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12 条记录 (耗时 0.016 秒)

    Composite anode material made of core-shell particles
    4.
    发明授权
    Composite anode material made of core-shell particles 有权

    公开(公告)号：US10454101B2

    公开(公告)日：2019-10-22

    申请号：US15414655

    申请日：2017-01-25

    申请人： Storedot Ltd.

    发明人： David Jacob ,  Sergey Remizov ,  Nitzan Shadmi ,  Hani Farran ,  Daniel Aronov

    IPC分类号： H01M4/131 ,  H01M4/36 ,  H01M4/60 ,  H01M4/38 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

    摘要： 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.

    Composite anode material made of ionic-conducting electrically insulating material
    6.
    发明授权
    Composite anode material made of ionic-conducting electrically insulating material 有权

    公开(公告)号：US10461322B2

    公开(公告)日：2019-10-29

    申请号：US15792779

    申请日：2017-10-25

    申请人： StoreDot Ltd.

    发明人： David Jacob ,  Sergey Remizov ,  Nitzan Shadmi ,  Hani Farran ,  Daniel Aronov

    IPC分类号： H01M4/1395 ,  H01M4/36 ,  H01M4/60 ,  H01M4/38 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

    摘要： 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.