公开(公告)号：EP2569249A1

公开(公告)日：2013-03-20

申请号：EP11718746.8

申请日：2011-05-10

申请人： BASF SE ,  Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

发明人： IVANOVICI, Sorin ,  YANG, Shubin ,  FENG, Xinlang ,  MÜLLEN, Klaus

IPC分类号： C01G51/04 ,  C09C3/08 ,  H01M4/525

CPC分类号： C09C3/08 ,  B82Y30/00 ,  C01G51/04 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/86 ,  C01P2006/40 ,  H01G11/24 ,  H01G11/30 ,  H01G11/36 ,  H01G11/46 ,  H01G11/50 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/13

摘要： The invention relates to a method for coating nanoparticles with graphene, comprising the steps: (a) providing a suspension, comprising a suspension medium and nanoparticles having a positive surface charge; (b) adding graphene oxide particles to the suspension from step (a), wherein the graphene oxide particles deposit on the nanoparticles; and (c) converting the graphene oxide particles deposited on the nanoparticles into graphene, nanoparticles coated with graphene, containing at least one metal, a metalloid, a metal compound and/or a metalloid compound. The invention further relates to the use of said graphene-coated nanoparticles in electrochemical cells and super capacitors, and to super capacitors and electrochemical cells containing said nanoparticles.

摘要翻译： 本发明涉及一种用于与石墨烯涂层的纳米粒子的方法，包括以下步骤：（a）提供的悬浮液，包括悬浮介质和具有正表面电荷的纳米颗粒; （B）将氧化石墨烯颗粒从步骤悬浮液（a）中，worin在纳米颗粒上的氧化石墨烯颗粒沉积; 及（三）转换沉积在纳米颗粒引入石墨烯氧化石墨烯颗粒，纳米颗粒涂覆有石墨烯，含有至少一种金属，准金属，金属化合物和/或准金属化合物。 本发明还涉及到使用。所述的电化学电池和超级电容器的石墨烯涂覆的纳米颗粒，以及超级电容器和含有所述纳米颗粒的电化学电池。

公开(公告)号：EP2560918A1

公开(公告)日：2013-02-27

申请号：EP11715000.3

申请日：2011-04-20

申请人： BASF SE ,  Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

发明人： IVANOVICI, Sorin ,  YANG, Shubin ,  FENG, Xinlang ,  MÜLLEN, Klaus

IPC分类号： C01B31/04

CPC分类号： B82Y40/00 ,  B82Y30/00 ,  C01B32/182

摘要： The invention relates to a method for producing two-dimensional nano-materials, comprising the following steps: (a) providing (a1) a mixture containing graphene oxide particles, water and at least one cationic surfactant and/or non-ionic surfactant or (a2) a mixture containing graphene particles, at least one solvent that can be used for chemically splitting graphite, and at least one cationic surfactant and/or non-ionic surfactant, (b) adding at least one sol precursor compound to the mixture from step (a), (c) allowing the mixture from step (b) to react in a sol-gel process forming gel from the at least one sol precursor compound on the graphene oxide particles or the graphene particles, (d) removing the at least one surfactant and (e) optionally heating the graphene oxide particles coated with gel for at least 1 minute to at least 500ºC in an inert gas atmosphere in order to reduce the graphene oxide to graphene.

公开(公告)号：EP2569249B1

公开(公告)日：2017-07-12

申请号：EP11718746.8

申请日：2011-05-10

申请人： BASF SE ,  Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

发明人： IVANOVICI, Sorin ,  YANG, Shubin ,  FENG, Xinlang ,  MÜLLEN, Klaus

IPC分类号： C01G51/04 ,  C09C3/08 ,  H01M4/525 ,  B82Y30/00 ,  H01G11/36 ,  H01G11/46 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01G11/24 ,  H01G11/30 ,  H01G11/50

CPC分类号： C09C3/08 ,  B82Y30/00 ,  C01G51/04 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/86 ,  C01P2006/40 ,  H01G11/24 ,  H01G11/30 ,  H01G11/36 ,  H01G11/46 ,  H01G11/50 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/13