LI-ION BATTERY HAVING IMPROVED SAFETY AGAINST COMBUSTION
    1.
    发明申请
    LI-ION BATTERY HAVING IMPROVED SAFETY AGAINST COMBUSTION 审中-公开
    具有改善安全防止燃烧的锂离子电池

    公开(公告)号:US20160365553A1

    公开(公告)日:2016-12-15

    申请号:US14755160

    申请日:2015-06-30

    Abstract: The present invention provides a process comprising for modifying a Li-ion battery having a region of electrochemical activity and an enclosure therefor, said process comprising forming at least one chamber within said enclosure separate from said region of electrochemical activity, positioning combustion abatement agent within said chamber, whereby said combustion abatement agent is not in contact with said region of electrochemical activity, said chamber being pressure or heat sensitive, whereby when said region of electrochemical activity overheats, said chamber is breached, allowing said combustion abatement agent to contact said region of electrochemical activity to abate combustion of said region of electrochemical activity, wherein exemplary of combustion abatement agent is the composition comprising liquid fluoropolyether and exemplary of the of the chamber exhibiting pressure or heat sensitivity is to include a low melting, non-flammable polymer such as polyvinyl alcohol in the material of construction of the chamber.

    Abstract translation: 本发明提供一种方法,其包括用于改变具有电化学活性区域的锂离子电池及其封闭物,所述方法包括在所述外壳内形成与所述电化学活性区域分开的至少一个室,将所述燃烧消除剂定位在所述 室,其中所述燃烧消除剂不与所述电化学活性区域接触,所述室是压力或热敏感的,由此当所述电化学活性区域过热时,所述室被破坏,允许所述燃烧消除剂接触所述区域 消除所述电化学活性区域的燃烧的电化学活性,其中消除燃烧剂的示例是包含液体氟聚醚的组合物,并且示出压力或热敏感性的室的示例性是包括低熔点,不可燃聚合物,例如聚乙烯 酒在th e室的构造材料。

    LI-ION BATTERY HAVING IMPROVED SAFETY AGAINST COMBUSTION

    公开(公告)号:US20200028129A1

    公开(公告)日:2020-01-23

    申请号:US16585804

    申请日:2019-09-27

    Abstract: A Li-ion battery is provided in combination with fluorinated material positioned effective to abate combustion by said battery, the fluorinated material being normally non-gaseous and non-liquid and being itself effective to provide the combustion abatement by said battery, such fluorinated material being is such forms as the material of construction of the battery case containing the battery, film wrapped around said battery, and/or semi-solid material at least proximate to the battery, such as by forming a coating on said battery or said film on said battery.

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