JP6688564B2 - 酸化物超電導線材の製造方法 - Google Patents
酸化物超電導線材の製造方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 239000010410 layer Substances 0.000 claims description 166
- 239000010949 copper Substances 0.000 claims description 157
- 229910052802 copper Inorganic materials 0.000 claims description 124
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 123
- 239000011241 protective layer Substances 0.000 claims description 94
- 238000007747 plating Methods 0.000 claims description 58
- 229910052709 silver Inorganic materials 0.000 claims description 56
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 55
- 239000004332 silver Substances 0.000 claims description 55
- 230000000087 stabilizing effect Effects 0.000 claims description 55
- 239000007864 aqueous solution Substances 0.000 claims description 47
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 43
- 229910001431 copper ion Inorganic materials 0.000 claims description 43
- 239000000758 substrate Substances 0.000 claims description 35
- 150000001879 copper Chemical class 0.000 claims description 23
- 238000009713 electroplating Methods 0.000 claims description 9
- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical group [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 25
- 239000002184 metal Substances 0.000 description 25
- 239000000243 solution Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000007788 liquid Substances 0.000 description 12
- 239000002887 superconductor Substances 0.000 description 11
- 238000004544 sputter deposition Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001354 calcination Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 229910000365 copper sulfate Inorganic materials 0.000 description 5
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000007735 ion beam assisted deposition Methods 0.000 description 4
- 238000004549 pulsed laser deposition Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 239000005749 Copper compound Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001880 copper compounds Chemical class 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 241000954177 Bangana ariza Species 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- 229910017116 Fe—Mo Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910000153 copper(II) phosphate Inorganic materials 0.000 description 1
- GQDHEYWVLBJKBA-UHFFFAOYSA-H copper(ii) phosphate Chemical compound [Cu+2].[Cu+2].[Cu+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GQDHEYWVLBJKBA-UHFFFAOYSA-H 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- UOROWBGGYAMZCK-UHFFFAOYSA-N lanthanum(3+) manganese(2+) oxygen(2-) Chemical compound [O-2].[La+3].[Mn+2] UOROWBGGYAMZCK-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- WROMPOXWARCANT-UHFFFAOYSA-N tfa trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F.OC(=O)C(F)(F)F WROMPOXWARCANT-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- DTQVDTLACAAQTR-UHFFFAOYSA-N trifluoroacetic acid Substances OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
- H01B12/06—Films or wires on bases or cores
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Description
図1は、本発明に係る一実施の形態の酸化物超電導線材の製造方法で製造される酸化物超電導線材のテープの軸方向に垂直な断面を示す概略図である。
図2は、本発明の一実施の形態に係る超電導線材の製造方法の説明に供するフローチャートである。
銅保護層形成装置20を用いて、テープ状の線材本体16を、−電極に接触させつつ、メッキ槽22内の硫酸銅及び硫酸の水溶液(メッキ浴)21中に走行させて、線材本体16に銅保護層15を形成して長さ10m、幅5mm、100μm厚の酸化物超電導線材10を製造した。線材本体16がメッキ槽22を走行する速度を0.5m/分として線材本体16を、メッキ槽22内で移動させてメッキ処理(銅保護層形成)を行う。
実施例1では、銅保護層15の形成を行うことによりメッキ槽22内で不足したCuイオンを補充するために、水溶液中に、銅イオン補充部26を設けた。この銅イオン補充部26はJIS規格のメッシュ番号200の複数の開き目を有する袋(フィルタ部264)内に球状のリン酸銅(銅塩262)を収容して構成した。生成した酸化物超電導線材を、超電導ケーブルが接続される電極に接続して液体窒素中(at77K、自己磁場環境下)に浸漬し、この状態で酸化物超電導線材と筒状電極との接続抵抗値を調べた。その結果を表1に示す。
実施例1において、銅イオン補充部26のフィルタ部264として、JIS規格のメッシュ番号100の複数の開き目を有する袋を用いて、酸化物超電導線材10を製造した。生成した酸化物超電導線材を、超電導ケーブルが接続される電極に接続して液体窒素中(at77K、自己磁場環境下)に浸漬し、この状態で酸化物超電導線材と筒状電極との接続抵抗値を調べた。その結果を表1に示す。
実施例1において、銅イオン補充部26のフィルタ部264として、JIS規格のメッシュ番号50の複数の開き目を有する袋を用いて、酸化物超電導線材10を製造した。生成した酸化物超電導線材を、超電導ケーブルが接続される電極に接続して液体窒素中(at77K、自己磁場環境下)に浸漬し、この状態で酸化物超電導線材と筒状電極との接続抵抗値と、超電導特性(臨界電流値)Icを調べた。その結果を表1に示す。
実施例1において、銅イオン補充部26のフィルタ部264として、JIS規格のメッシュ番号16の複数の開き目を有する袋を用いて、酸化物超電導線材10を製造した。生成した酸化物超電導線材を、超電導ケーブルが接続される電極に接続して液体窒素中(at77K、自己磁場環境下)に浸漬し、この状態で酸化物超電導線材と筒状電極との接続抵抗値を調べた。その結果を表1に示す。
実施例1において、銅イオン補充部26の構成においてフィルタ部264を用いずに、球状のリン酸銅(銅塩262)をそのまま水溶液21中に浸漬して、酸化物超電導線材10を製造した。生成した酸化物超電導線材を、超電導ケーブルが接続される電極に接続して液体窒素中(at77K、自己磁場環境下)に浸漬し、この状態で酸化物超電導線材と筒状電極との接続抵抗値を調べた。その結果を表1に示す。
11 金属基板(基板)
12 中間層
13 超電導層
14 銀安定化層
15 銅保護層
16 線材本体
20 銅保護層形成装置
21 水溶液
22 メッキ槽
23 液受け
24 張力調整部
26、26A 銅イオン補充部
27 電極
29 ポンプ
31 供給リール
32 巻き取りリール
241 ローラ対
244 駆動部
262、262A 銅塩
264、264A フィルタ部
Claims (5)
- テープ状の基板上に、中間層、超電導層、銀安定化層が順に形成された超電導線材本体を、メッキ槽が収容する銅保護層形成用の水溶液中に浸漬して、前記水溶液をメッキ浴として電気メッキ法により前記安定化層上に前記銅保護層を形成する工程を有し、
前記メッキ槽には、前記水溶液中に銅イオンを発生する銅塩と、
前記水溶液中において、前記超電導線材本体と前記銅塩との間に、JIS規格のメッシュ番号16以上の番号で規定される目開きを有するフィルタ部と、
が設けられ、
前記銅保護層を形成する工程は、前記フィルタ部を通過する前記銅イオンにより前記超電導線材本体の前記銀安定化層上に銅保護層を形成する、
酸化物超電導線材の製造方法。 - テープ状の基板上に、中間層、超電導層、銀安定化層が順に形成された超電導線材本体を、メッキ槽が収容する銅保護層形成用の水溶液中に浸漬して、前記水溶液をメッキ浴として電気メッキ法により前記安定化層上に前記銅保護層を形成する工程を有し、
前記メッキ槽には、前記水溶液中に銅イオンを発生する銅塩と、
前記水溶液中において、前記超電導線材本体と前記銅塩との間に、前記銅イオンを通過させ、且つ、前記水溶液中で析出する固体を通過させない目開きを有するフィルタ部と、
が設けられ、
前記銅保護層を形成する工程は、前記フィルタ部を通過する前記銅イオンにより前記超電導線材本体の前記銀安定化層上に銅保護層を形成する、
酸化物超電導線材の製造方法。 - 前記銅塩はリン酸銅である、
請求項1または2記載の酸化物超電導線材の製造方法。 - 前記フィルタ部は、前記銅塩を包む袋体である、
請求項1から3のいずれか一項に記載の酸化物超電導線材の製造方法。 - 前記フィルタ部は、前記メッキ槽内で前記超電導線材本体と前記銅塩とを仕切る板状体である、
請求項1から3のいずれか一項に記載の酸化物超電導線材の製造方法。
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