◕ I. Renewable Energy Technologies and Systems

· Solar Energy Technologies 

· Wind Energy Technologies 

· Hydropower Technologies 

· Geothermal Energy Technologies 

· Biomass Energy and Biofuels 

· Smart Grids and Energy Internet 

· Energy Economics and Policy Analysis

◕ II. Energy Conversion and Storage Technologies

· Novel Photovoltaic Materials and Devices 

· High-Efficiency Photocatalysis and Photoelectrochemistry 

· Hydrogen Production and Storage 

· Solid-State and Advanced Battery Technologies 

· Supercapacitors and Energy Storage Devices 

· Low-Carbon Energy and Carbon Capture Technologies 

· Carbon Dioxide Recycling and Conversion 

· Gas Separation and Purification Technologies 

· Design of Green Energy Materials 

· Thermal Energy Dynamics and Thermal Management 

· Safe and Environmentally Friendly Energy Technologies

◕ III. Fundamentals of Chemical Engineering and Catalysis Technologies

· Catalyst Design and Synthesis 

· Heterogeneous Catalysis and Surface Science 

· Chemical Reaction Engineering 

· Applications of Nanomaterials in Chemical Engineering 

· Electrochemistry and Electrocatalysis Technologies 

· Microreactors and Continuous Flow Synthesis

◕ IV. Chemical Engineering Processes and Manufacturing Technologies

· Process Systems Engineering and Optimization 

· Separation Engineering and Membrane Technologies 

· Green Chemical Processes 

· Intelligent Manufacturing and Process Control 

· Biochemical Engineering 

· Integrated New Energy Chemical Engineering