The development of sustainable and renewable energy storage and conversion systems is becoming necessary due to the ongoing global energy crisis, environmental concerns and declining costs in available energy technologies. Some such systems are already in place and include electrochemical capacitors, lithium-ion batteries, and proton-exchange membrane fuel cells. Compared to batteries, supercapacitors are favourable due to their high power density, long cycle life, low maintenance cost, and safe operation features. Supercapacitors are promising for use in portable electronics, power backup devices, hybrid electric vehicles, and other electronic products due to their excellent performance.
Since the emergence of graphene, interest in graphene-based materials has grown exponentially, driven mainly due to its incredible mechanical, electrical and thermal properties. These properties are a result of its high specific surface area, unique graphitised plane structure and extremely high charge mobility. Graphene is considered a potential material for storing ions on the electrodes of supercapacitors due to its excellent properties.
JKR possesses the technology of exfoliation of graphite by collagen that results in a graphene-collagen composite material, which can be transformed into a supercapacitor electrode by dispersing it in a polymeric matrix. This novel energy storage material by JKR has superior properties and is provided in a form that is readily conformable to many shapes and sizes, making it particularly suitable in various electronic applications.