FR2480796A1 - Procede de production de silicium de haute purete par voie electrochimique - Google Patents
Procede de production de silicium de haute purete par voie electrochimique Download PDFInfo
- Publication number
- FR2480796A1 FR2480796A1 FR8008902A FR8008902A FR2480796A1 FR 2480796 A1 FR2480796 A1 FR 2480796A1 FR 8008902 A FR8008902 A FR 8008902A FR 8008902 A FR8008902 A FR 8008902A FR 2480796 A1 FR2480796 A1 FR 2480796A1
- Authority
- FR
- France
- Prior art keywords
- silicon
- alkali
- bath
- alkaline earth
- nitrides
- 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
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 37
- 239000010703 silicon Substances 0.000 title claims abstract description 37
- 239000003513 alkali Substances 0.000 title claims abstract description 11
- 230000008021 deposition Effects 0.000 title claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 35
- 230000015572 biosynthetic process Effects 0.000 title 1
- 229910001507 metal halide Inorganic materials 0.000 title 1
- 150000005309 metal halides Chemical class 0.000 title 1
- 150000004767 nitrides Chemical class 0.000 claims abstract description 15
- 150000004820 halides Chemical class 0.000 claims abstract description 11
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 150000004673 fluoride salts Chemical class 0.000 claims abstract description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 2
- 229910052749 magnesium Inorganic materials 0.000 claims 2
- 239000011777 magnesium Substances 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- -1 Mg3N2 or Ca3N2 Chemical class 0.000 description 2
- 235000011148 calcium chloride Nutrition 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical class [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- 229910020056 Mg3N2 Inorganic materials 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical class [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/33—Silicon
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8008902A FR2480796A1 (fr) | 1980-04-21 | 1980-04-21 | Procede de production de silicium de haute purete par voie electrochimique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8008902A FR2480796A1 (fr) | 1980-04-21 | 1980-04-21 | Procede de production de silicium de haute purete par voie electrochimique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2480796A1 true FR2480796A1 (fr) | 1981-10-23 |
| FR2480796B1 FR2480796B1 (enExample) | 1982-05-07 |
Family
ID=9241158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8008902A Granted FR2480796A1 (fr) | 1980-04-21 | 1980-04-21 | Procede de production de silicium de haute purete par voie electrochimique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2480796A1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559473A1 (fr) * | 1984-02-13 | 1985-08-16 | Ila Lilleby Smelteverker | Procede de production de silicium purifieÿa |
| WO2002099166A1 (en) * | 2001-06-05 | 2002-12-12 | Sintef | Electrolyte and method for manufacturing and/or refining of silicon |
| WO2008156372A3 (en) * | 2007-06-18 | 2009-02-19 | Rec Scanwafer As | Method for recovering elemental silicon from cutting remains |
| ES2319072A1 (es) * | 2004-08-12 | 2009-05-01 | LIMITED LIABILITY COMPANY "GELIOS" | Procedimiento para la produccion de silicio, procedimiento para la separacion de silicio de una masa de sal en fusion y procedimiento para la produccion de tetrafluoruro. |
| NO345359B1 (no) * | 2007-06-18 | 2020-12-21 | Rec Solar Pte Ltd | Fremgangsmåte for gjenvinning av elementært silisium fra kuttrester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892763A (en) * | 1957-04-12 | 1959-06-30 | American Potash & Chem Corp | Production of pure elemental silicon |
| US3022233A (en) * | 1959-11-18 | 1962-02-20 | Dow Chemical Co | Preparation of silicon |
| US3254010A (en) * | 1962-03-14 | 1966-05-31 | Gen Trustee Company Inc | Refining of silicon and germanium |
| GB1080589A (en) * | 1965-06-15 | 1967-08-23 | Gen Trustee Company Inc | Method of producing silicon and electrolytic cell therefor |
| SU460326A1 (ru) * | 1973-06-19 | 1975-02-15 | Институт общей и неорганической химии | Электролит дл получени металлического кремни электролизом из расплавов |
-
1980
- 1980-04-21 FR FR8008902A patent/FR2480796A1/fr active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892763A (en) * | 1957-04-12 | 1959-06-30 | American Potash & Chem Corp | Production of pure elemental silicon |
| US3022233A (en) * | 1959-11-18 | 1962-02-20 | Dow Chemical Co | Preparation of silicon |
| US3254010A (en) * | 1962-03-14 | 1966-05-31 | Gen Trustee Company Inc | Refining of silicon and germanium |
| GB1080589A (en) * | 1965-06-15 | 1967-08-23 | Gen Trustee Company Inc | Method of producing silicon and electrolytic cell therefor |
| SU460326A1 (ru) * | 1973-06-19 | 1975-02-15 | Институт общей и неорганической химии | Электролит дл получени металлического кремни электролизом из расплавов |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559473A1 (fr) * | 1984-02-13 | 1985-08-16 | Ila Lilleby Smelteverker | Procede de production de silicium purifieÿa |
| WO2002099166A1 (en) * | 2001-06-05 | 2002-12-12 | Sintef | Electrolyte and method for manufacturing and/or refining of silicon |
| ES2319072A1 (es) * | 2004-08-12 | 2009-05-01 | LIMITED LIABILITY COMPANY "GELIOS" | Procedimiento para la produccion de silicio, procedimiento para la separacion de silicio de una masa de sal en fusion y procedimiento para la produccion de tetrafluoruro. |
| WO2008156372A3 (en) * | 2007-06-18 | 2009-02-19 | Rec Scanwafer As | Method for recovering elemental silicon from cutting remains |
| NO345359B1 (no) * | 2007-06-18 | 2020-12-21 | Rec Solar Pte Ltd | Fremgangsmåte for gjenvinning av elementært silisium fra kuttrester |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480796B1 (enExample) | 1982-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |