公开(公告)号：US20240178446A1

公开(公告)日：2024-05-30

申请号：US18545573

申请日：2023-12-19

申请人： Enevate Corporation

发明人： Younes Ansari ,  Liwen Ji ,  Jill Renee Pestana ,  Benjamin Park

IPC分类号： H01M10/0565 ,  H01M4/134 ,  H01M4/38 ,  H01M10/0525

CPC分类号： H01M10/0565 ,  H01M4/134 ,  H01M4/386 ,  H01M10/0525 ,  H01M2300/0082

摘要： 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.

公开(公告)号：US11923506B2

公开(公告)日：2024-03-05

申请号：US17828768

申请日：2022-05-31

申请人： Enevate Corporation

发明人： Liwen Ji ,  Benjamin Yong Park ,  Heidi Anderson ,  Sung Won Choi

IPC分类号： H01M10/0567 ,  H01G11/30 ,  H01G11/32 ,  H01G11/58 ,  H01G11/64 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M10/0567 ,  H01G11/30 ,  H01G11/32 ,  H01G11/58 ,  H01G11/64 ,  H01M4/134 ,  H01M4/362 ,  H01M4/386 ,  H01M4/625 ,  H01M10/0525 ,  H01M2300/0025 ,  H01M2300/0034

摘要： 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.

公开(公告)号：US11876158B2

公开(公告)日：2024-01-16

申请号：US16452245

申请日：2019-06-25

申请人： Enevate Corporation

发明人： Younes Ansari ,  Liwen Ji ,  Jill Renee Pestana ,  Benjamin Park

IPC分类号： H01M10/04 ,  H01M10/054 ,  H01M4/136 ,  H01M4/04 ,  H01M4/58

CPC分类号： H01M10/049 ,  H01M4/0459 ,  H01M4/136 ,  H01M4/58 ,  H01M10/054 ,  H01M4/0404

摘要： 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.

公开(公告)号：US11749839B2

公开(公告)日：2023-09-05

申请号：US17963447

申请日：2022-10-11

申请人： Enevate Corporation

发明人： Liwen Ji ,  Benjamin Yong Park

IPC分类号： H01M10/00 ,  H01M10/0567 ,  H01M4/134 ,  H01M4/38 ,  H01M4/62 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M10/0567 ,  H01M4/134 ,  H01M4/386 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2300/0034 ,  H01M2300/0037

摘要： Electrolytes and electrolyte additives for energy storage devices comprising sulfonate or carboxylate salt 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 sulfonate or carboxylate salt based compound.

公开(公告)号：US11710829B2

公开(公告)日：2023-07-25

申请号：US17339666

申请日：2021-06-04

申请人： Enevate Corporation

发明人： Sanjaya D. Perera ,  Liwen Ji ,  Younes Ansari ,  Benjamin Park

IPC分类号： H01M4/62 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/66 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/02

CPC分类号： H01M4/621 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/027

摘要： 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.

公开(公告)号：US20230101934A1

公开(公告)日：2023-03-30

申请号：US17464326

申请日：2021-09-01

申请人： Enevate Corporation

发明人： Liwen Ji ,  Benjamin Park ,  Ho Jung Yang

IPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/38 ,  C08L5/16 ,  H01M4/04 ,  H01M4/66

摘要： Additives for energy storage devices comprising cyclodextrin-based compounds and their derivatives 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. Cyclodextrin-based compounds may serve as additives to the first electrode, the second electrode, and/or the electrolyte.

公开(公告)号：US11605813B2

公开(公告)日：2023-03-14

申请号：US16889637

申请日：2020-06-01

申请人： Enevate Corporation

发明人： Liwen Ji ,  Benjamin Yong Park

IPC分类号： H01M4/38 ,  H01M4/36 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01G11/00 ,  H01G11/06 ,  H01G11/64

摘要： 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.

公开(公告)号：US11548991B2

公开(公告)日：2023-01-10

申请号：US17172955

申请日：2021-02-10

申请人： Enevate Corporation

发明人： Ian Russell Browne ,  Liwen Ji ,  Rahul R. Kamath ,  Monika Chhorng

IPC分类号： H01M4/02 ,  C08J5/18 ,  C08K5/32 ,  C08K9/06 ,  C08K3/02 ,  H01M4/36 ,  H01M4/13 ,  H01M4/04 ,  H01M4/38 ,  H01M4/583 ,  H01M10/052 ,  C08K5/5419

摘要： Methods of forming a composite material film can include providing a mixture comprising a precursor and silane-treated silicon particles. The methods can also include pyrolysing the mixture to convert the precursor into one or more carbon phases to form the composite material film with the silicon particles distributed throughout the composite material film.

公开(公告)号：US11522223B2

公开(公告)日：2022-12-06

申请号：US16666106

申请日：2019-10-28

申请人： ENEVATE CORPORATION

发明人： Liwen Ji ,  Benjamin Yong Park

IPC分类号： H01M10/0567 ,  C07F9/6593 ,  C07F9/6581 ,  C07F9/6596 ,  H01M4/38 ,  H01M10/0569 ,  H01M4/02

摘要： 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.

公开(公告)号：US11431027B1

公开(公告)日：2022-08-30

申请号：US17507379

申请日：2021-10-21

申请人： Enevate Corporation

发明人： Liwen Ji ,  Benjamin Park

IPC分类号： H01M10/0565 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/38

摘要： Single Li-ion conducting solid-state polymer electrolytes for use in energy storage devices 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. Electrolytes may include all-solid-state polymer electrolytes, quasi-solid polymer electrolytes and/or polymer gel electrolytes. The single Li-ion conducting solid-state polymer electrolytes can improve the electrochemical performances and safety of Si anode-based Li-ion batteries.