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).

  • SILICON-BASED ENERGY STORAGE DEVICES WITH LINEAR CARBONATE CONTAINING ELECTROLYTE ADDITIVES
    Publication number: 20230115890
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising linear carbonate compounds.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 13, 2023
    Inventors: Liwen Ji, Benjamin Yong Park, Sung Won Choi, Heidi Anderson
  • SILICON-BASED ENERGY STORAGE DEVICES WITH ELECTROLYTE CONTAINING A BENZOYL PEROXIDE BASED COMPOUND
    Publication number: 20230103958
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising benzoyl peroxide 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 benzoyl peroxide based compound.
    Type: Application
    Filed: October 4, 2022
    Publication date: April 6, 2023
    Inventors: Liwen Ji, Benjamin Yong Park
  • PHOSPHORUS-CONTAINING COMPOUNDS AS ADDITIVES FOR SILICON-BASED LI ION BATTERIES
    Publication number: 20230108463
    Abstract: Additives for energy storage devices comprising phosphorus-containing compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, where 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. Phosphorus-containing compounds may serve as additives to the first electrode, the second electrode and/or the electrolyte, as well as the separator.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 6, 2023
    Inventors: Liwen Ji, Benjamin Yong Park
  • SILICON-BASED ENERGY STORAGE DEVICES WITH PHOSPHAZENE CONTAINING ELECTROLYTE ADDITIVES
    Publication number: 20230094087
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphazene 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 phosphazene based compound.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 30, 2023
    Inventors: Liwen Ji, Benjamin Yong Park
  • SILICON-BASED ENERGY STORAGE DEVICES WITH CYCLIC CARBONATE CONTAINING ELECTROLYTE ADDITIVES
    Publication number: 20230099618
    Abstract: Electrolytes and electrolyte additives for use in energy storage devices, comprising cyclic carbonate compounds.
    Type: Application
    Filed: August 9, 2022
    Publication date: March 30, 2023
    Inventors: Liwen Ji, Heidi Anderson, Benjamin Yong Park
  • Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells
    Patent number: 11616219
    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: Grant
    Filed: November 9, 2021
    Date of Patent: March 28, 2023
    Assignee: Enevate Corporation
    Inventors: Benjamin Yong Park, Ian R. Browne, Stephen W. Schank, Steve Pierce
  • CATALYSTS AND METHODS FOR LOWERING ELECTRODE PYROLYSIS TEMPERATURE
    Publication number: 20230081140
    Abstract: Systems and methods are disclosed that provide for pyrolysis reactions to be performed at reduced temperatures that convert non-conductive precursor polymers to conductive carbon suitable for use in electrode materials, which may be incorporated into a cathode, an electrolyte, and an anode, where the pyrolysis method may include one or more catalysts or reactive reagents.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 16, 2023
    Inventors: Ian Browne, Benjamin Yong Park, Giulia Canton, Fred Bonhomme
  • Silicon-based energy storage devices with functional terthiophene compound or thiophene oligomer compound containing electrolyte additives
    Patent number: 11605813
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising thiophene 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, and at least one electrolyte additive selected from a thiophene compound. In some embodiments, the thiophene compound is a terthiophene or a thiophene oligomer.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: March 14, 2023
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Sacrificial substrates for silicon-carbon composite materials
    Patent number: 11605806
    Abstract: Methods of forming a composite material film can include providing a layer comprising a carbon precursor and silicon particles on a sacrificial substrate. The methods can also include pyrolysing the carbon precursor to convert the precursor into one or more types of carbon phases to form the composite material film, whereby the sacrificial substrate has a char yield of about 10% or less.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 14, 2023
    Assignee: ENEVATE CORPORATION
    Inventors: Ian Russell Browne, Rahul R. Kamath, Monika Chhorng, Benjamin Yong Park
  • Prelithiated and methods for prelithiating an energy storage device
    Patent number: 11600818
    Abstract: The present disclosure relates to prelithiated Si electrodes, methods of prelithiating Si electrodes, and use of prelithiated electrodes in electrochemical devices are described. There are several characteristics of electrode prelithiation that enable the superior battery performance. First, a prelithiated silicon anode is already in its expanded state during SEI formation, and therefore less of the SEI layer breaks down and reforms during cycling. Second, the prelithiated anode has a lower anode potential, which may also help the cycle performance of an electrochemical device.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: March 7, 2023
    Assignee: ENEVATE CORPORATION
    Inventors: Benjamin Yong Park, Frederic Bonhomme, Shiang Jen Teng, Victor E. House
  • Aqueous-based solid polymer suspensions in a polymer solution as a binder for Si dominant anodes
    Patent number: 11594733
    Abstract: Systems and methods utilizing aqueous-based polymer binders for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and an aqueous-based suspension-solution binder composition comprising a water soluble (aqueous-based) polymer as part of a multi-component binder composition that also contains an water insoluble polymer. The electrode coating layer may include more than 70% silicon and the anode may be in a lithium ion battery.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 28, 2023
    Assignee: Enevate Corporation
    Inventors: Sanjaya Perera, Benjamin Yong Park, Rahul Kamath, Younes Ansari
  • Silicon-based energy storage devices with functional thiophene compounds or derivatives of thiophene containing electrolyte additives
    Patent number: 11569530
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising functional thiophene 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, and at least one electrolyte additive selected from a thiophene compound.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: January 31, 2023
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Younes Ansari, Giulia Canton
  • METHOD AND SYSTEM FOR AROMATIC MACROCYCLIC COMPOUNDS (PHTHALOCYANINES) AS CATHODE ADDITIVES FOR INHIBITION OF TRANSITION METAL DISSOLUTION AND STABLE SOLID ELECTROLYTE INTERPHASE FORMATION
    Publication number: 20230016274
    Abstract: Systems and methods for aromatic macrocyclic compounds (Phthalocyanines) as cathode additives for inhibition of transition metal dissolution and stable solid electrolyte interphase formation may include an anode, an electrolyte, and a cathode, where the cathode comprises an active material and a phthalocyanine additive, the additive being coordinated with different metal cationic center and functional groups. The active material may comprise one or more of: nickel cobalt aluminum oxide, nickel cobalt manganese oxide, lithium iron phosphate, lithium cobalt oxide, and lithium manganese oxide, Ni-rich layered oxides LiNi1-xMxO2 where M=Co, Mn, or Al, Li-rich xLi2MnO3(1-x)LiNiaCobMncO2, Li-rich layered oxides LiNi1+xM1?xO2 where M=Co, Mn, or Ni, and spinel oxides LiNi0.5Mn1.5O4.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Inventors: Sanjaya Perera, Liwen Ji, Jeremy Chang, Benjamin Yong Park
  • SURFACE MODIFICATION OF SILICON-CONTAINING ELECTRODES USING CARBON DIOXIDE
    Publication number: 20230006192
    Abstract: Various implementations of a method of forming an electrochemical cell include providing a first electrode, a second electrode, a separator between the first and second electrodes, and an electrolyte in a cell container. The first electrode can include silicon-dominant electrochemically active material. The silicon-dominant electrochemically active material can include greater than 50% silicon by weight. The method can also include exposing at least a part of the electrochemical cell to CO2, and forming a solid electrolyte interphase (SEI) layer on the first electrode using the CO2.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Inventors: Heidi Anderson, Benjamin Yong Park, Frederic Bonhomme
  • SILICON-BASED ENERGY STORAGE DEVICES WITH FUNCTIONALIZED LINEAR SULFONATE ESTER DERIVATIVE COMPOUND CONTAINING ELECTROLYTE ADDITIVES
    Publication number: 20230006252
    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: Application
    Filed: August 29, 2022
    Publication date: January 5, 2023
    Inventors: Liwen Ji, Benjamin Yong Park
  • Electrolyte additives containing one, two, or more triple-bonded moieties for silicon anode-based li-ion batteries
    Patent number: 11539077
    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: Grant
    Filed: October 25, 2021
    Date of Patent: December 27, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson, Sung Won Choi
  • Silicon particles for battery electrodes
    Patent number: 11539041
    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: Grant
    Filed: April 15, 2022
    Date of Patent: December 27, 2022
    Assignee: ENEVATE CORPORATION
    Inventors: Benjamin Yong Park, Jill R. Pestana, Xiaohua Liu, Frederic Bonhomme
  • Si-anode-based semi-solid cells with solid separators
    Patent number: 11532851
    Abstract: Energy storage devices comprising a solid-state electrolyte/separator are disclosed. The storage device comprises an anode and a cathode, wherein the anode is a Si-dominant electrode, a solid-state separator between the first electrode and the second electrode wherein the separator comprises an inorganic solid-state material. The energy storage devices may also comprise a small amount of standard liquid electrolyte.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: December 20, 2022
    Assignee: Enevate Corporation
    Inventors: Benjamin Yong Park, Liwen Ji
  • Clamping device for an electrochemical cell stack
    Patent number: 11532833
    Abstract: A clamping device for an electrochemical cell stack is provided. The clamping device can include a first plate and a second plate. The second plate can be positionable relative to the first plate such that a space between the first plate and the second plate can be sized to receive an electrochemical cell stack. The device also can include a coupling member coupling the first plate to the second plate. At least one of the first and second plates can be movable away from the other plate. The coupling member can have a first end portion and a second end portion. The device further can include an elastic member disposed between the first end portion and the second end portion.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: December 20, 2022
    Assignee: Enevate Corporation
    Inventors: Genis Turon Teixidor, Stephen W. Schank, Benjamin Yong Park, Rabih Bachir Zaouk
  • Silicon-based energy storage devices with phosphazene containing electrolyte additives
    Patent number: 11522223
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphazene 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 phosphazene based compound.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 6, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park