Patents by Inventor Charles Austen Angell

Charles Austen Angell 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: 20200112057
    Abstract: A solid electrolyte represented by general formula LiySiRx(MO4), where x is an integer from 1 to 3 inclusive, y=4?x, each R present is independently C1-C3 alkyl or C1-C3 alkoxy, and M is sulfur, selenium, or tellurium. Methods of making the solid electrolyte include combining a phenylsilane and a first acid to yield mixture including benzene and a second acid, and combining at least one of an alkali halide, and alkali amide, and an alkali alkoxide with the second acid to yield a product d represented by general formula LiySiRx(MO4)y. The second acid may be in the form of a liquid or a solid. The phenylsilane includes at least one C1-C3 alkyl substituent or at least one C1-C3 alkoxy substituent, and the first acid includes at least one of sulfuric acid, selenic acid, and telluric acid.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 9, 2020
    Inventors: Charles Austen Angell, Iolanda Santana Klein, Telpriore Greg Tucker
  • Patent number: 10497970
    Abstract: A solid electrolyte represented by general formula LiySiRx(MO4), where x is an integer from 1 to 3 inclusive, y=4?x, each R present is independently C1-C3 alkyl or C1-C3 alkoxy, and M is sulfur, selenium, or tellurium. Methods of making the solid electrolyte include combining a phenylsilane and a first acid to yield mixture including benzene and a second acid, and combining at least one of an alkali halide, and alkali amide, and an alkali alkoxide with the second acid to yield a product d represented by general formula LiySiRx(MO4)y. The second acid may be in the form of a liquid or a solid. The phenylsilane includes at least one C1-C3 alkyl substituent or at least one C1-C3 alkoxy substituent, and the first acid includes at least one of sulfuric acid, selenic acid, and telluric acid.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 3, 2019
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Charles Austen Angell, Iolanda Santana Klein, Telpriore Greg Tucker
  • Patent number: 10424803
    Abstract: An ionic liquid catholyte includes an ionic liquid, such as 1-ethyl-3-methylimidazolium chloride (EMICl), at least one half of a redox couple, and a sodium salt. The ionic liquid catholyte is suitable for use as a liquid cathode in an electrochemical device including an anode current collector, an anode in contact with the anode current collector, a cathode current collector, a liquid cathode in contact with the cathode current collector, and a solid electrolyte separating the anode and cathode current collectors. The one half of the redox couple includes a metal in a first oxidation state that is oxidized or reduced to yield the metal in a second oxidation state, and the redox couple includes the metal in the first oxidation state and the metal in the second oxidation state. The solid electrolyte is permeable to sodium ions and is in contact with the liquid anode and the liquid cathode.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: September 24, 2019
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Charles Austen Angell, Leigang Xue
  • Publication number: 20190020060
    Abstract: A solid electrolyte represented by general formula LiySiRx(MO4), where x is an integer from 1 to 3 inclusive, y=4?x, each R present is independently C1-C3 alkyl or C1-C3 alkoxy, and M is sulfur, selenium, or tellurium. Methods of making the solid electrolyte include combining a phenylsilane and a first acid to yield mixture including benzene and a second acid, and combining at least one of an alkali halide, and alkali amide, and an alkali alkoxide with the second acid to yield a product d represented by general formula LiySiRx(MO4)y. The second acid may be in the form of a liquid or a solid.
    Type: Application
    Filed: June 29, 2018
    Publication date: January 17, 2019
    Inventors: Charles Austen Angell, Iolanda Santana Klein, Telpriore Greg Tucker
  • Publication number: 20180131027
    Abstract: A solid electrolyte includes an amorphous silica network and phosphoric acid. The phosphoric acid is contained in the amorphous silica network, and is typically in molecular form. The ratio of silicon to phosphorus in the solid electrolyte is about 1:4, and the silicon is in a four-coordinated state. The solid electrolyte is in the form of a dried (e.g., anhydrous) gel. The solid electrolyte may be used in a fuel cell membrane. Preparing the solid electrolyte includes reacting phosphoric acid in the liquid state with tetrachloride compound including silicon and a displaceable ligand to yield a fluid suspension, heating the fluid suspension to yield a liquid electrolyte comprising a particulate solid, separating the particulate solid from the liquid electrolyte, combining the particulate solid with water to yield a homogenous solution, forming a gel from the homogeneous solution, and removing water from the gel to yield the solid electrolyte.
    Type: Application
    Filed: May 26, 2016
    Publication date: May 10, 2018
    Inventors: Charles Austen Angell, Younes Ansari, Telpriore Greg Tucker, Iolanda Santana Klein
  • Publication number: 20170309943
    Abstract: An ionic liquid catholyte includes an ionic liquid, such as 1-ethyl-3-methylimidazolium chloride (EMICl), at least one half of a redox couple, and a sodium salt. The ionic liquid catholyte is suitable for use as a liquid cathode in an electrochemical device including an anode current collector, an anode in contact with the anode current collector, a cathode current collector, a liquid cathode in contact with the cathode current collector, and a solid electrolyte separating the anode and cathode current collectors. The one half of the redox couple includes a metal in a first oxidation state that is oxidized or reduced to yield the metal in a second oxidation state, and the redox couple includes the metal in the first oxidation state and the metal in the second oxidation state. The solid electrolyte is permeable to sodium ions and is in contact with the liquid anode and the liquid cathode.
    Type: Application
    Filed: September 15, 2015
    Publication date: October 26, 2017
    Inventors: Charles Austen Angell, Leigang Xue
  • Publication number: 20170066573
    Abstract: A drinking vessel with a lid assembly for holding a hot beverage is disclosed. The drinking vessel has an annular rim at its top edge to which the lid assembly is releasably secured. The lid assembly includes a lid, a slider and a sealing member. The sealing member is coupled to the slider. The lid includes a top wall having a port configured for communication with the interior of the vessel. The slider is configured to be slid into any one of three states, e.g., a closed state, an opened state, and a removal state. In the closed state the slider is connected to the top wall and the sealing member seals the port. In the opened state, the slider is connected to the top wall but the sealing member exposes the port. In the removal state the slider is disconnected from the top wall so that it can be removed from the lid assembly.
    Type: Application
    Filed: March 29, 2016
    Publication date: March 9, 2017
    Inventors: Kurt A. Karussi, Charles Austen Angell, Matthew A. Tosi, Shannon D. Staats, Timothy C. Rothwell
  • Patent number: 8273477
    Abstract: Fuel cell designs and techniques for converting chemical energy into electrical energy uses a fuel cell are disclosed. The designs and techniques include an anode to receive fuel, a cathode to receive oxygen, and an electrolyte chamber in the fuel cell, including an electrolyte medium, where the electrolyte medium includes an inorganic salt mixture in the fuel cell. The salt mixture includes pre-determined quantities of at least two salts chosen from a group consisting of ammonium trifluoromethanesulfonate, ammonium trifluoroacetate, and ammonium nitrate, to conduct charge from the anode to the cathode. The fuel cell includes an electrical circuit operatively coupled to the fuel cell to transport electrons from the cathode.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: September 25, 2012
    Assignee: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: Charles Austen Angell, Jean-Philippe Belieres, Dominic Francis-Gervasio
  • Publication number: 20110143212
    Abstract: Techniques, systems and materials are described for a rechargeable battery. For example, a battery material can include one or more ionic electrolyte salts. The battery material can also include a non-aqueous electrolyte solvent including one or more non-symmetrical sulfones. Further, the battery material can include one or more additives.
    Type: Application
    Filed: September 26, 2008
    Publication date: June 16, 2011
    Inventors: Charles Austen Angell, Xiao-Guang Sun
  • Publication number: 20110020712
    Abstract: Electrolytic solvents and applications of such solvents including electric current-producing devices. For example, a solvent can include a sulfone compound of R1—SO2—R2, with R1 being an alkyl group and R2 a partially oxygenated alkyl group, to exhibit high chemical and thermal stability and high oxidation resistance. For another example, a battery can include, between an anode and a cathode, an electrolyte which includes ionic electrolyte salts and a non-aqueous electrolyte solvent which includes a non-symmetrical, non-cyclic sulfone. The sulfone has a formula of R1—SO2—R2, wherein R1 is a linear or branched alkyl or partially or fully fluorinated linear or branched alkyl group having 1 to 7 carbon atoms, and R2 is a linear or branched or partially or fully fluorinated linear or branched oxygen containing alkyl group having 1 to 7 carbon atoms. The electrolyte can include an electrolyte co-solvent and an electrolyte additive for protective layer formation.
    Type: Application
    Filed: October 4, 2010
    Publication date: January 27, 2011
    Applicant: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: Charles Austen Angell, Xiao-Guang Sun
  • Patent number: 7833666
    Abstract: Electrolytic solvents and applications of such solvents including electric current-producing devices. For example, a solvent can include a sulfone compound of R1—SO2—R2, with R1 being an alkyl group and R2 a partially oxygenated alkyl group, to exhibit high chemical and thermal stability and high oxidation resistance. For another example, a battery can include, between an anode and a cathode, an electrolyte which includes ionic electrolyte salts and a non-aqueous electrolyte solvent which includes a non-symmetrical, non-cyclic sulfone. The sulfone has a formula of R1—SO2—R2, wherein R1 is a linear or branched alkyl or partially or fully fluorinated linear or branched alkyl group having 1 to 7 carbon atoms, and R2 is a linear or branched or partially or fully fluorinated linear or branched oxygen containing alkyl group having 1 to 7 carbon atoms. The electrolyte can include an electrolyte co-solvent and an electrolyte additive for protective layer formation.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: November 16, 2010
    Assignee: Arizona Board of Regents for and behalf of Arizona State University
    Inventors: Charles Austen Angell, Xiao-Guang Sun
  • Patent number: 7833643
    Abstract: A neutral protic salt electrolyte and a protic-salt imbibed polymer electrolyte membrane exhibiting high ionic conductivity and thermal stability at temperatures greater than 100° C. without requiring additional humidification systems or hydrating water is disclosed. The protic salt is the neutral product of acids and bases for which the proton transfer energy lies in the range from 0.5 to 1.5 eV. A polymer electrolyte membrane having the general formula: wherein A is a repeating unit in the main chain, B is a crosslinker chain, C is an end group, YZ is a neutralized couple at chain end, IL is an ionic liquid, and NP is a nanoparticle which absorbs the protic liquid yielding membranes that combine high mechanical strength with high conductivity. The present polymer electrolyte membrane is useful in high temperature fuel cells for automotive, industrial, and mobile communication applications.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: November 16, 2010
    Assignee: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: Charles Austen Angell, Xiao-Guang Sun, Jean-Philippe Belieres, Dominic Francis Gervasio
  • Publication number: 20100055509
    Abstract: Fuel cell designs and techniques for converting chemical energy into electrical energy uses a fuel cell are disclosed. The designs and techniques include an anode to receive fuel, a cathode to receive oxygen, and an electrolyte chamber in the fuel cell, including an electrolyte medium, where the electrolyte medium includes an inorganic salt mixture in the fuel cell. The salt mixture includes pre-determined quantities of at least two salts chosen from a group consisting of ammonium trifluoromethanesulfonate, ammonium trifluoroacetate, and ammonium nitrate, to conduct charge from the anode to the cathode. The fuel cell includes an electrical circuit operatively coupled to the fuel cell to transport electrons from the cathode.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 4, 2010
    Inventors: Charles Austen Angell, Jean-Philippe Belieres, Dominic Francis Gervasio
  • Publication number: 20090226817
    Abstract: Novel chain polymers comprising weakly basic anionic moieties chemically bound into a polyether backbone at controllable anionic separations are presented. Preferred polymers comprise orthoborate anions capped with dibasic acid residues, preferably oxalato or malonato acid residues. The conductivity of these polymers is found to be high relative to that of most conventional salt-in-polymer electrolytes. The conductivity at high temperatures and wide electrochemical window make these materials especially suitable as electrolytes for rechargeable lithium batteries.
    Type: Application
    Filed: October 31, 2007
    Publication date: September 10, 2009
    Inventors: Charles Austen Angell, Wu Xu
  • Patent number: 7527899
    Abstract: Orthoborate salts suitable for use as electrolytes in lithium batteries and methods for making the electrolyte salts are provided. The electrolytic salts have one of the formulae (I). In this formula anionic orthoborate groups are capped with two bidentate chelating groups, Y1 and Y2. Certain preferred chelating groups are dibasic acid residues, most preferably oxalyl, malonyl and succinyl, disulfonic acid residues, sulfoacetic acid residues and halo-substituted alkylenes. The salts are soluble in non-aqueous solvents and polymeric gels and are useful components of lithium batteries in electrochemical devices.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: May 5, 2009
    Assignee: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: Charles Austen Angell, Wu Xu
  • Publication number: 20080226989
    Abstract: Orthoborate salts suitable for use as electrolytes in lithium batteries and methods for making the electrolyte salts are provided. The electrolytic salts have one of the formulae (I). In this formula anionic orthoborate groups are capped with two bidentate chelating groups, Y1 and Y2. Certain preferred chelating groups are dibasic acid residues, most preferably oxalyl, malonyl and succinyl, disulfonic acid residues, sulfoacetic acid residues and halo-substituted alkylenes. The salts are soluble in non-aqueous solvents and polymeric gels and are useful components of lithium batteries in electrochemical devices.
    Type: Application
    Filed: December 10, 2007
    Publication date: September 18, 2008
    Inventors: Charles Austen Angell, Wu Xu
  • Patent number: 7222466
    Abstract: A foldable truss member suitable for commercial displays includes a plurality of side members that are adjacently hinged together. The side members include support members and bridging members having extensions. The side members are joined into a foldable structure with a hinge member between the support member and extensions of adjacent side members. A display structure can be formed by connecting locking members between two truss members.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: May 29, 2007
    Assignee: Eagle Development Corporation
    Inventors: Ralph L. Schipani, Richard K. Strayer, Mark Brauer, Walter Croll, Paul Miklautsch, Patrick M. Hamilton, Charles Austen Angell, Jennifer Dianne Astwood, Shaohui Qiu, Lee Powers, Kyle Gudmunson, Brian Clemens, Brett R. Johnson, Charles Graves
  • Patent number: 6997629
    Abstract: Improvements that facilitate loading of supply items into data bearing identification or financial document production equipment. Supply items include web materials that are used in data bearing identification or financial document production equipment, and which are supplied from a supply cylinder and wound onto a take-up cylinder after use. Examples of supply items include monochromatic and multi-color print ribbons, webs that carry laminate patches, cleaning tape, and other web materials that are used up during use of the equipment. Data bearing identification or financial document production equipment include thermal printers, laminators and combinations thereof, and other equipment that utilize supply items.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: February 14, 2006
    Assignee: DataCard Corporation
    Inventors: Lyle C. Bungert, Brian Clemens, Brett Ryan Johnson, Jennifer Astwood, Charles Austen Angell
  • Patent number: 6715255
    Abstract: A foldable truss member suitable for commercial displays includes a plurality of side members that are adjacently hinged together. The side members include support members and bridging members having extensions. The side members are joined into a foldable structure with a hinge member between the support member and extensions of adjacent side members. The truss includes a locking frame that is removably attached to ends of the side members. A display structure can be formed by connecting a locking frame between two truss members.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 6, 2004
    Assignee: Interlock Structures International, Inc.
    Inventors: Ralph L. Schipani, Richard K. Strayer, Mark Brauer, Walter Croll, Paul Miklautsch, Patrick M. Hamilton, Charles Austen Angell, Jennifer Dianne Astwood, Shaohui Qiu, Lee Powers, Kyle Gudmunson, Brian Clemens, Brett R. Johnson, Charles Graves
  • Patent number: D873459
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: January 21, 2020
    Assignee: SIGN LIGHT LLC
    Inventors: Charles Austen Angell, Grant C. Cysewski, Nathan Head