CN105916616A - 钽粉及其制造方法和由其制成的烧结阳极 - Google Patents
钽粉及其制造方法和由其制成的烧结阳极 Download PDFInfo
- Publication number
- CN105916616A CN105916616A CN201480073270.3A CN201480073270A CN105916616A CN 105916616 A CN105916616 A CN 105916616A CN 201480073270 A CN201480073270 A CN 201480073270A CN 105916616 A CN105916616 A CN 105916616A
- Authority
- CN
- China
- Prior art keywords
- tantalum powder
- powder
- tantalum
- potassium
- sintering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 224
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 53
- 238000005245 sintering Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000002245 particle Substances 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 83
- 238000010438 heat treatment Methods 0.000 claims description 64
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000005406 washing Methods 0.000 claims description 45
- 239000008367 deionised water Substances 0.000 claims description 43
- 229910021641 deionized water Inorganic materials 0.000 claims description 43
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 40
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 40
- 239000007864 aqueous solution Substances 0.000 claims description 34
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 33
- 229910052700 potassium Inorganic materials 0.000 claims description 33
- 239000011591 potassium Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 26
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 25
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 24
- 239000011777 magnesium Substances 0.000 claims description 24
- 229910052749 magnesium Inorganic materials 0.000 claims description 24
- 239000011734 sodium Substances 0.000 claims description 23
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 22
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 22
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 22
- 229910052708 sodium Inorganic materials 0.000 claims description 22
- 229910052715 tantalum Inorganic materials 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims description 16
- 239000011574 phosphorus Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 15
- 239000001103 potassium chloride Substances 0.000 claims description 14
- 235000011164 potassium chloride Nutrition 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 12
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 12
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 12
- 235000011151 potassium sulphates Nutrition 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 8
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 6
- 150000008045 alkali metal halides Chemical class 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 235000010755 mineral Nutrition 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 4
- 239000011163 secondary particle Substances 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 42
- 238000003756 stirring Methods 0.000 description 30
- 239000006227 byproduct Substances 0.000 description 22
- 229910052786 argon Inorganic materials 0.000 description 21
- 238000001816 cooling Methods 0.000 description 21
- 238000007873 sieving Methods 0.000 description 20
- 238000005054 agglomeration Methods 0.000 description 15
- 230000002776 aggregation Effects 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000007795 chemical reaction product Substances 0.000 description 11
- 238000011049 filling Methods 0.000 description 11
- 239000000395 magnesium oxide Substances 0.000 description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 11
- 238000002161 passivation Methods 0.000 description 11
- 238000004321 preservation Methods 0.000 description 11
- 238000010908 decantation Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 6
- 229910001936 tantalum oxide Inorganic materials 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 229910004537 TaCl5 Inorganic materials 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000011698 potassium fluoride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/09—Mixtures of metallic powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
-
- 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
- H01G9/0029—Processes of manufacture
-
- 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
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- 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
- H01G9/0525—Powder therefor
-
- 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
- H01G9/20—Light-sensitive devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
- B22F2009/245—Reduction reaction in an Ionic Liquid [IL]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/20—Use of vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/20—Refractory metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- H01G2009/05—Electrodes or formation of dielectric layers thereon characterised by their structure consisting of tantalum, niobium, or sintered material; Combinations of such electrodes with solid semiconductive electrolytes, e.g. manganese dioxide
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
本发明属于稀有金属冶炼领域，具体涉及制作电容器用的一种钽粉及其制造方法和由其制成的烧结阳极，其初始粉末的BET为3.0‑4.5m2/g，二次团化颗粒粒度大，FSSS粒径为1.2‑3.0μm，以标准筛筛目度量75％大于325目，粒度分布D50值为60μm以上，其二次粒度大，用这种钽粉在1200℃烧结20分钟再用20V赋能获得的电容器的比电容量在140000到180000μFV/g，残余电流小于1.0nA/μFV。本发明同时提供了一种经济制造该钽粉的方法。
Description
PCT国内申请，说明书已公开。
Claims (12)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/090151 WO2016070303A1 (zh) | 2014-11-03 | 2014-11-03 | 钽粉及其制造方法和由其制成的烧结阳极 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105916616A true CN105916616A (zh) | 2016-08-31 |
| CN105916616B CN105916616B (zh) | 2018-09-14 |
Family
ID=55908327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480073270.3A Active CN105916616B (zh) | 2014-11-03 | 2014-11-03 | 钽粉及其制造方法和由其制成的烧结阳极 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10513769B2 (zh) |
| JP (1) | JP6561074B2 (zh) |
| KR (1) | KR102251986B1 (zh) |
| CN (1) | CN105916616B (zh) |
| CZ (1) | CZ309286B6 (zh) |
| GB (1) | GB2538211B (zh) |
| IL (1) | IL248759B (zh) |
| WO (1) | WO2016070303A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6362000B1 (ja) * | 2017-09-25 | 2018-07-25 | 富永 淳 | タンタル製造における希釈剤の完全リサイクル |
| US11534830B2 (en) * | 2017-12-28 | 2022-12-27 | Ningxia Orient Tantalum Industry Co., Ltd | Tantalum powder and preparation method therefor |
| US10944801B1 (en) | 2019-02-25 | 2021-03-09 | Amazon Technologies, Inc. | Serverless signaling in peer-to-peer session initialization |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197707A (zh) * | 1997-04-29 | 1998-11-04 | 宁夏有色金属冶炼厂 | 团化钽粉的生产方法 |
| CN1247576A (zh) * | 1997-02-19 | 2000-03-15 | H.C.施塔克公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
| CN101574741A (zh) * | 2009-06-25 | 2009-11-11 | 宁夏东方钽业股份有限公司 | 电容器用钽粉的制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT964936E (pt) * | 1997-02-19 | 2002-03-28 | Starck H C Gmbh | Po de tantalo seu processo de producao e anodos sinterizados produzidos a partir deste po |
| JP5153030B2 (ja) * | 2000-05-09 | 2013-02-27 | 日本特殊陶業株式会社 | 窒化珪素質焼結体の製造方法 |
| DE10030387A1 (de) * | 2000-06-21 | 2002-01-03 | Starck H C Gmbh Co Kg | Kondensatorpulver |
| JP4828016B2 (ja) | 2000-08-09 | 2011-11-30 | キャボットスーパーメタル株式会社 | タンタル粉末の製法、タンタル粉末およびタンタル電解コンデンサ |
| JP3610942B2 (ja) * | 2001-10-12 | 2005-01-19 | 住友金属鉱山株式会社 | ニオブおよび／またはタンタルの粉末の製造法 |
| WO2006012279A2 (en) * | 2004-06-28 | 2006-02-02 | Cabot Corporation | High capacitance tantalum flakes and methods of producing the same |
| KR100964565B1 (ko) * | 2005-09-29 | 2010-06-21 | 닝시아 오리엔트 탄탈럼 인더스트리 코포레이션 엘티디 | 금속 입자의 구형 입상화 및 응집화 방법 및 상기 방법으로제조된 금속 입자, 상기 금속 입자로부터 제조된 애노드 |
| WO2007130483A2 (en) * | 2006-05-05 | 2007-11-15 | Cabot Corporation | Tantalum powder with smooth surface and methods of manufacturing same |
| CN100528418C (zh) | 2008-01-11 | 2009-08-19 | 宁夏东方钽业股份有限公司 | 含氮均匀的阀金属粉末及其制造方法,阀金属坯块和阀金属烧结体以及电解电容器的阳极 |
-
2014
- 2014-11-03 CZ CZ2017250A patent/CZ309286B6/cs unknown
- 2014-11-03 WO PCT/CN2014/090151 patent/WO2016070303A1/zh active Application Filing
- 2014-11-03 KR KR1020167031539A patent/KR102251986B1/ko active IP Right Grant
- 2014-11-03 GB GB1615614.3A patent/GB2538211B/en active Active
- 2014-11-03 US US15/125,803 patent/US10513769B2/en active Active
- 2014-11-03 CN CN201480073270.3A patent/CN105916616B/zh active Active
- 2014-11-03 JP JP2016570847A patent/JP6561074B2/ja active Active
-
2016
- 2016-11-06 IL IL248759A patent/IL248759B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247576A (zh) * | 1997-02-19 | 2000-03-15 | H.C.施塔克公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
| JP2006188765A (ja) * | 1997-02-19 | 2006-07-20 | Hc Starck Gmbh | タンタル粉末、その製造法およびそれから得られる焼結アノード |
| CN1197707A (zh) * | 1997-04-29 | 1998-11-04 | 宁夏有色金属冶炼厂 | 团化钽粉的生产方法 |
| CN101574741A (zh) * | 2009-06-25 | 2009-11-11 | 宁夏东方钽业股份有限公司 | 电容器用钽粉的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105916616B (zh) | 2018-09-14 |
| CZ309286B6 (cs) | 2022-07-20 |
| IL248759A0 (en) | 2017-01-31 |
| US10513769B2 (en) | 2019-12-24 |
| KR102251986B1 (ko) | 2021-05-13 |
| GB201615614D0 (en) | 2016-10-26 |
| GB2538211A (en) | 2016-11-09 |
| JP6561074B2 (ja) | 2019-08-14 |
| IL248759B (en) | 2022-02-01 |
| GB2538211B (en) | 2018-09-26 |
| US20170226616A1 (en) | 2017-08-10 |
| KR20170080534A (ko) | 2017-07-10 |
| JP2017538857A (ja) | 2017-12-28 |
| WO2016070303A1 (zh) | 2016-05-12 |
| CZ2017250A3 (cs) | 2017-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3100804B1 (en) | Manufacturing method for nickel powder | |
| US6193779B1 (en) | Tantalum powder, method for producing same powder and sintered anodes obtained from it | |
| JP4187953B2 (ja) | 窒素含有金属粉末の製造方法 | |
| JP5547073B2 (ja) | ニオブ亜酸化物又はニオブの粉末を調製するための方法 | |
| CN105324824B (zh) | 电容器阳极体及其制造方法 | |
| EP3108985B1 (en) | Production method for seed crystal used in production of hydrogen-reduced nickel powder | |
| CN114210973B (zh) | 一种钽粉的生产方法以及由该方法得到的钽粉 | |
| CN105916616A (zh) | 钽粉及其制造方法和由其制成的烧结阳极 | |
| JP6824320B2 (ja) | タンタル粉末及びその製造方法並びにタンタル粉末から製造される焼結アノード | |
| JP4828016B2 (ja) | タンタル粉末の製法、タンタル粉末およびタンタル電解コンデンサ | |
| EP4311612A9 (en) | Method for producing tantalum powder for capacitor by reducing tantalum oxide using alkaline earth metal | |
| US10074486B2 (en) | High specific capacitance capacitor-grade tantalum powder with improved electrical properties and process for making the same | |
| CN111940745B (zh) | 大松装冶金级钽粉的制造方法 | |
| CN104148654A (zh) | 一种靶材级高纯钽粉的制备方法 | |
| CN102382993B (zh) | 一种靶材级超高纯钽金属的制取方法 | |
| CN111629845A (zh) | 钽粉及其制备方法 | |
| RU2649099C2 (ru) | Способ получения порошка вентильного металла | |
| KR100884368B1 (ko) | 황색 황산 로듐 용액의 제조방법 | |
| JP2008095200A (ja) | 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサ | |
| CN117102496A (zh) | 一种冶金级钽粉的制备方法 | |
| US2749234A (en) | Method of producing metal powders | |
| CN118900825A (zh) | 一种氟钽酸钾粉末、钠还原该粉末生产钽粉的方法、由此得到的钽粉及其用途 | |
| JP2009275289A (ja) | 窒素含有金属粉末の製造方法 | |
| CN104246933B (zh) | 电容器的阳极体 | |
| JP2003299977A (ja) | タンタル粉末またはニオブ粉末の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |