公开(公告)号：US20250105283A1

公开(公告)日：2025-03-27

申请号：US18974556

申请日：2024-12-09

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen ,  Jonathan C. Doan ,  Michael J. Armstrong ,  Anthony Calcaterra ,  Benjamin L. Cardozo ,  Joshua David Winans ,  Neelam Singh ,  Jeffrey Glenn Buck ,  Thomas John Schuerlein ,  Kim Lester Fortunati ,  Neal Sarswat

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/134 ,  H01M4/38 ,  H01M4/48 ,  H01M4/66 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/46 ,  H01M50/54

Abstract: Embodiments of secondary batteries having electrode assemblies are provided. A secondary battery can comprise an electrode assembly having a stacked series of layers, the stacked series of layers having an offset between electrode and counter-electrode layers in a unit cell member of the stacked series. A set of constraints can be provided with a primary constraint system with first and second primary growth constraints separated from each other in a longitudinal direction, and connected by at least one primary connecting member, and a secondary constraint system comprises first and second secondary growth constraints separated in a second direction and connected by members of the stacked series of layers. The primary constraint system may at least partially restrain growth of the electrode assembly in the longitudinal direction, and the secondary constraint system may at least partially restrain growth in the second direction that is orthogonal to the longitudinal direction.

公开(公告)号：US20250046812A1

公开(公告)日：2025-02-06

申请号：US18794707

申请日：2024-08-05

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen ,  Jonathan C. Doan ,  Michael J. Armstrong ,  Anthony Calcaterra ,  Benjamin L. Cardozo ,  Joshua David Winans ,  Neelam Singh ,  Jeffrey Glenn Buck ,  Thomas John Schuerlein ,  Kim Lester Fortunati ,  Neal Sarswat

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/134 ,  H01M4/38 ,  H01M4/48 ,  H01M4/66 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/46 ,  H01M50/54

Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an offset between electrode and counter-electrode layers in a unit cell. Secondary batteries can be prepared by removing a population of negative electrode subunits from a negative electrode sheet, the negative electrode sheet comprising a negative electrode sheet edge margin and at least one negative electrode sheet weakened region that is internal to the negative electrode sheet edge margin, removing a population of separator layer subunits from a separator sheet, and removing a population of positive electrode subunits from a positive electrode sheet, the positive electrode sheet comprising a positive electrode edge margin and at least one positive electrode sheet weakened region that is internal to the positive electrode sheet edge margin, and stacking members of the negative electrode subunit population, the separator layer subunit population and the positive electrode subunit population.

公开(公告)号：US20240356061A1

公开(公告)日：2024-10-24

申请号：US18653443

申请日：2024-05-02

Applicant: Enovix Corporation

Inventor： Harrold J. Rust, III ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Robert M. Spotnitz ,  Robert A. Cole ,  Gunther A. Koblmiller ,  Nirav S. Shah ,  Brian E. Brusca ,  Christopher G. Castledine ,  Laurie J. Lauchlan ,  James D. Wilcox ,  Vladimir Dioumaev

IPC: H01M10/0525 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/525 ,  H01M4/587 ,  H01M4/66 ,  H01M4/70 ,  H01M10/04 ,  H01M10/052 ,  H01M10/058

CPC classification number: H01M10/0525 ,  H01M4/133 ,  H01M4/134 ,  H01M4/386 ,  H01M4/525 ,  H01M4/587 ,  H01M4/667 ,  H01M4/70 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/058

Abstract: An electrode structure for use in an energy storage device comprising a population of electrodes, a population of counter-electrodes and a microporous separator separating members of the electrode population from members of the counter-electrode population. Each member of the electrode population comprises an electrode active material layer and an electrode current conductor layer, and each member of the electrode population has a bottom, a top, a length LE, a width WE and a height HE, wherein the ratio of LE to each of WE and HE is at least 5:1, the ratio of HE to WE is between 0.4:1 and 1000:1, and the electrode current collector layer of each member of the electrode population has a length LC that is measured in the same direction as and is at least 50% of length LE.

公开(公告)号：US20240291012A1

公开(公告)日：2024-08-29

申请号：US18599952

申请日：2024-03-08

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Vladimir Dioumaev

IPC: H01M10/02 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/058 ,  H01M10/0585 ,  H01M10/44

CPC classification number: H01M10/02 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/058 ,  H01M10/0585 ,  H01M10/44 ,  H01M2004/021

Abstract: A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.

公开(公告)号：US11961952B2

公开(公告)日：2024-04-16

申请号：US17903250

申请日：2022-09-06

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Vladimir Dioumaev

IPC: H01M10/02 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/058 ,  H01M10/0585 ,  H01M10/44

CPC classification number: H01M10/02 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/058 ,  H01M10/0585 ,  H01M10/44 ,  H01M2004/021

Abstract: A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.

公开(公告)号：US11239488B2

公开(公告)日：2022-02-01

申请号：US16363242

申请日：2019-03-25

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton

IPC: H01M10/04 ,  H01M50/543 ,  H01M10/0525 ,  H01M4/02 ,  H01M50/411

Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.

公开(公告)号：US11205803B2

公开(公告)日：2021-12-21

申请号：US16257216

申请日：2019-01-25

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen

IPC: H01M10/0585 ,  H01M50/531 ,  H01M50/40

Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 μm≥|SZ1|≥5 μm.

公开(公告)号：US11063299B2

公开(公告)日：2021-07-13

申请号：US16349785

申请日：2017-11-16

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  James D. Wilcox ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  John F. Varni ,  Kim Han Lee ,  Richard J. Contreras ,  Thomas John Schuerlein ,  Ashok Lahiri

IPC: H01M10/058 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/42

Abstract: A secondary battery for cycling between a charged and a discharged state is provided. The secondary battery has an electrode assembly having a population of anode structures, a population of cathode structures, and an electrically insulating microporous separator material. The electrode assembly also has a set of electrode constraints that at least partially restrains growth of the electrode assembly. Members of the anode structure population have a first cross-sectional area, A1 when the secondary battery is in the charged state and a second cross-sectional area, A2, when the secondary battery is in the discharged state, and members of the cathode structure population have a first cross-sectional area, C1 when the secondary battery is in the charged state and a second cross-sectional area, C2, when the secondary battery is in the discharged state, where A1 is greater than A2, and C1 is less than C2.

公开(公告)号：US09362553B2

公开(公告)日：2016-06-07

申请号：US14334901

申请日：2014-07-18

Applicant: ENOVIX CORPORATION

Inventor： Ashok Lahiri ,  Robert M. Spotnitz ,  Nirav S. Shah ,  Murali Ramasubramanian ,  Harrold J. Rust, III ,  James D. Wilcox ,  Michael J. Armstrong ,  Brian E. Brusca ,  Christopher G. Castledine ,  Laurie J. Lauchlan

IPC: H01M4/13 ,  H01M4/134 ,  H01M10/052 ,  H01M4/1395 ,  H01M4/38 ,  H01G4/32 ,  H01G4/008 ,  H01G4/012 ,  H01G4/015 ,  H01M4/80 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0564 ,  H01M4/70 ,  H01M4/02 ,  B82Y30/00

CPC classification number: H01M4/134 ,  B82Y30/00 ,  H01G4/008 ,  H01G4/012 ,  H01G4/015 ,  H01G4/32 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/386 ,  H01M4/70 ,  H01M4/80 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0564 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/30 ,  H01M2300/0017 ,  Y02E60/122

Abstract: A structure for use in an energy storage device, the structure comprising a backbone system extending generally perpendicularly from a reference plane, and a population of microstructured anodically active material layers supported by the lateral surfaces of the backbones, each of the microstructured anodically active material layers having a void volume fraction of at least 0.1 and a thickness of at least 1 micrometer.

Abstract translation: 一种用于能量存储装置的结构，所述结构包括从参考平面大致垂直延伸的主体系统，以及由所述骨架的侧表面支撑的一组微结构的阳极活性材料层，所述微结构的阳极活性材料层 具有至少0.1的空隙体积分数和至少1微米的厚度。

公开(公告)号：US20250046879A1

公开(公告)日：2025-02-06

申请号：US18802173

申请日：2024-08-13

Applicant: Enovix Corporation

Inventor： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen

IPC: H01M10/0585 ,  H01M50/40 ,  H01M50/491 ,  H01M50/497 ,  H01M50/531 ,  H01M50/54

Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 μm≥|SZ1|≥5 μm.