Patents by Inventor Tim Schaefer

Tim Schaefer 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).

  • Publication number: 20120156542
    Abstract: The invention relates to a battery cell (1) particularly of a prismatic or cylindrical design, comprising at least two electrode stacks (2), at least one current conductor connected to an electrode stack (2), a jacket (4) that at least partially encloses the electrode stack (2), at least one current conductor (3) extending partially out of the jacket (4), characterized in that a heat conducting plate (5) is arranged between two electrode stacks (2).
    Type: Application
    Filed: January 19, 2010
    Publication date: June 21, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schaefer, Andreas Gutsch
  • Publication number: 20120158229
    Abstract: The invention relates to a method for operating a vehicle which comprises an electric travel drive and at least one rechargeable and replaceable electric power unit, the electric travel drive being supplied with electric drive energy by the electric power unit and the electric power unit being recharged or replaced when its charge status is low.
    Type: Application
    Filed: March 31, 2010
    Publication date: June 21, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventor: Tim Schaefer
  • Publication number: 20120156544
    Abstract: The invention relates to a contacting element (1) for electrically connecting a contact connection (18) of an electric cell, in particular a battery cell (22), comprising at least one deformation section (2) and at least two clamping edges (9) which are each supported at opposing end sections (4) of the at least one deformation section (2).
    Type: Application
    Filed: February 11, 2010
    Publication date: June 21, 2012
    Applicant: Li-Tec Battery GmbH
    Inventors: Tim Schaefer, Andreas Gutsch, Walter Lachenmeier
  • Publication number: 20120153874
    Abstract: To supply energy to motorised vehicles, a heat engine (SM) is provided to convert heat (106, 107, 108, 114) that accumulates in the vehicle at least partly into kinetic energy of the vehicle and to feed other portions of said lost heat to a heat accumulator (LWS). An optional, mechanical energy accumulator (MES) can take up kinetic energy from a vehicle motor (MGH), store said energy and deliver said energy back to a vehicle motor (MGM when required.
    Type: Application
    Filed: February 4, 2010
    Publication date: June 21, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Walter Lachenmeier, Tim Schaefer, Andreas Gutsch
  • Publication number: 20120148880
    Abstract: The task at hand is achieved by a method for operating a battery having at least one galvanic cell. The at least one galvanic cell is subjected at least temporally to an examination, particularly at a predetermined operating state of the battery or the galvanic cell.
    Type: Application
    Filed: April 20, 2010
    Publication date: June 14, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schaefer, Andreas Gutsch, Claus-Rupert Hohenthanner
  • Publication number: 20120148899
    Abstract: Electrochemical cell comprising a positive and a negative elecrode and a layer of an inorganic substance arranged between the electrodes, characterized in that the layer is coated with a polyetherimide on one or both sides.
    Type: Application
    Filed: April 29, 2010
    Publication date: June 14, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Andreas Gutsch, Tim Schaefer
  • Publication number: 20120148885
    Abstract: A protective unit for galvanic cells, which are interconnected into a battery by way of contact elements that are connected in a suitable manner to pole connections of said cells, can be associated with individual cells of a battery. The protective unit comprises an activation unit (1008, 1108, 1208, 1011, 1111) for the activation thereof. When the protective unit is activated, said protective unit bypasses the associated cell by changing the interconnection and thus takes it electrically out of the battery assembly.
    Type: Application
    Filed: January 11, 2010
    Publication date: June 14, 2012
    Inventors: Jens Meintschel, Tim Schaefer
  • Publication number: 20120141843
    Abstract: An electrochemical energy accumulator apparatus according to the invention has at least one galvanic cell. Furthermore, the electrochemical energy accumulator apparatus has at least one diverting device which is assigned to the at least one galvanic cell, and at least one connecting device which is assigned to the at least one diverting device. The electrochemical energy accumulator apparatus is characterized in that the at least one connecting device is assigned at least one heat exchanger device, wherein the at least one heat exchanger device is designed to exchange thermal energy with the at least one connecting device.
    Type: Application
    Filed: February 12, 2010
    Publication date: June 7, 2012
    Applicant: LI-TEC BATTERY GmbH
    Inventors: Andreas Gutsch, Tim Schaefer
  • Publication number: 20120141862
    Abstract: The invention relates to a galvanic cell (1, 10) which comprises an electrode stack (5). Said stack comprises at least one especially flat anode electrode (2), at least one especially flat cathode electrode (3), and at least one especially flat separator (4) which is interposed between said electrodes (3, 4). The invention is characterized in that the outer contour of the separator (4) has at least one cut-out section (42a, 42b) which is offset inwards with respect to said outer contour.
    Type: Application
    Filed: March 31, 2010
    Publication date: June 7, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schaefer, Christian Junker
  • Publication number: 20120133334
    Abstract: The invention relates to a method for charging at least one motor vehicle battery (3) during the operation of the motor vehicle (1). According to the invention, the charging current for the motor vehicle battery (3) is obtained at least partially by converting mechanical power on the vehicle suspension (5a, 5b). The invention further relates to a charging apparatus for a motor vehicle battery (3) and to a motor vehicle (1) comprising such a charging apparatus.
    Type: Application
    Filed: December 4, 2009
    Publication date: May 31, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Walter Lachenmeier, Andreas Gutsch, Tim Schaefer
  • Publication number: 20120129020
    Abstract: The invention relates to a battery system comprising at least one battery. According to the invention, provisions are made that said battery system comprises at least one Peltier element, which is used for cooling and/or for heating at least one battery.
    Type: Application
    Filed: January 19, 2010
    Publication date: May 24, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Walter Lachenmeier, Andreas Gutsch, Tim Schaefer
  • Publication number: 20120129037
    Abstract: The electric energy storage cell according to the invention is provided with: an active part, which is designed and adapted to store electric energy supplied externally and to release stored electric energy to the exterior; a casing consisting of a film material, which surrounds the active part in a gas- and liquid-tight manner; and at least two current collectors that are connected to the active part and are designed and adapted to supply electric current externally to the active part and to release electric current from the active part to the exterior. According to the invention, the part that is surrounded by the casing follows the contours of a prismatic structure with a substantially parallelepipedal form, said structure extending to a substantially lesser extent in a first spatial direction than in the other two remaining spatial directions and substantially defining two opposing, parallel flat faces and four narrow faces that connect the two flat faces.
    Type: Application
    Filed: January 26, 2010
    Publication date: May 24, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Claus-Rupert Hohenthanner, Tim Schaefer, Joerg Kaiser
  • Patent number: 7993771
    Abstract: An accumulator comprises at least one galvanic cell and a receiving device for supporting the galvanic cell(s) of the accumulator. The receiving device comprises at least one protecting wall for receiving energy by means of elastic and/or plastic deformation. The protecting wall encases the at least one galvanic cell at least partially and has a thickness which is at least partially less than about 1/10 of the characteristic edge length of the at least one galvanic cell.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: August 9, 2011
    Assignee: Li-Tec Battery GmbH
    Inventors: Andreas Gutsch, Holger Mikus, Joerg Kaiser, Claus-Rupert Hohenthanner, Tim Schaefer
  • Publication number: 20110125433
    Abstract: Control apparatus for operating a rechargeable energy storage device and for collecting operating data, as well as a method for operating such a control apparatus. The invention is described with reference to the use in a motor vehicle and to the control of the rechargeable energy storage device thereof for the supply of the electric drive of the motor vehicle. However, it should be noted that an apparatus having the features of the claims can operate rechargeable energy storage devices also independently of motor vehicles, or in stationary use.
    Type: Application
    Filed: February 18, 2009
    Publication date: May 26, 2011
    Inventors: Tim Schaefer, Thomas Timke, Andreas Fuchs
  • Publication number: 20110104536
    Abstract: An energy storage unit, such as a galvanic cell, is composed of a first electrode (10), a second electrode (18) and a separation element (24), which is arranged between the first and the second electrode. Therein, the first and the second electrode (10, 18), respectively, comprise an electrode collector (12, 20) and an active electrode material (14, 22), which is applied onto the respective electrode collector on one side or on both sides. In order to improve the longterm stability, in particular for large format lithium-ion cells, the electrode collector (12, 20) of the first and/or the second electrode (10, 18) is made of a copper material, which is technical-grade oxygen-free having at least approximately 99.9% by weight copper and a specific phosphorous content.
    Type: Application
    Filed: November 26, 2008
    Publication date: May 5, 2011
    Inventors: Tim Schaefer, Andreas Gutsch
  • Publication number: 20110059353
    Abstract: An accumulator comprises at least one galvanic cell and a receiving device for supporting the galvanic cell(s) of the accumulator. The receiving device comprises at least one protecting wall for receiving energy by means of elastic and/or plastic deformation. The protecting wall encases the at least one galvanic cell at least partially and has a thickness which is at least partially less than about 1/10 of the characteristic edge length of the at least one galvanic cell. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: July 19, 2010
    Publication date: March 10, 2011
    Applicant: Li-Tec Battery GmbH
    Inventors: Andreas GUTSCH, Holger MIKUS, Joerg KAISER, Claus-Rupert HOHENTHANNER, Tim SCHAEFER
  • Publication number: 20110052946
    Abstract: The present invention relates to a device for the controlled transfer of electric mechanisms operating according to galvanic principles from a first operating state into at least a second operating state, in which the functionality and in particular the reaction potential of the electric mechanism operating according to galvanic principles is reduced or completely eliminated.
    Type: Application
    Filed: January 20, 2009
    Publication date: March 3, 2011
    Inventors: Tim Schaefer, Andreas Gutsch
  • Publication number: 20100129705
    Abstract: An accumulator comprises at least one galvanic cell and a receiving device for supporting the galvanic cell(s) of the accumulator. The receiving device comprises at least one protecting wall for receiving energy by means of elastic and/or plastic deformation. The protecting wall encases the at least one galvanic cell at least partially and has a thickness which is at least partially less than about 1/10 of the characteristic edge length of the at least one galvanic cell. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: September 16, 2009
    Publication date: May 27, 2010
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Andreas GUTSCH, Holger MIKUS, Joerg KAISER, Martin SCHNEIDER, Guenter EICHINGER, Tim SCHAEFER
  • Publication number: 20100124700
    Abstract: A negative electrode for an electrochemical device comprises an active layer which forms a porous outer surface, the outer surface of the active layer being at least partially coated with nanoparticles, and/or an active layer which is at least partially covered by a porous functional layer at least an outer surface whereof is at least partially covered with nanoparticles. Also disclosed is a separator composite material for separating electrodes in an electrochemical device, comprising an essentially self-supporting support layer and a porous functional layer on at least one side of the support layer. An outer surface of the support layer is at least partially coated with nanoparticles on at least one side thereof. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: September 9, 2009
    Publication date: May 20, 2010
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim SCHAEFER, Andreas GUTSCH
  • Publication number: 20100109611
    Abstract: A facility which operates according to galvanic principles, such as in particular a lithium-ion accumulator, and a method for monitoring and controlling an electric operating condition of the facility. The facility comprises at least one galvanic cell and an operating management system for monitoring and controlling the electric operating condition of the facility and for monitoring a representative temperature of the facility. The operating management system is designed to control the electric operating condition of the facility as a function of the temperature. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: September 9, 2009
    Publication date: May 6, 2010
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim SCHAEFER, Andreas GUTSCH