Aluminium is more reactive than carbon so it must be extracted from its compounds using electrolysis. Even though aluminium is more abundant than iron in the Earth's crust, aluminium is more ...

The lack of affordable electricity has affected other producers, too. Century Aluminum announced in 2022 it was idling its ...

Rio Tinto and Hydro have partnered to assess carbon capture technologies in the aluminium electrolysis process. The two companies will share information to create enhanced, viable carbon capture ...

Learn more on extracting metals using electrolysis in this podcast. Listen to the full series on BBC Sounds. positively charged aluminium ions gain electrons from the cathode, and form molten ...