A new process of lithium extraction filters lithium out of brines more efficiently - and is less harmful to the environment.
EV batteries are usually discarded when they still have 70 percent of life left. CellStack's optimises them, reducing environmental impact.
Researchers in Zurich have developed sensors using sound waves, which could save 78 million batteries per year in the EU alone.
Lithium-ion batteries are central to our modern technological lives. However, they come with environmental and human rights concerns. Can the more plentiful sodium take over?