Patents by Inventor Arden P. Johnson

Arden P. Johnson 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: 20210013550
    Abstract: A novel wound electrode assembly for a lithium oxyhalide electrochemical cell is described. The electrode assembly comprises an elongate cathode of an electrochemically non-active but electrically conductive carbonaceous material disposed between an inner elongate portion and an outer elongate portion of a unitary lithium anode. That way, lithium faces the entire length of the opposed major sides of the cathode. This inner anode portion/cathode/outer anode portion configuration is rolled into a wound-shaped electrode assembly that is housed inside a cylindrically-shaped casing. A cylindrically-shaped sheet-type spring centered in the electrode assembly presses outwardly to limit axial movement of the electrode assembly. In one embodiment, all the non-active components, except for the cathode current collector which is nickel, are made of stainless-steel. This provides the cell with a low magnetic signature without adversely affecting the cell's high-rate capability.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Inventors: Yufei Wang, John S. Miller, John Hession, Arden P. Johnson
  • Patent number: 10727486
    Abstract: The present invention relates to an oxyhalide electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from a first electrochemically active carbonaceous material and a second electrochemically non-active carbonaceous material. The cathode material of the present invention provides increased discharge capacity compared to traditional lithium oxyhalide cells. In addition, the cathode material of the present invention is chemically stable which makes it particularly useful for applications that require increased rate capability in extreme environmental conditions such as those found in oil and gas exploration.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: July 28, 2020
    Assignee: Electrochem Solutions, Inc.
    Inventors: Arden P. Johnson, Yufei Wang
  • Patent number: 10109846
    Abstract: The present invention relates to an electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from a first active cathode material of a transition metal phosphate mixed or added to a second active cathode material of a carbonaceous material. The cathode material of the present invention provides increased rate pulse performance compared to carbon monofluoride cathode material. In addition, the cathode material of the present invention is chemically stable which makes it particularly useful for applications that require increased rate capability in extreme environmental conditions such as those found in oil and gas exploration.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: October 23, 2018
    Assignee: Electrochem Solutions, Inc.
    Inventors: Arden P. Johnson, Alexander Kaplan
  • Publication number: 20160172668
    Abstract: The present invention relates to an oxyhalide electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from a first electrochemically active carbonaceous material and a second electrochemically non-active carbonaceous material. The cathode material of the present invention provides increased discharge capacity compared to traditional lithium oxyhalide cells. In addition, the cathode material of the present invention is chemically stable which makes it particularly useful for applications that require increased rate capability in extreme environmental conditions such as those found in oil and gas exploration.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 16, 2016
    Inventors: Arden P. Johnson, Yufei Wang
  • Publication number: 20150255784
    Abstract: The present invention relates to an electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from a first active cathode material of a transition metal phosphate mixed or added to a second active cathode material of a carbonaceous material. The cathode material of the present invention provides increased rate pulse performance compared to carbon monofluoride cathode material. In addition, the cathode material of the present invention is chemically stable which makes it particularly useful for applications that require increased rate capability in extreme environmental conditions such as those found in oil and gas exploration.
    Type: Application
    Filed: March 9, 2015
    Publication date: September 10, 2015
    Inventors: Arden P. Johnson, Alexander Kaplan
  • Publication number: 20150162772
    Abstract: An electrical circuit designed to dynamically connect or disconnect an electrochemical cell to or from an electrical load based on the measured value of the discharge voltage generated by the cell is discussed. When the measured discharge voltage of an electrochemical cell is less than the threshold voltage, the cell is disconnected from an electrical load and when the discharge voltage is the same as, or greater than, the threshold voltage, the electrochemical cell is connected to an electrical load. The circuit is configured so that the value of the threshold voltage increases from an initial value when the electrochemical cell is first disconnected from the electrical load.
    Type: Application
    Filed: March 3, 2014
    Publication date: June 11, 2015
    Applicant: Electrochem Solutions, Inc.
    Inventors: Brian R. Peterson, Eric Jankins, Arden P. Johnson, James K. Stawitzky, Jon J. Carroll, John A. Hession
  • Patent number: 8119276
    Abstract: A lithium oxyhalide cell electrically connected in parallel with a lithium ion cell is described. Importantly, the open circuit voltage of the freshly built primary lithium oxyhalide cell is equal to or less that the open circuit voltage of the lithium ion cell in a fully charged state. This provides a power system that combines the high capacity of the primary cell with the high pulse power of the secondary cell. This hybrid power system exhibits increased rate capability, higher capacity and improved safety in addition to elimination of voltage delay in comparison to a comparable lithium oxyhalide cell discharge alone.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: February 21, 2012
    Assignee: Electrochem Solutions, Inc.
    Inventors: Arden P. Johnson, Konstantin Tikhonov, Douglas Woodnorth, Jon J. Carroll
  • Patent number: 8067108
    Abstract: A hybrid battery comprising at least two nonaqueous electrochemical systems is described. The first cell comprises an anode of an alkaline earth metal or alloy thereof, and the second cell comprises an anode of an alkali metal or alloy thereof. The first cell is preferably an alkaline earth metal/oxyhalide cell, more preferably a calcium/oxyhalide cell or cells. The second cell is preferably an alkali metal alloy/oxyhalide cell, more preferably a lithium alloy/oxyhalide cell or cells. Such a cell combination is particularly useful for power a down-hole well tool. The down-hole tool is powered by the first cell during a surface test and as the tool descends into the well until all of the calcium is discharged. Then, the second cell powers the down-hole tool for the remainder of the down-hole procedure.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: November 29, 2011
    Assignee: Electrochem Solutions, Inc.
    Inventor: Arden P. Johnson
  • Publication number: 20090246561
    Abstract: A lithium oxyhalide cell electrically connected in parallel with a lithium ion cell is described. Importantly, the open circuit voltage of the freshly built primary lithium oxyhalide cell is equal to or less that the open circuit voltage of the lithium ion cell in a fully charged state. This provides a power system that combines the high capacity of the primary cell with the high pulse power of the secondary cell. This hybrid power system exhibits increased rate capability, higher capacity and improved safety in addition to elimination of voltage delay in comparison to a comparable lithium oxyhalide cell discharge alone.
    Type: Application
    Filed: March 24, 2009
    Publication date: October 1, 2009
    Applicant: Greatbatch Ltd.
    Inventors: Arden P. Johnson, Konstantin Tikhonov, Douglas Woodnorth, Jon J. Carroll
  • Patent number: 5601951
    Abstract: An inorganic electrolyte rechargeable electrical storage cell is shown which makes use of non-metallic electrodes in combination with an inorganic electrolyte that includes sulfur dioxide. The electrolyte can be for example a lithium and/or a calcium tetrachloroaluminate salt in sulfur dioxide. The anode of the cell is made of a carbon for example a graphite while the cathode is produced from a carbon having a relatively much higher surface area.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: February 11, 1997
    Assignee: Battery Engineering, Inc.
    Inventors: Arden P. Johnson, Carl R. Schlaikjer