Patents by Inventor James R. Salvador

James R. Salvador 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: 20190372155
    Abstract: A method of fabricating a composite electrode for use in an electrochemical cell includes preparing a layer of powder including a plurality of electroactive material particles and a plurality of electrolyte particles. The electrolyte particles include a sulfide or oxy-sulfide glass. The method further includes heating the layer of powder to a temperature of greater than or equal to Tg and less than Tc. Tg is a glass transition temperature of the sulfide or oxy-sulfide glass. Tc is a crystallization temperature of the sulfide or oxy-sulfide glass. The method further includes, while the sulfide or oxy-sulfide glass electrolyte is at the temperature, applying a pressure of about 0.1-360 MPa to the layer of powder. The pressure causes the sulfide or oxy-sulfide glass to flow around the electroactive material particles to create a compact. The present disclosure also provides methods of creating laminates including the composite electrodes.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 5, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. YERSAK, James R. SALVADOR, Robert D. SCHMIDT
  • Publication number: 20190372164
    Abstract: An electrolyte system for an electrochemical cell includes an aprotic solvent, such as an ether-based solvent and a lithium salt, and a solid component. The aprotic solvent has a dielectric constant of ?3. The solid component is in direct communication with the aprotic solvent. The solid component includes a sulfide or oxy-sulfide, glass or glass-ceramic electrolyte. The sulfide or oxy-sulfide, glass or glass-ceramic electrolyte has a weighted average bond dissociation enthalpy of greater than or equal to about 380 kJ/mol, which corresponds to a glass having strong bonds. The sulfide or oxy-sulfide, glass or glass-ceramic electrolyte is therefore insoluble in the aprotic solvent. The solid component is lithium ion-conducting and electrically insulating. The electrolyte system may be disposed between a positive electrode and a negative electrode in an electrochemical cell. In various aspects, the negative electrode includes lithium metal and the positive electrode includes sulfur.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 5, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. SALVADOR, Thomas A. YERSAK
  • Publication number: 20190352748
    Abstract: Provided is a method of manufacturing a crystalline aluminum-iron-silicon alloy, and optionally an automotive component comprising the same, comprising forming a composite ingot including a plurality of crystalline phases by melting aluminum, iron, and silicon raw materials in an inert environment to form a substantially homogenous melt, subsequently solidifying the melt, and annealing the ingot under vacuum by heating at a temperature in the range of 850° C. to 1000° C. yield an annealed crystalline ingot wherein the predominant crystalline phase is FCC Al3Fe2Si. The raw materials can further include one or more additives such as zinc, zirconium, tin, and chromium. Melting can occur above the FCC Al3Fe2Si crystalline phase melting point, or at a temperature of about 1100° C. to about 1400° C. Annealing can occur under vacuum conditions.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Inventors: Zhongyi Liu, Tengjiao Qi, James R. Salvador, Ratandeep S. Kukreja
  • Publication number: 20190345588
    Abstract: A method of making an aluminum alloy containing titanium includes heating a first composition to a first temperature. The first composition includes aluminum. The first temperature is greater than or equal to a liquidus temperature of the first composition. The method further includes adding a second composition to the first composition to form a third composition. The second composition includes a copper-titanium compound. The method further includes decomposing at least a portion of the copper-titanium compound into copper and titanium. The method further includes cooling the third composition to a second temperature to form a first solid material. The second temperature is less than or equal to a solidus temperature of the third composition. The method further includes heat treating the first solid material to form the aluminum alloy containing titanium.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael J. WALKER, Qigui WANG, Andrew C. BOBEL, James R. SALVADOR, Henry ZHAN
  • Patent number: 10473604
    Abstract: A number of variations may involve a method that may include providing a non-conductive layer. A conductive layer may be provided overlying the non-conductive layer with the conductive layer to form a sensor device. An opposition to electrical current through the conductive layer may be monitored. The location of a status of the non-conductive layer or of the conductive layer may be determined through a change in the opposition.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 12, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. Salvador, Debejyo Chakraborty, Leonid C. Lev
  • Patent number: 10431849
    Abstract: An electrochemical cell comprising an alkali metal anode and a solid electrolyte is disclosed. The surface of the electrolyte is roughened, mechanically, chemically or by ablation and the cell is operated at a pressure of between 3 MPa and 10 MPa. Such a cell exhibits higher power density than a like-dimensioned cell employing a smooth-surfaced electrolyte surface and operated at pressures of less than 1 MPa.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 1, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Thomas A. Yersak, James R. Salvador
  • Patent number: 10424710
    Abstract: An engine includes a cylinder liner. The cylinder liner includes an interior wall, an exterior wall, and a thermoelectric element disposed therebetween. The interior wall forms a cylinder bore forming part of a combustion chamber. The exterior wall is positioned adjacent a coolant jacket. The thermoelectric element is operable to generate an electric current in response to a temperature gradient between the interior wall, which is exposed to the high temperatures of the combustion chamber, and the exterior wall, which is exposed to the cooler temperatures of a coolant in the coolant jacket. An electric current in a circuit of the thermoelectric element may be controlled to affect a cylinder wall temperature. The circuit of the thermoelectric element may be opened, and the voltage of the thermoelectric element may be measured and used to calculate the cylinder wall temperature.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: September 24, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: James R. Salvador, Anil Bika, Alok Warey, Venkatesh Gopalakrishnan
  • Patent number: 10415689
    Abstract: A method of using a thermoelectric generator for warming a transmission on a vehicle having an internal combustion engine is provided. The method includes starting the internal combustion engine, thereby generating a hot exhaust gas; circulating coolant through a heating loop in fluid communication with the internal combustion engine and the thermoelectric generator; passing the hot exhaust gas through a hot-side of the thermoelectric generator and circulating the coolant through the cold-side of the thermoelectric generator, thereby transferring heat from the hot exhaust gas to the coolant and generating an electric current; and selectively powering an electric heating element with the electric current. The electric heating element is in thermal communication with a transmission fluid of the transmission.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 17, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Douglas Dickson, Lawrence P. Ziehr, James R. Salvador, Daniel J. Shepard
  • Publication number: 20190103537
    Abstract: An engine includes a cylinder liner. The cylinder liner includes an interior wall, an exterior wall, and a thermoelectric element disposed therebetween. The interior wall forms a cylinder bore forming part of a combustion chamber. The exterior wall is positioned adjacent a coolant jacket. The thermoelectric element is operable to generate an electric current in response to a temperature gradient between the interior wall, which is exposed to the high temperatures of the combustion chamber, and the exterior wall, which is exposed to the cooler temperatures of a coolant in the coolant jacket. An electric current in a circuit of the thermoelectric element may be controlled to affect a cylinder wall temperature. The circuit of the thermoelectric element may be opened, and the voltage of the thermoelectric element may be measured and used to calculate the cylinder wall temperature.
    Type: Application
    Filed: October 3, 2017
    Publication date: April 4, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. Salvador, Anil Bika, Alok Warey, Venkatesh Gopalakrishnan
  • Publication number: 20190058210
    Abstract: An electrochemical cell includes a negative electrode that contains lithium and an electrolyte system. In one variation, the electrolyte system includes a first liquid electrolyte, a solid-dendrite-blocking layer, and an interface layer. The solid dendrite-blocking layer is ionically conducting and electrically insulating. The dendrite-blocking layer includes a first component and a distinct second component. The dendrite-blocking layer has a shear modulus of greater than or equal to about 7.5 GPa at 23° C. The interface layer is configured to interface with a negative electrode including lithium metal on a first side and the dendrite blocking layer on a second opposite side. The interface layer includes a second liquid electrolyte, a gel polymer electrolyte, or a solid-state electrolyte. The dendrite-blocking layer is disposed between the first liquid electrolyte and the interface layer.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Inventors: Fang Dai, Li Yang, Thomas A. Yersak, James R. Salvador, Mei Cai
  • Publication number: 20180375148
    Abstract: Fiber-reinforced separators/solid electrolytes suitable for use in a cell employing an anode comprising an alkali metal are disclosed. Such fiber-reinforced separators/solid electrolytes may be at least partially amorphous and prepared by compacting, at elevated temperatures, powders of an ion-conducting composition appropriate to the anode alkali metal. The separators/solid electrolytes may employ discrete high aspect ratio fibers and fiber mats or plate-like mineral particles to reinforce the separator solid electrolyte. The reinforcing fibers may be inorganic, such as silica-based glass, or organic, such as a thermoplastic. In the case of thermoplastic fiber-reinforced separators/solid electrolytes, any of a wide range of thermoplastic compositions may be selected provided the glass transition temperature of the polymer reinforcement composition is selected to be higher than the glass transition temperature of the amorphous portion of the separator/solid electrolyte.
    Type: Application
    Filed: June 23, 2017
    Publication date: December 27, 2018
    Inventors: Thomas A. Yersak, James R. Salvador
  • Publication number: 20180363760
    Abstract: A method of using a thermoelectric generator for warming a transmission on a vehicle having an internal combustion engine is provided. The method includes starting the internal combustion engine, thereby generating a hot exhaust gas; circulating coolant through a heating loop in fluid communication with the internal combustion engine and the thermoelectric generator; passing the hot exhaust gas through a hot-side of the thermoelectric generator and circulating the coolant through the cold-side of the thermoelectric generator, thereby transferring heat from the hot exhaust gas to the coolant and generating an electric current; and selectively powering an electric heating element with the electric current. The electric heating element is in thermal communication with a transmission fluid of the transmission.
    Type: Application
    Filed: August 29, 2018
    Publication date: December 20, 2018
    Inventors: Douglas Dickson, Lawrence P. Ziehr, James R. Salvador, Daniel J. Shepard
  • Publication number: 20180309165
    Abstract: An electrochemical cell comprising an alkali metal anode and a solid electrolyte is disclosed. The surface of the electrolyte is roughened, mechanically, chemically or by ablation and the cell is operated at a pressure of between 3 MPa and 10 MPa. Such a cell exhibits higher power density than a like-dimensioned cell employing a smooth-surfaced electrolyte surface and operated at pressures of less than 1 MPa.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 25, 2018
    Inventors: Thomas A. Yersak, James R. Salvador
  • Publication number: 20180309166
    Abstract: Certain glass, glass-ceramic, and ceramic electrolyte bodies formed from lithium or sodium sulfides and glass-forming sulfides, sulfoxides and/or certain glass-forming oxides provide good conductivity of lithium ions or sodium ions for use in lithium metal electrode or sodium metal electrode battery cells. The stability of the lithium or sodium metal anode-glass electrolyte interface is improved by forming a metal oxide passivation layer by atomic layer deposition on the facing surface of the electrolyte and activating the coating by contact of the passivated surface with the lithium or sodium electrode material.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Inventors: Thomas A. Yersak, Xingcheng Xiao, James R. Salvador
  • Publication number: 20180294517
    Abstract: Thin amorphous or partially crystalline lithium-containing and conducting sulfide or oxysulfide glass electrode/separator members are prepared from a layer of molten glass or of glass powder. The resulting glass films are formed to lie face-to face against a lithium metal anode or a sodium metal anode and a cathode and to provide for good transport of lithium ions between the electrodes during repeated cycling of the cell and to prevent shorting of the cell by dendrites growing from the lithium metal or sodium metal anode.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 11, 2018
    Inventors: Thomas A. Yersak, James R. Salvador, Han Nguyen
  • Patent number: 10094464
    Abstract: A vehicle, system, and method of warming the transmission fluid with a thermoelectric generator is also provided. Disclosed is vehicle having an internal combustion engine, a transmission containing a transmission fluid, a coolant circuit configured to remove heat from the engine, and a thermoelectric generator. The thermoelectric generator is in non-contact thermal communication with the hot exhaust gas produced by the engine and the relatively cooler coolant circulating through the coolant circuit. The thermoelectric generator produces a current from the temperature gradient between the exhaust gas relative and coolant and transfers heat from the exhaust gas to the coolant. The heat coolant is conveyed to a transmission heat exchanger to heat the transmission fluid. A heating element is disposed in thermal contact with the transmission fluid and the heating element is powered by the electric current produced by the thermoelectric generator.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: October 9, 2018
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Douglas Dickson, Lawrence P. Ziehr, James R. Salvador, Daniel J. Shepard
  • Publication number: 20180195988
    Abstract: A number of variations may involve a method that may include providing a non-conductive layer. A conductive layer may be provided and may overly the non-conductive layer to form a sensor device. The presence of a volatile organic compound may be determined by monitoring the conductive layer.
    Type: Application
    Filed: April 29, 2016
    Publication date: July 12, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. Salvador, Debejyo Chakraborty
  • Publication number: 20180172613
    Abstract: A number of variations may involve a method that may include providing a non-conductive layer. A conductive layer may be provided overlying the non-conductive layer with the conductive layer to form a sensor device. An opposition to electrical current through the conductive layer may be monitored. The location of a status of the non-conductive layer or of the conductive layer may be determined through a change in the opposition.
    Type: Application
    Filed: April 29, 2016
    Publication date: June 21, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. Salvador, Debejyo Chakraborty, Leonid C. Lev
  • Publication number: 20180156646
    Abstract: A number of variations may include a product including a substrate and a sensor device including a non-conductive layer and a conductive layer overlying the non-conductive layer wherein the sensor device is constructed and arranged to measure or monitor a variable comprising at least one of temperature, pressure, VOC concentration, state of charge, or state of health of a substrate.
    Type: Application
    Filed: April 29, 2016
    Publication date: June 7, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James R. Salvador, Debejyo Chakraborty, Leonid C. Lev
  • Patent number: 9903851
    Abstract: A vehicle includes a thermal harvesting device that is positioned adjacent a heat-generating vehicle system. The thermal harvesting device generates electricity based on a temperature differential in order to power a sensor and a wireless transmitter.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: February 27, 2018
    Assignee: GM Global Technology Operations LLC
    Inventors: Nicholas P. Irish, James R. Salvador, William L. Villaire