Patents by Inventor RUEDIGER-BERND SCHWEISS

RUEDIGER-BERND SCHWEISS 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).

  • ELECTRODE MATERIAL
    Publication number: 20230395279
    Abstract: A method for producing an electrode material for gas diffusion layers, to the electrode material thereby produced and to its use.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 7, 2023
    Applicant: SGL CARBON SE
    Inventors: Rüdiger-Bernd SCHWEISS, Christian MEISER, Dana CAZIMIR
  • Method of producing an electrode substrate made of carbon fibers
    Patent number: 10629893
    Abstract: A porous electrode substrate has a form of a tape material and contains a structure made of carbon fibers and a carbon matrix. A specific surface area, porosity, and pore distribution are determined by the carbon matrix. The carbon matrix contains carbon particles including activated carbon with a high specific surface area and a carbonized or graphitized residue of a carbonizable or graphitizable binder.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 21, 2020
    Assignee: SGL Carbon SE
    Inventor: Ruediger-Bernd Schweiss
  • Membrane electrode assembly
    Patent number: 10431837
    Abstract: Membrane electrode assembly for PEM fuel cells, including a proton exchange membrane, two catalyst layers (anode and cathode catalyst layer), and two gas diffusion layers, the anodic one of which is based on a carbon fiber paper and is provided with a microporous layer including graphite, carbon nanotubes or carbon nanofibers, and PTFE, whereas the cathodic gas diffusion layer is based on a carbon fiber structure and is provided with a microporous layer based on carbon black, carbon nanotubes and/or carbon nanofibers, and PTFE.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: October 1, 2019
    Assignee: SGL CARBON SE
    Inventor: Rüdiger-Bernd Schweiss
  • Method for producing coated active materials, core, battery and method for producing batteries using the materials
    Patent number: 10388949
    Abstract: A method for producing coated active materials includes aqueously coating surfaces of the active materials and subsequently carbonizing the coated particles. A core, a battery and a method for using the materials for batteries are also provided.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 20, 2019
    Assignee: SGL Carbon SE
    Inventors: Ruediger-Bernd Schweiss, Lea Schumann, Christian Hammer
  • METHOD OF PRODUCING AN ELECTRODE SUBSTRATE MADE OF CARBON FIBERS
    Publication number: 20180301692
    Abstract: A porous electrode substrate has a form of a tape material and contains a structure made of carbon fibers and a carbon matrix. A specific surface area, porosity, and pore distribution are determined by the carbon matrix. The carbon matrix contains carbon particles including activated carbon with a high specific surface area and a carbonized or graphitized residue of a carbonizable or graphitizable binder.
    Type: Application
    Filed: June 26, 2018
    Publication date: October 18, 2018
    Inventor: RUEDIGER-BERND SCHWEISS
  • Electrode substrate made of carbon fibers and method of producing the electrode substrate
    Patent number: 10038181
    Abstract: A porous electrode substrate has a form of a tape material and contains a structure made of carbon fibers and a carbon matrix. A specific surface area, porosity, and pore distribution are determined by the carbon matrix. The carbon matrix contains carbon particles including activated carbon with a high specific surface area and a carbonized or graphitized residue of a carbonizable or graphitizable binder.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: July 31, 2018
    Assignee: SGL Carbon SE
    Inventor: Ruediger-Bernd Schweiss
  • PROCESS FOR THE PREPARATION OF CARBON FELT ELECTRODES FOR REDOX FLOW BATTERIES AND PROCESS FOR PRODUCING REDOX FLOW BATTERIES
    Publication number: 20180127895
    Abstract: A process prepares metal-doped felt fabric made from carbon fibers. A textile structure of pre-oxidized polyacrylonitrile fibers is carbonized at temperatures of up to 1500° C. and wherein polyacrylonitrile and/or oxidized polyacrylonitrile as precursor fibers are functionalized with a metal precursor.
    Type: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Inventors: RUEDIGER-BERND SCHWEISS, CHRISTIAN MEISER
  • MEMBRANE ELECTRODE ASSEMBLY
    Publication number: 20170222241
    Abstract: Membrane electrode assembly for PEM fuel cells, including a proton exchange membrane, two catalyst layers (anode and cathode catalyst layer), and two gas diffusion layers, the anodic one of which is based on a carbon fiber paper and is provided with a microporous layer including graphite, carbon nanotubes or carbon nanofibers, and PTFE, whereas the cathodic gas diffusion layer is based on a carbon fiber structure and is provided with a microporous layer based on carbon black, carbon nanotubes and/or carbon nanofibers, and PTFE.
    Type: Application
    Filed: July 2, 2015
    Publication date: August 3, 2017
    Applicant: SGL CARBON SE
    Inventor: Rüdiger-Bernd SCHWEISS
  • ELECTRODE SUBSTRATE MADE OF CARBON FIBERS AND METHOD OF PRODUCING THE ELECTRODE SUBSTRATE
    Publication number: 20160190547
    Abstract: A porous electrode substrate has a form of a tape material and contains a structure made of carbon fibers and a carbon matrix. A specific surface area, porosity, and pore distribution are determined by the carbon matrix. The carbon matrix contains carbon particles including activated carbon with a high specific surface area and a carbonized or graphitized residue of a carbonizable or graphitizable binder.
    Type: Application
    Filed: March 7, 2016
    Publication date: June 30, 2016
    Inventor: RUEDIGER-BERND SCHWEISS
  • Gas diffusion layer
    Patent number: 8372557
    Abstract: A carbon-fiber-based gas diffusion layer (GDL) for use in polymer electrolyte membrane (PEM) fuel cells (FC) having structured hydrophilic properties, wherein materials with hydrophilic properties and selected from the group of metal oxides in an average domain size of 0.5 to 80 ?m are present as hydrophilic wicks in the gas diffusion layer.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: February 12, 2013
    Assignee: SGL Carbon SE
    Inventors: Peter Wilde, Rüdiger-Bernd Schweiss
  • GAS DIFFUSION LAYER
    Publication number: 20110151352
    Abstract: A carbon-fiber-based gas diffusion layer (GDL) for use in polymer electrolyte membrane (PEM) fuel cells (FC) having structured hydrophilic properties, wherein materials with hydrophilic properties and selected from the group of metal oxides in an average domain size of 0.5 to 80 ?m are present as hydrophilic wicks in the gas diffusion layer.
    Type: Application
    Filed: December 20, 2010
    Publication date: June 23, 2011
    Inventors: Peter Wilde, Rüdiger-Bernd Schweiss