Can graphene be used in energy storage/generation devices?

We present a review of the current literature concerning the electrochemical application of graphene in energy storage/generation devices, starting with its use as a super-capacitor through to applications in batteries and fuel cells, depicting graphene's utilisation in this technologically important field.

What are the advantages of graphene compared to graphite?

Further advantageous characteristics of graphene for their application in energy related devices emerge when comparing graphene to graphite – note that GNSs are flexible which is beneficial for use in flexible electronic and energy storage devices, as opposed to the brittle nature of graphite .

Why is graphene a good material?

Graphene has exceptional mechanical strength, flexibility, transparency , electrical conductivity, melting point, thermal conductivity, current density, and electron mobility because of its unique structure . It has high thermal conductivity due to structural gaps, and the ability to let electrons pass freely.

What are the applications of graphene in solar power based devices?

Miscellaneous energy storage devices (solar power) Of further interest and significant importance in the development of clean and renewable energy is the application of graphene in solar power based devices, where photoelectrochemical solar energy conversion plays an important role in generating electrical energy , .

Are graphene-based nano-composite materials suitable for high-performance energy applications?

Such results suggest the importance of rational design and synthesis of graphene-based nano-composite materials for high-performance energy applications where high specific capacitance and remarkable rate capability are promising for applications in supercapacitors with both high energy and power densities .

What are the advantages and disadvantages of graphene vs CNT?

A significant advantage graphene has over CNTs is that it generally does not possess the same disadvantages that have plagued them, such as residual metallic impurities that are inherent to the CVD fabrication process and have hindered their exploitation, for example in the manufacture of reliable energy devices , .