Process for encapsulating metals and metal oxides with graphene and the use of these materials
    7.
    发明授权
    Process for encapsulating metals and metal oxides with graphene and the use of these materials 有权
    用石墨烯包封金属和金属氧化物的方法以及这些材料的使用

    公开(公告)号:US08611070B2

    公开(公告)日:2013-12-17

    申请号:US13107278

    申请日:2011-05-13

    IPC分类号: H01G9/00

    摘要: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.

    摘要翻译: 本发明涉及用石墨烯涂覆纳米颗粒的方法,其包括以下步骤:(a)提供包含悬浮介质和具有正表面电荷的纳米颗粒的悬浮液,(b)将氧化石墨烯颗粒加入步骤(a)的悬浮液中, 聚集在纳米颗粒上的石墨烯氧化物颗粒,和(c)将纳米颗粒上积聚的氧化石墨烯颗粒转化为石墨烯,转化为包含至少一种金属,半金属,金属化合物和/或半金属化合物的石墨烯涂覆的纳米颗粒, 在电化学电池和超级电容器中使用这些石墨烯涂覆的纳米颗粒,以及包含这些纳米颗粒的超级电容器和电化学电池。

    PROCESS FOR ENCAPSULATING METALS AND METAL OXIDES WITH GRAPHENE AND THE USE OF THESE MATERIALS
    8.
    发明申请
    PROCESS FOR ENCAPSULATING METALS AND METAL OXIDES WITH GRAPHENE AND THE USE OF THESE MATERIALS 有权
    用石墨包覆金属和金属氧化物的方法和这些材料的使用

    公开(公告)号:US20110292570A1

    公开(公告)日:2011-12-01

    申请号:US13107278

    申请日:2011-05-13

    摘要: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.

    摘要翻译: 本发明涉及用石墨烯涂覆纳米颗粒的方法,其包括以下步骤:(a)提供包含悬浮介质和具有正表面电荷的纳米颗粒的悬浮液,(b)将氧化石墨烯颗粒加入步骤(a)的悬浮液中, 聚集在纳米颗粒上的石墨烯氧化物颗粒,和(c)将纳米颗粒上积聚的氧化石墨烯颗粒转化为石墨烯,转化为包含至少一种金属,半金属,金属化合物和/或半金属化合物的石墨烯涂覆的纳米颗粒, 在电化学电池和超级电容器中使用这些石墨烯涂覆的纳米颗粒,以及包含这些纳米颗粒的超级电容器和电化学电池。