optics Silicon materials Environmental materials Nanomaterials Photovoltaic materials Metallurgical engineering Electrical materials New energy materials Metals and alloys Polymer materials Environmentally friendly and green materials Nanoporous materials Green catalytic chemistry Materials Science and Engineering Electronic and magnetic materials Material surface and interface Material Failure and Protection Biomaterials and biological devices Material synthesis and processing technology Composite, mixed, and multifunctional materials wind power generation Energy saving technology wind power generation Alternative fuels Nuclear Power Technology New energy vehicles Solar power generation renewable energy Energy Chemical Engineering Oil and Gas Resource Engineering Hybrid energy system Energy storage technology Greenhouse gas treatment Clean energy development Biomass energy engineering Biogas and biomass energy Coal Mine Engineering and Technology Thermal and Power Engineering Thermal Engineering and Thermodynamics Energy in buildings Clean coal and fossil fuels Thermal Energy Engineering and Wind Energy Engineering Nuclear Energy Engineering and Hydrogen Resources Energy Materials and Energy Technology Energy Security and Energy Systems Energy conversion and energy efficiency Energy analysis and energy transfer Energy saving lighting products and technologies Energy Engineering and Environmental Engineering Energy security and clean utilization Mineral Resources and Mining Engineering Energy Equipment and Energy Management Machines and equipment for resource processing Hydroelectric power generation, geothermal and tidal power generation Renewable energy technologies and systems Solar related technologies and applications New Technologies for Oil and Gas Development Traditional energy engineering (coal, oil, natural gas, etc. without traditional electricity) [All relevant topics are eligible for submission]