(The following topics include but are not limited to)
Theme 1: Green Energy
Renewable energy, including modeling, operation, control, and integration
Solar power generation system
Integration of renewable energy technologies and smart grids
Energy and Power Engineering
Energy efficiency and management
Energy storage, fuel cell technology and trends
Thermal and Power Engineering
Clean Development Mechanism 
Thermal Hydraulic and Safety Analysis of Nuclear Reactors
Non stationary thermodynamics and engineering applications
Theory of heat and mass transfer and application of biomass energy
Simulation Control and Integration in Energy Power System Processes
Clean and efficient combustion and energy conservation and emission reduction
Theme 2: Smart City
Urban grid management
Intelligent emergency management
Intelligent manufacturing
Smart City Technology
Space information technology
Information and communication technology in smart cities
The Internet of Things in Smart Cities
Cloud computing and the Internet of Things
mobile computing 
wireless communication 
5G
Virtual organization and remote work
Software Technology for Smart Cities
Topic 3: Advanced Materials
Structural materials
Functional materials
Flexible electronic materials
biological materials
biomimetic materials 
Energy materials
Silicon materials
Intelligent materials
3D materials
Micro/nano materials
semiconductor material 
New energy materials
Polymer materials
Renewable materials
Superplastic materials
Advanced composite materials
Nonferrous metal materials
Optical/Electronic/Magnetic Materials