Patents by Inventor Martin Dornheim
Martin Dornheim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11879594Abstract: A method for manufacturing tanks for storing or containing a fluid under pressure and a method for manufacturing pipes for containing or channeling a fluid under pressure, such as for storing, containing or channeling hydrogen, natural gas or a hydraulic fluid. The method is less complex than known procedures, can be employed in a continuous or semi-continuous manner and allows for a lower thickness of the shell made from the fibres. The method comprising providing a liner having a cylindrical portion with two ends and two dome portions at the respective ends of the cylindrical portions or a liner having a cylindrical portion and one or two open ends; fabricating a tube of fibre filaments by means of the pullwinding method; and wrapping the tube of fibre filaments onto the liner such that at least the cylindrical portion of the liner is enclosed by the tube of fibre filaments.Type: GrantFiled: January 15, 2021Date of Patent: January 23, 2024Assignees: Helmholtz-Zentrum hereon GmbH, assemblae, Stühff GmbHInventors: Julián Puszkiel, José M. Bellosta Von Colbe, Anton Nijkamp, Holger Stühff, Julian Jepsen, Martin Dornheim, Thomas Klassen
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Patent number: 11845659Abstract: The present invention relates to a composite material for hydrogen storage based on metal hydrides and to a method of operating a hydrogen storage system based on metal hydrides capable of releasing and absorbing hydrogen. Such hydrogen storage systems based on metal hydrides may be applicable as a fuel source for a fuel cell. The composite material for hydrogen storage comprises a powder or pellets of a hydride and a phase changing material (PCM), wherein the PCM is an encapsulated phase changing material (EPCM) which is homogeneously dispersed within the powder or pellets of the hydride.Type: GrantFiled: June 30, 2021Date of Patent: December 19, 2023Assignees: Helmholtz-Zentrum hereon GmbH, Stühff GmbHInventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Julian Jepsen, Klaus Horst Taube, Giovanni Capurso, Holger Stühff
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Patent number: 11616245Abstract: The invention relates to a cold start apparatus for an exothermic hydrogen consumer such as a fuel cell and also a method for operating an exothermic hydrogen consumer having a metal hydride store or hydrogen supply from a reformer. It is an object of the present invention to provide a fuel cell having an efficient cold start apparatus, which can be taken into operation immediately and does not require any pressure tank. Furthermore, the cold start apparatus should be available for an unlimited number of starting operations.Type: GrantFiled: December 15, 2020Date of Patent: March 28, 2023Inventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Julian Jepsen, Klaus Taube, Julián Puszkiel, Dieter Platzek
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Publication number: 20230045434Abstract: A cold start device for an exothermic hydrogen consumer such as a fuel cell, as well as a method for operating an exothermic hydrogen consumer with a metal hydride storage system. An exothermic hydrogen consumer such as a fuel cell with an efficient cold start device which can be brought into operation rapidly and. does not require a pressure tank is provided. The cold start device is available for an unlimited number of start-up procedures. At least one starter tank is filled with a metal hydride which has an equilibrium pressure for desorption of at least 100 kPa at a temperature of ?40° C., as well as at least one operating tank which is filled with at least one metal hydride, which has an equilibrium pressure of <100 kPa at temperatures of <0° C., and wherein the starter tank is incorporated into the operating tank.Type: ApplicationFiled: December 18, 2020Publication date: February 9, 2023Inventors: Julian Jepsen, José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Klaus Taube, Julián Puszkiel, Anna Kallias, Holger Stühff, Dieter Platzek, Ignasi Cabezas Marce
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Patent number: 11524895Abstract: The present invention relates to a method for producing tetrahydridoborate salts with high efficiency at low cost. The method for the production of metal borohydride salts according to the present invention comprises the steps of providing an anhydrous metal borate salt and milling the anhydrous metal borate salt in the presence of a metal material based on magnesium or magnesium alloys in a hydrogen atmosphere at a temperature and for a time sufficient to produce the metal borohydride salt. In another embodiment of the invention, the method for the production of metal borohydride salts according to the present invention comprises the steps of providing an hydrated metal borate salt and milling the hydrated metal borate salt in the presence of a metal material based on magnesium or magnesium alloys in an inert gas atmosphere at a temperature and for a time sufficient to produce the metal borohydride salts.Type: GrantFiled: May 8, 2020Date of Patent: December 13, 2022Assignee: Helmholtz-Zentrum hereon GmbHInventors: Claudio Pistidda, Thi Thu Le, Julián Puszkiel, Klaus Horst Taube, Martin Dornheim, Thomas Klassen
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Publication number: 20220340417Abstract: The present invention relates to a composite material for hydrogen storage based on metal hydrides and to a method of operating a hydrogen storage system based on metal hydrides capable of releasing and absorbing hydrogen. Such hydrogen storage systems based on metal hydrides may be applicable as a fuel source for a fuel cell. The composite material for hydrogen storage comprises a powder or pellets of a hydride and a phase changing material (PCM), wherein the PCM is an encapsulated phase changing material (EPCM) which is homogeneously dispersed within the powder or pellets of the hydride.Type: ApplicationFiled: June 30, 2021Publication date: October 27, 2022Applicants: Helmholtz-Zentrum hereon Gmbh, Stühff GmbHInventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Julian Jepsen, Klaus Horst Taube, Giovanni Capurso, Holger Stühff
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Patent number: 11329299Abstract: The invention relates to a gas circulation system (1) for transporting heat from a high-temperature source (5) to a heat consumer (7), having a pipe system (2), through which a gaseous heat transfer medium flows, wherein part of the pipe system (2) is formed as a heat exchanger (4) following on from the high-temperature source (5), in which heat is transferred from the high-temperature source (5) into the heat transfer medium, and wherein part of the pipe system (2) is formed as a heat sink (6), in which the heat transferred to the heat transfer medium can be transferred to a heat consumer (7), or as a heat consumer. One or more gas flow enhancers (8) functioning according to the Coand? effect and/or the Venturi effect, which are supplied with pressurized impulse gas, are provided in the pipe system (2), in order to propel the heat transfer medium in the pipe system (2) in a flow direction (3).Type: GrantFiled: April 26, 2019Date of Patent: May 10, 2022Inventors: José Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Giovanni Capurso, Klaus Taube
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Patent number: 11289717Abstract: The present invention relates to a system and method for the efficient heat management of a low-temperature fuel cell which is supplied from a metal hydride store. The system of the invention makes it possible to achieve, for example, discharge temperatures of the metal hydride store of about 180° C. in the case of low-temperature fuel cells operated at about 85° C.Type: GrantFiled: July 22, 2020Date of Patent: March 29, 2022Inventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Klaus Taube
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Publication number: 20220002150Abstract: The present invention relates to a composite material for hydrogen storage based on metal hydrides and to a method of operating a hydrogen storage system based on metal hydrides capable of releasing and absorbing hydrogen. Such hydrogen storage systems based on metal hydrides may be applicable as a fuel source for a fuel cell. The composite material for hydrogen storage comprises a powder or pellets of a hydride and a phase changing material (PCM), wherein the PCM is an encapsulated phase changing material (EPCM) which is homogeneously dispersed within the powder or pellets of the hydride.Type: ApplicationFiled: June 30, 2021Publication date: January 6, 2022Applicants: Helmholtz-Zentrum hereon Gmbh, Stühff GmbHInventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Julian Jepsen, Klaus Horst Taube, Giovanni Capurso, Holger Stühff
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Publication number: 20210222831Abstract: A method for manufacturing tanks for storing or containing a fluid under pressure and a method for manufacturing pipes for containing or channeling a fluid under pressure, such as for storing, containing or channeling hydrogen, natural gas or a hydraulic fluid. The method is less complex than known procedures, can be employed in a continuous or semi-continuous manner and allows for a lower thickness of the shell made from the fibres. The method comprising providing a liner having a cylindrical portion with two ends and two dome portions at the respective ends of the cylindrical portions or a liner having a cylindrical portion and one or two open ends; fabricating a tube of fibre filaments by means of the pullwinding method; and wrapping the tube of fibre filaments onto the liner such that at least the cylindrical portion of the liner is enclosed by the tube of fibre filaments.Type: ApplicationFiled: January 15, 2021Publication date: July 22, 2021Applicants: Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH, assemblae, Stühff GmbHInventors: Julián Puszkiel, José M. Bellosta Von Colbe, Anton Nijkamp, Holger Stühff, Julian Jepsen, Martin Dornheim, Thomas Klassen
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Publication number: 20210194026Abstract: The invention relates to a cold start apparatus for an exothermic hydrogen consumer such as a fuel cell and also a method for operating an exothermic hydrogen consumer having a metal hydride store or hydrogen supply from a reformer. It is an object of the present invention to provide a fuel cell having an efficient cold start apparatus, which can be taken into operation immediately and does not require any pressure tank. Furthermore, the cold start apparatus should be available for an unlimited number of starting operations.Type: ApplicationFiled: December 15, 2020Publication date: June 24, 2021Inventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Julian Jepsen, Klaus Taube, Julián Puszkiel, Dieter Platzek
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Publication number: 20210036343Abstract: The present invention relates to a system and method for the efficient heat management of a low-temperature fuel cell which is supplied from a metal hydride store. The system of the invention makes it possible to achieve, for example, discharge temperatures of the metal hydride store of about 180° C. in the case of low-temperature fuel cells operated at about 85° C.Type: ApplicationFiled: July 22, 2020Publication date: February 4, 2021Inventors: José M. Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Klaus Taube
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Publication number: 20200361769Abstract: The present invention relates to a method for producing tetrahydridoborate salts with high efficiency at low cost. The method for the production of metal borohydride salts according to the present invention comprises the steps of providing an anhydrous metal borate salt and milling the anhydrous metal borate salt in the presence of a metal material based on magnesium or magnesium alloys in a hydrogen atmosphere at a temperature and for a time sufficient to produce the metal borohydride salt. In another embodiment of the invention, the method for the production of metal borohydride salts according to the present invention comprises the steps of providing an hydrated metal borate salt and milling the hydrated metal borate salt in the presence of a metal material based on magnesium or magnesium alloys in an inert gas atmosphere at a temperature and for a time sufficient to produce the metal borohydride salts.Type: ApplicationFiled: May 8, 2020Publication date: November 19, 2020Applicant: Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbHInventors: Claudio Pistidda, Thu Thu Le, Julián Puszkiel, Klaus Horst Taube, Martin Dornheim, Thomas Klassen
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Publication number: 20190363378Abstract: The invention relates to a gas circulation system (1) for transporting heat from a high-temperature source (5) to a heat consumer (7), having a pipe system (2), through which a gaseous heat transfer medium flows, wherein part of the pipe system (2) is formed as a heat exchanger (4) following on from the high-temperature source (5), in which heat is transferred from the high-temperature source (5) into the heat transfer medium, and wherein part of the pipe system (2) is formed as a heat sink (6), in which the heat transferred to the heat transfer medium can be transferred to a heat consumer (7), or as a heat consumer. One or more gas flow enhancers (8) functioning according to the Coand? effect and/or the Venturi effect, which are supplied with pressurized impulse gas, are provided in the pipe system (2), in order to propel the heat transfer medium in the pipe system (2) in a flow direction (3).Type: ApplicationFiled: April 26, 2019Publication date: November 28, 2019Inventors: José Bellosta Von Colbe, Thomas Klassen, Martin Dornheim, Giovanni Capurso, Klaus Taube
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Patent number: 8926861Abstract: The present invention relates to a hydrogen-storing composite material which is convertible essentially reversibly between a storing state and a non-storing state, wherein the reaction enthalpy in this conversion reaction can be set in a targeted manner to a value between 15 and 80 kJ/mol of H2, preferably 25 to 40 kJ/mol of H2.Type: GrantFiled: October 30, 2008Date of Patent: January 6, 2015Assignee: Helmholtz-Zentrum Geesthacht Zentrum für Material—und Küstenforschung GmbHInventors: Nico Eigen, Martin Dornheim, Rüdiger Bormann
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Patent number: 8815207Abstract: The present invention concerns a method of activating or regenerating a hydrogen storage material which contains at least one metal hydride. The at least one metal hydride is brought into contact with an inert solvent and the inert solvent is subsequently removed again. After contacting with and removal of the inert solvent, there is not only an increase in the reaction rate but surprisingly the hydrogenation also proceeds more completely. The present method is particularly advantageous when the hydrogen storage material contains at least components which interact with one another during absorption and desorption.Type: GrantFiled: December 10, 2009Date of Patent: August 26, 2014Assignee: GKSS-Forschungszentrum Geesthacht GmbHInventors: Gagik Barkhordarian, Claudio Pistidda, Martin Dornheim, Rüdiger Bormann
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Publication number: 20130187085Abstract: The present invention relates to a hydrogen-storing composite material which is convertible essentially reversibly between a storing state and a non-storing state, wherein the reaction enthalpy in this conversion reaction can be set in a targeted manner to a value between 15 and 80 kJ/mol of H2, preferably 25 to 40 kJ/mol of H2.Type: ApplicationFiled: October 30, 2008Publication date: July 25, 2013Applicant: GKSS-Forschungszentrum Geesthacht GmbHInventors: Nico Eigen, Martin Dornheim, Rüdiger Bormann
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Publication number: 20100160149Abstract: The present invention concerns a method of activating or regenerating a hydrogen storage material which contains at least one metal hydride. The at least one metal hydride is brought into contact with an inert solvent and the inert solvent is subsequently removed again. After contacting with and removal of the inert solvent, there is not only an increase in the reaction rate but surprisingly the hydrogenation also proceeds more completely. The present method is particularly advantageous when the hydrogen storage material contains at least components which interact with one another during absorption and desorption.Type: ApplicationFiled: December 10, 2009Publication date: June 24, 2010Applicant: GKSS-FORSCHUNGSZENTRUM GEESTHACHT GmbHInventors: GAGIK BARKHORDARIAN, Claudio Pistidda, Martin Dornheim, Rüdiger Bormann
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Patent number: 7718239Abstract: The present invention relates to a gas tight storage and/or transport tank for low molecular filling media, in particular for hydrogen, with a tank wall which comprises a thermoplastic polymer and at least one diffusion barrier. The diffusion barrier comprises a metal hydride.Type: GrantFiled: October 12, 2006Date of Patent: May 18, 2010Assignee: GKSS-Forschungszentrum Geesthacht GmbHInventors: Thomas Klassen, Martin Dornheim, Rudiger Bormann, Uz Baumgart
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Publication number: 20070089764Abstract: The present invention relates to a gas tight storage and/or transport tank for low molecular filling media, in particular for hydrogen, with a tank wall which comprises a thermoplastic polymer and at least one diffusion barrier. The diffusion barrier comprises a metal hydride.Type: ApplicationFiled: October 12, 2006Publication date: April 26, 2007Applicant: GKSS-FORSCHUNGSZENTRUM GEESTHACHT GMBHInventors: Thomas Klassen, Martin Dornheim, Rudiger Bormann, Uz Baumgart