Topic 1: Energy Engineering and Technology
Energy and Environment
Mineral Engineering
Petroleum engineering 
Metallurgical Engineering
Rare Earth Engineering
Oceanographic engineering
High tower installation project
Methane
Solar energy
Gas transmission and distribution project
Photovoltaic power generation
Offshore wind power
New energy vehicles
Charging station
Heat pump
Energy Storage Systems and Technologies
Transmission and Distribution and Microgrid
Smart Grid and Smart City
Energy Internet
Energy planning and allocation
Energy storage and management
Energy equipment and engineering
Energy Conversion and Application
Construction projects of heating power plants, nuclear power plants, and waste incineration power plants
Distributed energy
Wind power, water conservancy and hydropower, and thermal power generation
Gas furnace
Energy saving and environmental protection technology
Temperature control design
Refrigeration and heating technology
Cold storage design
HVAC Engineering
Photocatalysis and electrocatalysis
Roof technology
Grid connected power generation technology, etc
Topic 2: Energy Storage
Electrochemical energy storage
Thermal energy storage
Mechanical energy storage
Wind energy storage
Hydrogen energy storage
Inductive energy storage
Pumped storage power generation
Capacitive energy storage system
Solar cell
fuel cell
Capacitors, supercapacitors
lithium battery
Topic 3: Battery
Battery and energy storage system
Power batteries and new energy vehicles
Advanced battery system
Key components and supply technology of batteries
Thermal runaway and thermal management of battery systems
Battery design and safety assessment
Development of battery pack and management system
Modeling and Control of Battery Systems
Battery Reuse and Recycling Technology
Topic 4: Power Electronics
power electronics 
Power electronic equipment
Motor drive and frequency converter
System integration 
Power system
Modeling and Simulation
Converter and System Control
Theoretical analysis of motor physics
Noise reduction technology for large equipment
High frequency converter and power supply
Passive components and sensors
Electronic signal
Power system and its automation
High voltage and insulation technology
Power Electronics and Power Transmission
Electric Machinery and Electrical Appliances
Advanced Electromagnetics
MEMS component technology
Electronic system level design
Electronics and Nanoelectronics
Epitaxial and light-emitting diodes
Fiber optic and fiber optic equipment
Giant Area Microelectronics
Three dimensional semiconductor device technology