1. New energy materials and new energy devices 2. Synthesis and application of inorganic nanomaterials 3. New-generation dye-sensitized solar cells and perovskite solar cells 4. New-generation low-temperature semiconductor-ion fuel cells 5. Resource recycling of waste 6. Cleaner utilization for renewable energy resources 7. First-principle DFT calculations, ab-initio CPMD simulations.