WO2004000726A1 - 水素吸蔵用材料及びその使用方法 - Google Patents
水素吸蔵用材料及びその使用方法 Download PDFInfo
- Publication number
- WO2004000726A1 WO2004000726A1 PCT/JP2003/007670 JP0307670W WO2004000726A1 WO 2004000726 A1 WO2004000726 A1 WO 2004000726A1 JP 0307670 W JP0307670 W JP 0307670W WO 2004000726 A1 WO2004000726 A1 WO 2004000726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydrogen
- storage material
- hydrogen storage
- general formula
- aluminum hydride
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0026—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof of one single metal or a rare earth metal; Treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
- C01B6/06—Hydrides of aluminium, gallium, indium, thallium, germanium, tin, lead, arsenic, antimony, bismuth or polonium; Monoborane; Diborane; Addition complexes thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Definitions
- the present invention relates to a hydrogen storage material and a method for using the same.
- the entire process of hydrogenation and dehydrogenation of Na A 1 H 4 is represented by the above formula (3) (however, the dissociation of NaH into Na and hydrogen is carried out at a considerably high temperature, for example, 65 It occurs at high temperatures above ° C).
- the hydrogen generation amount is at the stage of the above formula (1) is about 3.7 wt% / N a A 1 H 4 , the formula is at the stage of (2) to about 1 ⁇ 9 wt% / N a A 1 H is 4.
- the reaction proceeds in the direction of the right arrow due to the rise in temperature, and the reaction proceeds in the direction of the left arrow due to pressurization (H 2 ).
- the new hydrogen storage alloy has a different reaction form from ordinary hydrogen storage alloys.
- the development of material systems has begun. Compared to conventional hydrogen storage alloys, these systems do not require complicated initial activation treatment, and can easily synthesize hydrogen storage materials with relatively soft chemical reactions compared to alloys. It is known that it has many advantages, such as lighter materials, compared to systems. In particular, in recent years, active research activities have been carried out on new materials and the like based on these materials, and a new field of hydrogen storage materials using a “hydrogen storage method utilizing a catalytic reaction” is being formed.
- the present invention der those has been made to solve the problems as described above connexion, its purpose, while ensuring the reaction reversibility of conventional such N a A 1 alkali metal hydrides H 4, etc. , N a a 1 H much hydrogen storage capacity is rather multi than 4 system, moreover a possible one step of cold work reduction and reaction of the hydrogen storage and release capacity, providing for the hydrogen storage materials and methods of use thereof Is to do. Disclosure of the invention
- the present invention relates to a hydrogen storage material composed of aluminum hydride represented by the following general formula (1).
- the present invention provides a hydrogen storage material composed of the aluminum hydride represented by the general formula (1),
- the present invention relates to a method for using a hydrogen storage material which is hydrogenated and / or dehydrogenated at a temperature of not more than 00 ° C.
- the present inventors have, N a A 1 H 4 in the N a A l H 4 by supporting the catalyst material in performing the discussion of the use as a hydrogen storage material, N a A 1 H over a catalyst material Regarding the decomposition process of 4 , the following hypothesis of the mechanism was established and verified.
- a 1 H 3 has a simple structure, and assuming that it decomposes in one step, it can be calculated that the amount of released hydrogen reaches 10.0% by weight.
- the hydrogen storage material of the present invention since it is composed of the aluminum hydride represented by the general formula (1), the low-temperature operation and one-step reaction as the hydrogen storage and / or release material can be achieved. It can be fully deployed as a possible, lightweight, high-capacity hydrogen absorber.
- FIG. 1 shows a hydrogen absorption according to the invention consisting of A 1 H 3 according to an embodiment of the invention. Is a graph comparing the warehouse for material and N a A 1 results in hydrogen release test of H 4
- FIG. 2 is a powder X-ray diffraction diagram showing the structure of A 1 H 3 .
- Figure 3 is a graph showing the same, the results of the hydrogen release test of A 1 H 3 with and without mechanical milling (ball mill).
- FIG. 4 is a graph showing the results of a hydrogen release test of a sample mixed with a catalyst substance (T i) and A 1 H 3 alone.
- FIG. 5 is a graph showing the results of a hydrogen release test when the atmosphere during the mechanical mixing was Ar or H 2 100 atm.
- FIG. 6 is a schematic sectional view of an electrochemical device (fuel cell) using the composite material for hydrogen storage according to the present invention.
- the hydrogen storage material according to the present invention can be used as a material capable of reversibly hydrogenating and Z or dehydrogenating at a temperature of 200 ° C. or less, specifically, pressure and Z or temperature. Can absorb and release hydrogen gas (hydrogen molecules or hydrogen atoms).
- the hydrogen storage material according to the present invention is characterized by comprising the above-mentioned aluminum hydride, but a doping substance having a catalytic function.
- (d opant) may be contained.
- a hydrogen storage material according to the present invention comprising a complex of the aluminum hydride and the doping substance
- the compounding can be easily performed by mechanical stirring.
- a transition metal of group III to V of the periodic table (Sc, Y, Ti, Zr, Hf, V, Nb, Ta) or a compound thereof, chromium, At least one of iron, nickel, and lithium metal (Li, Na, K :, Rb, Cs) or a compound thereof is used. More preferred are the alcohols, halides, hydrides and organometallic and intermetallic compounds of the metals listed above. It is also possible to use a combination of these.
- the doping material is preferably used in an amount of 0.2 to 10 mol% based on the aluminum hydride, and more preferably in an amount of 1 to 5 mol% based on the aluminum hydride.
- transition metals When the transition metals are present in a higher oxidation state, they can be reduced to a low valence oxidation state by the aluminum hydride present in excess during the doping process.
- the hydrogen storage material according to the present invention is preferably miniaturized, whereby the reversible hydrogenation and the Z or dehydrogenation reaction can be performed at a lower temperature. It becomes possible.
- mechanical stirring and the like can be mentioned.
- the aluminum hydride is used as it is as a hydrogen storage material, and as described above, the aluminum hydride is made to contain the doping substance and to have a fine structure. It may be configured, or one of the configurations may be used.
- the aluminum hydride can be prepared by a chemical synthesis method.
- reports on the method of synthesizing aluminum hydride have already been submitted by various researchers, and there is almost no difference in the hydrogen release behavior by the synthesis method.
- the hydrogen storage material according to the present invention can be suitably used for various electrochemical devices.
- a hydrogen gas supply unit is provided on the first electrode side.
- An apparatus in which hydrogen gas is supplied from the hydrogen gas supply unit, and oxygen or an oxygen-containing gas is supplied to the second electrode side. Can be used. In this case, hydrogen gas is supplied efficiently, and good output characteristics are obtained.
- examples of the proton conductor include fullerene derivatives such as fullerenol (polyfullerene hydroxide) in addition to general naphthion.
- fullerene derivatives such as fullerenol (polyfullerene hydroxide) in addition to general naphthion.
- the proton conductor is substantially composed of only the fullerene derivative or bound by a binder.
- an electrochemical device using a hydrogen storage material according to the present invention for the hydrogen gas supply unit and using a proton conductor substantially consisting only of the fullerene derivative will be described as a fuel cell.
- a proton conductor composed of only the fullerene derivative a film-like fullerene derivative obtained by press-molding the fullerene derivative may be used.
- FIG. 6 shows an example in which the electrochemical device is configured as a fuel cell.
- this fuel cell has a negative electrode (fuel electrode or hydrogen electrode) 3 and a positive electrode (oxygen electrode) 4 having terminals 1 and 2 facing each other and having a catalyst closely attached or dispersed, respectively.
- the proton conductor 5 is sandwiched between these two electrodes.
- hydrogen is supplied from the hydrogen gas supply unit 6 on the negative electrode 3 side And is discharged from outlet 7 (which may not be provided).
- the fuel (H 2 ) generates protons while passing through the flow path 8, and the protons move to the positive electrode 4 side together with the protons generated in the proton conductor 5, and are supplied from the inlet 9 to the flow path 10. Then, it reacts with oxygen (air) heading to the outlet 11, thereby extracting a desired electromotive force.
- the hydrogen storage material according to the present invention is used in the hydrogen gas supply unit 6, the hydrogen gas is supplied efficiently, and good output characteristics are obtained.
- the hydrogen ions supplied from the negative electrode 3 move to the positive electrode 4 side while the hydrogen ions dissociate in the negative electrode 3 and dissociate in the proton conductor 5, so that the conductivity of the hydrogen ions is high.
- a humidifying device or the like required when using naph ion as a proton conductor is not required, so that the system can be simplified and reduced in weight, and furthermore, electrodes such as electric density and output characteristics can be obtained. Function can be improved.
- a binder instead of the proton conductor sandwiched between the first electrode and the second electrode, which is formed only of the fullerene derivative in the form of a film obtained by press-molding the fullerene derivative, a binder is used.
- the attached fullerene derivative may be used as a proton conductor. In this case, a proton conductor having sufficient strength can be formed by being bound by the binder.
- the polymer material that can be used as the binder one or more known polymers having a film-forming property are used. Examples thereof include polyfluoroethylene, polyvinylidene fluoride, and polyvinyl. Alcohol and the like.
- the compounding amount in the proton conductor can be suppressed to, for example, 20% by weight or less. If the content exceeds 20% by weight, the conductivity of hydrogen ions may be reduced. Since the proton conductor having such a configuration also contains the fullerene derivative as a proton conductor, it can exhibit the same hydrogen ion conductivity as that of the above-described proton conductor substantially consisting only of the fullerene derivative. .
- a film-forming property derived from a polymer material is provided, and compared to the powder compression molded product of the fullerene derivative, the strength is higher and a flexible material having gas permeation prevention ability is provided. It can be used as an ion conductive thin film (thickness is usually 300 xm or less).
- a known film forming method such as pressure molding or extrusion molding may be used.
- the proton conductor is not particularly limited, and any proton conductor having ionic (hydrogen ion) conductivity can be used.
- Examples include fullerene hydroxides, fullerene derivatives such as sulfated fullerenol, and Nafion.
- a hydrogen gas release test was performed to confirm the hydrogen release behavior of NaA 1 H 4 (Aldrich Co., purity: 90%) alone.
- a test of pressure change against temperature at normal pressure was performed. As the temperature condition, the sample was heated from room temperature to 300 ° C for 2 ° C The amount of hydrogen evolved was measured. The measurement results are shown in FIG. 1 together with the following examples.
- a 1 H 3 as the aluminum hydride was synthesized according to the following formula (8).
- a hydrogen gas release test was performed.
- a test of pressure change with respect to temperature at normal pressure was performed.
- the sample was heated from room temperature to 200 ° C at 2 ° C / min, and the amount of hydrogen generated at that time was measured.
- Figure 1 shows the measurement results.
- the hydrogen storage material according to the present invention for example, composed of A 1 H 3, had a clearly lower hydrogen release temperature than NaAlH 4 .
- the peak of the N a A 1 to H 4 hydrogen release amount has appeared as the first stage and the second stage, the hydrogen release by thermal dissociation have been performed in two stages, the A 1 H 3 as a material for hydrogen storage according to the present invention has realized one-step hydrogen release reaction.
- the area indicated by the shaded area corresponds to the amount of released hydrogen, and A 1 H 3 releases more hydrogen gas than NaAl H 4 , and the theoretical value 9% by weight, which is close to
- Example 2 The case where the A 1 H 3 obtained in Example 1 was refined by mechanical pulverization was examined.
- Select Titanium (T i) as the doping material the T i sources were selected T i C 1 3.
- the method of compounding was as follows. The above two kinds of powders were mixed in an agate mortar for about 5 minutes.
- the hydrogen storage material based on the present invention which is composed of a complex of A 1 H 3 + T i, has a lower hydrogen release temperature than A 1 H 3 of Example 1. It was confirmed to proceed. This is presumably because Ti was present as a catalyst on the surface of A 1 H 3 , and the decomposition reaction to hydrogen was promoted.
- Example 2 the results of Example 2 and Example 3, the relative A 1 H 3
- the case where the doping material was added using a pole mill was studied.
- the effects were studied with the intention of cooperating with the two effects of lowering the temperature: lowering the temperature by supporting Ti and lowering the temperature by using a finer structure.
- a three-dimensional pole mill was used instead of the mortar used in Example 2, and NaH was added as a new doping substance in addition to Ti.
- the atmosphere inside the pole mill was an Ar atmosphere. Then, a hydrogen release test was performed on the obtained sample in the same manner as in Example 1, and the results are shown in FIG.
- the peak around 100 ° C. was the same as the peak when A 1 H 3 carried Ti.
- the peak around 150 ° C coincided with the peak indicating only the effect of the pole mill, and the release of hydrogen derived from NaH was confirmed around 200 ° C. It should be noted that no clear peak was observed below 100 °, and a decrease in the hydrogen release temperature due to the expected effect of supporting Ti and coordination with the miniaturized structure was not confirmed.
- Example 4 no cooperative effect between Ti loading and the miniaturized structure was confirmed, but in this example, Ti loading using a pole mill and fine At the time of structuring, we examined the pressurization with hydrogen.
- Example 4 The Preparation Examples were prepared in Example 4 samples, hydrogen atmosphere of hydrogen 1 0 0 atm and then mixing the predetermined time again ball mill vessel was a t Example 1 was obtained in the same manner as the complex in the ball mill The results of the release test are also shown in FIG.
- Example 4 when compared with the result of Example 4, a new peak not observed in Example 4 was observed at around 85 ° C. This peak, hydrogen gas released when Kona ⁇ the A 1 H s with Po mill is hydrogen 1 0 It is considered that the temperature was further reduced by the occlusion of A 1 H 3 again in the 0-atm pressure pole mill container due to the cooperative effect of T i as the doping material and the miniaturized structure. That is, it was shown that the hydrogen storage material according to the present invention can store hydrogen gas once released again, for example, in a pole mill under the condition of 100 atm of hydrogen.
- the aluminum hydride has been described using A 1 H 3 as an example.
- a material represented by the above general formula (1) may be appropriately selected.
- the method of compounding the aluminum hydride, which is a main raw material, with the doping material is mainly for mixing, and various methods can be considered as the mixing method.
- titanium (Ti) and NaH have been described as examples of the above-mentioned doping substance, but the present invention is not limited to this and can be appropriately selected. Industrial applicability
- the hydrogen storage material of the present invention since it is composed of the aluminum hydride represented by the general formula (1), it is possible to operate at a low temperature as a hydrogen storage and / or release material and to perform one-step reaction. It can be fully deployed as a lightweight, high-capacity hydrogen absorber.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/517,244 US20050164878A1 (en) | 2002-06-19 | 2003-06-17 | Hydrogen occluding material and method for use thereof |
EP03760872A EP1514840A1 (en) | 2002-06-19 | 2003-06-17 | Hydrogen occluding material and method for use thereof |
KR10-2004-7019466A KR20050013198A (ko) | 2002-06-19 | 2003-06-17 | 수소 흡장용 재료 및 그 사용 방법 |
AU2003244141A AU2003244141A1 (en) | 2002-06-19 | 2003-06-17 | Hydrogen occluding material and method for use thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-178274 | 2002-06-19 | ||
JP2002178274A JP4314788B2 (ja) | 2002-06-19 | 2002-06-19 | 水素吸蔵用材料及びその使用方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004000726A1 true WO2004000726A1 (ja) | 2003-12-31 |
Family
ID=29996511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/007670 WO2004000726A1 (ja) | 2002-06-19 | 2003-06-17 | 水素吸蔵用材料及びその使用方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050164878A1 (ja) |
EP (1) | EP1514840A1 (ja) |
JP (1) | JP4314788B2 (ja) |
KR (1) | KR20050013198A (ja) |
CN (1) | CN1662442A (ja) |
AU (1) | AU2003244141A1 (ja) |
WO (1) | WO2004000726A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006094480A1 (de) * | 2005-03-09 | 2006-09-14 | Studiengesellschaft Kohle Mbh | Verfahren zur synthese von verbindungen |
CN100369665C (zh) * | 2005-04-08 | 2008-02-20 | 中国科学院金属研究所 | 高容量配位钠铝氢化物贮氢材料及其制备方法 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005037772B3 (de) * | 2005-08-10 | 2006-11-23 | Forschungszentrum Karlsruhe Gmbh | Verfahren zur Herstellung eines Wasserstoff-Speichermaterials |
CA2671963C (en) * | 2006-12-06 | 2016-08-02 | University Of New Brunswick | Hydrogenation of aluminum using a supercritical fluid medium |
JP4304203B2 (ja) | 2006-12-15 | 2009-07-29 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法と、水素貯蔵用容器 |
JP4888777B2 (ja) * | 2007-06-07 | 2012-02-29 | 国立大学法人東北大学 | 水素貯蔵材料の製造方法 |
JP4995753B2 (ja) * | 2008-02-27 | 2012-08-08 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法 |
JP4997641B2 (ja) * | 2008-03-19 | 2012-08-08 | 株式会社日本製鋼所 | 水素貯蔵材料の表面改質方法 |
JP5188317B2 (ja) * | 2008-08-08 | 2013-04-24 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法 |
JP5154333B2 (ja) | 2008-08-08 | 2013-02-27 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法 |
JP4905993B2 (ja) * | 2008-09-18 | 2012-03-28 | 株式会社日本製鋼所 | 水素貯蔵材料の特性改善方法 |
JP5178703B2 (ja) | 2009-12-28 | 2013-04-10 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法 |
JP5394273B2 (ja) | 2010-02-03 | 2014-01-22 | 本田技研工業株式会社 | 水素吸蔵材及びその製造方法 |
CN103771337B (zh) * | 2013-12-23 | 2016-03-30 | 浙江大学 | 一种掺杂过渡金属氟化物的氢化铝储氢材料及其制备方法 |
DE102015218703A1 (de) * | 2015-09-29 | 2017-03-30 | Robert Bosch Gmbh | Elektrische Energiequelle |
CN105645351A (zh) * | 2015-12-24 | 2016-06-08 | 浙江大学 | 一种氢化铝储氢材料及其制备方法 |
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WO2000007930A1 (en) * | 1998-08-06 | 2000-02-17 | University Of Hawaii | Novel hydrogen storage materials and method of making by dry homogenation |
WO2000020329A1 (en) * | 1998-10-07 | 2000-04-13 | Mcgill University | Reversible hydrogen storage composition |
WO2000076913A1 (en) * | 1999-06-16 | 2000-12-21 | Sri International | Preparation of aluminum hydride polymorphs, particularly stabilized alpha-alh¿3? |
WO2001068517A1 (en) * | 2000-03-17 | 2001-09-20 | Hydro-Quebec | Method for producing gaseous hydrogen by chemical reaction of metals or metal hydrides subjected to intense mechanical deformations |
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US4463087A (en) * | 1982-12-20 | 1984-07-31 | Eastman Kodak Company | Controlled site epitaxial sensitization of limited iodide silver halide emulsions |
US6305442B1 (en) * | 1999-11-06 | 2001-10-23 | Energy Conversion Devices, Inc. | Hydrogen-based ecosystem |
JP3913054B2 (ja) * | 2001-01-15 | 2007-05-09 | 富士フイルム株式会社 | ハロゲン化銀写真乳剤 |
US6773692B2 (en) * | 2001-08-02 | 2004-08-10 | Iowa State University Research Foundation, Inc. | Method of production of pure hydrogen near room temperature from aluminum-based hydride materials |
US7169489B2 (en) * | 2002-03-15 | 2007-01-30 | Fuelsell Technologies, Inc. | Hydrogen storage, distribution, and recovery system |
US7011768B2 (en) * | 2002-07-10 | 2006-03-14 | Fuelsell Technologies, Inc. | Methods for hydrogen storage using doped alanate compositions |
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2002
- 2002-06-19 JP JP2002178274A patent/JP4314788B2/ja not_active Expired - Fee Related
-
2003
- 2003-06-17 US US10/517,244 patent/US20050164878A1/en not_active Abandoned
- 2003-06-17 AU AU2003244141A patent/AU2003244141A1/en not_active Abandoned
- 2003-06-17 KR KR10-2004-7019466A patent/KR20050013198A/ko not_active Application Discontinuation
- 2003-06-17 WO PCT/JP2003/007670 patent/WO2004000726A1/ja not_active Application Discontinuation
- 2003-06-17 EP EP03760872A patent/EP1514840A1/en not_active Withdrawn
- 2003-06-17 CN CN038140640A patent/CN1662442A/zh active Pending
Patent Citations (4)
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WO2000007930A1 (en) * | 1998-08-06 | 2000-02-17 | University Of Hawaii | Novel hydrogen storage materials and method of making by dry homogenation |
WO2000020329A1 (en) * | 1998-10-07 | 2000-04-13 | Mcgill University | Reversible hydrogen storage composition |
WO2000076913A1 (en) * | 1999-06-16 | 2000-12-21 | Sri International | Preparation of aluminum hydride polymorphs, particularly stabilized alpha-alh¿3? |
WO2001068517A1 (en) * | 2000-03-17 | 2001-09-20 | Hydro-Quebec | Method for producing gaseous hydrogen by chemical reaction of metals or metal hydrides subjected to intense mechanical deformations |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006094480A1 (de) * | 2005-03-09 | 2006-09-14 | Studiengesellschaft Kohle Mbh | Verfahren zur synthese von verbindungen |
CN100369665C (zh) * | 2005-04-08 | 2008-02-20 | 中国科学院金属研究所 | 高容量配位钠铝氢化物贮氢材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1514840A1 (en) | 2005-03-16 |
JP2004018980A (ja) | 2004-01-22 |
US20050164878A1 (en) | 2005-07-28 |
KR20050013198A (ko) | 2005-02-03 |
JP4314788B2 (ja) | 2009-08-19 |
AU2003244141A1 (en) | 2004-01-06 |
CN1662442A (zh) | 2005-08-31 |
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