Thermal Functional Materials is a peer-reviewed, open access journal dedicated to publishing high-quality research on thermal functional materials and their engineered thermal properties. The journal provides a multidisciplinary platform for scientists, engineers, and innovators working at the intersection of materials science, thermal engineering, energy systems, and advanced technologies. The journal publishes original research articles, perspectives and review papers related to thermal structural materials, thermal protection, thermal management, thermal energy conversion, and related fields, including but not limited to: Thermal Conductive and Thermal Interface Materials High Thermal Conductivity Bulk Materials Intrinsically Thermally Conductive Polymer Materials Thermally Conductive Composite Materials Thermal Interface Materials (TIMs) High-performance Thermal Insulation Materials Aerogels and Their Composites Vacuum Insulation Materials Multilayer Thermal Insulation Materials Nanoporous Thermal Insulation Materials Multifunctional Thermal Insulation Materials Advanced Materials and Structures for Thermal Protection Ultra-high Temperature Materials for Extreme Environments Fire-resistant and Flame-retardant Materials and Structural Systems Thermal Barrier Coatings and Multilayer Protective Structures Advanced Thermal Insulation Materials for Extreme Protection Advanced Anti-thermal and Thermal Insulation Composite Structures Thermal Storage and Energy Storage Materials Thermal Energy Storage Materials Sensible Thermal Energy Storage Materials Phase Change Energy Storage Materials Thermochemical Energy Storage Materials High Thermal Conductivity Energy Storage Materials High Enthalpy Energy Storage Materials Cold Storage Materials Thermal Conversion Materials Thermoelectric Materials Photothermal Materials Thermochemical Conversion Materials Thermo-responsive Materials Thermal Regulation Materials Smart Thermal Regulation Materials Adaptive Thermal Regulation Materials Smart Switchable High Thermal Conductivity/Insulation Materials Photothermal Regulation Metamaterials Thermal Metamaterials.