公开(公告)号：US12261324B2

公开(公告)日：2025-03-25

申请号：US18604044

申请日：2024-03-13

Applicant: StoreDot, Ltd.

Inventor： Daniel Aronov ,  Nir Kedem ,  Yaron Idesis ,  Dan Corfas ,  Assaf Zehavi ,  Zvi Ioffe

IPC: H01M50/491 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/136 ,  H01M4/36 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/44 ,  H01M50/417 ,  H01M50/426 ,  H01M50/434 ,  H01M50/446 ,  H01M50/451 ,  H01M4/587 ,  H01M10/0568 ,  H01M10/42

Abstract: Rechargeable battery cells and methods for extreme fast charging are disclosed. For example, such a rechargeable battery cell might be chargeable to at least 70% of usable capacity within 15 minutes. Such a rechargeable battery cell may include an anode having at least one surface with a reversible areal capacity, after formation, up to 8.0 mAh/cm2, and a cathode having at least one surface with a reversible areal capacity, after formation, up to 6 mAh/cm2, wherein a ratio of areal capacity of the at least one surface of the anode to the at least one surface of the cathode is between 1.15 to 1.45. Methods of charging rechargeable battery cells disclosed herein under conditions sufficient to enable charging of at least 70% of usable capacity to the rechargeable battery cell within 15 minutes, are also disclosed.

公开(公告)号：US20240313358A1

公开(公告)日：2024-09-19

申请号：US18604017

申请日：2024-03-13

Applicant: StoreDot, Ltd.

Inventor： Daniel Aronov ,  Nir Kedem ,  Yaron Idesis ,  Dan Corfas ,  Assaf Zehavi ,  Zvi Ioffe

IPC: H01M50/491 ,  H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/44

CPC classification number: H01M50/491 ,  H01M4/0404 ,  H01M4/364 ,  H01M4/386 ,  H01M4/583 ,  H01M10/0567 ,  H01M2004/027 ,  H01M10/0525 ,  H01M10/44

Abstract: Rechargeable battery cells and methods for extreme fast charging are disclosed. For example, such a rechargeable battery cell might be chargeable to at least 70% of usable capacity within 15 minutes. Such a rechargeable battery cell may include an anode having a conductive current collector coated with a composite containing a carbon-based material, a cathode configured as a source of Li ions, an electrolyte capable of carrying Li-ions between the anode and the cathode, and a separator between the anode and the cathode, the separator having a thickness of less than 20 microns. Methods of charging the rechargeable battery cells are also disclosed.

公开(公告)号：US11658279B2

公开(公告)日：2023-05-23

申请号：US16735737

申请日：2020-01-07

Applicant: Storedot Ltd.

Inventor： Ivgeni Shterenberg ,  Eran Sella ,  Eynat Matzner ,  Shirel Cohen ,  Hadar Mazor Shafir ,  Daniel Aronov

IPC: H01M4/04 ,  H01M4/1395 ,  H01M4/38 ,  H01M10/0525 ,  H01M10/02 ,  H01M4/02

CPC classification number: H01M4/0445 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/387 ,  H01M10/02 ,  H01M10/0525 ,  H01M2004/027

Abstract: Prelithiation methods and fast charging lithium ion cell are provided, which combine high energy density and high power density. Several structural and chemical modifications are disclosed to enable combination of features that achieve both goals simultaneously in fast charging cells having long cycling lifetime. The cells have anodes with high content of Si, Ge and/or Sn as principal anode material, and cathodes providing a relatively low C/A ratio, with the anodes being prelithiated to have a high lithium content, provided by a prelithiation algorithm. Disclosed algorithms determine lithium content achieved through prelithiation by optimizing the electrolyte to increase cycling lifetime, adjusting energy density with respect to other cell parameters, and possibly reducing the C/A ratio to maintain the required cycling lifetime.

公开(公告)号：US20220123574A1

公开(公告)日：2022-04-21

申请号：US17452401

申请日：2021-10-26

Applicant: STOREDOT LTD.

Inventor： Zvi Ioffe ,  Dan Corfas ,  Daniel Aronov

IPC: H02J7/00

Abstract: A charging system that may include a booster unit; a main charging unit that has a charging capability and is configured to use, during a first charging phase, a first part of the charging capacity for charging battery cells by providing a high-C charging current of at least 4 C. The main charging unit is further configured to use a second part of the charging capacity, during the first charging phase, to charge the booster unit. The first part of the charging capacity is limited by a first charging current limitation of the battery cells.

公开(公告)号：US20210013494A1

公开(公告)日：2021-01-14

申请号：US16946787

申请日：2020-07-06

Applicant: STOREDOT LTD.

Inventor： Eran Sella ,  Nitzam Shadmi ,  Ohad Goldfarb ,  Daniel Aronov

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/587 ,  H01M10/0565 ,  H01M4/04 ,  H01M4/1393 ,  H01M4/133

Abstract: Anodes for lithium-ion batteries and methods for their production are provided. Anodes comprise an initial anode made of consolidated anode material particles, and a coating of the initial anode, that comprises a layer of an ionic-conductive polymer which provides an artificial SEI (solid-electrolyte interphase) to facilitate lithium ion transfer through the coating while preventing direct fluid communication with the anode material particles and electrolyte contact thereto. The coating may be configured to keep the anode resistance low while preventing electrolyte decomposition thereupon, enhancing cell stability and cycling lifetime.

公开(公告)号：US20200343735A1

公开(公告)日：2020-10-29

申请号：US16395643

申请日：2019-04-26

Applicant: StoreDot Ltd.

Inventor： Daniel Aronov ,  Avraham Edelshtein ,  Amir Tirosh ,  Doron Myersdorf

IPC: H02J7/00 ,  H01M10/44 ,  H01M4/38

Abstract: Charging systems and methods are provided, which increase charging currents and reduce charging durations for battery cells with metalloid-based anodes that enable high C-rate (charging rate) charging. Specifically, methods comprise charging battery cells having metalloid-based anodes having Si, Ge and/or Sn-based anode active material, by providing a high-C charging current of at least 4 C (or 5 C, or 10 C or more) over a range of at least 10-70% SoC (state of charge) of the battery cells. Charging systems comprise a booster unit configured to provide a high-C charging current over at least most of the SoC range of battery cells having metalloid-based anodes in the at least one battery unit. Charging systems further comprise a user interface configured to receive user preferences concerning a specified charging duration and/or a specified target SoC—for implementation by the charging system.

公开(公告)号：US10549650B2

公开(公告)日：2020-02-04

申请号：US16248901

申请日：2019-01-16

Applicant: StoreDot Ltd.

Inventor： Daniel Aronov

IPC: H01M4/13 ,  H01M4/58 ,  H01M2/00 ,  H01M10/0525 ,  B60L53/10 ,  B60L58/13 ,  H01M10/44 ,  B60L50/60 ,  B60L58/18 ,  H02J3/32 ,  H02J7/00 ,  H02J7/34

Abstract: Single, internally adjustable modular battery systems are provided, for handling power delivery from and to various power systems such as electric vehicles, photovoltaic systems, solar systems, grid-scale battery energy storage systems, home energy storage systems and power walls. Batteries comprise a main fast-charging lithium ion battery (FC), configured to deliver power to the electric vehicle, a supercapacitor-emulating fast-charging lithium ion battery (SCeFC), configured to receive power and deliver power to the FC and/or to the EV and to operate at high rates within a limited operation range of state of charge (SoC), respective module management systems, and a control unit. Both the FC and the SCeFC have anodes based on the same anode active material and the control unit is configured to manage the FC and the SCeFC and manage power delivery to and from the power system(s), to optimize the operation of the FC.

公开(公告)号：US10367191B2

公开(公告)日：2019-07-30

申请号：US15480904

申请日：2017-04-06

Applicant: STOREDOT LTD.

Inventor： Doron Burshtain ,  Sergey Remizov ,  David Jacob ,  Nitzan Shadmi ,  Hani Farran ,  Leora Shapiro ,  Ohad Goldbart ,  Boris Brudnik ,  Carmit Ophir ,  Daniel Aronov

IPC: H01M4/134 ,  H01M4/62 ,  H01M4/38 ,  H01M4/1395 ,  H01M10/0525 ,  H01M4/36

Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.

公开(公告)号：US20190143841A1

公开(公告)日：2019-05-16

申请号：US16248901

申请日：2019-01-16

Applicant: StoreDot Ltd.

Inventor： Daniel Aronov

IPC: B60L53/10 ,  B60L58/13 ,  B60L58/18 ,  B60L50/60 ,  H01M10/0525 ,  H01M10/44

Abstract: Single, internally adjustable modular battery systems are provided, for handling power delivery from and to various power systems such as electric vehicles, photovoltaic systems, solar systems, grid-scale battery energy storage systems, home energy storage systems and power walls. Batteries comprise a main fast-charging lithium ion battery (FC), configured to deliver power to the electric vehicle, a supercapacitor-emulating fast-charging lithium ion battery (SCeFC), configured to receive power and deliver power to the FC and/or to the EV and to operate at high rates within a limited operation range of state of charge (SoC), respective module management systems, and a control unit. Both the FC and the SCeFC have anodes based on the same anode active material and the control unit is configured to manage the FC and the SCeFC and manage power delivery to and from the power system(s), to optimize the operation of the FC.

公开(公告)号：US10290864B2

公开(公告)日：2019-05-14

申请号：US15480919

申请日：2017-04-06

Applicant: STOREDOT LTD.

Inventor： Doron Burshtain ,  Nir Kedem ,  Eran Sella ,  Daniel Aronov ,  Hani Farran ,  Leora Shapiro

IPC: H01M4/134 ,  H01M4/36 ,  H01M4/04 ,  H01M4/38 ,  H01M4/587 ,  H01M4/60 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/02

Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.