Abstract
This review article discusses about various aspects that make graphene and graphene nanosheets/binary transition metal oxide (GNS/BTMO) composites apt for their use as anode materials in lithium ion batteries (LIB). GNS/BTMO composites are categorized into three types based on the type of local contact between GNS and BTMO in the composites. These three types are zero-dimensional, one-dimensional and two-dimensional contact composites which are elaborately explained in this article. Amongst the three type, the two dimensional contact composites show superior electrochemical properties (suitable for consideration as anode materials in LIB) than the other two types of contact composites owing to the presence of highly conducting graphene and enhanced local interaction between GNS and BTMO which constrains the restacking of GNS and aggregation of BTMO.
Keywords: Anode material, composites, graphene, graphene nanosheets, Li ion battery, metal oxide, transition metals.
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