HEAT-CONDUCTIVE COMPOSITION, HEAT-CONDUCTIVE MEMBER, AND BATTERY MODULE

    公开(公告)号:US20240250333A1

    公开(公告)日:2024-07-25

    申请号:US18282650

    申请日:2022-03-25

    CPC classification number: H01M10/653 C09K5/14 H01M10/6551

    Abstract: The present invention provides a thermally conductive composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) a hydrogenorganopolysiloxane containing at least two hydrosilyl groups, (C) a thermally conductive filler, and (D) a reaction rate controlling agent, wherein in measurement using a viscoelasticity measuring apparatus under conditions of 35° C., a shear mode, a frequency of 1 Hz, and a strain of 10%, a storage modulus G′1 after 3,600 seconds from the start of the measurement is 2,000 Pa or less, and a storage modulus G′2 after 7,200 seconds from the start of the measurement is 4,350 Pa or more, and wherein viscosity measured at 25° C. and a shear rate of 10 rpm is 220 Pa·s or less. According to the present invention, it is possible to provide the thermally conductive composition that has good workability and maintains reliability as a product, over a relatively wide temperature range.

    THERMALLY CONDUCTIVE COMPOSITION AND THERMALLY CONDUCTIVE MEMBER

    公开(公告)号:US20240400878A1

    公开(公告)日:2024-12-05

    申请号:US18692582

    申请日:2022-09-28

    Inventor: Gaku KITADA

    Abstract: A thermally conductive composition of the present invention is a composition in a liquid form at 25° C. comprising an organopolysiloxane, a thermally conductive filler, and an ester compound having 12 to 28 carbon atoms. According to the present invention, it is possible to provide a thermally conductive composition, which has good workability because of its low viscosity, excellent heat resistance, and in which a low-molecular weight siloxane does not tend to be generated.

    BATTERY MODULE
    6.
    发明公开
    BATTERY MODULE 审中-公开

    公开(公告)号:US20240021909A1

    公开(公告)日:2024-01-18

    申请号:US18267303

    申请日:2021-12-17

    Inventor: Gaku KITADA

    Abstract: The present invention relates to a battery module comprising a case, a plurality of cells arranged in the case, and a heat absorbing member disposed at least either between the case and the cell or between the plurality of cells, wherein the heat absorbing member comprises a silicone matrix and a small particle size aluminum hydroxide having a particle size of 5 μm or less dispersed in the silicone matrix, wherein a content of the small particle size aluminum hydroxide is 20 vol % or more. According to the present investigation, a battery module capable of absorbing a generated heat at 300° C. or less for a long period of time can be provided.

    BATTERY MODULE
    7.
    发明申请

    公开(公告)号:US20220238939A1

    公开(公告)日:2022-07-28

    申请号:US17615703

    申请日:2020-06-05

    Abstract: The present invention is a battery module comprising a case, a plurality of cells being arranged in the case and having an energy density of 200 Wh/L or more, and a heat absorbing member provided at least either between the case and the plurality of cells or between the plurality of cells, wherein the heat absorbing member has an endothermic quantity Q from 150° C. to 350° C. of 500 J/cm3 or more and a thermal conductivity λ of 0.8 W/mK or more.
    According to the present invention, there can be provided a battery module whose temperature hardly rises in an abnormal early period and in a certain period from abnormality occurrence.

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