Patents by Inventor Guenter Semrau

Guenter Semrau 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).

  • Overcharge protection electrolyte additive for lithium ion batteries
    Patent number: 10153516
    Abstract: The present invention relates to an electrolyte composition for lithium ion batteries which improves overcharge protection. In particular the present invention relates to an electrolyte composition comprising (a) a compound of general formula (I) and (b) at least two compounds of general formula (II) which are different from each other formula (II) with the definitions given in the description.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: December 11, 2018
    Assignee: Gotion Inc.
    Inventors: Rene Schmitz, Arnd Garsuch, Frederick Francois Chesneau, Michael Schmidt, Takeru Yamamoto, Guenter Semrau
  • Sulfur-containing additives for electrochemical or optoelectronic devices
    Patent number: 9748605
    Abstract: The invention relates to sulfur-containing compounds of the formula I, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: August 29, 2017
    Assignee: BASF SE
    Inventors: Michael Schmidt, Nikolai Ignatyev, Guenter Semrau, Walter Frank, Peter Barthen, Christoph Breitenstein
  • OVERCHARGE PROTECTION ELECTROLYTE ADDITIVE FOR LITHIUM ION BATTERIES
    Publication number: 20170179527
    Abstract: The present invention relates to an electrolyte composition for lithium ion batteries which improves overcharge protection. In particular the present invention relates to an electrolyte composition comprising (a) a compound of general formula (I) and (b) at least two compounds of general formula (II) which are different from each other formula (II) with the definitions given in the description.
    Type: Application
    Filed: March 26, 2015
    Publication date: June 22, 2017
    Applicant: BASF SE
    Inventors: Rene SCHMITZ, Arnd GARSUCH, Frederick Francois CHESNEAU, Michael SCHMIDT, Takeru YAMAMOTO, Guenter SEMRAU
  • Electrolyte system
    Patent number: 8920669
    Abstract: The present invention relates to electrolyte systems and electrochemical cells comprising conductive salts having different anionic and/or cationic radii.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: December 30, 2014
    Assignee: Merck Patent GmbH
    Inventors: Michael Schmidt, Guenter Semrau
  • SULFUR-CONTAINING ADDITIVES FOR ELECTROCHEMICAL OR OPTOELECTRONIC DEVICES
    Publication number: 20140193707
    Abstract: The invention relates to sulfur-containing compounds of the formula I, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.
    Type: Application
    Filed: August 22, 2012
    Publication date: July 10, 2014
    Applicant: BASF SE
    Inventors: Michael Schmidt, Nikolai Ignatyev, Guenter Semrau, Walter Frank, Peter Barthen, Christoph Breitenstein
  • ELECTROLYTE SYSTEM
    Publication number: 20120127631
    Abstract: The present invention relates to electrolyte systems and electrochemical cells comprising conductive salts having different anionic and/or cationic radii.
    Type: Application
    Filed: July 6, 2010
    Publication date: May 24, 2012
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Michael Schmidt, Guenter Semrau