Patents by Inventor Liwen Ji

Liwen Ji 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: 20250105255
    Abstract: Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a primary resin carbon precursor; wherein the primary resin carbon precursor comprises a water-soluble acidic polyamide imide functionalized with acidic groups and one or more polymeric stabilizing additives. The electrode coating layer may also include a base and/or a surfactant. The electrode coating layer may be more than 70% silicon.
    Type: Application
    Filed: October 8, 2024
    Publication date: March 27, 2025
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Patent number: 12243982
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising a cyclic organosilicon 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 cyclic organosilicon compound.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: March 4, 2025
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Patent number: 12224439
    Abstract: Electrodes, electrolytes and/or separators for energy storage devices comprising functional boron-containing chemicals 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. Functional boron-containing chemicals may serve as additives to one or more of the electrodes, electrolyte and/or separator.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: February 11, 2025
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Park, Hong Zhao
  • Patent number: 12211998
    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: Grant
    Filed: September 19, 2022
    Date of Patent: January 28, 2025
    Assignee: Enevate Corporation
    Inventors: Sanjaya Perera, Liwen Ji, Jeremy Chang, Benjamin Yong Park
  • Publication number: 20240429448
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising a carboxylic ether, a carboxylic acid based salt, or an acrylate electrolyte 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 carboxylic ethers, carboxylic acid based salts, and acrylates.
    Type: Application
    Filed: June 14, 2024
    Publication date: December 26, 2024
    Inventors: Liwen Ji, Benjamin Yong Park, Ian Browne, Tracy Ho, Sung Won Choi
  • Publication number: 20240429449
    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: June 24, 2024
    Publication date: December 26, 2024
    Inventors: Liwen Ji, Benjamin Yong Park
  • Publication number: 20240379951
    Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein the anode is a Si-dominant anode that utilizes water-soluble maleic anhydride- and/or maleic acid-containing polymers/co-polymers, derivatives, and/or combinations (with or without additives) as binders.
    Type: Application
    Filed: May 6, 2024
    Publication date: November 14, 2024
    Inventors: Liwen Ji, Younes Ansari, Sanjaya D. Perera, Benjamin Park
  • Publication number: 20240356083
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphorus 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 phosphorus based compound.
    Type: Application
    Filed: April 15, 2024
    Publication date: October 24, 2024
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson
  • Publication number: 20240339661
    Abstract: Electrode or electrolyte additives for energy storage devices comprising symmetrical or asymmetrical alkylsulfonyl imide or cyclic alkylene sulfonylimide salts 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. Symmetrical or asymmetrical alkylsulfonyl imide or cyclic alkylene sulfonylimide salts may serve as additives to the electrodes or to the electrolyte composition, or both.
    Type: Application
    Filed: March 25, 2024
    Publication date: October 10, 2024
    Inventors: Liwen Ji, Benjamin Park
  • Patent number: 12113200
    Abstract: Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a primary resin carbon precursor; wherein the primary resin carbon precursor comprises a water-soluble acidic polyamide imide functionalized with acidic groups and one or more polymeric stabilizing additives. The electrode coating layer may also include a base and/or a surfactant. The electrode coating layer may be more than 70% silicon.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: October 8, 2024
    Assignee: Enevate Corporation
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20240332628
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising cyanate 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 cyanate based compound.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 3, 2024
    Inventors: Liwen Ji, Benjamin Yong Park, Younes Ansari, Hong Zhao
  • Publication number: 20240290943
    Abstract: Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and pyrolyzed water-soluble acidic polyamide imide as a primary resin carbon precursor. The electrode coating layer may include a pyrolyzed water-based acidic polymer solution additive. The polymer solution additive may include one or more of: polyacrylic acid (PAA) solution, poly (maleic acid, methyl methacrylate/methacrylic acid, butadiene/maleic acid) solutions, and water soluble polyacrylic acid. The electrode coating layer may include conductive additives. The current collector may include a metal foil, where the metal current collector includes one or more of a copper, tungsten, stainless steel, and nickel foil in electrical contact with the electrode coating layer. The electrode coating layer may be more than 70% silicon.
    Type: Application
    Filed: March 5, 2024
    Publication date: August 29, 2024
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Patent number: 12051806
    Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, where prelithiation reagents are utilized to treat one or more of the anode and cathode. In one embodiment, the prelithiation reagent is a Li-organic complex solution comprising naphthalene and metallic lithium dissolved in an inhibitor-free THF.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: July 30, 2024
    Assignee: Enevate Corporation
    Inventors: Younes Ansari, Liwen Ji, Heidi Anderson, Benjamin Park, Vincent Giordani
  • Patent number: 12021194
    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: Grant
    Filed: October 4, 2022
    Date of Patent: June 25, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Patent number: 12015122
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising a carboxylic ether, a carboxylic acid based salt, or an acrylate electrolyte 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 carboxylic ethers, carboxylic acid based salts, and acrylates.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: June 18, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Ian Browne, Tracy Ho, Sung Won Choi
  • Publication number: 20240178446
    Abstract: Systems and methods for an ultra-high voltage cobalt-free cathode for alkali ion batteries may include an anode, a cathode, and a separator, with the cathode comprising an active material ANi(1-x)MnxSbOy, where x is a number between 0.0 and 1.0, y is an integer, and A comprises one or more of lithium, sodium, and potassium. The anode may include one or more of an alkali metal, silicon, and carbon. In one example, x is a value in the range between 0.05 and 0.9 and y is a value in the range between 1 and 8 where a specific capacity of the active material is greater than 50 milliamp-hours per gram. In another example, x is a value in the range between 0.4 and 0.6 and y is a value in the range between 1 and 8, where a specific capacity of the active material is greater than 70 milliamp-hours per gram.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 30, 2024
    Inventors: Younes Ansari, Liwen Ji, Jill Renee Pestana, Benjamin Park
  • Patent number: 11978894
    Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein the anode is a Si-dominant anode that utilizes water-soluble maleic anhydride- and/or maleic acid-containing polymers/co-polymers, derivatives, and/or combinations (with or without additives) as binders.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 7, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Younes Ansari, Sanjaya D. Perera, Benjamin Park
  • Patent number: 11961967
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphorus 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 phosphorus based compound.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 16, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson
  • Patent number: 11949072
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising cyanate 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 cyanate based compound.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: April 2, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Younes Ansari, Hong Zhao
  • Patent number: 11942599
    Abstract: Electrode or electrolyte additives for energy storage devices comprising symmetrical or asymmetrical alkylsulfonyl imide or cyclic alkylene sulfonylimide salts 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. Symmetrical or asymmetrical alkylsulfonyl imide or cyclic alkylene sulfonylimide salts may serve as additives to the electrodes or to the electrolyte composition, or both.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: March 26, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Park