Patents by Inventor Jochen Baurmeister
Jochen Baurmeister 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: 11569512Abstract: The present invention relates to a membrane electrode unit comprising a polymer membrane doped with a mineral acid as well as two electrodes, characterized in that the polymer membrane comprises at least one polymer with at least one nitrogen atom and at least one electrode comprises a catalyst which is formed from at least one precious metal and at least one metal less precious according to the electrochemical series.Type: GrantFiled: February 20, 2005Date of Patent: January 31, 2023Assignee: BASF FUEL CELL GMBHInventors: Thomas Schmidt, Oemer Uensal, Mathias Weber, Isabel Kundler, Gordon Calundann, Jochen Baurmeister
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Publication number: 20220376268Abstract: The present invention relates to a membrane electrode unit comprising a polymer membrane doped with a mineral acid as well as two electrodes, characterized in that the polymer membrane comprises at least one polymer with at least one nitrogen atom and at least one electrode comprises a catalyst which is formed from at least one precious metal and at least one metal less precious according to the electrochemical series.Type: ApplicationFiled: July 18, 2022Publication date: November 24, 2022Inventors: Thomas SCHMIDT, Oemer UENSAL, Mathias WEBER, Isabel KUNDLER, Gordon CALUNDANN, Jochen BAURMEISTER
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Patent number: 9559367Abstract: The present invention relates to membrane electrode assemblies comprising two electrochemically active electrodes separated by a polymer electrolyte membrane, there being a polyimide layer on each of the two surfaces of the polymer electrolyte membrane that are in contact with the electrodes. The present membrane electrode assemblies may be used in particular for producing fuel cells which have a particularly high long-term stability.Type: GrantFiled: July 31, 2003Date of Patent: January 31, 2017Assignee: BASF Fuel Cell GmbHInventors: Jürgen Pawlik, Jochen Baurmeister, Christoph Padberg
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Publication number: 20150125779Abstract: The present invention relates to a method for the conditioning of membrane electrode assemblies for fuel cells in which the output of the membrane electrode assemblies used can be increased and therefore the efficiency of the resulting polymer electrolyte membrane fuel cells can be improved.Type: ApplicationFiled: December 12, 2014Publication date: May 7, 2015Inventors: OEMER UENSAL, Joachim Kiefer, Isabel Kundler, Mathias Weber, Christoph Padberg, Thomas Schmidt, Jochen Baurmeister, Gordon Calundann, Glen Hoppes
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Patent number: 9006300Abstract: A method for the production of a mechanically stabilized polyazole polymer membrane or film having the following steps: a) providing a membrane or film containing i.) a polyazole with at least one amino group in a repeating unit except the ones obtained by reacting aromatic and/or heteroaromatic diaminocarboxylic acids, ii.) at least one strong acid and iii.) at least one stabilizing reagent, the total content of stabilizing reagents in the membrane or film being within the range of from 0.01 to 30% by weight, b) performing the stabilization reaction in the membrane, immediately or in a subsequent processing step of the membrane, c) optionally doping the membrane obtained in accordance with step b) with a strong acid or concentrating the present strong acid by removal of present water, wherein the stabilizing reagent contains at least one oxazine-based compound and wherein the polyazole polymer has at least 1.8 dl/g intrinsic viscosity.Type: GrantFiled: November 12, 2010Date of Patent: April 14, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Oliver Gronwald, Jörg Belack, Jochen Baurmeister, Thomas Justus Schmidt, Seongwoo Choi, Jung Ock Park, Woo Sung Jeon, Jung Seok Yi
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Patent number: 8945736Abstract: The present invention relates to a method for the conditioning of membrane electrode assemblies for fuel cells in which the output of the membrane electrode assemblies used can be increased and therefore the efficiency of the resulting polymer electrolyte membrane fuel cells can be improved.Type: GrantFiled: October 24, 2012Date of Patent: February 3, 2015Assignee: BASF Fuel Cell GmbHInventors: Oemer Uensal, Joachim Kiefer, Isabel Kundler, Mathias Weber, Christoph Padberg, Thomas Schmidt, Jochen Baurmeister, Gordon Calundann, Glen Hoppes
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Patent number: 8716356Abstract: The present invention relates to novel polyazoles, a proton-conducting polymer membrane based on these polyazoles and its use as polymer electrolyte membrane (PEM) for producing membrane-electrode units for PEM-fuel cells, and also other shaped bodies comprising such polyazoles.Type: GrantFiled: September 14, 2012Date of Patent: May 6, 2014Assignee: BASF Fuel Cell GmbHInventors: Gordon Calundann, Brian Benicewicz, Jochen Baurmeister
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Publication number: 20130012607Abstract: The present invention relates to novel polyazoles, a proton-conducting polymer membrane based on these polyazoles and its use as polymer electrolyte membrane (PEM) for producing membrane-electrode units for PEM-fuel cells, and also other shaped bodies comprising such polyazoles.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: BASF Fuel Cell GmbHInventors: Gordon Calundann, Brian Benicewicz, Jochen Baurmeister
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Patent number: 8277983Abstract: The present invention relates to novel polyazoles, a proton-conducting polymer membrane based on these polyazoles and its use as polymer electrolyte membrane (PEM) for producing membrane-electrode units for PEM-fuel cells, and also other shaped bodies comprising such polyazoles.Type: GrantFiled: September 24, 2010Date of Patent: October 2, 2012Assignee: BASF Fuel Cell GmbHInventors: Gordon Calundann, Brian Benicewicz, Jochen Baurmeister
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Publication number: 20120231365Abstract: A method for the production of mechanically stabilized polyazole polymers, comprising the following steps: a) providing a membrane comprising i.) polyazoles with at least one amino group in a repeating unit except the ones obtainable by reacting aromatic and/or heteroaromatic diaminocarboxylic acids, ii.) at least one strong acid and iii.) at least one stabilizing reagent, the total content of stabilizing reagents in the membrane being within the range of from 0.01 to 30% by weight, b) performing the stabilization reaction in the membrane, immediately or in a subsequent processing step of the membrane, c) if appropriate, additionally doping the membrane obtained in accordance with step b) with a strong acid or concentrating the present strong acid further by removal of present water, wherein the stabilizing agent comprises at least one oxazine-based compound. The polyazole polymer membranes thus obtainable are in particular characterized by a high conductivity and a very good mechanical stability.Type: ApplicationFiled: November 12, 2010Publication date: September 13, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Oliver Gronwald, Jörg Belack, Jochen Baurmeister, Thomas Justus Schmidt, Seongwoo Choi, Jung Ock Park, Woo Sung Jeon, Jung Seok Yi
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Publication number: 20120225360Abstract: The present invention relates to a process for operating a fuel cell, especially for operating a fuel cell in which the electrolyte responsible for the proton conduction is volatile. By means of the process according to the invention, better operation of such a fuel cell is possible, and they exhibit an improved lifetime.Type: ApplicationFiled: July 9, 2010Publication date: September 6, 2012Applicant: BASF SEInventors: Jochen Baurmeister, Thomas Justus Schmidt
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Publication number: 20120189922Abstract: The present invention relates to a process for operating a fuel cell, especially for operating a fuel cell in which the electrolyte responsible for the proton conduction is volatile. By means of the process according to the invention, better operation of such a fuel cell is possible, and they exhibit an improved lifetime.Type: ApplicationFiled: July 9, 2010Publication date: July 26, 2012Inventors: Thomas Justus Schmidt, Jochen Baurmeister
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Publication number: 20120107712Abstract: The present invention relates to a process for operating a fuel cell, especially for operating a fuel cell in which the electrolyte responsible for the proton conduction is volatile. By means of the process according to the invention, better operation of such a fuel cell is possible, and they exhibit an improved lifetime.Type: ApplicationFiled: July 9, 2010Publication date: May 3, 2012Applicant: BASF SEInventors: Thomas Justus Schmidt, Jochen Baurmeister
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Patent number: 8168105Abstract: The present invention relates to an acid-doped polymer membrane based on polyazoles. The acid-doped polymer membrane can be used in a variety of applications because of its excellent mechanical properties and is useful as polymer electrolyte membrane (PEM) in PEM fuel cells. A doped polymer membrane based on polyazoles is obtained by a process comprising the steps of: A) casting a film using a solution of polymers based on polyazoles in a polar, aprotic organic solvent; B) drying the film formed in step A) until it is self-supporting; C) treating the film obtained in step B) with a treatment liquid at a temperature in the range from room temperature to the boiling point of the treatment liquid; D) drying and/or dabbing the film treated according to step C) to remove the treatment liquid from step C); and E) doping the film treated according to step D) with a doping agent.Type: GrantFiled: March 9, 2010Date of Patent: May 1, 2012Assignee: BASF Fuel Cell GmbHInventors: Oemer Uensal, Joachim Kiefer, Jochen Baurmeister, Jürgen Pawlik, Werner Kraus, Frauke Jordt
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Publication number: 20110014545Abstract: The present invention relates to novel polyazoles, a proton-conducting polymer membrane based on these polyazoles and its use as polymer electrolyte membrane (PEM) for producing membrane-electrode units for PEM-fuel cells, and also other shaped bodies comprising such polyazoles.Type: ApplicationFiled: September 24, 2010Publication date: January 20, 2011Inventors: Gordon Calundann, Brian Benicewicz, Jochen Baurmeister
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Patent number: 7834131Abstract: The present invention relates to an asymmetric polymer film, in particular based on polazoles, a method for the production of the same and its use. The polyazole-based asymmetric polymer film according to the invention has a smooth and a rough side and enables, on account of its asymmetric structure, rapid and homogeneous doping with acids to form a proton-conducting membrane. The polyazole-based asymmetric polymer film according to the invention can be used in diverse ways on account of its excellent chemical, thermal and mechanical properties and is particularly suitable for the production of polymer electrolyte membranes (PEM) for so-called PEM fuel cells.Type: GrantFiled: February 16, 2007Date of Patent: November 16, 2010Assignee: BASF Fuel Cell GmbHInventors: Joachim Petersen, Jochen Baurmeister, Oemer Uensal, Frauke Jordt, Joachim Kiefer
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Patent number: 7795372Abstract: The present invention relates to a novel polymer film and also polymer fibers and polymers based on polyazoles, which can, owing to its excellent chemical and thermal properties, be used for a variety of purposes and is particularly useful as film or membrane for gas purification and filtration.Type: GrantFiled: August 14, 2003Date of Patent: September 14, 2010Assignee: BASF Fuel Cell GmbHInventors: Joachim Kiefer, Gordon Calundann, Oemer Uensal, Jochen Baurmeister, Frauke Jordt
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Publication number: 20100164148Abstract: The present invention relates to an acid-doped polymer membrane based on polyazoles. The acid-doped polymer membrane can be used in a variety of applications because of its excellent mechanical properties and is useful as polymer electrolyte membrane (PEM) in PEM fuel cells. A doped polymer membrane based on polyazoles is obtained by a process comprising the steps of: A) casting a film using a solution of polymers based on polyazoles in a polar, aprotic organic solvent; B) drying the film formed in step A) until it is self-supporting; C) treating the film obtained in step B) with a treatment liquid at a temperature in the range from room temperature to the boiling point of the treatment liquid; D) drying and/or dabbing the film treated according to step C) to remove the treatment liquid from step C); and E) doping the film treated according to step D) with a doping agent.Type: ApplicationFiled: March 9, 2010Publication date: July 1, 2010Inventors: Oemer Uensal, Joachim Kiefer, Jochen Baurmeister, Jürgen Pawlik, Werner Kraus, Frauke Jordt
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Patent number: 7661542Abstract: The present invention relates to a proton-conducting polymer membrane which comprises polyazoles and is coated with a catalyst layer and is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, at least one polyazole (polymer A) and/or one or more compounds which are suitable for forming polyazoles under the action of heat according to step B), B) heating of the mixture obtainable according to step A) under inert gas to temperatures of up to 400° C., C) application of a layer using the mixture obtained according to step A) and/or B) to a support, D) treatment of the membrane formed in step C) until it is self-supporting, E) application of at least one catalyst-containing coating to the membrane formed in step C) and/or in step D).Type: GrantFiled: October 2, 2003Date of Patent: February 16, 2010Assignee: BASF Fuel Cell GmbHInventors: Jochen Baurmeister, Isabel Kundler, Christoph Padberg, Oemer Uensal, Joachim Kiefer, Gordon Calundann, Brian Benicewicz, Mathias Weber
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Patent number: 7485227Abstract: The present invention relates to polymer films and a polymer membrane having an improved mechanical property profile produced therefrom, to a process for producing them and to their use. The polymer films, polymer membranes and separation membranes of the invention are produced from selected polymer raw materials and have excellent chemical, thermal. and mechanical properties as are required for use as polymer electrolyte membranes (PEMs) in PEM fuel cells or in apparatuses for the filtration and/or separation of gases and/or liquids or for reverse osmosis.Type: GrantFiled: August 30, 2006Date of Patent: February 3, 2009Assignee: BASF Fuel Cell GmbHInventors: Joachim Kiefer, Oemer Uensal, Jochen Baurmeister, Frauke Jordt