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: 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
  • Publication number: 20220140314
    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: January 18, 2022
    Publication date: May 5, 2022
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20220131148
    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: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Liwen Ji, Benjamin Park, Hong Zhao
  • Publication number: 20220131193
    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: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Liwen Ji, Benjamin Park
  • 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
  • Publication number: 20220131194
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising metal amide bases 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 comprising at least one electrolyte additive comprising a metal amide base compound.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Liwen Ji, Benjamin Park, Younes Ansari
  • Patent number: 11283069
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising fluorinated cyclic compounds.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: March 22, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Publication number: 20220052380
    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: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Inventors: Liwen Ji, Benjamin Yong Park
  • Patent number: 11233230
    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: Grant
    Filed: October 9, 2020
    Date of Patent: January 25, 2022
    Assignee: Enevate Corporation
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20220013782
    Abstract: Systems and methods for water based phenolic 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 a pyrolyzed water-based phenolic binder. The water-based phenolic binder may include phenolic/resol type polymers crosslinked with poly(methyl vinyl ether-alt-maleic anhydride), poly(methyl vinyl ether-alt-maleic acid), and/or Poly(acrylamide-co-diallyldimethylammonium chloride) (PDADAM). The electrode coating layer may further include conductive additives. The current collector may comprise 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 include more than 70% silicon. The electrode may be in electrical and physical contact with an electrolyte, where the electrolyte includes a liquid, solid, or gel. The battery electrode may be in a lithium ion battery.
    Type: Application
    Filed: June 4, 2021
    Publication date: January 13, 2022
    Inventors: Sanjaya D. Perera, Liwen Ji, Younes Ansari, Benjamin Park
  • Publication number: 20220013768
    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: August 10, 2021
    Publication date: January 13, 2022
    Inventors: Liwen Ji, Younes Ansari, Sanjaya D. Perera, Benjamin Park
  • Publication number: 20210384488
    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: October 9, 2020
    Publication date: December 9, 2021
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20210384487
    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: May 27, 2021
    Publication date: December 9, 2021
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20210384495
    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: April 27, 2021
    Publication date: December 9, 2021
    Inventors: Younes Ansari, Liwen Ji, Benjamin Park
  • Publication number: 20210344013
    Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein one or both electrodes contain a functional lithiated agent-containing additive.
    Type: Application
    Filed: April 27, 2020
    Publication date: November 4, 2021
    Inventors: Liwen JI, Younes Ansari, Benjamin Park
  • Publication number: 20210344047
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising fluorinated polymers.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Inventors: Liwen Ji, Benjamin Yong Park, Heidi Anderson
  • Patent number: 11165099
    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: December 21, 2018
    Date of Patent: November 2, 2021
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Publication number: 20210336268
    Abstract: Systems and methods for conductive polymer monomers as cathode additives for silicon-based lithium ion batteries may include a silicon-based anode, an electrolyte, and a cathode. The cathode may include an active material and small amounts of dispersed conductive polymer monomer additive. The cathode active material may include one or more of nickel cobalt aluminum oxide (NCA), nickel cobalt manganese oxide (NCM), lithium iron phosphate (LFP), lithium cobalt oxide (LCO), and lithium manganese oxide (LMO). The conductive polymer monomer additive may any known monomer based on thiophene, aniline, and/or pyrrole core structures alone or in combination. The conductive polymer monomer additive may comprise 5% or less by weight of the active material, or 1% or less by weight of the active material, or 0.5% or less by weight of the active material.
    Type: Application
    Filed: April 27, 2020
    Publication date: October 28, 2021
    Inventors: Liwen Ji, Benjamin Park, Jose Vega
  • Publication number: 20210328256
    Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein functional aliphatic and/or aromatic amine compounds or derivatives are used as electrolyte additives to reduce gas generation in Li-ion batteries.
    Type: Application
    Filed: May 7, 2021
    Publication date: October 21, 2021
    Inventors: Liwen Ji, Benjamin Park
  • Publication number: 20210313578
    Abstract: Systems and methods for clay minerals as cathode, silicon anode, or separator additives in lithium-ion batteries may include an anode, an electrolyte, and a cathode, where the cathode comprises an active material and a clay additive. The active material may include one or more of nickel cobalt aluminum oxide (NCA), nickel cobalt manganese oxide (NCM), NCMA, lithium iron phosphate (LFP), lithium cobalt oxide (LCO), and lithium manganese oxide (LMO), 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. The clay additive may include a Kaolin group clay mineral, where the Kaolin group clay mineral includes Kaolinite or Halloysite. The clay additive may comprise one or more of a Smectite group clay mineral, an Illite group clay mineral, and a Chlorite group clay material. The anode may include graphite and/or graphene.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 7, 2021
    Inventors: Liwen Ji, Sanjaya D. Perera, Benjamin Park