Patents Assigned to DURACELL U.S. OPERATIONS, INC.
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Patent number: 11901553Abstract: The invention is directed towards a battery. The battery includes a cathode, an anode, a separator between the cathode and the anode, and an electrolyte. The cathode includes a conductive additive and an electrochemically active cathode material. The electrochemically active cathode material includes a beta-delithiated layered nickel oxide. The beta-delithiated layered nickel oxide has a chemical formula. The chemical formula is LixAyNi1+a?zMzO2·nH2O where x is from about 0.02 to about 0.20; y is from about 0.03 to about 0.20; a is from about 0 to about 0.2; z is from about 0 to about 0.2; and n is from about 0 to about 1. Within the chemical formula, A is an alkali metal. The alkali metal includes potassium, rubidium, cesium, and any combination thereof. Within the chemical formula, M comprises an alkaline earth metal, a transition metal, a non-transition metal, and any combination thereof. The anode includes an electrochemically active anode material.Type: GrantFiled: March 18, 2022Date of Patent: February 13, 2024Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: David Lloyd Anglin, Jennifer Anne Nelson, Paul Albert Christian, Thomas C. Richards
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Patent number: 11892513Abstract: The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 m?. The separator has a porosity of greater than 70%.Type: GrantFiled: October 28, 2022Date of Patent: February 6, 2024Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Brianna Rose Derooy, Nikolai N. Issaev
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Patent number: 11876238Abstract: A conformable battery pack assembly includes an array of individual electrochemical cells electrically connected with one another. The array is surrounded and encapsulated by a flexible outer shell. The array is arranged geometrically so that there are at least three non-parallel bending axes.Type: GrantFiled: October 15, 2021Date of Patent: January 16, 2024Assignee: DURACELL U.S. OPERATIONS, INC.Inventor: Steven J. Specht
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Patent number: 11876221Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.Type: GrantFiled: November 2, 2020Date of Patent: January 16, 2024Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
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Patent number: 11876165Abstract: A battery cell comprising a composite water-responsive safety layer and/or composite water- and pH-responsive safety layer to protect against tissue damage and/or electrolysis, when the battery cell is exposed to aqueous solution or tissue, is provided. The composite water-responsive safety layer and/or composite water- and pH-responsive safety layer is adapted to change from a non-electronically conducting state to an electronically conducting state.Type: GrantFiled: July 18, 2022Date of Patent: January 16, 2024Assignees: DURACELL U.S. OPERATIONS, INC., NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLCInventors: Michael Pozin, Walter Fred Paxton, Bryan James Kaehr
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Publication number: 20230395790Abstract: An anode composition, an alkali battery, a method of making a battery anode, and a method of making a battery, wherein the anode comprises a zinc or zinc alloy and a surfactant of formula (I): wherein R1 is selected from aryl and C1-C12 alkyl; x is an integer from 2 to 30; n is an integer from 2 to 6; and y is 1 or 2.Type: ApplicationFiled: June 5, 2023Publication date: December 7, 2023Applicant: DURACELL U.S. OPERATIONS, INC.Inventor: David Lloyd Anglin
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Patent number: 11837754Abstract: A magnetic battery cell connection mechanism includes a first battery cell and a second battery cell. A first connector has a first body including a first electrical pathway. A first electrical contact is disposed on the first body and electrically connected to the first electrical pathway. A first magnet is connected to the first body, the first magnet being adapted to magnetically releasably secure the first body to a positive terminal of the first battery cell. A second connector has a second body including a second electrical pathway. A second electrical contact is disposed on the second body and electrically connected to the second electrical pathway. A second magnet is connected to the second body, the second magnet being adapted to magnetically releasably secure the second body to a negative terminal of the second battery cell. The first connector and the second connector are electrically connected to an electrical circuit.Type: GrantFiled: December 30, 2020Date of Patent: December 5, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventor: Robert John Pavlinsky
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Patent number: 11820571Abstract: A battery package is described herein that advantageously maintains separation between batteries received therein while also providing a resealable opening to sequentially retrieve batteries therefrom. Further, the battery package can include an outer covering.Type: GrantFiled: May 10, 2021Date of Patent: November 21, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Scott Stewart, Joseph Cerone, Bryan Shova, Kelly Lin, Jacqueline Denham
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Patent number: 11817733Abstract: A portable power bank including a rechargeable battery may detect loss of capacity in the power bank battery. The power bank determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank transmits an indication of the health value to a mobile computing device.Type: GrantFiled: March 23, 2020Date of Patent: November 14, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Jordan Bourilkov, John Rotondo, Francisco Jose Restrepo, Sergio Coronado Hortal
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Patent number: 11817591Abstract: A seal assembly for a battery cell includes a grommet having an opening having an inner surface. A nail has a nail head and a stem extending from the stem. The stem includes a first portion with a larger diameter and a second portion with a smaller diameter and the stem extends through the opening in the grommet. The stem and the grommet form a first interference fit at a distal end of the opening. A trap clearance is formed between the distal end of the opening and the nail head. The trap clearance defines a trap for a sealant. A sealant is disposed on the stem and is located at least partially in the trap.Type: GrantFiled: May 21, 2021Date of Patent: November 14, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Mark T. Ashbolt, Daniel G. Allen, Oleg Podoprigora
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Patent number: 11817545Abstract: A secondary electrochemical cell comprises an anode, a cathode including electrochemically active cathode material, a separator between the anode and the cathode, and an electrolyte. The electrolyte comprises at least one salt dissolved in at least one organic solvent. The separator in combination with the electrolyte has an area-specific resistance of less than about 2 ohm-cm2.Type: GrantFiled: August 3, 2021Date of Patent: November 14, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Nikolai Nikolaevich Issaev, Alexander Kaplan, Junan Kao, Kirakodu Seetharama Nanjundaswamy, Michael Pozin, Fan Zhang
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Patent number: 11811058Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.Type: GrantFiled: December 30, 2021Date of Patent: November 7, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Paul Albert Christian, Yichun Wang, Nikolay Krastev Iltchev, Kirakodu S. Nanjundaswamy, Jennifer Anne Nelson, Fan Zhang
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Patent number: 11799082Abstract: The invention is directed towards an electrochemically active cathode material. The electrochemically active cathode includes beta-delithiated layered nickel oxide and an electrochemically active cathode material selected from the group consisting of manganese oxide, manganese dioxide, electrolytic manganese dioxide (EMD), chemical manganese dioxide (CMD), high power electrolytic manganese dioxide (HP EMD), lambda manganese dioxide, gamma manganese dioxide, beta manganese dioxide, and mixtures thereof. The beta-delithiated layered nickel oxide has an X-ray diffraction pattern. The X-ray diffraction pattern of the beta-delithiated layered nickel oxide includes a first peak from about 14.9°2? to about 16.0°2?; a second peak from about 21.3°2? to about 22.7°2?; a third peak from about 37.1°2? to about 37.4°2?; a fourth peak from about 43.2°2? to about 44.0°2?; a fifth peak from about 59.6°2? to about 60.6°2?; and a sixth peak from about 65.4°2? to about 65.9°2?.Type: GrantFiled: August 3, 2021Date of Patent: October 24, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Jennifer A. Nelson, David Lloyd Anglin, Mariarosa Brundu, Paul Albert Christian, Thomas C. Richards
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Patent number: 11764357Abstract: The invention is directed towards an electrochemically active cathode material for a battery. The electrochemically active cathode material includes a non-stoichiometric beta-delithiated layered nickel oxide. The non-stoichiometric beta-delithiated layered nickel oxide has a chemical formula. The chemical formula is LixAyNi1+a?zMzO2·nH2O where x is from about 0.02 to about 0.20; y is from about 0.03 to about 0.20; a is from about 0.02 to about 0.2; z is from about 0 to about 0.2; and n is from about 0 to about 1. Within the chemical formula, A is an alkali metal. The alkali metal includes potassium, rubidium, cesium, and any combination thereof. Within the chemical formula, M comprises an alkaline earth metal, a transition metal, a non-transition metal, and any combination thereof.Type: GrantFiled: February 1, 2021Date of Patent: September 19, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Jennifer A. Nelson, Paul Albert Christian, Stephen A. Hackney
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Publication number: 20230291042Abstract: A seal assembly for a battery cell comprises a cross-linked grommet having an opening. A current collector has a head and a stem extending from the head, the stem and the grommet forming an interference fit at the opening. The grommet comprises a cross-linked polymer. A method of manufacturing a battery cell with a cross-linked grommet comprises forming a grommet comprising a precursor polymer material, thereby forming a pre-formed grommet, exposing the pre-formed grommet comprising the precursor polymer material to a cross-linking treatment, thereby forming a cross-linked grommet, and incorporating the cross-linked grommet in a battery cell.Type: ApplicationFiled: March 9, 2022Publication date: September 14, 2023Applicant: DURACELL U.S. OPERATIONS, INC.Inventor: Alexander Shelekhin
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Patent number: 11740291Abstract: Included are embodiments for remotely determining a battery characteristic. Some embodiments include searching for a first wireless signal that identifies the energy storage device and, in response to receiving the first wireless signal, determining a current charge level of the energy storage device. Some embodiments include receiving a second wireless signal from the energy storage device, determining from the second wireless signal, whether the current charge level of the energy storage device reaches a predetermined threshold, and in response to determining that the current charge level of the energy storage device reaches the predetermined threshold, facilitating replacement of the battery.Type: GrantFiled: April 15, 2022Date of Patent: August 29, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Nancy Taylor Dempsey, Karen Coltharp McGinnis, Elizabeth Jane Wenzel, Mathias Amann, Jordan Todorov Bourilkov, Sergio Coronado Hortal, Jonathan Livingston Joyce, Faiz Feisal Sherman, Steven Jeffrey Specht
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Patent number: 11710977Abstract: A portable power bank for charging a rechargeable device is described, and a dynamic charging efficiency is monitored while the power bank is charging the rechargeable device. Particularly, instantaneous power output of a battery of the power bank is compared to power received by a battery of the rechargeable device to determine efficiency. The charging of the rechargeable device by the power bank is interrupted and/or resumed based upon the charging efficiency at any given time, thereby preventing inefficient use of the power bank.Type: GrantFiled: March 11, 2021Date of Patent: July 25, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Jordan Todorov Bourilkov, Sergio Coronado Hortal, Francisco Jose Restrepo, John Rotondo
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Patent number: 11696942Abstract: A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connector. The connector is electrically connected to the voltage sensor, and the connector is adapted to be removably connected to a battery, thereby providing an electrical connection between the voltage sensor and the battery. An electrical circuit is completed between the voltage sensor and the battery and the voltage sensor. The connection mechanism includes part of an electrical lock and key assembly.Type: GrantFiled: April 6, 2021Date of Patent: July 11, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Joern Riemer, Robert Pavlinsky, Jordan Bourilkov, Steven J. Specht, George Turco, Sergio Coronado
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Patent number: 11668757Abstract: A portable power bank including a rechargeable battery and/or a remote server may detect loss of capacity in the power bank battery. The power bank and/or remote server determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank and/or remote server compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank and/or remote server transmits an indication of the health value.Type: GrantFiled: March 11, 2021Date of Patent: June 6, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Jordan Todorov Bourilkov, Sergio Coronado Hortal, Francisco Jose Restrepo, John Rotondo
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Patent number: D991876Type: GrantFiled: December 31, 2020Date of Patent: July 11, 2023Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Kathleen Ann Baker, Tatiana Jouanneau, Natalie Denny, Michael Lafortezza, Paul Lafortezza, Cliff Fischer