ABSTRACT

Graphite, a typical anode material in lithium-ion batteries (LIBs), is a low-cost material that could help reduce the specific energy. However, it will cause a limited cycle life, mainly owing to structural issues during lithium ions inserting/extracting at high volume. Seeking an anode with a highly reversible capacity, great conductivity, and strong structural stability to enhance the performance of LIBs still remains an obstacle. Due to the remarkable properties, graphene-related systems are considered one of the promising materials that will improve many products, including various batteries. It is interesting that graphene can enable lithium ions to penetrate through the tiny holes of honeycomb lattices. This will make graphene become a promising material with the best storage ability. Graphene anodes are reported to hold energy better and the charging time is about ten times faster than graphite anodes [1, 2]. However, the critical problem accompanying a graphene anode is that its endurance and capacity are not good. Further approaches to modify the fundamental properties of graphene need to be carried out.