Patents by Inventor Benjamin Yong Park

Benjamin Yong Park 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).

  • METHODS OF FORMING ELECTROCHEMICAL CELLS
    Publication number: 20220285670
    Abstract: Methods of forming electrochemical cells are described. In some implementations, the method can include providing an electrochemical cell having an electrode including electrochemically active material with at least about 20% to about 100% by weight of silicon. The method can include charging the electrochemical cell by providing a formation charge current at about 1 C or greater to the electrochemical cell. The method can also include discharging the electrochemical cell. In various implementations, substantially no rest of greater than about 5 minutes occurs between charging and discharging.
    Type: Application
    Filed: January 22, 2020
    Publication date: September 8, 2022
    Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
  • SILICON-BASED ENERGY STORAGE DEVICES WITH ELECTROLYTE CONTAINING DIHYDROFURANONE BASED COMPOUND
    Publication number: 20220285733
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising dihydrofuranone based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a dihydrofuranone based compound.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Hong Zhao, Liwen Ji, Heidi Anderson, Benjamin Yong Park
  • METHODS FOR PRELITHIATION OF SILICON CONTAINING ELECTRODES
    Publication number: 20220278316
    Abstract: The present application describes a method of forming an energy storage device that directly adds a lithium layer (such as a lithium foil or otherwise deposited lithium) into the cell stack during cell assembly for prelithiating. The method includes providing a silicon-based anode, providing a cathode, positioning a separator between the anode and the cathode, and disposing a lithium layer between the silicon-based anode and the separator, such that the lithium layer is in contact with the anode.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 1, 2022
    Inventors: Shiang Jen Teng, Xiaohua Liu, David J. Lee, Tracy Ho, Mai Vietnam, Benjamin Yong Park, Frederic Bonhomme
  • Silicon-based energy storage devices with functionalized linear sulfonate ester derivative compound containing electrolyte additives
    Patent number: 11431029
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising a sulfonate ester compound are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from a sulfonate ester compound.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 30, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Silicon-based energy storage devices with cyclic carbonate containing electrolyte additives
    Patent number: 11411249
    Abstract: Electrolytes and electrolyte additives for use in energy storage devices, comprising cyclic carbonate compounds.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: August 9, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Heidi Anderson, Benjamin Yong Park
  • SILICON PARTICLES FOR BATTERY ELECTRODES
    Publication number: 20220246907
    Abstract: Silicon particles for use in an electrode in an electrochemical cell are provided. The silicon particles may have outer regions extending about 20 nm deep from the surfaces, the outer regions comprising an amount of aluminum such that a bulk measurement of the aluminum comprises at least about 0.01% by weight of the silicon particles. The bulk measurement of the aluminum may provide the amount of aluminum present at least in the outer regions.
    Type: Application
    Filed: April 15, 2022
    Publication date: August 4, 2022
    Inventors: Benjamin Yong Park, Jill R. Pestana, Xiaohua Liu, Frederic Bonhomme
  • METHODS OF FORMING ELECTROCHEMICAL CELLS
    Publication number: 20220238910
    Abstract: Methods and systems for forming electrochemical cells are provided. An electrochemical cell may be provided, with the electrochemical cell including a first electrode, a second electrode, a separator between the first electrode and the second electrode, and an electrolyte. At least the first electrode is a silicon-dominant electrode. A formation process may be used for the electrochemical cell, with the processing including at least a charge step that includes providing a formation charge current at greater than about 1C to the electrochemical cell, where providing the formation charge current includes charging to a partial formation.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Inventors: Benjamin Yong Park, Ian Russell Browne, Heidi Leighette Anderson
  • Silicon-based energy storage devices with silicon containing electrolyte additives
    Patent number: 11398641
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising a silicon compound are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from a silicon compound.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: July 26, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • ELECTROCHEMICALLY ACTIVE MATERIALS AND METHODS OF PREPARING THE SAME
    Publication number: 20220216464
    Abstract: Methods of preparing an electrochemically active material can include providing electrochemically active particles, coating the particles with a binder, and exposing the particles to a source of metal. The methods can also include forming metal salt on the surface of the particles from the source of metal and heating the metal salt to form metal oxide coated particles.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Inventors: Sanjaya Perera, Benjamin Yong Park, Jill Pestana
  • Surface modification of silicon particles for electrochemical storage
    Patent number: 11380890
    Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight silicon particles, the silicon particles having an average particle size between about 10 nm and about 40 ?m, wherein the silicon particles have surface coatings comprising silicon carbide or a mixture of carbon and silicon carbide, and greater than 0% and less than about 90% by weight of one or more types of carbon phases, wherein at least one of the one or more types of carbon phases is a substantially continuous phase.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: July 5, 2022
    Assignee: Enevate Corporation
    Inventors: Wei Wang, Benjamin Yong Park, Ian Russell Browne
  • SILICON PARTICLES FOR BATTERY ELECTRODES
    Publication number: 20220181603
    Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Inventors: Benjamin Yong Park, Alexander Gorkovenko, Rabih Bachir Zaouk, William Hubert Schank, Genis Turon Teixidor, Lothar Steffens
  • Binding agents for electrochemically active materials and methods of forming the same
    Patent number: 11355748
    Abstract: In some embodiments, an electrode can include a current collector, a composite material in electrical communication with the current collector, and at least one phase configured to adhere the composite material to the current collector. The current collector can include one or more layers of metal, and the composite material can include electrochemically active material. The at least one phase can include a compound of the metal and the electrochemically active material. In some embodiments, a composite material can include electrochemically active material. The composite material can also include at least one phase configured to bind electrochemically active particles of the electrochemically active material together. The at least one phase can include a compound of metal and the electrochemically active material.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: June 7, 2022
    Assignee: Enevate Corporation
    Inventors: David J. Lee, Xiaohua Liu, Monika Chhorng, Jeff Swoyer, Benjamin Yong Park, Rahul R. Kamath
  • ELECTRODES, ELECTROCHEMICAL CELLS, AND METHODS OF FORMING ELECTRODES AND ELECTROCHEMICAL CELLS
    Publication number: 20220173372
    Abstract: Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Benjamin Yong Park, Ian R. Browne, Stephen W. Schank, Steve Pierce
  • SILICON PARTICLES FOR BATTERY ELECTRODES
    Publication number: 20220173376
    Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Benjamin Yong Park, Alexander Gorkovenko, Rabih Bachir Zaouk, William Hubert Schank, Genis Turon Teixidor, Lothar Steffens
  • ELECTRODES, ELECTROCHEMICAL CELLS, AND METHODS OF FORMING ELECTRODES AND ELECTROCHEMICAL CELLS
    Publication number: 20220173373
    Abstract: Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Inventors: Benjamin Yong Park, Ian R. Browne, Stephen W. Schank, Steve Pierce
  • Silicon-based energy storage devices with ether containing electrolyte additives
    Patent number: 11349153
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising an ether compound are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from ether compounds.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: May 31, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson, Sung Won Choi
  • Methods for prelithiation of silicon containing electrodes
    Patent number: 11342553
    Abstract: The present application describes a method of forming an energy storage device that directly adds a lithium layer (such as a lithium foil or otherwise deposited lithium) into the cell stack during cell assembly for prelithiating. The method includes providing a silicon-based anode, providing a cathode, positioning a separator between the anode and the cathode, and disposing a lithium layer between the silicon-based anode and the separator, such that the lithium layer is in contact with the anode.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: May 24, 2022
    Assignee: ENEVATE CORPORATION
    Inventors: Shiang Jen Teng, Xiaohua Liu, David J. Lee, Tracy Ho, Mai Vietnam, Benjamin Yong Park, Frederic Bonhomme
  • Silicon-based energy storage devices with electrolyte containing dihydrofuranone based compound
    Patent number: 11342588
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising dihydrofuranone based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a dihydrofuranone based compound.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 24, 2022
    Assignee: Enevate Corporation
    Inventors: Hong Zhao, Liwen Ji, Heidi Anderson, Benjamin Yong Park
  • FUNCTIONAL EPOXIDES IN CATALYST-BASED ELECTROLYTE COMPOSITIONS FOR LI-ION BATTERIES
    Publication number: 20220140392
    Abstract: Electrolyte additives for energy storage devices comprising functional epoxides compounds are disclosed. Catalysts may be combined with the functional epoxides to create bi-component electrolyte additive systems, which can be utilized as additives to an electrolyte composition. The energy storage device may comprise a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 5, 2022
    Inventors: Liwen Ji, Benjamin Yong Park
  • ELECTROLYTE ADDITIVES CONTAINING ONE, TWO, OR MORE TRIPLE-BONDED MOIETIES FOR SILICON ANODE-BASED LI-ION BATTERIES
    Publication number: 20220131195
    Abstract: Electrolyte additives for energy storage devices comprising compounds containing one, two, or more triple-bonded moieties are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition. Compounds containing one, two, or more triple-bonded moieties may serve as additives to the electrolyte composition.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson, Sung Won Choi