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: 20120164491
    Abstract: The invention relates to a galvanic cell (1) comprising a substantially prismatic electrode stack (6), an electrolyte, and a housing. The housing is provided in order to at least partially enclose the electrode stack. The electrode stack is designed having multiple layers, and comprises at least one anode layer (2), a cathode layer (3), and a separator (4). The separator layer (4) is disposed at least partially between the anode layer (2) and the cathode layer (3). The separator layer (4) at least partially absorbs the electrolyte. The at least one anode layer (2), the at least one cathode layer (3), and the at least one separator layer (4) are provided in order to be releaseably connected to each other in at least one connecting area, particularly by means of at least one releasable connecting device.
    Type: Application
    Filed: February 10, 2010
    Publication date: June 28, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schaefer, Andreas Gutsch
  • Publication number: 20120164494
    Abstract: The invention relates to an electrode coil (3) having a substantially cylindrical shape, comprising at least: one anodic electrode (5), one cathodic electrode (6), and one separator (4) disposed at least partially between said electrodes (5, 6), characterized in that the separator (4) is produced from a material comprising at least one component made of a ceramic material.
    Type: Application
    Filed: May 25, 2010
    Publication date: June 28, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schaefer, Andreas Gutsch
  • Publication number: 20120164492
    Abstract: The present invention relates to an accumulator with extended durability. The invention is described in relation to a lithium-ion-accumulator for supplying a motor vehicle drive. However, it should be noted that the invention will also be applicable for batteries without lithium and/or independent from motor vehicles.
    Type: Application
    Filed: March 30, 2010
    Publication date: June 28, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Walter Lachenmeier, Andreas Gutsch, Tim Schaefer
  • Publication number: 20120164496
    Abstract: The invention relates to a battery receiving device comprising a battery receiving chamber and a wall at least partially enclosing the battery receiving chamber. The battery receiving device further comprises a closable first opening associated with the wall. The battery receiving device further comprises a battery holding device provided for holding at least one battery. The battery receiving device according to the invention is characterized in that the battery holding device thereof is configured such that the at least one battery is released under predetermined conditions.
    Type: Application
    Filed: February 2, 2010
    Publication date: June 28, 2012
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Walter Lachenmeier, Andreas Gutsch, Tim Schaefer
  • 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: 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: 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: 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: 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: 20110177385
    Abstract: A current collector (1) according to the invention has at least one substantially plate-like and preferably thin-walled core region (2). This core region contains at least one electrically conductive third material. The current collector also has a first surface region (3) comprising at least one first material. The current collector also has a second surface region (4) comprising at least one second material. In this case, the electrical conductivity of the first surface region is lower than that of the second surface region. Furthermore, this first surface region is bounded and/or spatially separated from this second surface region.
    Type: Application
    Filed: July 8, 2009
    Publication date: July 21, 2011
    Applicant: Li-Tec Battery GmbH
    Inventors: Jörg Kaiser, Claus-Rupert Hohenthanner, Günter Eichinger, Heike Schöne, Beatrice Schäfer, Mykola Polyakov, Tim Schäfer
  • 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