Change of Energy
The first industrial revolution:
coal instead of wood
Steam engines were widely used, and coal was replaced by wood as the main energy source for production and living. Coal-fired steam engines became the main source of power for production. Since then, we have entered coal-based fossil energy, and the first industrial revolution has begun.
second industrial revolution:
Oil replaces coal
Thanks to the invention and wide application of the internal combustion engine, people entered the electric age from the age of steam. Oil replaced coal as the main energy source. The second industrial revolution is here.
Energy Internet Era
Multi-energy integration
The Energy Internet is a new energy world that integrates multi-level interactions of different energy sources (mostly renewable energy) to provide intelligent and intelligent power supply and applications. It brings meticulous care to human existence, life and production. ...