Graphene battery is a honeycomb planar film formed by carbon atoms in the way of sp2 hybridization. It is a quasi two-dimensional material with only one atomic layer thickness, so it is also called monoatomic layer graphite. A new energy battery is developed based on the fast and large shuttle motion of lithium ions between graphene surface and electrode. Because of its high conductivity, high strength, ultra-thin and other characteristics, graphene has outstanding advantages in the use of aerospace.

　　Graphene has been praised as the "king of new materials" by researchers and major media. It is a new nano material known to mankind with high strength, good toughness, light weight, high light transmittance and good conductivity.

　　Lithium ion battery: The lithium ion in the lithium ion battery refers to the energy storage material in the battery, and battery reaction (chemical change) occurs during charging and discharging. It is a kind of battery with lithium metal or lithium alloy as cathode material and non-aqueous electrolyte solution. Lithium ion batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be recharged. Lithium metal battery, the fifth generation of rechargeable battery, was born in 1996. Its safety, specific capacity, self discharge rate and performance price ratio are all better than lithium ion battery.

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