Patents by Inventor Ingo KERKAMM
Ingo KERKAMM 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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Publication number: 20230253589Abstract: The invention relates to a method for operating a fuel cell system, wherein the fuel cell system is controlled in accordance with a system-specific digital twin (14) that represents the fuel cell system. According to the invention, the digital twin (14) controls the fuel cell system in at least two different active operating states (16, 18) of the fuel cell system.Type: ApplicationFiled: June 15, 2021Publication date: August 10, 2023Inventors: Ingo Kerkamm, Sebastian Schmaderer, Maxime Carre, Sebastian Egger
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Patent number: 11271251Abstract: A lithium battery cell having one or more protective layers between the anode current collector and a solid state separator. The protective layers prevent dendrite propagation through the battery cell and improve coulombic efficiency by reducing deleterious side reactions.Type: GrantFiled: June 7, 2018Date of Patent: March 8, 2022Assignee: Robert Bosch GmbHInventors: Ram Subbaraman, Sondra Hellstrom, Abdul-Kader Srouji, Ingo Kerkamm, John F. Christensen
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Patent number: 10923710Abstract: The present invention relates to an electrode material for an electrochemical energy accumulator, in particular for a lithium-ion cell, comprising particles (10, 10?, 10?) of an active material (12) which can be lithiated, wherein the particles (10, 10?, 10?) are partially coated with a lithium-ion-conducting solid electrolyte (14), the solid electrolyte layer (14) having recesses (16).Type: GrantFiled: July 14, 2017Date of Patent: February 16, 2021Assignee: Robert Bosch GmbHInventors: Bernd Schumann, Christine Engel, Ingo Kerkamm, Olga Heckel
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Publication number: 20200266479Abstract: A lithium solid-state battery. The battery includes a lithium anode, a cathode, and a first separator layer electrically separating the lithium anode from the cathode. The first separator layer includes a sulfidic solid-state electrolyte. The battery also includes a second separator layer electrically separating the lithium anode from the cathode. The second separator layer is between the first separator layer and the lithium anode, and includes a sulfidic solid-state electrolyte. The first separator layer is between the cathode and the second separator layer and has a greater layer thickness than the second separator layer. The first separator layer has a layer thickness at least twice that of the second separator layer. The first separator layer preferably has a layer thickness at least ten times that of the second separator layer. The porosity of the second separator layer is in a range of approximately 0% to approximately 4%.Type: ApplicationFiled: October 10, 2018Publication date: August 20, 2020Inventors: Thomas Hupfer, Ingo Kerkamm, Lothar Kunz
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Publication number: 20200185702Abstract: The present invention relates to an electrode material for an electrochemical energy accumulator, in particular for a lithium-ion cell, comprising particles (10, 10?, 10?) of an active material (12) which can be lithiated, wherein the particles (10, 10?, 10?) are partially coated with a lithium-ion-conducting solid electrolyte (14), the solid electrolyte layer (14) having recesses (16).Type: ApplicationFiled: July 14, 2017Publication date: June 11, 2020Inventors: Bernd Schumann, Christine Engel, Ingo Kerkamm, Olga Heckel
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Patent number: 10535894Abstract: A galvanic element includes the following elements in the order listed: a current collector associated with an anode; the anode; an ion-conducting separator in the form of a continuous layer; a cathode; and a current collector associated with the cathode. The anode encompasses an ion-conducting support structure, and both the ion-conducting support structure and the separator encompasses an ion-conducting material. The ion-conducing support structure is porous.Type: GrantFiled: April 7, 2015Date of Patent: January 14, 2020Assignee: Robert Bosch GmbHInventors: Christine Engel, Michael Butzin, Ingo Kerkamm
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Patent number: 10411248Abstract: An electrode, in particular, a cathode, for an electrochemical energy store, in particular, for a lithium cell, including particles having one first lithiatable active material, which is based on a transition metal oxide, wherein the particles or a base body including the particles is/are provided with at least one functional layer, which is lithium ion-conductive and includes at least one redox-active element. An energy store including such an electrode, and a method for manufacturing such an electrode, are also described.Type: GrantFiled: March 12, 2015Date of Patent: September 10, 2019Assignee: Robert Bosch GmbHInventors: Anika Marusczyk, Bernd Schumann, Ingo Kerkamm, Malte Rolff, Thomas Eckl
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Patent number: 10347873Abstract: An arrangement includes a housing and multiple galvanic elements stacked in the housing, the galvanic elements having a layer sequence which includes a current collector associated with the anode, an anode, a separator, a cathode, and a current collector associated with the cathode. In each case a seal covers the edge of the layer sequence of a galvanic element in order to electrically insulate and seal same in a gas-tight manner, and the outer surface of the current collector associated with the anode and the outer surface of the current collector associated with the cathode remain at least partly free, so that the current collector, associated with the cathode, of a galvanic element electrically contacts the current collector, associated with the anode, of a galvanic element adjacently situated in the housing.Type: GrantFiled: April 7, 2015Date of Patent: July 9, 2019Assignee: ROBERT BOSCH GMBHInventors: Bernd Schumann, Ingo Kerkamm
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Patent number: 10283767Abstract: A method is described for producing silicon particles, in particular for an anode material of a lithium cell. In order to improve the cycle stability of lithium cells and to minimize losses in capacitance, in particular, microorganisms are dispersed in at least one solvent in a method step a), the solvent including at least one silicon compound. In a method step b), the at least one solvent is then removed, and a residue remains. In method step c), the residue is then heated under a reducing atmosphere. In addition, the invention relates to corresponding silicon particles, and to a corresponding anode material including silicon particles, and to a lithium cell provided with such.Type: GrantFiled: May 4, 2015Date of Patent: May 7, 2019Assignee: ROBERT BOSCH GMBHInventors: Andre Moc, Imke Heeren, Ingo Kerkamm, Pallavi Verma
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Publication number: 20180358659Abstract: A lithium battery cell having one or more protective layers between the anode current collector and a solid state separator. The protective layers prevent dendrite propagation through the battery cell and improve coulombic efficiency by reducing deleterious side reactions.Type: ApplicationFiled: June 7, 2018Publication date: December 13, 2018Inventors: Ram Subbaraman, Sondra Hellstrom, Abdul-Kader Srouji, Ingo Kerkamm, John F. Christensen
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Publication number: 20180175367Abstract: An electrode, in particular, a cathode, for an electrochemical energy store, in particular, for a lithium cell, including particles having one first lithiatable active material, which is based on a transition metal oxide, wherein the particles or a base body including the particles is/are provided with at least one functional layer, which is lithium ion-conductive and includes at least one redox-active element. An energy store including such an electrode, and a method for manufacturing such an electrode, are also described.Type: ApplicationFiled: March 12, 2015Publication date: June 21, 2018Inventors: Anika MARUSCZYK, Bernd SCHUMANN, Ingo KERKAMM, Malte ROLFF, Thomas ECKL
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Publication number: 20180034033Abstract: The invention relates to a method for producing a solid cell, in particular a lithium-ion solid cell, having at least one cell layer (1) with a first conductor layer (2) and a second conductor layer (3) and at least one partition layer, wherein the first conductor layer (2) and the second conductor layer (3) are each electrically connected to a current discharge conductor (4, 5) and/or in each case one current discharge conductor (4, 5) is formed from the first conductor layer (2) and/or the second conductor layer (3). According to the invention, it is provided that the cell layer (1) has a plane of symmetry (SE) with an axis of symmetry (AA), wherein the plane of symmetry (SE) is constructed symmetrically in relation to the axis of symmetry (AA), and in that the current discharge conductors (4, 5) are arranged symmetrically in relation to the axis of symmetry (AA) and are routed out of the cell layer (1) on at least one side by means of the plane of symmetry (SE).Type: ApplicationFiled: January 18, 2016Publication date: February 1, 2018Applicant: Robert Bosch GmbHInventors: Reiner Ramsayer, Ingo Kerkamm, Markus Kohlberger
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Patent number: 9856842Abstract: A fuel injection device includes a nozzle needle, an actuator for actuating the nozzle needle, a force sensor for detecting a force applied by the actuator, and a control unit which is connected to the force sensor. The force sensor supplies signals to the control unit and the control unit is designed for determining a position of the nozzle needle and for precisely determining an injected fuel quantity, based on the supplied signal.Type: GrantFiled: October 13, 2010Date of Patent: January 2, 2018Assignee: ROBERT BOSCH GMBHInventors: Gernot Wuerfel, Ingo Pietsch, Ingo Kerkamm, Andreas Jakobi
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Patent number: 9819011Abstract: An electrode material for an electrochemical energy store, in particular for a lithium cell, includes at least one first lithiatable active material, which is based on a transition metal oxide, and at least one second lithiatable active material, which is based on a doped transition metal oxide, the doped transition metal oxide of the second lithiatable active material being doped with at least one redox-active element. Also described is a method for manufacturing an electrode of this type.Type: GrantFiled: December 15, 2014Date of Patent: November 14, 2017Assignee: ROBERT BOSCH GMBHInventors: Thomas Eckl, Anika Marusczyk, Malte Rolff, Ingo Kerkamm
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Patent number: 9705129Abstract: The subject matter of the present is a method for manufacturing an electrode for an electrochemical energy reservoir, in particular for a lithium-ion battery, encompassing the method steps of: a) furnishing a mixture of initial substances for formation of a lithium titanate; b) calcining the mixture of initial substances for formation of a lithium titanate; c) adding to the mixture of initial substances for formation of a lithium titanate, before and/or after calcination, a component encompassing sulfur and optionally lithium; and/or d) adding a pore former, before and/or after calcination, to the mixture of initial substances for formation of a lithium titanate; e) sintering the calcined product; and f) optionally removing the pore former from the calcined and optionally sintered product. Electrodes having a particularly defined pore structure can be generated with a method of this kind, thereby making possible particularly good capacity that is stable over the long term.Type: GrantFiled: April 24, 2013Date of Patent: July 11, 2017Assignee: Robert Bosch GmbHInventors: Martin Tenzer, Jens Grimminger, Bernd Schumann, Ulrich Eisele, Constanze Sorhage, Ingo Kerkamm
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Publication number: 20170194642Abstract: A method is described for producing silicon particles, in particular for an anode material of a lithium cell. In order to improve the cycle stability of lithium cells and to minimize losses in capacitance, in particular, microorganisms are dispersed in at least one solvent in a method step a), the solvent including at least one silicon compound. In a method step b), the at least one solvent is then removed, and a residue remains. In method step c), the residue is then heated under a reducing atmosphere. In addition, the invention relates to corresponding silicon particles, and to a corresponding anode material including silicon particles, and to a lithium cell provided with such.Type: ApplicationFiled: May 4, 2015Publication date: July 6, 2017Inventors: Andre MOC, Imke HEEREN, Ingo KERKAMM, Pallavi VERMA
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Publication number: 20170117509Abstract: An arrangement includes a housing and multiple galvanic elements stacked in the housing, the galvanic elements having a layer sequence which includes a current collector associated with the anode, an anode, a separator, a cathode, and a current collector associated with the cathode. In each case a seal covers the edge of the layer sequence of a galvanic element in order to electrically insulate and seal same in a gas-tight manner, and the outer surface of the current collector associated with the anode and the outer surface of the current collector associated with the cathode remain at least partly free, so that the current collector, associated with the cathode, of a galvanic element electrically contacts the current collector, associated with the anode, of a galvanic element adjacently situated in the housing.Type: ApplicationFiled: April 7, 2015Publication date: April 27, 2017Inventors: Bernd SCHUMANN, Ingo KERKAMM
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Publication number: 20170054139Abstract: A method for producing a galvanic element that includes the following steps: a) production of a layer sequence including, in this order, a current conductor assigned to an anode, an ion-conducting and electrically insulating separator, a cathode having lithium-containing cathode material, and a current conductor assigned to the cathode, and b) charging of the galvanic element, an anode including metallic lithium forming between the current conductor assigned to the anode and the separator during charging of the galvanic element. In addition, a battery cell including such a galvanic element, and a battery including a plurality of such battery cells, are also described.Type: ApplicationFiled: April 8, 2015Publication date: February 23, 2017Inventor: Ingo Kerkamm
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Patent number: 9559286Abstract: A positioning device includes a positioning element that is situated movably in a first direction and a second direction, the first and the second directions being opposed to one another, and a first piezoelectric actuator and a second piezoelectric actuator, the first piezoelectric actuator moving the positioning element in the first direction and the second piezoelectric actuator moving the positioning element in the second direction.Type: GrantFiled: October 25, 2011Date of Patent: January 31, 2017Assignee: Robert Bosch GmbHInventors: Gernot Wuerfel, Ingo Pietsch, Ingo Kerkamm, Thomas Sebastian, Andreas Jakobi
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Publication number: 20150295274Abstract: A galvanic element includes the following elements in the order listed: a current collector associated with an anode; the anode; an ion-conducting separator in the form of a continuous layer; a cathode; and a current collector associated with the cathode. The anode encompasses an ion-conducting support structure, and both the ion-conducting support structure and the separator encompasses an ion-conducting material. The ion-conducing support structure is porous.Type: ApplicationFiled: April 7, 2015Publication date: October 15, 2015Inventors: Christine Engel, Michael Butzin, Ingo Kerkamm