| abstract |
The embodiment of the invention discloses a kind of graphene composite material, preparation method and applications, wherein the graphene composite material is by graphene and is distributed in the titanium dioxide granule of graphene surface and forms.Due to the barrier of graphene surface titanium dioxide granule, the reunion of graphene can be prevented；After lithium ion battery being assembled into using the graphene composite material of the present invention, in charge and discharge process, it is possible to reduce the distance of ion transmission is shortened in the generation of graphene surface SEI films during electrochemical reaction, electron mobility is improved, to promote its chemical property. |