RU2004122053A - Недоокись ниобия, способ ее получения и конденсатор, содержащий недоокись ниобия в качестве анода - Google Patents
Недоокись ниобия, способ ее получения и конденсатор, содержащий недоокись ниобия в качестве анода Download PDFInfo
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- RU2004122053A RU2004122053A RU2004122053/15A RU2004122053A RU2004122053A RU 2004122053 A RU2004122053 A RU 2004122053A RU 2004122053/15 A RU2004122053/15 A RU 2004122053/15A RU 2004122053 A RU2004122053 A RU 2004122053A RU 2004122053 A RU2004122053 A RU 2004122053A
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- Prior art keywords
- niobium
- nbo
- reaction
- temperature
- anode
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- 238000000034 method Methods 0.000 title claims 10
- 229910052758 niobium Inorganic materials 0.000 title claims 3
- 239000010955 niobium Substances 0.000 title claims 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims 3
- YTPZWYPLOCEZIX-UHFFFAOYSA-N [Nb]#[Nb] Chemical compound [Nb]#[Nb] YTPZWYPLOCEZIX-UHFFFAOYSA-N 0.000 title claims 2
- 239000003990 capacitor Substances 0.000 title claims 2
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 1
- HFLAMWCKUFHSAZ-UHFFFAOYSA-N niobium dioxide Chemical compound O=[Nb]=O HFLAMWCKUFHSAZ-UHFFFAOYSA-N 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 238000000280 densification Methods 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000011164 primary particle Substances 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
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- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
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Claims (11)
1. Недоокись ниобия формулы NbOx, где 0,7<х<1,3, более предпочтительно, 0,9<х<1,15,, особенно предпочтительно, 1<х<1,05, с текучестью, согласно стандартам ASTM В 213, не более 60 с/25 г.
2. Способ получения NbOx, где 0,7<х<1,3, более предпочтительно 0,9<х<1,15, особенно предпочтительно 1<х<1,05, при взаимодействии NbOy, где 1,8<у<2,1, более предпочтительно 1,9<у<2, со стехиометрическим количеством металлического ниобия в присутствии водорода.
3. Способ по п.2, отличающийся тем, что температуру и продолжительность реакции выбирают такими, что реакция протекает в значительной степени полностью.
4. Способ по п.3, отличающийся тем, что температура реакции составляет от 900 до 1600°С и продолжительность реакции составляет от 0,5 до 4 ч.
5. Способ по одному из пп.1-4, отличающийся тем, что исходную двуокись ниобия NbOy получают восстановлением пятиокиси ниобия в потоке водорода.
6. Способ по п.5, отличающийся тем, что восстановление осуществляют при температуре от 1000 до 1600°С.
7. Способ по п.6, отличающийся тем, что после окончания реакции продукт реакции некоторое время еще выдерживают при температуре от 900 до 1600°С для стабилизации и уплотнения кристаллической решетки NbOy.
8. Способ по п.5, отличающийся тем, что используют пятиокись ниобия в виде порошка, состоящего из агломератов первичных частиц со средними минимальными размерами частиц от 0,4 до 2 мкм.
9. Способ по п.2, отличающийся тем, что используют порошок металлического ниобия, который получают при восстановлении NbOy, согласно одному из пп.4-6, парами магния.
10. Способ по п.9, отличающийся тем, что восстановление NbOy до металла осуществляют при температуре от 750 до 1150°С.
11. Конденсатор, содержащий в качестве анода недоокись ниобия по п.1.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003133156 DE10333156A1 (de) | 2003-07-22 | 2003-07-22 | Verfahren zur Herstellung von Niobsuboxid |
DE10333156.5 | 2003-07-22 |
Publications (2)
Publication Number | Publication Date |
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RU2004122053A true RU2004122053A (ru) | 2006-01-27 |
RU2363660C2 RU2363660C2 (ru) | 2009-08-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2004122053A RU2363660C2 (ru) | 2003-07-22 | 2004-07-21 | Недоокись ниобия, способ ее получения и конденсатор, содержащий недоокись ниобия в качестве анода |
Country Status (15)
Country | Link |
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US (2) | US7341705B2 (ru) |
EP (2) | EP1508550B1 (ru) |
JP (2) | JP4317091B2 (ru) |
KR (1) | KR101129764B1 (ru) |
CN (2) | CN101298340A (ru) |
AU (1) | AU2004203208B2 (ru) |
BR (1) | BRPI0402986A (ru) |
DE (2) | DE10333156A1 (ru) |
IL (1) | IL163104A (ru) |
MX (1) | MXPA04007024A (ru) |
PH (1) | PH12008000260A1 (ru) |
PT (1) | PT1508550E (ru) |
RU (1) | RU2363660C2 (ru) |
TW (1) | TWI355424B (ru) |
ZA (1) | ZA200405851B (ru) |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10333156A1 (de) * | 2003-07-22 | 2005-02-24 | H.C. Starck Gmbh | Verfahren zur Herstellung von Niobsuboxid |
DE10347702B4 (de) * | 2003-10-14 | 2007-03-29 | H.C. Starck Gmbh | Sinterkörper auf Basis Niobsuboxid |
US8362987B2 (en) * | 2004-09-27 | 2013-01-29 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
US7399335B2 (en) * | 2005-03-22 | 2008-07-15 | H.C. Starck Inc. | Method of preparing primary refractory metal |
US7399341B2 (en) * | 2005-04-26 | 2008-07-15 | Uop Llc | Gas purification process |
US20080310080A1 (en) * | 2005-08-19 | 2008-12-18 | Martin Biler | Solid State Capacitors and Method of Manufacturing Them |
GB0517952D0 (en) * | 2005-09-02 | 2005-10-12 | Avx Ltd | Method of forming anode bodies for solid state capacitors |
JP4969233B2 (ja) * | 2006-12-20 | 2012-07-04 | 三洋電機株式会社 | 固体電解コンデンサ及び固体電解コンデンサ用のニオブ製陽極リードの製造方法 |
US7760487B2 (en) * | 2007-10-22 | 2010-07-20 | Avx Corporation | Doped ceramic powder for use in forming capacitor anodes |
US7852615B2 (en) | 2008-01-22 | 2010-12-14 | Avx Corporation | Electrolytic capacitor anode treated with an organometallic compound |
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KR101129764B1 (ko) | 2012-03-26 |
JP5630962B2 (ja) | 2014-11-26 |
BRPI0402986A (pt) | 2005-05-24 |
JP2005041774A (ja) | 2005-02-17 |
EP1508550A1 (de) | 2005-02-23 |
DE10333156A1 (de) | 2005-02-24 |
KR20050011700A (ko) | 2005-01-29 |
PH12008000260A1 (en) | 2006-03-07 |
US20050019581A1 (en) | 2005-01-27 |
US20090242853A1 (en) | 2009-10-01 |
US7341705B2 (en) | 2008-03-11 |
RU2363660C2 (ru) | 2009-08-10 |
MXPA04007024A (es) | 2005-03-23 |
EP1508550B1 (de) | 2009-04-08 |
CN100404428C (zh) | 2008-07-23 |
PT1508550E (pt) | 2009-05-22 |
TW200516157A (en) | 2005-05-16 |
JP4317091B2 (ja) | 2009-08-19 |
ZA200405851B (en) | 2005-09-28 |
AU2004203208B2 (en) | 2009-07-23 |
JP2009143804A (ja) | 2009-07-02 |
DE502004009299D1 (de) | 2009-05-20 |
EP2078699A1 (de) | 2009-07-15 |
CN1576234A (zh) | 2005-02-09 |
CN101298340A (zh) | 2008-11-05 |
IL163104A (en) | 2007-10-31 |
AU2004203208A1 (en) | 2005-02-10 |
TWI355424B (en) | 2012-01-01 |
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