Patents by Inventor Marissa Caldwell

Marissa Caldwell 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: 20180358620
    Abstract: An energy storage device includes a cathode electrode, an electrolyte, and an anode electrode including sodium titanium phosphate having a NASICON structure doped with zinc or a combination of zinc with at least one of calcium and magnesium.
    Type: Application
    Filed: December 6, 2016
    Publication date: December 13, 2018
    Inventors: Cory O'NEIL, Jen-Hsien YANG, Marissa CALDWELL, Bin LI, Jay WHITCARE, Sneha SHANBHAG, Wei WU
  • Patent number: 10135093
    Abstract: An electrochemical cell having an anode, a solid electrolyte, and a cathode. The solid electrolyte includes a polymer gel formed from an ethylene oxide polymer combined with a liquid precursor. The liquid precursor contains at least 15 molar percent of a lithium salt in a solvent.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: November 20, 2018
    Assignees: Wildcat Discovery Technologies, Inc., Medtronic, Inc.
    Inventors: Bin Li, Marissa Caldwell
  • Publication number: 20180261877
    Abstract: A lithium ion battery having an anode, a solid electrolyte, and a cathode. The cathode includes an electrode active material, a first lithium salt, and a polymer material. The solid electrolyte can include a second lithium salt. The solid electrolyte can include a ceramic material, a lithium salt, and a polymer material.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 13, 2018
    Inventors: Deidre Strand, Marissa Caldwell
  • Publication number: 20180233779
    Abstract: Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.
    Type: Application
    Filed: April 13, 2018
    Publication date: August 16, 2018
    Inventors: Gang Cheng, Deidre Strand, Ye Zhu, Marissa Caldwell
  • Patent number: 9985313
    Abstract: A lithium ion battery having an anode, a solid electrolyte, and a cathode. The cathode includes an electrode active material, a first lithium salt, and a polymer material. The solid electrolyte can include a second lithium salt. The solid electrolyte can include a ceramic material, a lithium salt, and a polymer material.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: May 29, 2018
    Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.
    Inventors: Deidre Strand, Marissa Caldwell
  • Patent number: 9954251
    Abstract: Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: April 24, 2018
    Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC
    Inventors: Gang Cheng, Deidre Strand, Ye Zhu, Marissa Caldwell
  • Publication number: 20170288265
    Abstract: An electrochemical cell having an anode, a solid electrolyte, and a cathode. The solid electrolyte includes a polymer gel formed from an ethylene oxide polymer combined with a liquid precursor. The liquid precursor contains at least 15 molar percent of a lithium salt in a solvent.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 5, 2017
    Inventors: Bin Li, Marissa Caldwell
  • Publication number: 20170288270
    Abstract: Electrolyte formulations including a high salt concentration. The electrolyte formulation includes an organic solvent and a lithium salt, wherein the lithium salt is mixed with the organic solvent at a concentration of at least 20 Mole %, or at least 40 Mole %, or at least 50 Mole %. The organic solvent includes N-methyl-2-pyrrolidone, butylene carbonate, butyl propionate, pentyl acetate, ?-caprolactone, propylene glycol sulfite, ethyl methyl sulfone, butyl sulfoxide or combinations thereof. The lithium salt includes lithium bis(trifluoromethane sulfonyl) imide, lithium tetrafluoroborate, or lithium hexafluorophosphate.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 5, 2017
    Applicants: Wildcat Discovery Technologies, Inc., Medtronic, Inc.
    Inventors: Bin Li, Marissa Caldwell, Prabhakar Tamirisa
  • Publication number: 20170288264
    Abstract: A battery having an anode, a soft-solid electrolyte, and a cathode. The soft-solid electrolyte includes a polymer soft-solid material formed from polymer combined with a solvent such as butylene carbonate, butyl sulfoxide, n-methyl-2-pyrrolidone, or ?-caprolactone.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 5, 2017
    Inventors: Bin Li, Marissa Caldwell, Prabhakar Tamirisa, Hui Ye
  • Publication number: 20170133661
    Abstract: A method for synthesizing high voltage active materials using a process control agent. The process control agent may be a carbon source. The active material may be a spinel.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 11, 2017
    Applicants: Wildcat Discovery Technologies, Inc., Tianjin B&M Science and Technology Joint-Stock Co., Ltd.
    Inventors: Marissa Caldwell, Jen-Hsien Yang, Bin Li
  • Publication number: 20170033404
    Abstract: An electrolyte formulation including additive compounds to improve the mechanical stability of the solid-electrolyte interface (SEI) on a silicon anode in a lithium ion battery as compared to a conventional electrolyte formulation. Some electrolyte solutions are formulated to contain no ethylene carbonate.
    Type: Application
    Filed: October 11, 2016
    Publication date: February 2, 2017
    Inventors: Deidre Strand, Marissa Caldwell, Gang Cheng
  • Patent number: 9490475
    Abstract: An electrode for an electrochemical cell including a metal fluoride containing active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material. The active material can be a hybrid material formed from the reaction of a metal fluoride and a metal complex.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: November 8, 2016
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Cory O'Neill, Steven Kaye, Marissa Caldwell, David Keogh
  • Publication number: 20160240889
    Abstract: Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Inventors: Gang Cheng, Deidre Strand, Ye Zhu, Marissa Caldwell
  • Patent number: 9397339
    Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: July 19, 2016
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Marissa Caldwell, Steven Kaye, Cory O'Neill, Wei Tong
  • Patent number: 9337472
    Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 10, 2016
    Assignee: Wildcat Discovery Technologies, Inc
    Inventors: Marissa Caldwell, Steven Kaye, Cory O'Neill, Wei Tong, David Keogh
  • Publication number: 20150303448
    Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.
    Type: Application
    Filed: June 30, 2015
    Publication date: October 22, 2015
    Inventors: Marissa Caldwell, Steven Kaye, Cory O'Neill, Wei Tong, David Keogh
  • Patent number: 9153818
    Abstract: A composition for use in a battery electrode including lithium-sulfur particles coated with a transition metal species bonded to a sulfur species. Methods and materials for preparing such a composition. Use of such a compound in a battery.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: October 6, 2015
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Marissa Caldwell, Steven Kaye, David Keogh
  • Patent number: 9123959
    Abstract: A composition for use in a battery electrode comprising a compound including lithium, manganese, nickel, and oxygen. The composition is characterized by a powder X-ray diffraction pattern having peaks including 18.6±0.2, 35.0±0.2, 36.4±0.2, 37.7±0.2, 42.1±0.2, and 44.5±0.2 degrees 2? as measured using Cu K? radiation.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: September 1, 2015
    Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.
    Inventors: Bin Li, Marissa Caldwell, Wei Tong, Steven Kaye, Vinay Bhat
  • Patent number: 9099735
    Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 4, 2015
    Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.
    Inventors: Marissa Caldwell, Steven Kaye, Cory O'Neill, Wei Tong, David Keogh
  • Publication number: 20150188187
    Abstract: A lithium ion battery having an anode, a solid electrolyte, and a cathode. The cathode includes an electrode active material, a first lithium salt, and a polymer material. The solid electrolyte can include a second lithium salt. The solid electrolyte can include a ceramic material, a lithium salt, and a polymer material.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Inventors: Deidre Strand, Marissa Caldwell