WO2009057127A1 - A system for effective storing and fuelling of hydrogen - Google Patents

A system for effective storing and fuelling of hydrogen Download PDF

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Publication number
WO2009057127A1
WO2009057127A1 PCT/IN2007/000591 IN2007000591W WO2009057127A1 WO 2009057127 A1 WO2009057127 A1 WO 2009057127A1 IN 2007000591 W IN2007000591 W IN 2007000591W WO 2009057127 A1 WO2009057127 A1 WO 2009057127A1
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Prior art keywords
hydrogen
fuelling
carbonaceous material
bar
cylinder
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PCT/IN2007/000591
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French (fr)
Inventor
Patel Phirose
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Patel Phirose
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Filing date
Publication date
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Publication of WO2009057127A1 publication Critical patent/WO2009057127A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C11/00—Use of gas-solvents or gas-sorbents in vessels
    • F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
    • 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
    • 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
    • C01B3/0021—Carbon, e.g. active carbon, carbon nanotubes, fullerenes; 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
    • C01B3/0005—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
    • C01B3/0005—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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes

Definitions

  • the present invention relates to a system for effective storing and fuelling of hydrogen.
  • the present invention relates to effective storing and fuelling of hydrogen by adsorption of hydrogen using carbonaceous material with high surface area under cryogenic conditions.
  • Hydrogen is a promising alternative fuel since it is completely pollution-free, and can be produced from renewable sources of energy.
  • Efficient storing of hydrogen is the key to power internal combustion engine or fuel cell vehicles and other energy devices, and thus, the economy.
  • Some other techniques store hydrogen using several types of materials, including metal hydrides, glass micro spheres, nano tubes, and fullerenes. However, all these materials have low hydrogen storage capacity, making them non-competitive with hydro carbons.
  • Hydrogen can be stored in carbon nanostructures, such as graphite and carbon nano fibers, according to many papers published by many scientific teams, and various patents. Furthermore, hydrogen storage in Aluminum and Silica containing zeolites and micro porous materials has been explored previously.
  • the present invention relates to a system for effective storing and fuelling of hydrogen comprising of: (a) a source of hydrogen for supply, duly boosted to pressures up to 300 Bar, (b) an intermediate storage of at least a cylinder accommodating hydrogen gas maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K; (c) means for fuelling hydrogen comprising of a multi-jacketed insulated cylindef and a carbonaceous material inside the insulated cylinder, duly treated by impregnating with at least a precious metal which is duly reduced by hydrogenation; said carbonaceous material having a bulk density ranging from 0.1 gm/ec to 0.3 gm/cc and surface area up to 4000 sq mt/gm, exposing the carbonaceous material to pressures varying up to 300 Bar, cooling the contents therein at cryogenic temperatures ranging from 76K to 38K; such that coils are included inside said intermediate storage and said multi- jacketed insulated cylinder through which Helium
  • Figure 1 shows the line diagram of the hydrogen storage and fuelling system.
  • the present invention relates to a system for effective storing and fuelling of hydrogen comprising of a source of hydrogen for supply (1), an intermediate storage of hydrogen (2), mechanism of cooling of the system (3) and the insulated cylinder (4) for the vehicle.
  • the source of hydrogen for supply can be either a hydrogen generator (Al) or a cascade of hydrogen cylinders (A2). This hydrogen supply is boosted up to about 300 Bar (Bl).
  • the present invention uses a multi-jacketed insulated cylinder.
  • a carbonaceous material (M) duly treated by impregnating with precious metals like Palladium or Ruthenium nano particles, which are duly reduced by hydrogenation is placed inside the above cylinder.
  • the carbonaceous material used is carbon novoloid micro fibers, with a bulk density ranging from 0.1 gm/cc to 0.3 gm/cc.
  • the said carbonaceous material are exposed to pressures up to 300 Bar and are cooled at cryogenic temperatures ranging from 76K to 38K to obtain hydrogen at 47 to 275 Kg/m 3 of storage space.
  • This multi-jacketed insulated cylinder is used in the vehicle for fuelling the vehicle.
  • the carbon novoloid micro fibers ape in the diametrical range of about 8 to 9 microns.
  • the carbon novoloid micro fibers can preferably be carbon wool, which is fluffy under pressure to allow maximum exposure of the high surface area, viz. up to 4000 sq mt/gm. These fibers do not get compacted underpressure.
  • Carbon coated ceramic fibers may also be used after being treated as the novoloid micro fibers.
  • the multi-jacketed cylinder may be of stainless steel or a stainless steel composite, or composites, which is super insulated by hard vacuum and super insulating material like perlite or ahiminized mylar or a combination thereof.
  • This cylinder includes coils (C3) inside it, through which Helium gas is circulated in a closed circuit in order to achieve cryogenic temperatures up to 38K.
  • the boosted hydrogen is fed into the above cylinder in order to internally cool it to the above mentioned cryogenic temperatures.
  • the cryogenic cooling is achieved by connecting the intermediate storage cylinders and the cylinder on the vehicle to a Helium refrigerator (HeI) during adsorption with the help of detachable He cryogenic couplers.
  • HeI Helium refrigerator
  • the quantity (weight percentage) of hydrogen stored/obtained increases with varying density, pressure and temperature combinations.
  • the present invention also provides for a method to inject hydrogen from an auxiliary cylinder (5) at room temperature in case the temperature becomes lower than the pre-determined temperature (due to Joule Thomson Effect during desorbtion).
  • the system may utilize an intermediate storage of the hydrogen gas for ready supply to the vehicles.
  • This intermediate storage comprises of at least a thermally insulated cylinder (R1-R2) accommodating hydrogen gas, which is maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K, as may be applicable.
  • the cooling of this cylinder also takes place in the same manner as the insulated cylinder (4), the difference being that the carbonaceous material need not be present inside this cylinder (R1-R2).
  • the present invention will now be explained with the help of the chart below.
  • the chart depicts the process at 200 Bar pressure at 38K temperature.
  • the aforesaid results can vary with different densities and pressures and temperature combinations.
  • For e.g. at 300 Bar the quantity of hydrogen in liters increases by 1.50 times resulting in weight percentage increase by the same ratio.
  • the said chart does not limit the scope of the invention in any manner.
  • ADVANTAGES a) Higher Storage Capacity - the storage exceeds the DOE USA 2015 targets of 65 Kgs/Cubic meter and liquid hydrogen storage of 70 Kgs/ cubic meter by a factor of 2. b) Th ⁇ maximum compressibility factor is remaining at 1.

Abstract

The present invention relates to a system for effective storing and fuelling of hydrogen comprising of (a) source of hydrogen for supply, duly boosted to pressures up to 300 Bar, (b) an intermediate storage of at least a cylinder accommodating hydrogen gas maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K; (c) means for fuelling hydrogen comprising of a multi-jacketed insulated cylinder and a carbonaceous material inside said insulated cylinder, duly treated by impregnating with at least a precious metal which is duly reduced by hydrogenation; said carbonaceous material having a bulk density ranging from 0.1 gm/cc to 0.3 gm/cc and surface area up to 4000 sq mt/gm, exposing said carbonaceous material to pressures varying up to 300 Bar, cooling the contents therein at cryogenic temperatures ranging from 76K to 38K; such that coils are included inside said intermediate storage and said multi-jacketed insulated cylinder through which Helium gas is circulated in a closed circuit.

Description

A SYSTEM FOR EFFECTIVE STORING AND FUELLING OF HYDROGEN
FIELD OF INVENTION
The present invention relates to a system for effective storing and fuelling of hydrogen. Particularly, the present invention relates to effective storing and fuelling of hydrogen by adsorption of hydrogen using carbonaceous material with high surface area under cryogenic conditions.
BACKGROUND OF THE INVENTION
Storing hydrogen has been the subject of exhaustive research for many years. Hydrogen is a promising alternative fuel since it is completely pollution-free, and can be produced from renewable sources of energy.
Efficient storing of hydrogen is the key to power internal combustion engine or fuel cell vehicles and other energy devices, and thus, the economy.
Further, storing hydrogen in large quantities safely under limited pressures and in a light weight container is problematic.
Several different techniques have been developed to tackle this problem. In some cases hydrogen is stored in tanks under high pressure, for example, 750 Bar. In other techniques hydrogen is liquefied at temperatures below 20 K. Both these techniques pose problems from the aspect of energy consumption as 40 % energy of hydrogen is lost in conversion into liquid. Power requirement and compressibility factor makes it uneconomical at such high pressures.
Some other techniques store hydrogen using several types of materials, including metal hydrides, glass micro spheres, nano tubes, and fullerenes. However, all these materials have low hydrogen storage capacity, making them non-competitive with hydro carbons.
Hydrogen can be stored in carbon nanostructures, such as graphite and carbon nano fibers, according to many papers published by many scientific teams, and various patents. Furthermore, hydrogen storage in Aluminum and Silica containing zeolites and micro porous materials has been explored previously.
However, the aforesaid methods have the following disadvantages. Typically storing hydrogen at ambient temperatures caused the storage capacity to fall far short of the theoretical value, making the methods economically non-viable. Also, the methods that considered storage of hydrogen at other temperatures reported insufficient storage efficiencies. In particular, U.S. Patent No. 5,653,951 considered hydrogen storage in carbon nanostructures, utilizing chemisorptions. Chemisorptions binds hydrogen to the carbon nanostructure by forming a chemical bond that is typically quite strong. Therefore, chemisorptive bonds can change the chemical composition and structure of the storage material itself. This is a drawback for storage applications, as the storage system has to be operated cyclically without structural degradation in order to be useful. Also, because of the formation of chemical bonds, the hydrogen might be recovered from the storage material in an altered chemical form, for example, methane. This again reduces the usefulness of storage materials, which form chemisorptive bonds.
Therefore, there is a need for hydrogen storage systems that contain structures, wherein the composition of the structure is selected to ensure high surface area for higher storage efficiency. In order to achieve the aforesaid, hydrogen storage systems, an appropriate fuelling system is devised.
SUMMARY OF THE PRESENT INVENTION
The present invention relates to a system for effective storing and fuelling of hydrogen comprising of: (a) a source of hydrogen for supply, duly boosted to pressures up to 300 Bar, (b) an intermediate storage of at least a cylinder accommodating hydrogen gas maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K; (c) means for fuelling hydrogen comprising of a multi-jacketed insulated cylindef and a carbonaceous material inside the insulated cylinder, duly treated by impregnating with at least a precious metal which is duly reduced by hydrogenation; said carbonaceous material having a bulk density ranging from 0.1 gm/ec to 0.3 gm/cc and surface area up to 4000 sq mt/gm, exposing the carbonaceous material to pressures varying up to 300 Bar, cooling the contents therein at cryogenic temperatures ranging from 76K to 38K; such that coils are included inside said intermediate storage and said multi- jacketed insulated cylinder through which Helium gas is circulated in a closed circuit.
BRIEF DESCRIPTION OF THE INVENTION
The present invention will now be described with reference to the accompanying drawings, wherein the same numerals/characters indicate the same parts and wherein:-
Figure 1 shows the line diagram of the hydrogen storage and fuelling system. Referring to figure 1, the present invention relates to a system for effective storing and fuelling of hydrogen comprising of a source of hydrogen for supply (1), an intermediate storage of hydrogen (2), mechanism of cooling of the system (3) and the insulated cylinder (4) for the vehicle.
The system referred above is described in detail below. However, the system described below does not limit the scope of the invention.
The source of hydrogen for supply can be either a hydrogen generator (Al) or a cascade of hydrogen cylinders (A2). This hydrogen supply is boosted up to about 300 Bar (Bl). The present invention uses a multi-jacketed insulated cylinder. A carbonaceous material (M) duly treated by impregnating with precious metals like Palladium or Ruthenium nano particles, which are duly reduced by hydrogenation is placed inside the above cylinder. Preferably, the carbonaceous material used is carbon novoloid micro fibers, with a bulk density ranging from 0.1 gm/cc to 0.3 gm/cc. The said carbonaceous material are exposed to pressures up to 300 Bar and are cooled at cryogenic temperatures ranging from 76K to 38K to obtain hydrogen at 47 to 275 Kg/m3 of storage space. This multi-jacketed insulated cylinder is used in the vehicle for fuelling the vehicle.
The carbon novoloid micro fibers ape in the diametrical range of about 8 to 9 microns. The carbon novoloid micro fibers can preferably be carbon wool, which is fluffy under pressure to allow maximum exposure of the high surface area, viz. up to 4000 sq mt/gm. These fibers do not get compacted underpressure.
Carbon coated ceramic fibers may also be used after being treated as the novoloid micro fibers.
The multi-jacketed cylinder may be of stainless steel or a stainless steel composite, or composites, which is super insulated by hard vacuum and super insulating material like perlite or ahiminized mylar or a combination thereof. This cylinder includes coils (C3) inside it, through which Helium gas is circulated in a closed circuit in order to achieve cryogenic temperatures up to 38K. The boosted hydrogen is fed into the above cylinder in order to internally cool it to the above mentioned cryogenic temperatures. During the fuelling cycle, the cryogenic cooling is achieved by connecting the intermediate storage cylinders and the cylinder on the vehicle to a Helium refrigerator (HeI) during adsorption with the help of detachable He cryogenic couplers.
The quantity (weight percentage) of hydrogen stored/obtained increases with varying density, pressure and temperature combinations.
The present invention also provides for a method to inject hydrogen from an auxiliary cylinder (5) at room temperature in case the temperature becomes lower than the pre-determined temperature (due to Joule Thomson Effect during desorbtion).
The system may utilize an intermediate storage of the hydrogen gas for ready supply to the vehicles. This intermediate storage comprises of at least a thermally insulated cylinder (R1-R2) accommodating hydrogen gas, which is maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K, as may be applicable. The cooling of this cylinder also takes place in the same manner as the insulated cylinder (4), the difference being that the carbonaceous material need not be present inside this cylinder (R1-R2).
The present invention will now be explained with the help of the chart below. The chart depicts the process at 200 Bar pressure at 38K temperature. However the aforesaid results can vary with different densities and pressures and temperature combinations. For e.g. at 300 Bar the quantity of hydrogen in liters increases by 1.50 times resulting in weight percentage increase by the same ratio. The said chart does not limit the scope of the invention in any manner.
Temperature v/s Liters of Hydrogen
Figure imgf000009_0001
Temperature in K
ADVANTAGES a) Higher Storage Capacity - the storage exceeds the DOE USA 2015 targets of 65 Kgs/Cubic meter and liquid hydrogen storage of 70 Kgs/ cubic meter by a factor of 2. b) Thό maximum compressibility factor is remaining at 1.

Claims

Claims;
1. A system for effective storing and fuelling of hydrogen comprising of: a. a source of hydrogen for supply, duly boosted to pressures up to 300 Bar, b. an intermediate storage of at least a cylinder accommodating hydrogen gas maintained at pressures up to 300 Bar and at cryogenic temperatures ranging from 76K to 38K; c. means for fuelling hydrogen comprising of a multi-jacketed insulated cylinder and a carbonaceous material inside said insulated cylinder, duly treated by impregnating with at least a precious metal which is duly reduced by hydrogenation; said carbonaceous material having a bulk density ranging from 0.1 gm/cc to 0.3 gm/cc and surface area up to 4000 sq mt/gm, exposing said carbonaceous material to pressures varying up to
300 Bar, cooling the contents therein at cryogenic temperatures ranging from 76K to 38K; such that coils are included inside said intermediate storage and said multi- jacketed insulated cylinder through which Helium gas is circulated in a closed circuit.
2. A system as claimed in Claim 1, wherein said carbonaceous material is carbon novoloid micro fiber.
3. A system as claimed in Claim 2, wherein said carbon novoloid micro fiber is a carbon wool.
4. A system as claimed in Claim 1, wherein said precious metal is Palladium or Ruthenium nano particles.
5. A system as claimed in Claim 1, wherein said precious metal is a combination of Palladium or Ruthenium nano particles.
6. A system as claimed in Claim 5, wherein said impregnation is achieved with ratio of Palladium or Ruthenium is up to 1 to 1.5%.
7. A system as claimed in claim 6, wherein said insulating material is super perlite or aluminized mylar or a combination thereof.
8. A system as claimed in any of the aforesaid claims, including an auxiliary cylinder to inject hydrogen at room temperature in case the temperature becomes lower than a pre-determined temperature. A system for effective storing and fuelling of hydrogen substantially as herein described with reference to the examples and figures accompanying the specification.
PCT/IN2007/000591 2007-11-01 2007-12-14 A system for effective storing and fuelling of hydrogen WO2009057127A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2174MU2007 2007-11-01
IN2174/MUM/2007 2007-11-01

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PCT/IB2008/002919 WO2009056962A2 (en) 2007-11-01 2008-10-23 A system for effective storing and fuelling of hydrogen

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Cited By (4)

* Cited by examiner, † Cited by third party
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WO2009056962A2 (en) * 2007-11-01 2009-05-07 Phiroze Patel A system for effective storing and fuelling of hydrogen
WO2012049622A1 (en) * 2010-10-15 2012-04-19 Phiroze H Patel An adsorbent system and an apparatus for effective storing and fuelling of hydrogen
WO2013024224A1 (en) * 2011-08-12 2013-02-21 Coldway Method for filling a gas storage tank
WO2014124873A1 (en) * 2013-02-12 2014-08-21 Shell Internationale Research Maatschappij B.V. Hydrogen quality differentiation at refuelling station

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US4749384A (en) * 1987-04-24 1988-06-07 Union Carbide Corporation Method and apparatus for quick filling gas cylinders
US5653951A (en) 1995-01-17 1997-08-05 Catalytic Materials Limited Storage of hydrogen in layered nanostructures
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WO2009056962A2 (en) * 2007-11-01 2009-05-07 Phiroze Patel A system for effective storing and fuelling of hydrogen
WO2009056962A3 (en) * 2007-11-01 2010-01-07 Phiroze Patel A system for storing and fulling of hydrogen
WO2012049622A1 (en) * 2010-10-15 2012-04-19 Phiroze H Patel An adsorbent system and an apparatus for effective storing and fuelling of hydrogen
WO2013024224A1 (en) * 2011-08-12 2013-02-21 Coldway Method for filling a gas storage tank
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US9856142B2 (en) 2013-02-12 2018-01-02 Shell Oil Company Hydrogen quality differentiation at refueling station

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