EP1351881A1 - Tungsten carbide material - Google Patents
Tungsten carbide materialInfo
- Publication number
- EP1351881A1 EP1351881A1 EP01964498A EP01964498A EP1351881A1 EP 1351881 A1 EP1351881 A1 EP 1351881A1 EP 01964498 A EP01964498 A EP 01964498A EP 01964498 A EP01964498 A EP 01964498A EP 1351881 A1 EP1351881 A1 EP 1351881A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- peak
- ray diffraction
- tungsten
- tungsten carbide
- carbide material
- 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- Withdrawn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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/949—Tungsten or molybdenum carbides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67551000A | 2000-09-29 | 2000-09-29 | |
US675510 | 2000-09-29 | ||
PCT/US2001/026875 WO2002028773A1 (en) | 2000-09-29 | 2001-08-30 | Tungsten carbide material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1351881A1 true EP1351881A1 (en) | 2003-10-15 |
EP1351881A4 EP1351881A4 (en) | 2005-09-14 |
Family
ID=24710815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01964498A Withdrawn EP1351881A4 (en) | 2000-09-29 | 2001-08-30 | Tungsten carbide material |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1351881A4 (en) |
JP (1) | JP2004510668A (en) |
AU (1) | AU2001285343A1 (en) |
CA (1) | CA2421626A1 (en) |
DE (1) | DE10196680T1 (en) |
GB (1) | GB2383998A (en) |
WO (1) | WO2002028773A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6696184B1 (en) * | 2000-09-29 | 2004-02-24 | Osram Sylvania Inc. | Supported tungsten carbide material |
JP4815823B2 (en) * | 2004-03-31 | 2011-11-16 | 三菱化学株式会社 | Fuel cell catalyst and method for producing the same, fuel cell electrode and fuel cell using the same |
JP2006107987A (en) * | 2004-10-07 | 2006-04-20 | Hitachi Maxell Ltd | Catalyst for fuel cell, fuel cell and membrane electrode junction using catalyst |
KR100825688B1 (en) * | 2006-04-04 | 2008-04-29 | 학교법인 포항공과대학교 | Nanoporous tungsten carbide catalyst and preparation method of the same |
KR101688524B1 (en) * | 2010-07-30 | 2016-12-22 | 삼성전자주식회사 | Electrode catalyst for fuel cell, membrane electrode assembly and fuel cell including the same, and method of preparing electrode catalyst for fuel cell |
JP2016194152A (en) * | 2015-03-31 | 2016-11-17 | Jx金属株式会社 | Method for producing tungstic acid solution |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325843A (en) * | 1980-12-08 | 1982-04-20 | Shell Oil Company | Process for preparing a supported tungsten carbide composition |
US4702784A (en) * | 1982-06-15 | 1987-10-27 | Kernforschungsanlage Julich Gesellschaft Mit Beschrnakter Haftung | Process for production of a tungsten carbide-activated electrode |
US4990372A (en) * | 1987-09-03 | 1991-02-05 | Air Products And Chemicals, Inc. | Method for producing wear resistant internal surfaces of structures |
US5200060A (en) * | 1991-04-26 | 1993-04-06 | Amoco Corporation | Hydrotreating process using carbides and nitrides of group VIB metals |
US5277987A (en) * | 1991-02-01 | 1994-01-11 | Air Products And Chemicals, Inc. | High hardness fine grained beta tungsten carbide |
US6090992A (en) * | 1998-12-08 | 2000-07-18 | Phillips Petroleum Company | Isomerization catalyst system, method of making and method of using such catalyst system in the isomerization of saturated hydrocarbons |
WO2000041808A1 (en) * | 1999-01-12 | 2000-07-20 | Hyperion Catalysis International, Inc. | Carbide and oxycarbide based compositions and nanorods |
WO2002028544A1 (en) * | 2000-09-29 | 2002-04-11 | Osram Sylvania Inc. | Supported tungsten carbide material |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077385A (en) * | 1959-01-06 | 1963-02-12 | Gen Electric | Process for producing carbides |
DE2063350A1 (en) * | 1970-06-04 | 1972-06-29 | Bosch Gmbh Robert | Process for the production of fuel electrodes for electrochemical systems, in particular for fuel cells |
US3848062A (en) * | 1972-02-17 | 1974-11-12 | Ppg Industries Inc | Preparation of monotungsten carbide |
-
2001
- 2001-08-30 AU AU2001285343A patent/AU2001285343A1/en not_active Abandoned
- 2001-08-30 GB GB0306436A patent/GB2383998A/en not_active Withdrawn
- 2001-08-30 DE DE10196680T patent/DE10196680T1/en not_active Withdrawn
- 2001-08-30 EP EP01964498A patent/EP1351881A4/en not_active Withdrawn
- 2001-08-30 CA CA002421626A patent/CA2421626A1/en not_active Abandoned
- 2001-08-30 JP JP2002532164A patent/JP2004510668A/en not_active Withdrawn
- 2001-08-30 WO PCT/US2001/026875 patent/WO2002028773A1/en not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325843A (en) * | 1980-12-08 | 1982-04-20 | Shell Oil Company | Process for preparing a supported tungsten carbide composition |
US4702784A (en) * | 1982-06-15 | 1987-10-27 | Kernforschungsanlage Julich Gesellschaft Mit Beschrnakter Haftung | Process for production of a tungsten carbide-activated electrode |
US4990372A (en) * | 1987-09-03 | 1991-02-05 | Air Products And Chemicals, Inc. | Method for producing wear resistant internal surfaces of structures |
US5277987A (en) * | 1991-02-01 | 1994-01-11 | Air Products And Chemicals, Inc. | High hardness fine grained beta tungsten carbide |
US5200060A (en) * | 1991-04-26 | 1993-04-06 | Amoco Corporation | Hydrotreating process using carbides and nitrides of group VIB metals |
US6090992A (en) * | 1998-12-08 | 2000-07-18 | Phillips Petroleum Company | Isomerization catalyst system, method of making and method of using such catalyst system in the isomerization of saturated hydrocarbons |
WO2000041808A1 (en) * | 1999-01-12 | 2000-07-20 | Hyperion Catalysis International, Inc. | Carbide and oxycarbide based compositions and nanorods |
WO2002028544A1 (en) * | 2000-09-29 | 2002-04-11 | Osram Sylvania Inc. | Supported tungsten carbide material |
Non-Patent Citations (1)
Title |
---|
See also references of WO0228773A1 * |
Also Published As
Publication number | Publication date |
---|---|
GB2383998A (en) | 2003-07-16 |
GB0306436D0 (en) | 2003-04-23 |
DE10196680T1 (en) | 2003-08-28 |
CA2421626A1 (en) | 2002-04-11 |
AU2001285343A1 (en) | 2002-04-15 |
JP2004510668A (en) | 2004-04-08 |
EP1351881A4 (en) | 2005-09-14 |
WO2002028773A1 (en) | 2002-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Claridge et al. | Study of the temperature-programmed reaction synthesis of early transition metal carbide and nitride catalyst materials from oxide precursors | |
CA2424269C (en) | Supported tungsten carbide material | |
US7001586B2 (en) | CO-free hydrogen from decomposition of methane | |
CN101001695B (en) | Catalyst for hydrogen generation through steam reforming of hydrocarbons | |
Jahangiri et al. | Effects of Fe substitutions by Ni in La–Ni–O perovskite-type oxides in reforming of methane with CO2 and O2 | |
KR102644506B1 (en) | Perovskite metal oxide catalyst for high-nickel-containing hydrocarbon reforming reaction and method for producing the same | |
CN109126845B (en) | Supported transition metal carbide catalyst and one-step synthesis method thereof | |
KR20180127145A (en) | A Reduced Carbon Poisoning Perovskite Catalyst Impregnated with Metal Ion, Preparation Method Thereof and Methane Reforming Method Threrewith | |
EP1449581B1 (en) | Catalyst for steam reforming containing nickel, magnesium and aluminium, process for producing the catalyst, and process for producing hydrogen using the catalyst | |
KR102035714B1 (en) | Nickel catalysts for reforming hydrocarbons | |
EP3778015A1 (en) | Supported epsilon/epsilon' iron carbide catalyst for use in fischer-tropsch synthesis reaction, preparation method for catalyst, and method for fischer-tropsch synthesis | |
WO2002028773A1 (en) | Tungsten carbide material | |
US6995115B2 (en) | Catalyst for the generation of CO-free hydrogen from methane | |
KR102092736B1 (en) | Preparation Method of Reduced Carbon Poisoning Perovskite Catalyst Impregnated with Metal Ion, and Methane Reforming Method Threrewith | |
KR101363384B1 (en) | Perovskite-supported catalysts for combined steam and carbon dioxide reforming with natural gas | |
KR101749817B1 (en) | Catalyst for Steam Reformation | |
WO2020230160A1 (en) | Steam reforming catalysts for sustainable hydrogen production from bio-based materials | |
WO2013187436A1 (en) | Reforming catalyst, method for preparing same, and process for manufacturing synthesis gas | |
Wang et al. | The Formation Mechanism Investigations of Nano-Tungsten Carbide Powder | |
US20240066506A1 (en) | Catalyst for hydrogenation reaction of carbon dioxide, method of preparing same, and method of synthesizing liquid hydrocarbon compound using same | |
KR20140002141A (en) | Carbonhydrate reforming catalyst and the method of preparation thereof | |
Yao et al. | Preparation Methods for Nitride and Carbide Catalysts | |
EP3778014A1 (en) | Pure-phase epsilon/epsilon' iron carbide catalyst for fischer-tropsch synthesis reaction, preparation method therefor and fischer-tropsch synthesis method | |
JP4709724B2 (en) | Hydrocarbon reforming catalyst | |
Loktev et al. | A New Approach to the Preparation of Stable Oxide-Composite Cobalt-Samarium Catalysts for the Production of Hydrogen by Dry Re-Forming of Methane |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030414 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH DE FR GB LI |
|
19U | Interruption of proceedings before grant |
Effective date: 20040820 |
|
19W | Proceedings resumed before grant after interruption of proceedings |
Effective date: 20050118 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20050729 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7C 01B 31/34 B Ipc: 7B 01J 35/00 B Ipc: 7B 01J 37/08 B Ipc: 7B 01J 27/22 A |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20051013 |