Pleione Energy develops, designs, and produces cost-effective products and applications for the energy and space sector. The primary application field is the design and development of advanced storage systems through application of nanotechnology in batteries, capacitors, fuel cells, etc. Advanced materials and nanotechnology expertise, along with extensive research experience in the energy and aerospace sector, empowers the team behind the company to achieve technological breakthroughs. The company is an International Joint Venture between the Greek company ADAMANT COMPOSITES and the German company OMNIDEA-RTG and is based at the Technology incubator of the National Centre for Scientific Research (NCSR) “Demokritos” in Athens, Greece. Pleione Energy has developed two innovative nano-enabled based energy storage systems: a) Graphene based lithium battery and supercapacitors cells; b) Graphene-Based Materials with Improved Gas Barrier Properties for Space Applications. Pleione Energy is also developing a new product for Green Building applications, prefabricated walls with integrated energy storage capabilities.