Graphene flywheel energy storage

Why is graphene a revolutionary material in energy storage?

Discussion and future outlook Graphene’s rise as a revolutionary material in energy storage stems from its superior physicochemical properties. As evidenced in batteries, supercapacitors, and hybrid energy systems, graphene enables significant advancements in conductivity, mechanical integrity, surface area utilization, and reaction kinetics.

Is graphene a transformative material for next-generation energy storage technologies?

These include exceptional electrical conductivity (∼106 S/m), thermal conductivity (∼5300 W/m·K), specific surface area (∼2630 m2/g), mechanical strength (Young's modulus ∼1 TPa), and chemical stability. Such attributes position graphene as a transformative material for next-generation energy storage technologies , .

What is graphene used for?

These hybrid devices are particularly suitable for fast-charging electronics, grid-balancing systems, and electric mobility applications , . Flexible and wearable energy storage systems represent another innovative domain where graphene's properties are uniquely advantageous.

How can flywheels be more competitive to batteries?

The use of new materials and compact designs will increase the specific energy and energy density to make flywheels more competitive to batteries. Other opportunities are new applications in energy harvest, hybrid energy systems, and flywheel’s secondary functionality apart from energy storage.