Scientists have built a new a lithium-ion (Li-ion) battery anode that incorporates iron oxide, ...

Conventional lithium-ion batteries contain problematic substances such as nickel and cobalt, and the solvents used to coat ...

Mateo Jaramillo sees the future of renewable energy in thousands of iron pellets rusting away in a laboratory in Somerville, Massachusetts. Jaramillo is chief executive of Form Energy, a company that ...

Lithium-ion batteries power everything from smartphones to electric cars, but they rely on materials that raise environmental and ethical concerns. Metals like nickel and cobalt are costly to mine, ...