.4 T 0.5 T

1.0 T

1.5 T

No artificial pinning centres

Very isotropic in-field behaviour

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Short Summary

Customization: ● Any silver thickness

● Any copper thickness

● Lamination

● Isolation

● Solder-plating

● Joints

● … we consider any other options

Parameter Value

Single piece length up to 500 m

Substrate thickness 60 or 100 microns

Width 4 mm 12 mm

Ic (77K, sf) 100-150 A 300-500 A

Ic uniformity ±10% ±10%


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Radiotherapy Radiotherapy

Variety of applications of 2G HTS wires

2G HTS Wire

Fault Current

Limiters

Fault Current

Limiters

Power cables Power cables

Current

Leads

Current

Leads

ELECTRIC ENERGY SCIENCE & INDUSTRY

High Field

Magnets

High Field

Magnets

HEALTHCARE

MRI MRI

SPECIAL APPLICATIONS

MagLev MagLev Plasma

Engines

Plasma

Engines


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Silver Magnetron Sputtering

DC magnetron (Wmax = 6 kW)

Single piece length up to 500 m

Suitable for 12 and 4 mm widths

Automatic arc suppression system


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Copper electroplating

■ Surround copper electroplating

■ Single piece length up to 2 km

■ Speed up to 50 m/h for 20 micron copper per side

■ No dog-bone effect

■ Any thickness in range of 1-100 mm available

1015 m of 4 mm HTS tape


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Solder plating

■ Various solders can be applied on the tape surface on request

■ Solder plating directly on silver available

~ 200oC PbSn

~ 120oC SnIn

~ 100oC PbBiSn

12 mm PbSn-plated HTS tape


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2G HTS Wire Blocks for Magnetic Levitation

■ blocks made from 2G HTS wires provide stable levitation over PM

■ viable alternative to HTS bulks – any form and size possible

By now, SuperOx has built 2G HTS blocks with levitating force of over 100 kg


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Lamination, stacks


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Low resistance joints of any type

20 nOhm @ 77K

40 mm length

12 mm width

20 nOhm @ 77K

40 mm length

12 mm width


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Polyimide Coating

•Surround Polyimide (PI) coating •Modified dip coating •Thin (5-20 mm), uniform layer •Advanced alternative to Kapton wrapping

Variable thickness

PI coating


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Surround polyimide insulation

Thin, continuous, and regular insulating coating

Breakdown voltage: up to 1000 V


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2G HTS Cable for Power Applications

■ in 2013, two model cables were built in cooperation with Russian cable

Institute (VNIIKP) - 3.0 кА and 4.5 кА

Low level of AC losses confirmed

0

0.5

1.0

1.5

2.0

0 1 2 3 4 5

Outer layer I

c=4.36 kA, n=18.6

Inner Layer Ic=4.45 kA, n=11.6

Total current, kA

Ele

ctr

ica

l fie

ld, mV

/cm


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AC Losses in 1G and 2G HTSC wires


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Röbel cable


* in collaboration with Karlsruhe Institute of Technology (Anna Kario et al.)

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Inorganic coating (new!)

Polyimide

PI+Al2O3


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Thank you for your attention!

Vadim Amelichev SuperOx

Nauchnyi pr. 20-2

Moscow, Russia

www.superox.ru/en


http://www.superox.ru/en

SuperOx 2G-HTS wire: production, applications and outlook · 16-17 June 2015 8. Braunschweiger...

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