石墨烯及复合材料作锂离子电池电极的进展

石墨烯是一种单原子层厚度的石墨材料，具有独特的二维结构和优异的电学、力学及化学稳定性。此外，石墨烯还具有特殊sp^2结构，易于与其它材料复合。利用石墨烯获得具有特殊形貌和微观结构的电极材料，能有效改善材料的各项电化学性能，作为锂离子电池的电极材料具有潜在的应用前景。总结了近些年对石墨烯及复合材料作为锂离子电池电极材料的研究，重点阐述了材料的制备、电学性质及基本原理，为其作为锂离子电极材料的应用提供相应的理论依据。

THE PROGRESS OF GRAPHENE AND ITS COMPOSITES AS ELECTRODE MATERIALS IN LITHIUM ION BATTERIES

Graphene, a single layer new carbon material, has the unique two dimensional structure and excellent electrical, mechanical properties and chemical stability. Moreover, the intrinsic sp^2 structure of graphene makes it easily to combine with other materials to form the composites. The graphene based electrode materials with special morphology and microstructure would effectively improve the electrochemical performances, and have the potential applications in lithium ion battery. The research on the graphene and graphene based composites as the electrode materials in lithium ion battery is sammarized, mainly focusing on the synthesis, electrical properties and fundamental principles. Our review will provide the corresponding evidences for the applications of electrode materials for lithium ion battery.