公开(公告)号：US20190074704A1

公开(公告)日：2019-03-07

申请号：US16180066

申请日：2018-11-05

Applicant: StoreDot Ltd.

Inventor： Leonid KRASOVITSKY ,  Vladimir SELEZNYOV ,  Daniel ARONOV

IPC: H02J7/00 ,  H01M10/0525 ,  G01R31/36

Abstract: Methods, systems and battery modules are provided, which increase the cycling lifetime of fast charging lithium ion batteries. During the formation process, the charging currents are adjusted to optimize the cell formation, possibly according to the characteristics of the formation process itself, and discharge extents are partial and optimized as well, as is the overall structure of the formation process. During operation, voltage ranges are initially set to be narrow, and are broadened upon battery deterioration to maximize the overall lifetime. Current adjustments are applied in operation as well, with respect to the deteriorating capacity of the battery. Various formation and operation strategies are disclosed, as basis for specific optimizations.

公开(公告)号：US20190044180A1

公开(公告)日：2019-02-07

申请号：US16157128

申请日：2018-10-11

Applicant: StoreDot Ltd.

Inventor： Zohar Drach ,  Olga Guchok ,  Leonid Krasovitsky ,  Ekaterina Gotlib Vainshtein ,  Liron Amir

IPC: H01M10/052 ,  H01M10/0569 ,  H01M10/0567

Abstract: Electrolytes, lithium ion cells and corresponding methods are provided, for extending the cycle life of fast charging lithium ion batteries. The electrolytes are based on fluoroethylene carbonate (FEC) and/or vinylene carbonate (VC) as the cyclic carbonate component, and possibly on ethyl acetate (EA) and/or ethyl methyl carbonate (EMC) as the linear component. Proposed electrolytes extend the cycle life by factors of two or more, as indicated by several complementary measurements.

公开(公告)号：US10199646B2

公开(公告)日：2019-02-05

申请号：US15479455

申请日：2017-04-05

Applicant: StoreDot Ltd.

Inventor： Doron Burshtain ,  Liron Amir ,  Daniel Aronov ,  Olga Guchok ,  Leonid Krasovitsky

IPC: H01M4/36 ,  H01M4/587 ,  H01M4/38 ,  H01M10/0525 ,  H01G11/86 ,  H01G11/06 ,  H01G11/36 ,  H01G11/46 ,  H01G11/50 ,  H01G11/30 ,  H01M4/13 ,  H01M4/58 ,  H01M10/052 ,  H01M4/02 ,  B82Y30/00 ,  H01G11/56 ,  H01M4/62

Abstract: An anode material for a lithium ion device includes an active material including silicon nanoparticles and boron carbide nanoparticles. The boron carbide nanoparticles are at least one order of magnitude smaller than the silicon nanoparticles. The weight percentage of the silicon is between about 4 to 35 weight % of the total weight of the anode material and the weight percentage of the boron carbide is between about 2.5 to about 25.6% of the total weight of the anode material. The active material may include carbon at a weight percentage of between 5 to about 60 weight % of the total weight of the anode material. Additional materials, methods of making and devices are taught.

公开(公告)号：US20180301757A1

公开(公告)日：2018-10-18

申请号：US16013969

申请日：2018-06-21

Applicant: StoreDot Ltd.

Inventor： Doron Burshtain ,  Nir Kedem ,  Daniel Aronov

IPC: H01M10/0567 ,  H01M4/60 ,  H01M4/587 ,  H01M4/58 ,  H01M4/36 ,  H01M4/38 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/366 ,  H01M4/38 ,  H01M4/58 ,  H01M4/5815 ,  H01M4/587 ,  H01M4/602 ,  H01M10/0525

Abstract: Electrolytes, anodes, lithium ion cells and methods are provided for preventing lithium metallization in lithium ion batteries to enhance their safety. Electrolytes comprise up to 20% ionic liquid additives which form a mobile solid electrolyte interface during charging of the cell and prevent lithium metallization and electrolyte decomposition on the anode while maintaining the lithium ion mobility at a level which enables fast charging of the batteries. Anodes are typically metalloid-based, for example include silicon, germanium, tin and/or aluminum. A surface layer on the anode bonds, at least some of the ionic liquid additive to form an immobilized layer that provides further protection at the interface between the anode and the electrolyte, prevents metallization of lithium on the former and decomposition of the latter.

公开(公告)号：US20180301749A1

公开(公告)日：2018-10-18

申请号：US16012781

申请日：2018-06-20

Applicant: StoreDot Ltd.

Inventor： Leonid KRASOVITSKY ,  Vladimir SELEZNYOV ,  Daniel ARONOV

IPC: H01M10/0525 ,  H01M10/42 ,  H02J7/00 ,  G01R31/36 ,  H01M4/04

CPC classification number: H01M10/0525 ,  G01R31/382 ,  H01M4/04 ,  H01M10/04 ,  H01M10/4228 ,  H01M10/44 ,  H02J7/0057 ,  H02J7/0068 ,  H02J7/007 ,  H02J7/0075 ,  H02J7/045

Abstract: Methods, systems and battery modules are provided, which increase the cycling lifetime of fast charging lithium ion batteries. During the formation process, the charging currents are adjusted to optimize the cell formation, possibly according to the characteristics of the formation process itself, and discharge extents are partial and optimized as well, as is the overall structure of the formation process. During operation, voltage ranges are initially set to be narrow, and are broadened upon battery deterioration to maximize the overall lifetime. Current adjustments are applied in operation as well, with respect to the deteriorating capacity of the battery. Various formation and operation strategies are disclosed, as basis for specific optimizations.

公开(公告)号：US10059876B2

公开(公告)日：2018-08-28

申请号：US15415886

申请日：2017-01-26

Applicant: Storedot Ltd.

Inventor： Daniel Szwarcman ,  Evgenia Liel Kuks

IPC: H01L33/32 ,  C09K11/06 ,  C09B11/24 ,  G02F1/1335

CPC classification number: C09K11/06 ,  C09B11/24 ,  C09B69/008 ,  C09B69/103 ,  C09K2211/1007 ,  C09K2211/1048 ,  C09K2211/1088 ,  G02F1/133514 ,  G02F1/1336 ,  G02F2001/133614 ,  G02F2202/30 ,  G02F2202/36 ,  G02F2203/05 ,  G02F2203/10

Abstract: Color conversion films for a LCD (liquid crystal display) having RGB (red, green, blue) color filters, as well as such displays, formulations, precursors and methods are provided, which improve display performances with respect to color gamut, energy efficiency, materials and costs. The color conversion films absorb backlight illumination and convert the energy to green and/or red emission at high efficiency, specified wavelength ranges and narrow emission peaks. For example, rhodamine-based fluorescent compounds are used in matrices produced by sol gel processes and/or UV (ultraviolet) curing processes which are configured to stabilize the compounds and extend their lifetime—to provide the required emission specifications of the color conversion films. Film integration and display configurations further enhance the display performance with color conversion films utilizing various color conversion elements. Fluorescent emission may be enhanced by plasmon resonance of coupled nanoparticles.

公开(公告)号：US10059843B2

公开(公告)日：2018-08-28

申请号：US15622158

申请日：2017-06-14

Applicant: StoreDot Ltd.

Inventor： Evgenia Liel Kuks ,  Rony Schwarz ,  Eran Sella ,  Mor Shmuel Armon ,  Daniel Szwarcman

IPC: C07D491/22 ,  H01L51/00 ,  C09B11/24 ,  G03F7/00 ,  C09B69/10 ,  F21V9/16 ,  C09K11/06 ,  C09B69/00 ,  G02F1/1335 ,  F21V9/30

CPC classification number: C09B11/24 ,  C09B69/008 ,  C09B69/103 ,  C09K11/06 ,  C09K2211/1048 ,  F21V9/30 ,  G02F1/133617 ,  G02F2001/133614 ,  G03F7/0007 ,  H01L51/0051 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072

Abstract: This invention is directed to photoluminescent compounds based on rhodamine dyes with red-shifted absorption and emission maxima and uses thereof for photoluminescence based devices.

公开(公告)号：US20180212439A1

公开(公告)日：2018-07-26

申请号：US15935006

申请日：2018-03-25

Applicant: StoreDot Ltd.

Inventor： Daniel ARONOV

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/38

CPC classification number: H02J7/007 ,  H01M4/134 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/44

Abstract: Methods and supercapacitor-emulating fast-charging batteries are provided. Methods comprise configuring a fast-charging battery to emulate a supercapacitor with given specifications by operating the fast-charging battery only within a partial operation range which is defined according to the given specifications of the supercapacitor and is smaller than 20%, possibly 5% or 1%, of a full operation range of the fast-charging battery. Devices are provided, which comprise control circuitry and a modified fast-charging lithium ion battery having Si, Ge and/or Sn-based anode active material and designed to operate at 5 C at least and within a range of 5% at most around a working point of between 60-80% lithiation of the Si, Ge and/or Sn-based anode active material, wherein the control circuitry is configured to maintain a state of charge (SOC) of the battery within the operation range around the working point.

公开(公告)号：US20180212236A1

公开(公告)日：2018-07-26

申请号：US15414655

申请日：2017-01-25

Applicant: Storedot Ltd.

Inventor： David JACOB ,  Sergey Remizov ,  Nitzan Shadmi ,  Hani Farran ,  Daniel Aronov

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/62 ,  H01M4/485 ,  H01M4/60

CPC classification number: H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M4/602 ,  H01M4/624 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/027

Abstract: Core-shell particles, composite anode material, anodes made therefrom, lithium ion cells and methods are provided, which enable production of fast charging lithium ion batteries. The composite anode material has core-shell particles which are configured to receive and release lithium ions at their cores and to have shells that are configured to allow for core expansion upon lithiation. The cores of the core-shell particles are connected to the respective shells by conductive material such as carbon fibers, which may form a network throughout the anode material and possibly interconnect cores of many core-shell particles to enhance the electrical conductivity of the anode. Ionic conductive material and possibly mechanical elements may be incorporated in the core-shell particles to enhance ionic conductivity and mechanical robustness toward expansion and contraction of the cores during lithiation and de-lithiation.

公开(公告)号：US20180198161A1

公开(公告)日：2018-07-12

申请号：US15867764

申请日：2018-01-11

Applicant: STOREDOT LTD.

Inventor： Leonid KRASOVITSKY ,  Vladimir SELEZNYOV ,  Daniel ARONOV

IPC: H01M10/0525 ,  H01M4/04 ,  H01M10/42 ,  H02J7/00 ,  G01R31/36

CPC classification number: H01M10/0525 ,  G01R31/3606 ,  H01M4/04 ,  H01M10/4228 ,  H02J7/0057 ,  H02J7/0068 ,  H02J7/007 ,  H02J7/0075 ,  H02J7/045

Abstract: Methods, systems and battery modules are provided, which increase the cycling lifetime of fast charging lithium ion batteries. During the formation process, the charging currents are adjusted to optimize the cell formation, possibly according to the characteristics of the formation process itself, and discharge extents are partial and optimized as well, as is the overall structure of the formation process. During operation, voltage ranges are initially set to be narrow, and are broadened upon battery deterioration to maximize the overall lifetime. Current adjustments are applied in operation as well, with respect to the deteriorating capacity of the battery. Various formation and operation strategies are disclosed, as basis for specific optimizations.