DE3728840A1 - Verfahren zur herstellung unregelmaessig geformter einkristallteilchen zur verwendung in anoden in elektrochemischen zellen - Google Patents
Verfahren zur herstellung unregelmaessig geformter einkristallteilchen zur verwendung in anoden in elektrochemischen zellenInfo
- Publication number
- DE3728840A1 DE3728840A1 DE19873728840 DE3728840A DE3728840A1 DE 3728840 A1 DE3728840 A1 DE 3728840A1 DE 19873728840 DE19873728840 DE 19873728840 DE 3728840 A DE3728840 A DE 3728840A DE 3728840 A1 DE3728840 A1 DE 3728840A1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- metal
- zinc
- single crystal
- coatings
- 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.)
- Withdrawn
Links
- 239000002245 particle Substances 0.000 title claims description 73
- 239000013078 crystal Substances 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 43
- 229910052725 zinc Inorganic materials 0.000 claims description 38
- 239000011701 zinc Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 238000002844 melting Methods 0.000 claims description 21
- 230000008018 melting Effects 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 18
- 230000001788 irregular Effects 0.000 claims description 9
- 239000002923 metal particle Substances 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 6
- 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 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052793 cadmium Inorganic materials 0.000 claims 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229910052701 rubidium Inorganic materials 0.000 claims 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 31
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 19
- 229910052753 mercury Inorganic materials 0.000 description 19
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 16
- 150000002739 metals Chemical class 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000005267 amalgamation Methods 0.000 description 9
- 239000011787 zinc oxide Substances 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000010405 anode material Substances 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000012010 growth Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- -1 B. zinc Chemical class 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/002—Crucibles or containers for supporting the melt
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/945,596 US4722763A (en) | 1986-12-23 | 1986-12-23 | Method for making irregular shaped single crystal particles for use in anodes for electrochemical cells |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3728840A1 true DE3728840A1 (de) | 1988-07-07 |
Family
ID=25483319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873728840 Withdrawn DE3728840A1 (de) | 1986-12-23 | 1987-08-28 | Verfahren zur herstellung unregelmaessig geformter einkristallteilchen zur verwendung in anoden in elektrochemischen zellen |
Country Status (6)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68924646T2 (de) * | 1988-12-16 | 1996-06-13 | Matsushita Electric Ind Co Ltd | Verfahren zur herstellung von zinkoxid-whiskern. |
US5200370A (en) * | 1990-11-16 | 1993-04-06 | Fiber Materials, Inc. | Monocrystalline ceramic fibers and method of preparing same |
DE69221047T2 (de) * | 1991-09-13 | 1998-02-26 | Honda Motor Co Ltd | Konstruktionselement mit hoher Festigkeit und Verfahren seiner Herstellung |
EP0698275A4 (en) * | 1993-04-28 | 1996-09-04 | Mark Mitchnick | CONDUCTIVE POLYMERS |
US5391432A (en) * | 1993-04-28 | 1995-02-21 | Mitchnick; Mark | Antistatic fibers |
US5441726A (en) * | 1993-04-28 | 1995-08-15 | Sunsmart, Inc. | Topical ultra-violet radiation protectants |
US6087030A (en) * | 1995-05-05 | 2000-07-11 | Rayovac Corporation | Electrochemical cell anode and high discharge rate electrochemical cell employing same |
US6472103B1 (en) | 1997-08-01 | 2002-10-29 | The Gillette Company | Zinc-based electrode particle form |
US6521378B2 (en) | 1997-08-01 | 2003-02-18 | Duracell Inc. | Electrode having multi-modal distribution of zinc-based particles |
JP2001035923A (ja) | 1999-07-19 | 2001-02-09 | Mitsubishi Electric Corp | 半導体集積回路装置およびクロック配線制御方法 |
US6653658B2 (en) * | 2001-07-05 | 2003-11-25 | Isonics Corporation | Semiconductor wafers with integrated heat spreading layer |
US7119400B2 (en) | 2001-07-05 | 2006-10-10 | Isonics Corporation | Isotopically pure silicon-on-insulator wafers and method of making same |
US20040171226A1 (en) * | 2001-07-05 | 2004-09-02 | Burden Stephen J. | Isotopically pure silicon-on-insulator wafers and method of making same |
CN1806354A (zh) * | 2003-06-17 | 2006-07-19 | 吉列公司 | 电池的阳极 |
US7190580B2 (en) * | 2004-07-01 | 2007-03-13 | International Business Machines Corporation | Apparatus and methods for microchannel cooling of semiconductor integrated circuit packages |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU400139A1 (ru) * | 1971-07-07 | 1974-02-25 | Фонд вноертш | |
US4033792A (en) * | 1974-12-23 | 1977-07-05 | United Technologies Corporation | Composite single crystal article |
US4487651A (en) * | 1983-04-06 | 1984-12-11 | Duracell Inc. | Method for making irregular shaped single crystal particles and the use thereof in anodes for electrochemical cells |
US4585716A (en) * | 1984-07-09 | 1986-04-29 | Duracell Inc. | Cell corrosion reduction |
US4632890A (en) * | 1985-06-28 | 1986-12-30 | Duracell Inc. | Anode metal treatment and use of said anode in cell |
US4637855A (en) * | 1985-04-30 | 1987-01-20 | Texas Instruments Incorporated | Process for producing crystalline silicon spheres |
-
1986
- 1986-12-23 US US06/945,596 patent/US4722763A/en not_active Expired - Fee Related
-
1987
- 1987-08-18 GB GB8719502A patent/GB2198964B/en not_active Expired - Lifetime
- 1987-08-25 BE BE8700942A patent/BE1000813A3/fr not_active IP Right Cessation
- 1987-08-28 FR FR878712045A patent/FR2608636B1/fr not_active Expired - Lifetime
- 1987-08-28 DE DE19873728840 patent/DE3728840A1/de not_active Withdrawn
- 1987-09-03 JP JP62221187A patent/JPS63166786A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
BE1000813A3 (fr) | 1989-04-11 |
GB2198964B (en) | 1990-11-28 |
FR2608636A1 (fr) | 1988-06-24 |
US4722763A (en) | 1988-02-02 |
JPS63166786A (ja) | 1988-07-09 |
FR2608636B1 (fr) | 1990-12-28 |
JPH0566911B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-09-22 |
GB8719502D0 (en) | 1987-09-23 |
GB2198964A (en) | 1988-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3728840A1 (de) | Verfahren zur herstellung unregelmaessig geformter einkristallteilchen zur verwendung in anoden in elektrochemischen zellen | |
DE3412682C2 (de) | Verfahren zur Herstellung von metallischen Einkristallpartikeln, sowie ihre Verwendung zur Herstellung einer Anode | |
DE2924896C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
DE3822616C2 (de) | Entfernung von Lithiumnitrid aus Lithiummetall | |
US4579791A (en) | Cell anode | |
DE3314048A1 (de) | Anodenaktives material, dieses material enthaltende alkalizellen und verfahren zu deren herstellung | |
DE2009931A1 (de) | Mit hoher Geschwindigkeit sich verbrauchende metallische Elektroden | |
EP0091659A2 (de) | Verfahren zur Herstellung von Zinkpulver für alkalische Batterien durch Amalgamieren von Zinkpulver | |
CH671304A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
DE2012655B2 (de) | Zusatz von mangan zu aluminium | |
DE10309402A1 (de) | Zinklegierungspulver für alkalische Mangandioxidzellen und negative Elektroden für alkalische Mangandioxidzellen sowie alkalische Mangandioxidzellen unter Verwendung derselben | |
DE69211027T2 (de) | Verfahren zur Herstellung von nichtamalgamiertem Zinklegierungspulver für alkalische Trockenbatterien | |
DE2757808A1 (de) | Gesinterte elektroden | |
DE3524388A1 (de) | Waessrige elektrochemische zelle, sowie verfahren zu ihrer herstellung | |
DE1533348A1 (de) | Raney-Metall in Form von selbsttragenden Platten,sowie Verfahren zu seiner Herstellung | |
DE3821237C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
DE69213268T2 (de) | Verfahren zur Herstellung eines feinen dendritischen Pulvers und nach diesem Verfahren erzeugtes Pulver | |
DE2445018A1 (de) | Magnesium-titan-verbundkoerper und verfahren zu seiner herstellung | |
DE2210345C3 (de) | Verfahren zur Herstellung einer Zinkphosphatlösung | |
DE3032480C2 (de) | Verfahren zur Abtragung elektrokatalytisch wirksamer Schutzüberzüge von Elektroden mit Metallkern und Anwendung des Verfahrens | |
DE3402072C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
DE3145931C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
AT117437B (de) | Verfahren und Kathode zur elektrolytischen Gewinnung von Magnesium und Erdalkalimetallen. | |
DE1916772A1 (de) | Metallschmelzverfahren | |
DE2226360A1 (de) | Elektroden für elektrochemische Verfahren |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8139 | Disposal/non-payment of the annual fee |