GB2159133A - Hydrogen absorber body - Google Patents
Hydrogen absorber body Download PDFInfo
- Publication number
- GB2159133A GB2159133A GB08413316A GB8413316A GB2159133A GB 2159133 A GB2159133 A GB 2159133A GB 08413316 A GB08413316 A GB 08413316A GB 8413316 A GB8413316 A GB 8413316A GB 2159133 A GB2159133 A GB 2159133A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydrogen
- elastomer
- absorbing material
- absorber body
- mixture
- 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
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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
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
-
- 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
-
- 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
- C01B3/0078—Composite solid storage mediums, i.e. coherent or loose mixtures of different solid constituents, chemically or structurally heterogeneous solid masses, coated solids or solids having a chemically modified surface region
-
- 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
- C01B3/0084—Solid storage mediums characterised by their shape, e.g. pellets, sintered shaped bodies, sheets, porous compacts, spongy metals, hollow particles, solids with cavities, layered solids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B4/00—Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3 + D2 → NH2D + HD
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/042—Purification by adsorption on solids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
-
- 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
Abstract
A hydrogen absorber body made of a combination of hydrogen permeable cured siloxane elastomer enclosing the absorbing material to form a barrier preventing the hydrogen absorbing material becoming contaminated by a liquid. The elastomer and the hydrogen absorbing material may be mixed together in such a way that each particle of the absorbing material is contained effectively in an elastomer matrix. Alternatively, the absorbing material may be contained within an external surface layer of the elastomer. The absorbing material can comprise molybdenum trioxide and the elastomer can be cross-linked poly-dimethyl siloxane.
Description
SPECIFICATION
Hydrogen absorber body
This invention relates to a hydrogen absorber body for absorbing hydrogen, including its isotopes, carried in a fluid medium.
Hydrogen is a potentially hazardous by-product produced inside many devices, for example during use or charging of batteries. Hydrogen can also be produced as a result of corrosion in a device, for example during transport of nuclear fuel or in nuclear reactor coolant. In these cases it is preferable to remove the hydrogen to prevent any build-up in pressure. It is known to have vents on batteries to avoid build-up in pressure. However, it is preferred to have a sealed battery otherwise the provision of a vent can allow spillage of the battery contents.
Thus some means of removing excess hydrogen from the battery is required.
Alternatively, hydrogen can be used as a product which it is desired to store, for example in fuel cells or storage and handling isotopes of hydrogen such as tritium. In this case, it may be a requirement that the hydrogen can be recovered, even if only combined with oxygen to form water. Thus, there is a requirement to produce a hydrogen absorber body suitable for removing or storing hydrogen for the applications outlined above. It is apparent that such a hydrogen absorber body employed in the above applications needs to be tolerant to a number of severe environmental conditions, for example contact with acid, alkali, radioactivity and temperatures exceeding 100 C.
Known hydrogen absorbing materials fall into two groups, reversible and irreversible. The former allows recovery of hydrogen gas whilst the latter does not, although as mentioned above hydrogen in the form of water can be recovered from some of these materials. It is a known effect that with reversible absorbing material the lattice structure is disrupted by repeated uptake and release of hydrogen, which leads to pulverisation of the material. A known solution to the lack of mechanical stability is to form a hydrogen absorber body by sintering granular or powdered absorbing material with a hydrogen permeable metal, for example nickel. By hot pressing a mixture of these two materials into a mould, the granular absorbing material is contained by interlinking of the hydrogen permeable material to impart thereby mechanical strength.
Unfortunately, the above solution requires large proportions of nickel for sufficient mechanical strength to be imparted, this leads to a significant decrease in hydrogen uptake capacity. Although alternative hydrogen permeable metals are known, for example TiNi3, they are expensive and require considerable care to be employed during manufacture. Notwithstanding these problems, the lack of resistance to alkali or acid of an absorber body employing such hydrogen permeable materials limits the uses of the body, especially where any dissolution of the body is likely to affect the device operation, for example dissolving into the acid of a battery.
U.K. 1561382 discloses cementing or compressing fine grained hydrogen absorber material with plastics to achieve structural stability for reversible storage of hydrogen. It was found that relatively small quantities of binder plastic imparted satisfactory mechanical strength, for example 2 to 25 per cent or where the plastics is in the form of a solution, 2 to 6 per cent is adequate. Naturally, for reversible storage of hydrogen the reduction in storage capacity and restrictions on absorption and release rates is of particular importance and consequently it is preferable to limit the amount of plastic material used in the cementing or compressing process to that minimum necessary to achieve minimum mechanical strength.Conveniently, such hydrogen storage bodies do not generally come into contact with the severe environmental conditions mentioned above, since the bodies would probably not be tolerant to many such conditions.
It is an object of the invention to provide a hydrogen absorber body suitably immune to severe environmental conditions whilst maintaining mechanical stability and hydrogen absorbing potential.
According to one aspect of the invention there is provided a hydrogen absorber body for absorbing hydrogen and its isotopes carried in a fluid medium and comprising hydrogen permeable cured siloxane elastomer and activated hydrogen absorbing material, the elastomer enclosing the absorbing material to form thereby a barrier between the absorbing material and the medium. By enclosing the hydrogen absorbing material in a cured silicone elastomer, mechanical strength is imparted to the body and the elastomer barrier protects the absorbing material, in a passive way, from such environmental conditions as acid, alkali, radio- activity and temperature up to 200"C, whilst allowing hydrogen through to be absorbed. An additional advantage is that the elastomer allows transfer of oxygen and water vapour therethrough in order to allow a form of reversible absorption.It will therefore be seen that the elastomer forms a barrier to severe environmental conditions, it is not however a complete defence thereto.
In one embodiment there is provided an absorber body having an external surface layer of said or other elastomer to form an additional barrier. By providing an external layer of elastomer, it is possible to produce a hollow elastomer shape for retaining the absorbing material, thereby allowing easy construction of the absorber body. Alternatively, the surface layer of elastomer can provide a further barrier.
Preferably, the absorber body comprises a mixture of elastomer and absorbing material, the elastomer being present in the proportions 25 to 50 per cent by weight after curing. By having a mixture in these proportions, the absorption of hydrogen remains at a useful level and the protective nature of the elastomer is maintained. Furthermore, the mixture can be extruded or cast, preferably in the shape of a tube or a disc.
Conveniently, the absorbing material comprises platinum activated molybdenum trioxide and the elastomer comprises a cross-linked poly-dimethyl siloxane. This form is particularly useful, since the elastomer can be cured by platinum, thus the use of platinum activated molybdenum trihod of producing a hydrogen absorber body for absorbing hydrogen and its isotopes carried in a fluid medium and comprising the steps of:
(a) producing a mixture of hydrogen permeable liquid siloxane elastomer, activated hydrogen absorbing material and a curing agent for the elastomer which is non-poisonous to the absorbing material, whereby the elastomer encloses the absorbing material,
(b) forming said mixture into a shape for the absorbing body so that after curing the elastomer forms a barrier between the absorbing material and the medium.
By using this method a mixture is formed which is easy to work with and is self-curing. For exam ple, the mixture can be extruded or cast into a mould, and left to cure.
Conveniently the curing agent is platinum compound and the absorbing material comprises platinum activated absorbing material, whereby the curing rate of the elastomer is enhanced. Preferably, the elastomer is present in the proportions 25 to 50 per cent by weight after curing to impart adequate mechanical stability to the absorber body whilst maintaining hydrogen absorption at a useful level.
The method can also further include the step of baking the cured body at a predetermined temperature for a selected time interval to evaporate off thereby volatiles remaining in the body. Thus, when the body is exposed to heat in use, it can be arranged by selecting the predetermined temperature, that all volatiles having already been removed. An additional barrier of elastomer can be provided, by dipping for example.
Examples of the present invention will now be described with reference to the accompanying drawings, in which:
Figure la illustrates a hydrogen absorber body embodying the present invention, and comprising a plurality of extruded cylinders,
Figure lb illustrates a hydrogen absorber body embodying the invention having an elastomer coating,
Figure 2 illustrates a hydrogen absorber body embodying the present invention and comprising a coated cast disc having a number of perforations therethrough.
A hydrogen absorber body 10 is shown in Figure 1a. The hydrogen absorber body comprises a plurality of cylinders 1 held together in a bunch by a wire 2.
Hydrogen absorbing material, for example molybdenum trioxide, is produced in powdered form and mixed with a solution of chloro-platinic acid in such proportions that after drying, grinding and heating to 450"C for about one hour, the active material contains about 0.1 per cent of platinum by weight. Thus, the molybdenum trioxide has been activated by superficial deposition of metallic platinum.
The activated hydrogen absorbing material is very sensitive to liquid, such as acid or alkali, when in the activated form. 75 per cent by weight of the activated material is mixed at room temperature with 25 per cent by weight of a siloxane liquid, for example poly-di methyl siloxane. A curing agent, such as platinum or tin which does not poison the activated molybdenum trioxide, is then added to the mixture. The curing rate of the mixture is subject to temperature and type of curing agent.
The mixture including the curing agent can be cooled to facilitate processing thereof. Such processing comprises extruding from a single nozzle to form shapes, for example cylinders 1. The elongate cylinder produced from the extrusion can be chopped into lengths and combined to form the absorber 10 shown in Figure 1. It will be apparent that the absorber 10 could be produced as a single extrusion. Alternatively as shown in Figure 1b, a tubular sleeve la of the silicone elastomer can be inserted over the extrusion nozzle and the mixture extruded directly into the sleeve, or a co-axial nozzle could be employed or the singly extruded cylinder 1 could be dipped in elastomer to give the sleeve 1a.
The extruded material is left to cure into a flexible but mechanically stable body.
The mixture can also be sent into a moulded (not shown) to form a disc shaped absorber body 20 as shown in Figure 2 or a tube as with Figure 1a. The body comprises the mixture 3 in the form of a disc having a number of perforations 4 which extend entirely through the disc 3 as shown by numeral 4'. A complementary elastomer barrier coating 3a can conventiently be produced by a dipping process.
The absorber bodies shown in the Figures can be baked at 150 for two hours after curing. In this way volatile products remaining in the cured material are removed so that they do not interfere with the normal diffusion process 1.
The absorber shown in Figures 1 and 2 has been found to withstand a temperature of 200"C, is substantially impermeable to water and resistant to acid, alkali and to radiation doses of 108 rads.
The mixture using the above proportions results in the elastomer enclosing the absorbing material and forming a barrier between the absorbing material and the external environment. Thus the elastomer forms a protective barrier to such conditions as acid and alkali. Furthermore, the elastomer barrier allows transfer of oxygen and water vapours therethrough so that hydrogen or its isotopes can be regenerated from the above absorber by the release of water vapour. Therefore, for example, the absorber shown in Figures 1 and 2 can be exposed to a medium carrying tritium and the tritium is absorbed by the absorber and can be subsequently recovered as tritium oxide.
The body shown in Figures 1 and 2 can be used to reduce pressure in a sealed device or remove hydrogen from an enclosed space to reduce fire risk, remove hydrogen or its isotopes for storage and subsequent retrieval, or to indicate the presence of hydrogen. This latter feature is achieved as a result of the change in colour of the molybdenum trioxide. It will be apparent that a number of reversible hydrogen absorbers can be employed, for example Pd, Mg, T, V and alloys for example,
Mg2Ni, Ti2Ni, Lank5, FeTi. Alternatively, irreversible hydrogen absorbers can be employed, for example
MoO3, WO3, CuO, Ag2O.
The proportions of the mixture of hydrogen absorbing material and silixane elastomer are determined by the use to which the absorber is to be put. It has been found that the preferred range of siloxane elastomer content is between 25 to 50 per cent by weight after curing in order to achieve adequate physical strength. With higher percentages of siloxane elastomer, it is found that the hydrogen absorbing potential of the hydrogen absorber is substantially reduced and with lower percentages of siloxane elastomer it is found that there is a fall off in mechanical stability and resistance to severe environmental conditions.
It will be apparent that when using a reversible hydrogen absorber, the absorber body described above can be employed to store and release hydrogen in a controllable manner. Alternatively, the hydrogen absorber body can be used to remove hydrogen from an electrode surface in order to increase the efficiency of an electro-chemical reaction. In addition, by monitoring the electrical conductivity of the body it is possible to produce an indication of the amount of hydrogen absorbed.
Claims (17)
1. A hydrogen absorber body for absorbing hydrogen and its isotopes carried in a fluid medium and comprising hydrogen permeable cured siloxane elastomer and activated hydrogen absorbing material the elastomer enclosing the absorbing material to form thereby a barrier between the absorbing material and the medium.
2. A hydrogen absorber body as claimed in
Claim 1 having an external surface layer of said or other elastomer to form an additional barrier.
3. A hydrogen absorber body as claimed in
Claim 1 or 2 comprising a mixture of said elastomer and said absorbing material, the elastomer being present in the proportions of 25 to 50 per cent by weight after curing.
4. A hydrogen absorber body according to any preceding claim wherein the absorbing material comprising platinum activated molybdenum trioxide.
5. A hydrogen absorber body according to any preceding claim wherein said elastomer comprises cross- linked poly-dimethyl siloxane.
6. A hydrogen absorber body as claimed in any preceding claim and having a cast or extruded cylindrical shape.
7. A hydrogen absorber body as claimed in any one of Claims 1 to 5 and having a cast or extruded porous disc shape.
8. A method of producing a hydrogen absorber body for absorbing hydrogen and its isotopes carried in a fluid medium and comprising the steps of:
(a) producing a mixture of hydrogen permeable liquid siloxane elastomer, activated hydrogen absorbing material and a curing agent for the elastomer which is non-poisonous to the absorbing material, whereby the elastomer encloses the absorbing material,
(b) forming said mixture into a shape for the absorbing body so that after cutting the elastomer forms a barrier between the absorbing material and the medium.
9. A method as claimed in Claim 8 wherein the step of forming said mixture into a shape comprises extruding of the mixture.
10. A method as claimed in Claim 8 wherein the step of forming said mixture into a shape comprises casting of the mixture.
11. A method as claimed in any one of Claims 8 to 10 wherein the absorbing material comprises platinum activated absorbing material and said curing agent comprises platinum.
12. A method as claimed in any one of Claims 8 to 11 wherein the elastomer is present in the proportions 25 to 50 per cent by weight after curing.
13. A method as claimed in any one of Claims 8 to 12 further including the step of baking the cured body at a predetermined temperature for a selected time interval to evaporate off thereby volatiles remaining in the body.
14. A method as claimed in any one of Claims 8 to 13 including the step of providing an additional barrier of a hydrogen permeable elastomer.
15. A method as claimed in claim 14 wherein said step of providing an additional barrier comprises dipping the cured body into a catalysed elastomer liquid.
16. A hydrogen absorber body substantially as herein described with reference to the accompanying drawings.
17. A method of producing a hydrogen absorbing body substantially as herein described with reference to the accompanying drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08413316A GB2159133B (en) | 1984-05-24 | 1984-05-24 | Hydrogen absorber body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08413316A GB2159133B (en) | 1984-05-24 | 1984-05-24 | Hydrogen absorber body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2159133A true GB2159133A (en) | 1985-11-27 |
| GB2159133B GB2159133B (en) | 1988-01-06 |
Family
ID=10561459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08413316A Expired GB2159133B (en) | 1984-05-24 | 1984-05-24 | Hydrogen absorber body |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2159133B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4925459A (en) * | 1988-01-11 | 1990-05-15 | Institut Francais Du Petrole | Process for separation of the constituents of a mixture in the gas phase using a composite membrane |
| US5127925A (en) * | 1982-12-13 | 1992-07-07 | Allied-Signal Inc. | Separation of gases by means of mixed matrix membranes |
| WO1994023253A1 (en) * | 1993-04-07 | 1994-10-13 | Sofrigam | Chemical reactor, refrigerating machine and container provided therewith, and reagent cartridge therefor |
| EP2038947A1 (en) * | 2006-06-23 | 2009-03-25 | Angstrom Power Inc. | Fluid enclosure and methods related thereto |
| FR2937966A1 (en) * | 2008-11-27 | 2010-05-07 | Commissariat Energie Atomique | Hydrogen tank for supplying hydrogen to a fuel cell, comprises a material such as a metal hydride capable of absorbing hydrogen via natural chemical bonds, and a compressible material for covering a part of internal walls of the tank |
| DE102009036945A1 (en) * | 2009-06-30 | 2011-03-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Particles produced therewith with an organically modified (hetero) silicic acid polycondensate-containing particle containing a metallic core suitable for hydrogen storage, batteries produced therewith and methods for their production using the particles |
| US8372561B2 (en) | 2007-03-21 | 2013-02-12 | Societe Bic | Composite fluid storage unit with internal fluid distribution feature |
| US8734576B2 (en) | 2005-04-22 | 2014-05-27 | Societe Bic | Composite hydrogen storage material and methods related thereto |
| WO2015169758A1 (en) * | 2014-05-05 | 2015-11-12 | Gkn Sinter Metals Engineering Gmbh | Hydrogen-storing component composed of slip, device, and method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561382A (en) * | 1975-11-11 | 1980-02-20 | Deutsche Automobilgesellsch | Form retaining hydrogen-storing material |
| GB1604519A (en) * | 1977-07-25 | 1981-12-09 | Bausch & Lomb | Polysiloxane polymers and contact lens and other biomedical articles formed therefrom |
| EP0046907A2 (en) * | 1980-08-23 | 1982-03-10 | Bayer Ag | Vinyl-silicone pastes for taking dental impressions |
| EP0069941A1 (en) * | 1981-07-02 | 1983-01-19 | Air Products And Chemicals, Inc. | Recovering hydrogen from gas stream using metal hydride |
-
1984
- 1984-05-24 GB GB08413316A patent/GB2159133B/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561382A (en) * | 1975-11-11 | 1980-02-20 | Deutsche Automobilgesellsch | Form retaining hydrogen-storing material |
| GB1604519A (en) * | 1977-07-25 | 1981-12-09 | Bausch & Lomb | Polysiloxane polymers and contact lens and other biomedical articles formed therefrom |
| EP0046907A2 (en) * | 1980-08-23 | 1982-03-10 | Bayer Ag | Vinyl-silicone pastes for taking dental impressions |
| EP0069941A1 (en) * | 1981-07-02 | 1983-01-19 | Air Products And Chemicals, Inc. | Recovering hydrogen from gas stream using metal hydride |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5127925A (en) * | 1982-12-13 | 1992-07-07 | Allied-Signal Inc. | Separation of gases by means of mixed matrix membranes |
| US4925459A (en) * | 1988-01-11 | 1990-05-15 | Institut Francais Du Petrole | Process for separation of the constituents of a mixture in the gas phase using a composite membrane |
| WO1994023253A1 (en) * | 1993-04-07 | 1994-10-13 | Sofrigam | Chemical reactor, refrigerating machine and container provided therewith, and reagent cartridge therefor |
| FR2703763A1 (en) * | 1993-04-07 | 1994-10-14 | Sofrigam | Chemical reactor, refrigerating machine and container thus equipped, and reagent cartridge thereto. |
| US5661986A (en) * | 1993-04-07 | 1997-09-02 | Sofrigam | Chemical reactor, refrigerating machine and container provided therewith and reagent cartridge therefor |
| US8734576B2 (en) | 2005-04-22 | 2014-05-27 | Societe Bic | Composite hydrogen storage material and methods related thereto |
| US8132667B2 (en) | 2006-06-23 | 2012-03-13 | SOCIéTé BIC | Fluid enclosure and methods related thereto |
| EP2038947A4 (en) * | 2006-06-23 | 2011-01-05 | Angstrom Power Inc | Fluid enclosure and methods related thereto |
| US8651269B2 (en) | 2006-06-23 | 2014-02-18 | Societe Bic | Fluid enclosure and methods related thereto |
| EP2038947A1 (en) * | 2006-06-23 | 2009-03-25 | Angstrom Power Inc. | Fluid enclosure and methods related thereto |
| US8372561B2 (en) | 2007-03-21 | 2013-02-12 | Societe Bic | Composite fluid storage unit with internal fluid distribution feature |
| FR2937966A1 (en) * | 2008-11-27 | 2010-05-07 | Commissariat Energie Atomique | Hydrogen tank for supplying hydrogen to a fuel cell, comprises a material such as a metal hydride capable of absorbing hydrogen via natural chemical bonds, and a compressible material for covering a part of internal walls of the tank |
| DE102009036945A1 (en) * | 2009-06-30 | 2011-03-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Particles produced therewith with an organically modified (hetero) silicic acid polycondensate-containing particle containing a metallic core suitable for hydrogen storage, batteries produced therewith and methods for their production using the particles |
| DE102009036945B4 (en) * | 2009-06-30 | 2012-10-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Particles produced therewith with an organically modified (hetero) silicic acid polycondensate-containing particle containing a metallic core suitable for hydrogen storage, batteries produced therewith and methods for their production using the particles |
| WO2015169758A1 (en) * | 2014-05-05 | 2015-11-12 | Gkn Sinter Metals Engineering Gmbh | Hydrogen-storing component composed of slip, device, and method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2159133B (en) | 1988-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |