The International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013) was held on 9-12 October, 2013.This three-day congress focused on the latest developments of sustainable energy technologies, materials for sustainable energy applications and environmental & economic perspectives of energy.These proceedings include 63 peer reviewed technical papers, submitted from leading academic and research institutions from over 23 countries, representing some of the most cutting edge research available. The papers included were presented at the congress in the following sessions:General IssuesWind EnergySolar Energy Nuclear EnergyBiofuels and BioenergyEnergy StorageEnergy Conservation and EfficiencyEnergy in Buildings Economical and Environmental IssuesEnvironment Energy Requirements Economic Development Materials for Sustainable EnergyHydrogen Production and StoragePhotovoltaic CellsThermionic ConvertersBatteries and SuperconductorsPhase Change MaterialsFuel Cells Superconductorsweiterlesen